更新版本

Merge pull request #16 from harris2012/patch-2
fix typo
2026-02-17 22:08:25 +08:00 · 2022-07-30 08:21:43 +08:00 · 2022-07-29 21:59:53 +08:00 · 2022-07-29 21:57:05 +08:00 · 2022-07-29 17:55:20 +08:00 · 2022-07-29 11:29:25 +08:00
699 changed files with 12208 additions and 78818 deletions
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,3 @@
 node_modules
 .DS_Store
-dist_electron
+package-lock.json
--- a/21
+++ b/21
@@ -1,21 +0,0 @@
-The MIT License (MIT)
-
-Copyright (c) 2021-2023 The MindMap Team
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.
--- a/README.md
+++ b/README.md
--- a/docs/assets/1.gif
+++ b/docs/assets/1.gif
--- a/docs/assets/2.gif
+++ b/docs/assets/2.gif
--- a/docs/assets/2021-07-21-19-54-48.gif
+++ b/docs/assets/2021-07-21-19-54-48.gif
--- a/docs/assets/3.gif
+++ b/docs/assets/3.gif
--- a/docs/assets/image-20210717174716810.png
+++ b/docs/assets/image-20210717174716810.png
--- a/docs/assets/image-20210717202607786.png
+++ b/docs/assets/image-20210717202607786.png
--- a/docs/assets/image-20210717210355763.png
+++ b/docs/assets/image-20210717210355763.png
--- a/docs/assets/image-20210717224527681.png
+++ b/docs/assets/image-20210717224527681.png
--- a/docs/assets/image-20210717230604086.png
+++ b/docs/assets/image-20210717230604086.png
--- a/docs/assets/image-20210717230805200.png
+++ b/docs/assets/image-20210717230805200.png
--- a/docs/assets/image-20210717230808662.png
+++ b/docs/assets/image-20210717230808662.png
--- a/docs/assets/image-20210718083006111.png
+++ b/docs/assets/image-20210718083006111.png
--- a/docs/assets/image-20210718083616076.png
+++ b/docs/assets/image-20210718083616076.png
--- a/docs/assets/image-20210718092817830.png
+++ b/docs/assets/image-20210718092817830.png
--- a/docs/assets/image-20210718102434530.png
+++ b/docs/assets/image-20210718102434530.png
--- a/docs/assets/image-20210718110652705.png
+++ b/docs/assets/image-20210718110652705.png
--- a/docs/assets/image-20210718111334085.png
+++ b/docs/assets/image-20210718111334085.png
--- a/docs/assets/image-20210718134525691.png
+++ b/docs/assets/image-20210718134525691.png
--- a/docs/assets/image-20210718184835414.png
+++ b/docs/assets/image-20210718184835414.png
--- a/docs/assets/image-20210718191124627.png
+++ b/docs/assets/image-20210718191124627.png
--- a/docs/assets/image-20210718221814590.png
+++ b/docs/assets/image-20210718221814590.png
--- a/docs/assets/image-20210718222150055.png
+++ b/docs/assets/image-20210718222150055.png
--- a/docs/assets/image-20210718222612078.png
+++ b/docs/assets/image-20210718222612078.png
--- a/docs/assets/image-20210720191943989.png
+++ b/docs/assets/image-20210720191943989.png
--- a/docs/assets/image-20210720192008277.png
+++ b/docs/assets/image-20210720192008277.png
--- a/docs/assets/image-20210720200816281.png
+++ b/docs/assets/image-20210720200816281.png
--- a/docs/assets/image-20210721183307656.png
+++ b/docs/assets/image-20210721183307656.png
--- a/docs/assets/image-20210721183340310.png
+++ b/docs/assets/image-20210721183340310.png
--- a/docs/assets/image-20210721183823754.png
+++ b/docs/assets/image-20210721183823754.png
--- a/docs/assets/image-20210721184140488.png
+++ b/docs/assets/image-20210721184140488.png
--- a/docs/assets/image-20210721185453825.png
+++ b/docs/assets/image-20210721185453825.png
--- a/docs/assets/image-20210721190700979.png
+++ b/docs/assets/image-20210721190700979.png
--- a/docs/assets/swdt.jpg
+++ b/docs/assets/swdt.jpg
--- a/docs/web思维导图实现的技术点分析.md
+++ b/docs/web思维导图实现的技术点分析.md
--- a/index.html
+++ b/index.html
@@ -1,69 +1 @@
-<!DOCTYPE html><html lang=""><head><meta charset="utf-8"><meta http-equiv="X-UA-Compatible" content="IE=edge"><meta name="viewport" content="width=device-width,user-scalable=no,initial-scale=1,maximum-scale=1,minimum-scale=1"><link rel="icon" href="dist/logo.ico"><title>思绪思维导图</title><script>// 自定义静态资源的路径
-      window.externalPublicPath = './dist/'
-      // 接管应用
-      window.takeOverApp = false</script><link href="dist/css/chunk-vendors.css?e577492ccbbe7e7070c3" rel="stylesheet"><link href="dist/css/app.css?e577492ccbbe7e7070c3" rel="stylesheet"></head><body><noscript><strong>We're sorry but thoughts doesn't work properly without JavaScript enabled. Please enable it to continue.</strong></noscript><div id="app"></div><script>const getDataFromBackend = () => {
-        return new Promise((resolve, reject) => {
-          setTimeout(() => {
-            resolve({
-              mindMapData: {
-                root:{
-                  "data": {
-                      "text": "根节点"
-                  },
-                  "children": []
-                },
-                theme:{
-                  "template":"avocado",
-                  "config":{}
-                },
-                layout:"logicalStructure",
-                config: {},
-                view: null,
-              },
-              lang: 'zh',
-              localConfig: null
-            })
-          }, 200)
-        })
-      }
-      const setTakeOverAppMethods = (data) => {
-        window.takeOverAppMethods = {}
-        // 获取思维导图数据的函数
-        window.takeOverAppMethods.getMindMapData = () => {
-          return data.mindMapData
-        } 
-        // 保存思维导图数据的函数
-        window.takeOverAppMethods.saveMindMapData = (data) => {
-          console.log(data)
-        }
-        // 获取语言的函数
-        window.takeOverAppMethods.getLanguage = () => {
-          return data.lang
-        }
-        // 保存语言的函数
-        window.takeOverAppMethods.saveLanguage = (lang) => {
-          console.log(lang)
-        }
-        // 获取本地配置的函数
-        window.takeOverAppMethods.getLocalConfig = () => {
-          return data.localConfig
-        }
-        // 保存本地配置的函数
-        window.takeOverAppMethods.saveLocalConfig = (config) => {
-          console.log(config)
-        }
-      }
-      window.onload = async () => {
-        if (!window.takeOverApp) return
-        // 请求数据
-        const data = await getDataFromBackend()
-        // 设置全局的方法
-        setTakeOverAppMethods(data)
-        // 思维导图实例创建完成事件
-        window.$bus.$on('app_inited', (mindMap) => {
-          console.log(mindMap)
-        })
-        // 可以通过window.$bus.$on()来监听应用的一些事件
-        // 实例化页面
-        window.initApp()
-      }</script><script src="dist/js/chunk-vendors.js?e577492ccbbe7e7070c3"></script><script src="dist/js/app.js?e577492ccbbe7e7070c3"></script></body></html>
+<!DOCTYPE html><html lang=""><head><meta charset="utf-8"><meta http-equiv="X-UA-Compatible" content="IE=edge"><meta name="viewport" content="width=device-width,initial-scale=1"><title>一个简单的web思维导图实现</title><link href="dist/css/app.b793e592.css" rel="preload" as="style"><link href="dist/css/chunk-vendors.6fd71983.css" rel="preload" as="style"><link href="dist/js/app.c4887e17.js" rel="preload" as="script"><link href="dist/js/chunk-vendors.384d822e.js" rel="preload" as="script"><link href="dist/css/chunk-vendors.6fd71983.css" rel="stylesheet"><link href="dist/css/app.b793e592.css" rel="stylesheet"></head><body><noscript><strong>We're sorry but thoughts doesn't work properly without JavaScript enabled. Please enable it to continue.</strong></noscript><div id="app"></div><script src="dist/js/chunk-vendors.384d822e.js"></script><script src="dist/js/app.c4887e17.js"></script></body></html>
--- a/qrcode.jpg
+++ b/qrcode.jpg
--- a/simple-mind-map/.eslintrc.js
+++ b/simple-mind-map/.eslintrc.js
@@ -1,17 +0,0 @@
-module.exports = {
-    "env": {
-        "browser": true,
-        "es2021": true
-    },
-    "extends": "eslint:recommended",
-    "overrides": [
-    ],
-    "parserOptions": {
-        "parser": 'babel-eslint',
-        "ecmaVersion": 12,
-        "sourceType": "module",
-        "allowImportExportEverywhere": true
-    },
-    "rules": {
-    }
-}
--- a/simple-mind-map/.prettierignore
+++ b/simple-mind-map/.prettierignore
@@ -1,10 +0,0 @@
-src/assets
-*/.DS_Store
-dist
-example
-node_modules
-*.json
-*.md
-.eslintrc.js
-.prettierignore
-.prettierrc
--- a/simple-mind-map/.prettierrc
+++ b/simple-mind-map/.prettierrc
@@ -1,5 +0,0 @@
-semi: false
-singleQuote: true
-printWidth: 80
-trailingComma: 'none'
-arrowParens: 'avoid'
--- a/simple-mind-map/example/exampleData.js
+++ b/simple-mind-map/example/exampleData.js
@@ -10,10 +10,7 @@ const createFullData = () => {
        "tag": ["标签1", "标签2"],
        "hyperlink": "http://lxqnsys.com/",
        "hyperlinkTitle": "理想青年实验室",
-        "note": "理想青年实验室\n一个有意思的角落",
-        // 自定义位置
-        // "customLeft": 1318,
-        // "customTop": 374.5
+        "note": "理想青年实验室\n一个有意思的角落"
    };
 }

@@ -35,110 +32,110 @@ const data1 = {
                },
                "children": [{
                    "data": {
-                        "text": "分支主题",
+                        "text": "子节点",
                        ...createFullData()
                    },
                    "children": [{
                        "data": {
-                            "text": "分支主题",
+                            "text": "子节点",
                        },
                    }, {
                        "data": {
-                            "text": "分支主题",
+                            "text": "子节点",
                        },
                        "children": [{
                            "data": {
-                                "text": "分支主题",
+                                "text": "子节点",
                                ...createFullData()
                            },
                        }, {
                            "data": {
-                                "text": "分支主题",
+                                "text": "子节点",
                            },
                        }, {
                            "data": {
-                                "text": "分支主题",
+                                "text": "子节点",
                            },
                            "children": [{
                                "data": {
-                                    "text": "分支主题",
+                                    "text": "子节点",
                                },
                            }, {
                                "data": {
-                                    "text": "分支主题",
+                                    "text": "子节点",
                                },
                                "children": [{
                                    "data": {
-                                        "text": "分支主题",
+                                        "text": "子节点",
                                    },
                                }, {
                                    "data": {
-                                        "text": "分支主题",
+                                        "text": "子节点",
                                    },
                                    "children": [{
                                        "data": {
-                                            "text": "分支主题",
+                                            "text": "子节点",
                                        },
                                    }, {
                                        "data": {
-                                            "text": "分支主题",
+                                            "text": "子节点",
                                        },
                                        "children": [{
                                            "data": {
-                                                "text": "分支主题",
+                                                "text": "子节点",
                                            },
                                        }, {
                                            "data": {
-                                                "text": "分支主题",
+                                                "text": "子节点",
                                            },
                                        }, {
                                            "data": {
-                                                "text": "分支主题",
+                                                "text": "子节点",
                                            },
                                        }, {
                                            "data": {
-                                                "text": "分支主题",
+                                                "text": "子节点",
                                            },
                                        }]
                                    }, {
                                        "data": {
-                                            "text": "分支主题",
+                                            "text": "子节点",
                                        },
                                    }, {
                                        "data": {
-                                            "text": "分支主题",
+                                            "text": "子节点",
                                        },
                                    }]
                                }, {
                                    "data": {
-                                        "text": "分支主题",
+                                        "text": "子节点",
                                    },
                                }, {
                                    "data": {
-                                        "text": "分支主题",
+                                        "text": "子节点",
                                    },
                                }]
                            }, {
                                "data": {
-                                    "text": "分支主题",
+                                    "text": "子节点",
                                },
                            }, {
                                "data": {
-                                    "text": "分支主题",
+                                    "text": "子节点",
                                },
                            }]
                        }, {
                            "data": {
-                                "text": "分支主题",
+                                "text": "子节点",
                            },
                        }]
                    }, {
                        "data": {
-                            "text": "分支主题",
+                            "text": "子节点",
                        },
                    }, {
                        "data": {
-                            "text": "分支主题",
+                            "text": "子节点",
                        },
                    }]
                }]
@@ -150,36 +147,36 @@ const data1 = {
                },
                "children": [{
                    "data": {
-                        "text": "分支主题",
+                        "text": "子节点",
                    },
                }, {
                    "data": {
-                        "text": "分支主题",
+                        "text": "子节点",
                    },
                    "children": [{
                        "data": {
-                            "text": "分支主题",
+                            "text": "子节点",
                        },
                    }, {
                        "data": {
-                            "text": "分支主题",
+                            "text": "子节点",
                        },
                    }, {
                        "data": {
-                            "text": "分支主题",
+                            "text": "子节点",
                        },
                    }, {
                        "data": {
-                            "text": "分支主题",
+                            "text": "子节点",
                        },
                    }]
                }, {
                    "data": {
-                        "text": "分支主题",
+                        "text": "子节点",
                    },
                }, {
                    "data": {
-                        "text": "分支主题",
+                        "text": "子节点",
                    },
                }]
            },
@@ -190,40 +187,40 @@ const data1 = {
                },
                "children": [{
                    "data": {
-                        "text": "分支主题",
+                        "text": "子节点",
                    },
                    "children": [{
                        "data": {
-                            "text": "分支主题",
+                            "text": "子节点",
                        },
                    }, {
                        "data": {
-                            "text": "分支主题",
+                            "text": "子节点",
                        },
                        "children": [{
                            "data": {
-                                "text": "分支主题",
+                                "text": "子节点",
                            },
                        }, {
                            "data": {
-                                "text": "分支主题",
+                                "text": "子节点",
                            },
                        }, {
                            "data": {
-                                "text": "分支主题",
+                                "text": "子节点",
                            },
                        }, {
                            "data": {
-                                "text": "分支主题",
+                                "text": "子节点",
                            },
                        }]
                    }, {
                        "data": {
-                            "text": "分支主题",
+                            "text": "子节点",
                        },
                    }, {
                        "data": {
-                            "text": "分支主题",
+                            "text": "子节点",
                        },
                    }]
                }]
@@ -235,225 +232,225 @@ const data1 = {
                },
                "children": [{
                    "data": {
-                        "text": "分支主题",
+                        "text": "子节点",
                    },
                    "children": [{
                        "data": {
-                            "text": "分支主题",
+                            "text": "子节点",
                        },
                        "children": [{
                            "data": {
-                                "text": "分支主题",
+                                "text": "子节点",
                            },
                            "children": [{
                                "data": {
-                                    "text": "分支主题",
+                                    "text": "子节点",
                                },
                            }, {
                                "data": {
-                                    "text": "分支主题",
+                                    "text": "子节点",
                                },
                            }, {
                                "data": {
-                                    "text": "分支主题",
+                                    "text": "子节点",
                                },
                            }, {
                                "data": {
-                                    "text": "分支主题",
+                                    "text": "子节点",
                                },
                            }]
                        }, {
                            "data": {
-                                "text": "分支主题",
+                                "text": "子节点",
                            },
                        }, {
                            "data": {
-                                "text": "分支主题",
+                                "text": "子节点",
                            },
                        }, {
                            "data": {
-                                "text": "分支主题",
+                                "text": "子节点",
                            },
                        }]
                    }, {
                        "data": {
-                            "text": "分支主题",
+                            "text": "子节点",
                        },
                    }, {
                        "data": {
-                            "text": "分支主题",
+                            "text": "子节点",
                        },
                        "children": [{
                            "data": {
-                                "text": "分支主题",
+                                "text": "子节点",
                            },
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                            "data": {
-                                "text": "分支主题",
+                                "text": "子节点",
                            },
                        }, {
                            "data": {
-                                "text": "分支主题",
+                                "text": "子节点",
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                            "data": {
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-                                        "text": "分支主题",
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+                                        "text": "子节点",
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                                    "data": {
-                                        "text": "分支主题",
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-                                        "text": "分支主题",
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                                "data": {
-                                    "text": "分支主题",
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-                                        "text": "分支主题",
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                        "data": {
-                            "text": "分支主题",
+                            "text": "子节点",
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                            "data": {
-                                "text": "分支主题",
+                                "text": "子节点",
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                            "data": {
-                                "text": "分支主题",
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                                },
                            }, {
                                "data": {
-                                    "text": "分支主题",
+                                    "text": "子节点",
                                },
                            }, {
                                "data": {
-                                    "text": "分支主题",
+                                    "text": "子节点",
                                },
                            }, {
                                "data": {
-                                    "text": "分支主题",
+                                    "text": "子节点",
                                },
                            }]
                        }, {
                            "data": {
-                                "text": "分支主题",
+                                "text": "子节点",
                            },
                            "children": [{
                                "data": {
-                                    "text": "分支主题",
+                                    "text": "子节点",
                                },
                            }, {
                                "data": {
-                                    "text": "分支主题",
+                                    "text": "子节点",
                                },
                            }, {
                                "data": {
-                                    "text": "分支主题",
+                                    "text": "子节点",
                                },
                            }, {
                                "data": {
-                                    "text": "分支主题",
+                                    "text": "子节点",
                                },
                            }]
                        }]
@@ -770,13 +767,13 @@ const data3 = {
                "children": [
                    {
                        "data": {
-                            "text": "分支主题"
+                            "text": "子节点"
                        },
                        "children": []
                    },
                    {
                        "data": {
-                            "text": "分支主题"
+                            "text": "子节点"
                        },
                        "children": []
                    }
@@ -867,50 +864,6 @@ const data4 = {
    }
 }

-// 带概要
-const data5 = {
-    "root": {
-        "data": {
-            "text": "根节点"
-        },
-        "children": [
-            {
-                "data": {
-                    "text": "二级节点",
-                    "generalization": {
-                        "text": "概要",
-                    }
-                },
-                "children": [
-                    {
-                        "data": {
-                            "text": "分支主题"
-                        },
-                        "children": []
-                    },
-                    {
-                        "data": {
-                            "text": "分支主题"
-                        },
-                        "children": []
-                    }
-                ]
-            },
-        ]
-    }
-}
-
-// 富文本数据v0.4.0+，需要使用RichText插件才支持富文本编辑
-const richTextData = {
-    "root": {
-        "data": {
-            "text": "<a href='http://lxqnsys.com/' target='_blank'>理想去年实验室</a>",
-            "richText": true
-        },
-        "children": []
-    }
-}
-
 const rootData = {
    "root": {
        "data": {
@@ -923,12 +876,11 @@ const rootData = {
 export default {
    // ...data1,
    // ...data2,
-    // ...data3,
+    ...data3,
    // ...data4,
-    ...data5,
    // ...rootData,
    "theme": {
-        "template": "classic4",
+        "template": "minions",
        "config": {
            // 自定义配置...
        }
@@ -936,6 +888,5 @@ export default {
    "layout": "logicalStructure",
    // "layout": "mindMap",
    // "layout": "catalogOrganization"
-    // "layout": "organizationStructure",
-    "config": {}
+    // "layout": "organizationStructure"
 }
--- a/simple-mind-map/example/exportFullData.json
+++ b/simple-mind-map/example/exportFullData.json
@@ -1,73 +0,0 @@
-{
-    "layout": "logicalStructure",
-    "root": {
-        "data": {
-            "text": "根节点",
-            "expand": true,
-            "isActive": false
-        },
-        "children": [{
-            "data": {
-                "text": "二级节点",
-                "generalization": {
-                    "text": "概要",
-                    "expand": true,
-                    "isActive": false
-                },
-                "expand": true,
-                "isActive": false
-            },
-            "children": [{
-                "data": {
-                    "text": "分支主题",
-                    "expand": true,
-                    "isActive": false
-                },
-                "children": []
-            }, {
-                "data": {
-                    "text": "分支主题",
-                    "expand": true,
-                    "isActive": false
-                },
-                "children": []
-            }, {
-                "data": {
-                    "text": "<a href='http://lxqnsys.com/' target='_blank'>理想去年实验室</a>",
-                    "richText": true
-                },
-                "children": []
-            }]
-        }]
-    },
-    "theme": {
-        "template": "classic4",
-        "config": {}
-    },
-    "view": {
-        "transform": {
-            "scaleX": 1,
-            "scaleY": 1,
-            "shear": 0,
-            "rotate": 0,
-            "translateX": 0,
-            "translateY": 0,
-            "originX": 0,
-            "originY": 0,
-            "a": 1,
-            "b": 0,
-            "c": 0,
-            "d": 1,
-            "e": 0,
-            "f": 0
-        },
-        "state": {
-            "scale": 1,
-            "x": 0,
-            "y": 0,
-            "sx": 0,
-            "sy": 0
-        }
-    },
-    "config": {}
-}
--- a/simple-mind-map/full.js
+++ b/simple-mind-map/full.js
@@ -1,42 +0,0 @@
-import MindMap from './index'
-import MiniMap from './src/plugins/MiniMap.js'
-import Watermark from './src/plugins/Watermark.js'
-import KeyboardNavigation from './src/plugins/KeyboardNavigation.js'
-import ExportPDF from './src/plugins/ExportPDF.js'
-import Export from './src/plugins/Export.js'
-import Drag from './src/plugins/Drag.js'
-import Select from './src/plugins/Select.js'
-import AssociativeLine from './src/plugins/AssociativeLine'
-import RichText from './src/plugins/RichText'
-import NodeImgAdjust from './src/plugins/NodeImgAdjust.js'
-import TouchEvent from './src/plugins/TouchEvent.js'
-import Search from './src/plugins/Search.js'
-import xmind from './src/parse/xmind.js'
-import markdown from './src/parse/markdown.js'
-import icons from './src/svg/icons.js'
-import * as constants from './src/constants/constant.js'
-import themes from './src/themes/index.js'
-import * as defaultTheme from './src/themes/default.js'
-
-MindMap.xmind = xmind
-MindMap.markdown = markdown
-MindMap.iconList = icons.nodeIconList
-MindMap.constants = constants
-MindMap.themes = themes
-MindMap.defaultTheme = defaultTheme
-
-MindMap
-  .usePlugin(MiniMap)
-  .usePlugin(Watermark)
-  .usePlugin(Drag)
-  .usePlugin(KeyboardNavigation)
-  .usePlugin(ExportPDF)
-  .usePlugin(Export)
-  .usePlugin(Select)
-  .usePlugin(AssociativeLine)
-  .usePlugin(RichText)
-  .usePlugin(TouchEvent)
-  .usePlugin(NodeImgAdjust)
-  .usePlugin(Search)
-
-export default MindMap
--- a/simple-mind-map/index.js
+++ b/simple-mind-map/index.js
@@ -1,424 +1,372 @@
-import View from './src/core/view/View'
-import Event from './src/core/event/Event'
-import Render from './src/core/render/Render'
+import View from './src/View'
+import Event from './src/Event'
+import Render from './src/Render'
 import merge from 'deepmerge'
 import theme from './src/themes'
-import Style from './src/core/render/node/Style'
-import KeyCommand from './src/core/command/KeyCommand'
-import Command from './src/core/command/Command'
-import BatchExecution from './src/utils/BatchExecution'
-import { layoutValueList, CONSTANTS, commonCaches } from './src/constants/constant'
-import { SVG } from '@svgdotjs/svg.js'
-import { simpleDeepClone, getType } from './src/utils'
-import defaultTheme, { checkIsNodeSizeIndependenceConfig } from './src/themes/default'
-import { defaultOpt } from './src/constants/defaultOptions'
+import Style from './src/Style'
+import KeyCommand from './src/KeyCommand'
+import Command from './src/Command'
+import BatchExecution from './src/BatchExecution'
+import Export from './src/Export'
+import Select from './src/Select'
+import Drag from './src/Drag'
+import {
+    layoutValueList
+} from './src/utils/constant'
+import {
+    SVG
+} from '@svgdotjs/svg.js'

-//  思维导图
-class MindMap {
-  //  构造函数
-  constructor(opt = {}) {
-    // 合并选项
-    this.opt = this.handleOpt(merge(defaultOpt, opt))
-
-    // 容器元素
-    this.el = this.opt.el
-    this.elRect = this.el.getBoundingClientRect()
-
-    // 画布宽高
-    this.width = this.elRect.width
-    this.height = this.elRect.height
-
-    // 画布
-    this.svg = SVG().addTo(this.el).size(this.width, this.height)
-    this.draw = this.svg.group()
-
-    // 初始化主题
-    this.initTheme()
-
-    // 初始化缓存数据
-    this.initCache()
-
-    // 事件类
-    this.event = new Event({
-      mindMap: this
-    })
-
-    // 按键类
-    this.keyCommand = new KeyCommand({
-      mindMap: this
-    })
-
-    // 命令类
-    this.command = new Command({
-      mindMap: this
-    })
-
-    // 渲染类
-    this.renderer = new Render({
-      mindMap: this
-    })
-
-    // 视图操作类
-    this.view = new View({
-      mindMap: this,
-      draw: this.draw
-    })
-
-    // 批量执行类
-    this.batchExecution = new BatchExecution()
-
-    // 注册插件
-    MindMap.pluginList.forEach((plugin) => {
-      this.initPlugin(plugin)
-    })
-
-    // 初始渲染
-    this.render()
-    setTimeout(() => {
-      this.command.addHistory()
-    }, 0)
-  }
-
-  //  配置参数处理
-  handleOpt(opt) {
-    // 深拷贝一份节点数据
-    opt.data = simpleDeepClone(opt.data || {})
-    // 检查布局配置
-    if (!layoutValueList.includes(opt.layout)) {
-      opt.layout = CONSTANTS.LAYOUT.LOGICAL_STRUCTURE
-    }
-    // 检查主题配置
-    opt.theme = opt.theme && theme[opt.theme] ? opt.theme : 'default'
-    return opt
-  }
-
-  //  渲染，部分渲染
-  render(callback, source = '') {
-    this.batchExecution.push('render', () => {
-      this.initTheme()
-      this.renderer.reRender = false
-      this.renderer.render(callback, source)
-    })
-  }
-
-  //  重新渲染
-  reRender(callback, source = '') {
-    this.batchExecution.push('render', () => {
-      this.draw.clear()
-      this.initTheme()
-      this.renderer.reRender = true
-      this.renderer.render(callback, source)
-    })
-  }
-
-  //  容器尺寸变化，调整尺寸
-  resize() {
-    this.elRect = this.el.getBoundingClientRect()
-    this.width = this.elRect.width
-    this.height = this.elRect.height
-    this.svg.size(this.width, this.height)
-  }
-
-  //  监听事件
-  on(event, fn) {
-    this.event.on(event, fn)
-  }
-
-  //  触发事件
-  emit(event, ...args) {
-    this.event.emit(event, ...args)
-  }
-
-  //  解绑事件
-  off(event, fn) {
-    this.event.off(event, fn)
-  }
-
-  // 初始化缓存数据
-  initCache() {
-    Object.keys(commonCaches).forEach((key) => {
-      let type = getType(commonCaches[key])
-      let value = ''
-      switch(type) {
-        case 'Boolean':
-          value = false
-          break
-        default:
-          value = null
-          break
-      }
-      commonCaches[key] = value
-    })
-  }
-
-  //  设置主题
-  initTheme() {
-    // 合并主题配置
-    this.themeConfig = merge(theme[this.opt.theme], this.opt.themeConfig)
-    // 设置背景样式
-    Style.setBackgroundStyle(this.el, this.themeConfig)
-  }
-
-  //  设置主题
-  setTheme(theme) {
-    this.renderer.clearAllActive()
-    this.opt.theme = theme
-    this.render(null, CONSTANTS.CHANGE_THEME)
-  }
-
-  //  获取当前主题
-  getTheme() {
-    return this.opt.theme
-  }
-
-  //  设置主题配置
-  setThemeConfig(config) {
-    this.opt.themeConfig = config
-    // 检查改变的是否是节点大小无关的主题属性
-    let res = checkIsNodeSizeIndependenceConfig(config)
-    this.render(null, res ? '' : CONSTANTS.CHANGE_THEME)
-  }
-
-  //  获取自定义主题配置
-  getCustomThemeConfig() {
-    return this.opt.themeConfig
-  }
-
-  //  获取某个主题配置值
-  getThemeConfig(prop) {
-    return prop === undefined ? this.themeConfig : this.themeConfig[prop]
-  }
-
-  // 获取配置
-  getConfig(prop) {
-    return prop === undefined ? this.opt : this.opt[prop]
-  }
-
-  // 更新配置
-  updateConfig(opt = {}) {
-    this.opt = this.handleOpt(merge.all([defaultOpt, this.opt, opt]))
-  }
-
-  //  获取当前布局结构
-  getLayout() {
-    return this.opt.layout
-  }
-
-  //  设置布局结构
-  setLayout(layout) {
-    // 检查布局配置
-    if (!layoutValueList.includes(layout)) {
-      layout = CONSTANTS.LAYOUT.LOGICAL_STRUCTURE
-    }
-    this.opt.layout = layout
-    this.view.reset()
-    this.renderer.setLayout()
-    this.render(null, CONSTANTS.CHANGE_LAYOUT)
-  }
-
-  //  执行命令
-  execCommand(...args) {
-    this.command.exec(...args)
-  }
-
-  //  动态设置思维导图数据，纯节点数据
-  setData(data) {
-    this.execCommand('CLEAR_ACTIVE_NODE')
-    this.command.clearHistory()
-    this.command.addHistory()
-    if (this.richText) {
-      this.renderer.renderTree = this.richText.handleSetData(data)
-    } else {
-      this.renderer.renderTree = data
-    }
-    this.reRender(() => {}, CONSTANTS.SET_DATA)
-  }
-
-  //  动态设置思维导图数据，包括节点数据、布局、主题、视图
-  setFullData(data) {
-    if (data.root) {
-      this.setData(data.root)
-    }
-    if (data.layout) {
-      this.setLayout(data.layout)
-    }
-    if (data.theme) {
-      if (data.theme.template) {
-        this.setTheme(data.theme.template)
-      }
-      if (data.theme.config) {
-        this.setThemeConfig(data.theme.config)
-      }
-    }
-    if (data.view) {
-      this.view.setTransformData(data.view)
-    }
-  }
-
-  //  获取思维导图数据，节点树、主题、布局等
-  getData(withConfig) {
-    let nodeData = this.command.getCopyData()
-    let data = {}
-    if (withConfig) {
-      data = {
-        layout: this.getLayout(),
-        root: nodeData,
-        theme: {
-          template: this.getTheme(),
-          config: this.getCustomThemeConfig()
-        },
-        view: this.view.getTransformData()
-      }
-    } else {
-      data = nodeData
-    }
-    return simpleDeepClone(data)
-  }
-
-  //  导出
-  async export(...args) {
-    let result = await this.doExport.export(...args)
-    return result
-  }
-
-  //  转换位置
-  toPos(x, y) {
-    return {
-      x: x - this.elRect.left,
-      y: y - this.elRect.top
-    }
-  }
-
-  //  设置只读模式、编辑模式
-  setMode(mode) {
-    if (![CONSTANTS.MODE.READONLY, CONSTANTS.MODE.EDIT].includes(mode)) {
-      return
-    }
-    this.opt.readonly = mode === CONSTANTS.MODE.READONLY
-    if (this.opt.readonly) {
-      // 取消当前激活的元素
-      this.renderer.clearAllActive()
-    }
-    this.emit('mode_change', mode)
-  }
-
-  // 获取svg数据
-  getSvgData({ paddingX = 0, paddingY = 0 } = {}) {
-    const svg = this.svg
-    const draw = this.draw
-    // 保存原始信息
-    const origWidth = svg.width()
-    const origHeight = svg.height()
-    const origTransform = draw.transform()
-    const elRect = this.el.getBoundingClientRect()
-    // 去除放大缩小的变换效果
-    draw.scale(1 / origTransform.scaleX, 1 / origTransform.scaleY)
-    // 获取变换后的位置尺寸信息，其实是getBoundingClientRect方法的包装方法
-    const rect = draw.rbox()
-    // 内边距
-    rect.width += paddingX
-    rect.height += paddingY
-    draw.translate(paddingX / 2, paddingY / 2)
-    // 将svg设置为实际内容的宽高
-    svg.size(rect.width, rect.height)
-    // 把实际内容变换
-    draw.translate(-rect.x + elRect.left, -rect.y + elRect.top)
-    // 克隆一份数据
-    let clone = svg.clone()
-    // 如果实际图形宽高超出了屏幕宽高，且存在水印的话需要重新绘制水印，否则会出现超出部分没有水印的问题
-    if ((rect.width > origWidth || rect.height >  origHeight) && this.watermark && this.watermark.hasWatermark()) {
-      this.width = rect.width
-      this.height = rect.height
-      this.watermark.draw()
-      clone = svg.clone()
-      this.width = origWidth
-      this.height = origHeight
-      this.watermark.draw()
-    }
-    // 恢复原先的大小和变换信息
-    svg.size(origWidth, origHeight)
-    draw.transform(origTransform)
-
-    return {
-      svg: clone, // 思维导图图形的整体svg元素，包括：svg（画布容器）、g（实际的思维导图组）
-      svgHTML: clone.svg(), // svg字符串
-      rect: {
-        ...rect, // 思维导图图形未缩放时的位置尺寸等信息
-        ratio: rect.width / rect.height // 思维导图图形的宽高比
-      },
-      origWidth, // 画布宽度
-      origHeight, // 画布高度
-      scaleX: origTransform.scaleX, // 思维导图图形的水平缩放值
-      scaleY: origTransform.scaleY // 思维导图图形的垂直缩放值
-    }
-  }
-
-  // 添加插件
-  addPlugin(plugin, opt) {
-    let index = MindMap.hasPlugin(plugin)
-    if (index === -1) {
-      MindMap.usePlugin(plugin, opt)
-      this.initPlugin(plugin)
-    }
-  }
-
-  // 移除插件
-  removePlugin(plugin) {
-    let index = MindMap.hasPlugin(plugin)
-    if (index !== -1) {
-      MindMap.pluginList.splice(index, 1)
-      if (this[plugin.instanceName]) {
-        if (this[plugin.instanceName].beforePluginRemove) {
-          this[plugin.instanceName].beforePluginRemove()
+// 默认选项配置
+const defaultOpt = {
+    // 是否只读
+    readonly: false,
+    // 布局
+    layout: 'logicalStructure',
+    // 主题
+    theme: 'default', // 内置主题：default（默认主题）
+    // 主题配置，会和所选择的主题进行合并
+    themeConfig: {},
+    // 放大缩小的增量比例
+    scaleRatio: 0.1,
+    // 最多显示几个标签
+    maxTag: 5,
+    // 导出图片时的内边距
+    exportPadding: 20,
+    // 展开收缩按钮尺寸
+    expandBtnSize: 20,
+    // 节点里图片和文字的间距
+    imgTextMargin: 5,
+    // 节点里各种文字信息的间距，如图标和文字的间距
+    textContentMargin: 2,
+    // 多选节点时鼠标移动到边缘时的画布移动偏移量
+    selectTranslateStep: 3,
+    // 多选节点时鼠标移动距边缘多少距离时开始偏移
+    selectTranslateLimit: 20,
+    // 自定义节点备注内容显示
+    customNoteContentShow: null
+    /*
+        {
+            show(){},
+            hide(){}
        }
-        delete this[plugin.instanceName]
-      }
+    */
+}
+
+/** 
+ * javascript comment 
+ * @Author: 王林25 
+ * @Date: 2021-04-06 11:18:47 
+ * @Desc: 思维导图 
+ */
+class MindMap {
+    /** 
+     * javascript comment 
+     * @Author: 王林25 
+     * @Date: 2021-04-06 11:19:01 
+     * @Desc: 构造函数 
+     */
+    constructor(opt = {}) {
+        // 合并选项
+        this.opt = this.handleOpt(merge(defaultOpt, opt))
+
+        // 容器元素
+        this.el = this.opt.el
+        this.elRect = this.el.getBoundingClientRect()
+
+        // 画布宽高
+        this.width = this.elRect.width
+        this.height = this.elRect.height
+
+        // 画布
+        this.svg = SVG().addTo(this.el).size(this.width, this.height)
+        this.draw = this.svg.group()
+
+        // 节点id
+        this.uid = 0
+
+        // 初始化主题
+        this.initTheme()
+
+        // 事件类
+        this.event = new Event({
+            mindMap: this
+        })
+
+        // 按键类
+        this.keyCommand = new KeyCommand({
+            mindMap: this
+        })
+
+        // 命令类
+        this.command = new Command({
+            mindMap: this
+        })
+
+        // 渲染类
+        this.renderer = new Render({
+            mindMap: this
+        })
+
+        // 视图操作类
+        this.view = new View({
+            mindMap: this,
+            draw: this.draw
+        })
+
+        // 导出类
+        this.doExport = new Export({
+            mindMap: this
+        })
+
+        // 选择类
+        this.select = new Select({
+            mindMap: this
+        })
+
+        // 拖动类
+        this.drag = new Drag({
+            mindMap: this
+        })
+
+        // 批量执行类
+        this.batchExecution = new BatchExecution()
+
+        // 初始渲染
+        this.reRender()
+        setTimeout(() => {
+            this.command.addHistory()
+        }, 0)
    }
-  }

-  // 实例化插件
-  initPlugin(plugin) {
-    this[plugin.instanceName] = new plugin({
-      mindMap: this,
-      pluginOpt: plugin.pluginOpt
-    })
-  }
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-07-01 22:15:22 
+     * @Desc: 配置参数处理 
+     */
+    handleOpt(opt) {
+        // 检查布局配置
+        if (!layoutValueList.includes(opt.layout)) {
+            opt.layout = 'logicalStructure'
+        }
+        // 检查主题配置
+        opt.theme = opt.theme && theme[opt.theme] ? opt.theme : 'default'
+        return opt
+    }

-  // 销毁
-  destroy() {
-    // 移除插件
-    [...MindMap.pluginList].forEach((plugin) => {
-      this[plugin.instanceName] = null
-    })
-    // 解绑事件
-    this.event.unbind()
-    // 移除画布节点
-    this.svg.remove()
-    // 去除给容器元素设置的背景样式
-    Style.removeBackgroundStyle(this.el)
-    this.el = null
-  }
+    /** 
+     * javascript comment 
+     * @Author: 王林25 
+     * @Date: 2021-04-06 18:47:29 
+     * @Desc: 渲染，部分渲染
+     */
+    render() {
+        this.batchExecution.push('render', () => {
+            this.initTheme()
+            this.renderer.reRender = false
+            this.renderer.render()
+        })
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-07-08 22:05:11 
+     * @Desc: 重新渲染 
+     */
+    reRender() {
+        this.batchExecution.push('render', () => {
+            this.draw.clear()
+            this.initTheme()
+            this.renderer.reRender = true
+            this.renderer.render()
+        })
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-07-11 21:16:52 
+     * @Desc: 容器尺寸变化，调整尺寸 
+     */
+    resize() {
+        this.elRect = this.el.getBoundingClientRect()
+        this.width = this.elRect.width
+        this.height = this.elRect.height
+        this.svg.size(this.width, this.height)
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-04-24 13:25:50 
+     * @Desc: 监听事件 
+     */
+    on(event, fn) {
+        this.event.on(event, fn)
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-04-24 13:51:35 
+     * @Desc: 触发事件 
+     */
+    emit(event, ...args) {
+        this.event.emit(event, ...args)
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-04-24 13:53:54 
+     * @Desc: 解绑事件 
+     */
+    off(event, fn) {
+        this.event.off(event, fn)
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-05-05 13:32:43 
+     * @Desc: 设置主题
+     */
+    initTheme() {
+        // 合并主题配置
+        this.themeConfig = merge(theme[this.opt.theme], this.opt.themeConfig)
+        // 设置背景样式
+        Style.setBackgroundStyle(this.el, this.themeConfig)
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-05-05 13:52:08 
+     * @Desc: 设置主题 
+     */
+    setTheme(theme) {
+        this.renderer.clearAllActive()
+        this.opt.theme = theme
+        this.reRender()
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-06-25 23:52:37 
+     * @Desc: 获取当前主题 
+     */
+    getTheme() {
+        return this.opt.theme
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-05-05 13:50:17 
+     * @Desc: 设置主题配置 
+     */
+    setThemeConfig(config) {
+        this.opt.themeConfig = config
+        this.reRender()
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-08-01 10:38:34 
+     * @Desc: 获取自定义主题配置 
+     */
+    getCustomThemeConfig() {
+        return this.opt.themeConfig
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-05-05 14:01:29 
+     * @Desc: 获取某个主题配置值 
+     */
+    getThemeConfig(prop) {
+        return prop === undefined ? this.themeConfig : this.themeConfig[prop]
+    }
+
+    /** 
+     * javascript comment 
+     * @Author: 王林25 
+     * @Date: 2021-07-13 16:17:06 
+     * @Desc: 获取当前布局结构 
+     */
+    getLayout() {
+        return this.opt.layout
+    }
+
+    /** 
+     * javascript comment 
+     * @Author: 王林25 
+     * @Date: 2021-07-13 16:17:33 
+     * @Desc: 设置布局结构 
+     */
+    setLayout(layout) {
+        // 检查布局配置
+        if (!layoutValueList.includes(layout)) {
+            layout = 'logicalStructure'
+        }
+        this.opt.layout = layout
+        this.renderer.setLayout()
+        this.render()
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-05-04 13:01:00 
+     * @Desc: 执行命令 
+     */
+    execCommand(...args) {
+        this.command.exec(...args)
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-08-03 22:58:12 
+     * @Desc: 动态设置思维导图数据 
+     */
+    setData(data) {
+        this.execCommand('CLEAR_ACTIVE_NODE')
+        this.command.clearHistory()
+        this.renderer.renderTree = data
+        this.reRender()
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-07-01 22:06:38 
+     * @Desc: 导出 
+     */
+    async export(...args) {
+        let result = await this.doExport.export(...args)
+        return result
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-07-11 09:20:03 
+     * @Desc: 转换位置 
+     */
+    toPos(x, y) {
+        return {
+            x: x - this.elRect.left,
+            y: y - this.elRect.top
+        }
+    }
+
+    /** 
+     * javascript comment 
+     * @Author: 王林25 
+     * @Date: 2022-06-08 14:12:38 
+     * @Desc: 设置只读模式、编辑模式 
+     */
+    setMode(mode) {
+        if (!['readonly', 'edit'].includes(mode)) {
+            return
+        }
+        this.opt.readonly = mode === 'readonly'
+        if (this.opt.readonly) {
+            // 取消当前激活的元素
+            this.renderer.clearAllActive()
+        }
+        this.emit('mode_change', mode)
+    }
 }

-// 插件列表
-MindMap.pluginList = []
-MindMap.usePlugin = (plugin, opt = {}) => {
-  plugin.pluginOpt = opt
-  MindMap.pluginList.push(plugin)
-  return MindMap
-}
-MindMap.hasPlugin = (plugin) => {
-  return MindMap.pluginList.findIndex((item) => {
-    return item === plugin
-  })
-}
-
-// 定义新主题
-MindMap.defineTheme = (name, config = {}) => {
-  if (theme[name]) {
-    return new Error('该主题名称已存在')
-  }
-  theme[name] = merge(defaultTheme, config)
-}
-
-export default MindMap
+export default MindMap
--- a/simple-mind-map/package-lock.json
+++ b/simple-mind-map/package-lock.json
--- a/simple-mind-map/package.json
+++ b/simple-mind-map/package.json
@@ -1,6 +1,6 @@
 {
  "name": "simple-mind-map",
-  "version": "0.6.11-fix.1",
+  "version": "0.1.8",
  "description": "一个简单的web在线思维导图",
  "authors": [
    {
@@ -17,23 +17,14 @@
    "type": "git",
    "url": "https://github.com/wanglin2/mind-map"
  },
-  "scripts": {
-    "lint": "eslint src/",
-    "format": "prettier --write ."
-  },
-  "module": "index.js",
-  "__main": "./dist/simpleMindMap.umd.min.js",
+  "scripts": {},
+  "main": "index.js",
+  "type": "module",
  "dependencies": {
    "@svgdotjs/svg.js": "^3.0.16",
+    "canvg": "^3.0.7",
    "deepmerge": "^1.5.2",
-    "eventemitter3": "^4.0.7",
-    "html2canvas": "^1.4.1",
-    "jspdf": "^2.5.1",
-    "jszip": "^3.10.1",
-    "mdast-util-from-markdown": "^1.3.0",
-    "quill": "^1.3.6",
-    "uuid": "^9.0.0",
-    "xml-js": "^1.6.11"
+    "eventemitter3": "^4.0.7"
  },
  "keywords": [
    "javascript",
@@ -41,9 +32,5 @@
    "mind-map",
    "mindMap",
    "MindMap"
-  ],
-  "devDependencies": {
-    "eslint": "^8.25.0",
-    "prettier": "^2.7.1"
-  }
+  ]
 }
--- a/simple-mind-map/scripts/walkJsFiles.js
+++ b/simple-mind-map/scripts/walkJsFiles.js
@@ -1,46 +0,0 @@
-// 遍历所有js文件
-const path = require('path')
-const fs = require('fs')
-
-const entryPath = path.resolve(__dirname, '../src')
-
-const transform = dir => {
-  let dirs = fs.readdirSync(dir)
-  dirs.forEach(item => {
-    let file = path.join(dir, item)
-    if (fs.statSync(file).isDirectory()) {
-      transform(file)
-    } else if (/\.js$/.test(file)) {
-      transformFile(file)
-    }
-  })
-}
-
-const transformFile = file => {
-  console.log(file);
-  let content = fs.readFileSync(file, 'utf-8')
-  countCodeLines(content)
-  // transformComments(file, content)
-}
-
-// 统计代码行数
-let totalLines = 0
-const countCodeLines = (content) => {
-  totalLines += content.split(/\n/).length
-}
-
-// 转换注释类型
-const transformComments = (file, content) => {
-  console.log('当前转换文件：', file)
-  content = content.replace(/\/\*\*[^/]+\*\//g, str => {
-    let res = /@Desc:([^\n]+)\n/g.exec(str)
-    if (res.length > 0) {
-      return '// ' + res[1]
-    }
-  })
-  fs.writeFileSync(file, content)
-}
-
-transform(entryPath)
-transformFile(path.join(__dirname, '../index.js'))
-console.log(totalLines);
--- a/simple-mind-map/src/BatchExecution.js
+++ b/simple-mind-map/src/BatchExecution.js
@@ -0,0 +1,85 @@
+/** 
+ * @Author: 王林 
+ * @Date: 2021-06-27 13:16:23 
+ * @Desc: 在下一个事件循环里执行任务 
+ */
+const nextTick = function (fn, ctx) {
+    let pending = false
+    let timerFunc = null
+    let handle = () => {
+        pending = false
+        ctx ? fn.call(ctx) : fn()
+    }
+    // 支持MutationObserver接口的话使用MutationObserver
+    if (typeof MutationObserver !== 'undefined') {
+        let counter = 1
+        let observer = new MutationObserver(handle)
+        let textNode = document.createTextNode(counter)
+        observer.observe(textNode, {
+            characterData: true// 设为 true 表示监视指定目标节点或子节点树中节点所包含的字符数据的变化
+        })
+        timerFunc = function () {
+            counter = (counter + 1) % 2// counter会在0和1两者循环变化
+            textNode.data = counter// 节点变化会触发回调handle，
+        }
+    } else {// 否则使用定时器
+        timerFunc = setTimeout
+    }
+    return function (cb, ctx) {
+        if (pending) return
+        pending = true
+        timerFunc(handle, 0)
+    }
+}
+
+
+/** 
+ * @Author: 王林 
+ * @Date: 2021-06-26 22:40:52 
+ * @Desc: 批量执行 
+ */
+class BatchExecution {
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-06-26 22:41:41 
+     * @Desc: 构造函数 
+     */
+    constructor() {
+        this.has = {}
+        this.queue = []
+        this.nextTick = nextTick(this.flush, this)
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-06-27 12:54:04 
+     * @Desc: 添加任务 
+     */
+    push(name, fn) {
+        if (this.has[name]) {
+            return;
+        }
+        this.has[name] = true
+        this.queue.push({
+            name,
+            fn
+        })
+        this.nextTick()
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-06-27 13:09:24 
+     * @Desc:  执行队列
+     */
+    flush() {
+        let fns = this.queue.slice(0)
+        this.queue = []
+        fns.forEach(({ name, fn }) => {
+            this.has[name] = false
+            fn()
+        })
+    }
+}
+
+export default BatchExecution
--- a/simple-mind-map/src/Command.js
+++ b/simple-mind-map/src/Command.js
@@ -0,0 +1,152 @@
+import { copyRenderTree, simpleDeepClone } from './utils';
+
+/** 
+ * @Author: 王林 
+ * @Date: 2021-05-04 13:10:06 
+ * @Desc: 命令类 
+ */
+class Command {
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-05-04 13:10:24 
+     * @Desc: 构造函数 
+     */
+    constructor(opt = {}) {
+        this.opt = opt
+        this.mindMap = opt.mindMap
+        this.commands = {}
+        this.history = []
+        this.activeHistoryIndex = 0
+        // 注册快捷键
+        this.registerShortcutKeys()
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-08-03 23:06:55 
+     * @Desc: 清空历史数据 
+     */
+    clearHistory() {
+        this.history = []
+        this.activeHistoryIndex = 0
+        this.mindMap.emit('back_forward', 0, 0)
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-08-02 23:23:19 
+     * @Desc: 注册快捷键 
+     */
+    registerShortcutKeys() {
+        this.mindMap.keyCommand.addShortcut('Control+z', () => {
+            this.mindMap.execCommand('BACK')
+        })
+        this.mindMap.keyCommand.addShortcut('Control+y', () => {
+            this.mindMap.execCommand('FORWARD')
+        })
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-05-04 13:12:30 
+     * @Desc: 执行命令 
+     */
+    exec(name, ...args) {
+        if (this.commands[name]) {
+            this.commands[name].forEach((fn) => {
+                fn(...args)
+            })
+            if (name === 'BACK' || name === 'FORWARD') {
+                return;
+            }
+            this.addHistory()
+        }
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-05-04 13:13:01 
+     * @Desc: 添加命令 
+     */
+    add(name, fn) {
+        if (this.commands[name]) {
+            this.commands[name].push(fn)
+        } else {
+            this.commands[name] = [fn]
+        }
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-07-15 23:02:41 
+     * @Desc: 移除命令 
+     */
+    remove(name, fn) {
+        if (!this.commands[name]) {
+            return
+        }
+        if (!fn) {
+            this.commands[name] = []
+            delete this.commands[name]
+        } else {
+            let index = this.commands[name].find((item) => {
+                return item === fn;
+            })
+            if (index !== -1) {
+                this.commands[name].splice(index, 1)
+            }
+        }
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-05-04 14:35:43 
+     * @Desc: 添加回退数据 
+     */
+    addHistory() {
+        let data = this.getCopyData()
+        this.history.push(simpleDeepClone(data))
+        this.activeHistoryIndex = this.history.length - 1
+        this.mindMap.emit('data_change', data)
+        this.mindMap.emit('back_forward', this.activeHistoryIndex, this.history.length)
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-07-11 22:34:53 
+     * @Desc: 回退 
+     */
+    back(step = 1) {
+        if (this.activeHistoryIndex - step >= 0) {
+            this.activeHistoryIndex -= step
+            this.mindMap.emit('back_forward', this.activeHistoryIndex, this.history.length)
+            return simpleDeepClone(this.history[this.activeHistoryIndex]);
+        }
+    }
+
+    /** 
+     * javascript comment 
+     * @Author: 王林25 
+     * @Date: 2021-07-12 10:45:31 
+     * @Desc: 前进 
+     */
+    forward(step = 1) {
+        let len = this.history.length
+        if (this.activeHistoryIndex + step <= len - 1) {
+            this.activeHistoryIndex += step
+            this.mindMap.emit('back_forward', this.activeHistoryIndex,)
+            return simpleDeepClone(this.history[this.activeHistoryIndex]);
+        }
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-05-04 15:02:58 
+     * @Desc: 获取渲染树数据副本 
+     */
+    getCopyData() {
+        return copyRenderTree({}, this.mindMap.renderer.renderTree)
+    }
+}
+
+export default Command
--- a/simple-mind-map/src/Drag.js
+++ b/simple-mind-map/src/Drag.js
@@ -0,0 +1,296 @@
+import {
+    bfsWalk,
+    throttle
+} from './utils'
+import Base from './layouts/Base'
+
+/** 
+ * javascript comment 
+ * @Author: 王林25 
+ * @Date: 2021-11-23 17:38:55 
+ * @Desc: 节点拖动类 
+ */
+class Drag extends Base {
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-07-10 22:35:16 
+     * @Desc: 构造函数 
+     */
+    constructor({
+        mindMap
+    }) {
+        super(mindMap.renderer)
+        this.mindMap = mindMap
+        this.reset()
+        this.bindEvent()
+    }
+
+    /** 
+     * javascript comment 
+     * @Author: 王林25 
+     * @Date: 2021-11-23 19:33:56 
+     * @Desc: 复位 
+     */
+    reset() {
+        // 当前拖拽节点
+        this.node = null
+        // 当前重叠节点
+        this.overlapNode = null
+        // 当前上一个同级节点
+        this.prevNode = null
+        // 当前下一个同级节点
+        this.nextNode = null
+        // 画布的变换数据
+        this.drawTransform = null
+        // 克隆节点
+        this.clone = null
+        // 连接线
+        this.line = null
+        // 同级位置占位符
+        this.placeholder = null
+        // 鼠标按下位置和节点左上角的偏移量
+        this.offsetX = 0
+        this.offsetY = 0
+        // 克隆节点左上角的坐标
+        this.cloneNodeLeft = 0
+        this.cloneNodeTop = 0
+        // 当前鼠标是否按下
+        this.isMousedown = false
+        // 拖拽的鼠标位置变量
+        this.mouseDownX = 0
+        this.mouseDownY = 0
+        this.mouseMoveX = 0
+        this.mouseMoveY = 0
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-07-10 22:36:36 
+     * @Desc: 绑定事件 
+     */
+    bindEvent() {
+        this.checkOverlapNode = throttle(this.checkOverlapNode, 300, this)
+        this.mindMap.on('node_mousedown', (node, e) => {
+            if (this.mindMap.opt.readonly) {
+                return
+            }
+            if (e.which !== 1 || node.isRoot) {
+                return
+            }
+            e.preventDefault()
+            // 计算鼠标按下的位置距离节点左上角的距离
+            this.drawTransform = this.mindMap.draw.transform()
+            let {
+                scaleX,
+                scaleY,
+                translateX,
+                translateY
+            } = this.drawTransform
+            this.offsetX = e.clientX - (node.left * scaleX + translateX)
+            this.offsetY = e.clientY - (node.top * scaleY + translateY)
+            // 
+            this.node = node
+            this.isMousedown = true
+            let {
+                x,
+                y
+            } = this.mindMap.toPos(e.clientX, e.clientY)
+            this.mouseDownX = x
+            this.mouseDownY = y
+        })
+        this.mindMap.on('mousemove', (e) => {
+            if (this.mindMap.opt.readonly) {
+                return
+            }
+            if (!this.isMousedown) {
+                return
+            }
+            e.preventDefault()
+            let {
+                x,
+                y
+            } = this.mindMap.toPos(e.clientX, e.clientY)
+            this.mouseMoveX = x
+            this.mouseMoveY = y
+            if ((Math.abs(x - this.mouseDownX) <= 10 && Math.abs(y - this.mouseDownY) <= 10) && !this.node.isDrag) {
+                return
+            }
+            this.mindMap.renderer.clearAllActive()
+            this.onMove(x, y)
+        })
+        this.onMouseup = this.onMouseup.bind(this)
+        this.mindMap.on('node_mouseup', this.onMouseup)
+        this.mindMap.on('mouseup', this.onMouseup)
+    }
+
+    /** 
+     * javascript comment 
+     * @Author: 王林25 
+     * @Date: 2021-11-23 19:38:02 
+     * @Desc: 鼠标松开事件 
+     */
+    onMouseup() {
+        if (!this.isMousedown) {
+            return;
+        }
+        this.isMousedown = false
+        this.node.isDrag = false
+        this.node.show()
+        this.removeCloneNode()
+        // 存在重叠子节点，则移动作为其子节点
+        if (this.overlapNode) {
+            this.mindMap.renderer.setNodeActive(this.overlapNode, false)
+            this.mindMap.execCommand('MOVE_NODE_TO', this.node, this.overlapNode)
+        } else if (this.prevNode) { // 存在前一个相邻节点，作为其下一个兄弟节点
+            this.mindMap.renderer.setNodeActive(this.prevNode, false)
+            this.mindMap.execCommand('INSERT_AFTER', this.node, this.prevNode)
+        } else if (this.nextNode) { // 存在下一个相邻节点，作为其前一个兄弟节点
+            this.mindMap.renderer.setNodeActive(this.nextNode, false)
+            this.mindMap.execCommand('INSERT_BEFORE', this.node, this.nextNode)
+        }
+        this.reset()
+    }
+
+    /** 
+     * javascript comment 
+     * @Author: 王林25 
+     * @Date: 2021-11-23 19:34:53 
+     * @Desc: 创建克隆节点 
+     */
+    createCloneNode() {
+        if (!this.clone) {
+            // 节点
+            this.clone = this.node.group.clone()
+            this.clone.opacity(0.5)
+            this.clone.css('z-index', 99999)
+            this.node.isDrag = true
+            this.node.hide()
+            // 连接线
+            this.line = this.draw.path()
+            this.line.opacity(0.5)
+            this.node.style.line(this.line)
+            // 同级位置占位符
+            this.placeholder = this.draw.rect().fill({
+                color: this.node.style.merge('lineColor', true)
+            })
+            this.mindMap.draw.add(this.clone)
+        }
+    }
+
+    /** 
+     * javascript comment 
+     * @Author: 王林25 
+     * @Date: 2021-11-23 19:35:16 
+     * @Desc: 移除克隆节点 
+     */
+    removeCloneNode() {
+        if (!this.clone) {
+            return
+        }
+        this.clone.remove()
+        this.line.remove()
+        this.placeholder.remove()
+    }
+
+    /** 
+     * javascript comment 
+     * @Author: 王林25 
+     * @Date: 2021-11-23 18:53:47 
+     * @Desc: 拖动中 
+     */
+    onMove(x, y) {
+        if (!this.isMousedown) {
+            return;
+        }
+        this.createCloneNode()
+        let {
+            scaleX,
+            scaleY,
+            translateX,
+            translateY
+        } = this.drawTransform
+        this.cloneNodeLeft = x - this.offsetX
+        this.cloneNodeTop = y - this.offsetY
+        x = (this.cloneNodeLeft - translateX) / scaleX
+        y = (this.cloneNodeTop - translateY) / scaleY
+        let t = this.clone.transform()
+        this.clone.translate(x - t.translateX, y - t.translateY)
+        // 连接线
+        let parent = this.node.parent
+        this.line.plot(this.quadraticCurvePath(parent.left + parent.width / 2, parent.top + parent.height / 2, x + this.node.width / 2, y + this.node.height / 2))
+        this.checkOverlapNode()
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-07-11 10:20:43 
+     * @Desc: 检测重叠节点 
+     */
+    checkOverlapNode() {
+        if (!this.drawTransform) {
+            return
+        }
+        let {
+            scaleX,
+            scaleY,
+            translateX,
+            translateY
+        } = this.drawTransform
+        let checkRight = this.cloneNodeLeft + this.node.width * scaleX
+        let checkBottom = this.cloneNodeTop + this.node.height * scaleX
+        this.overlapNode = null
+        this.prevNode = null
+        this.nextNode = null
+        this.placeholder.size(0, 0)
+        bfsWalk(this.mindMap.renderer.root, (node) => {
+            if (node.nodeData.data.isActive) {
+                this.mindMap.renderer.setNodeActive(node, false)
+            }
+            if (node === this.node || this.node.isParent(node)) {
+                return
+            }
+            if (this.overlapNode || this.prevNode && this.nextNode) {
+                return
+            }
+            let {
+                left,
+                top,
+                width,
+                height
+            } = node
+            let _left = left
+            let _top = top
+            let _bottom = top + height
+            let right = (left + width) * scaleX + translateX
+            let bottom = (top + height) * scaleY + translateY
+            left = left * scaleX + translateX
+            top = top * scaleY + translateY
+            // 检测是否重叠
+            if (!this.overlapNode) {
+                if (
+                    left <= checkRight && right >= this.cloneNodeLeft &&
+                    top <= checkBottom && bottom >= this.cloneNodeTop
+                ) {
+                    this.overlapNode = node
+                }
+            }
+            // 检测兄弟节点位置
+            if (!this.prevNode && !this.nextNode && this.node.isBrother(node)) {
+                if (left <= checkRight && right >= this.cloneNodeLeft) {
+                    if (this.cloneNodeTop > bottom && this.cloneNodeTop <= bottom + 10) {
+                        this.prevNode = node
+                        this.placeholder.size(node.width, 10).move(_left, _bottom)
+                    } else if (checkBottom < top && checkBottom >= top - 10) {
+                        this.nextNode = node
+                        this.placeholder.size(node.width, 10).move(_left, _top - 10)
+                    }
+                }
+            }
+        })
+        if (this.overlapNode) {
+            this.mindMap.renderer.setNodeActive(this.overlapNode, true)
+        }
+    }
+}
+
+export default Drag
--- a/simple-mind-map/src/Event.js
+++ b/simple-mind-map/src/Event.js
@@ -0,0 +1,182 @@
+import EventEmitter from 'eventemitter3'
+
+/** 
+ * javascript comment 
+ * @Author: 王林25 
+ * @Date: 2021-04-07 14:53:09 
+ * @Desc: 事件类 
+ */
+class Event extends EventEmitter {
+    /** 
+     * javascript comment 
+     * @Author: 王林25 
+     * @Date: 2021-04-07 14:53:25 
+     * @Desc: 构造函数 
+     */
+    constructor(opt = {}) {
+        super()
+        this.opt = opt
+        this.mindMap = opt.mindMap
+        this.isLeftMousedown = false
+        this.mousedownPos = {
+            x: 0,
+            y: 0
+        }
+        this.mousemovePos = {
+            x: 0,
+            y: 0
+        }
+        this.mousemoveOffset = {
+            x: 0,
+            y: 0
+        }
+        this.bindFn()
+        this.bind()
+    }
+
+    /** 
+     * javascript comment 
+     * @Author: 王林25 
+     * @Date: 2021-04-07 15:52:24 
+     * @Desc: 绑定函数上下文 
+     */
+    bindFn() {
+        this.onDrawClick = this.onDrawClick.bind(this)
+        this.onMousedown = this.onMousedown.bind(this)
+        this.onMousemove = this.onMousemove.bind(this)
+        this.onMouseup = this.onMouseup.bind(this)
+        this.onMousewheel = this.onMousewheel.bind(this)
+        this.onContextmenu = this.onContextmenu.bind(this)
+        this.onSvgMousedown = this.onSvgMousedown.bind(this)
+    }
+
+    /** 
+     * javascript comment 
+     * @Author: 王林25 
+     * @Date: 2021-04-07 14:53:43 
+     * @Desc: 绑定事件 
+     */
+    bind() {
+        this.mindMap.svg.on('click', this.onDrawClick)
+        this.mindMap.el.addEventListener('mousedown', this.onMousedown)
+        this.mindMap.svg.on('mousedown', this.onSvgMousedown)
+        window.addEventListener('mousemove', this.onMousemove)
+        window.addEventListener('mouseup', this.onMouseup)
+        // 兼容火狐浏览器
+        if(window.navigator.userAgent.toLowerCase().indexOf("firefox") != -1){
+            this.mindMap.el.addEventListener('DOMMouseScroll', this.onMousewheel)
+        } else {
+            this.mindMap.el.addEventListener('mousewheel', this.onMousewheel)
+        }
+        this.mindMap.svg.on('contextmenu', this.onContextmenu)
+    }
+
+    /** 
+     * javascript comment 
+     * @Author: 王林25 
+     * @Date: 2021-04-07 15:40:51 
+     * @Desc: 解绑事件 
+     */
+    unbind() {
+        this.mindMap.svg.off('click', this.onDrawClick)
+        this.mindMap.el.removeEventListener('mousedown', this.onMousedown)
+        window.removeEventListener('mousemove', this.onMousemove)
+        window.removeEventListener('mouseup', this.onMouseup)
+        this.mindMap.el.removeEventListener('mousewheel', this.onMousewheel)
+        this.mindMap.svg.off('contextmenu', this.onContextmenu)
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-04-24 13:19:39 
+     * @Desc:  画布的单击事件
+     */
+    onDrawClick(e) {
+        this.emit('draw_click', e)
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-07-16 13:37:30 
+     * @Desc:  svg画布的鼠标按下事件
+     */
+    onSvgMousedown(e) {
+        this.emit('svg_mousedown', e)
+    }
+
+    /** 
+     * javascript comment 
+     * @Author: 王林25 
+     * @Date: 2021-04-07 15:17:35 
+     * @Desc: 鼠标按下事件 
+     */
+    onMousedown(e) {
+        // e.preventDefault()
+        // 鼠标左键
+        if (e.which === 1) {
+            this.isLeftMousedown = true
+        }
+        this.mousedownPos.x = e.clientX
+        this.mousedownPos.y = e.clientY
+        this.emit('mousedown', e, this)
+    }
+
+    /** 
+     * javascript comment 
+     * @Author: 王林25 
+     * @Date: 2021-04-07 15:18:32 
+     * @Desc: 鼠标移动事件 
+     */
+    onMousemove(e) {
+        // e.preventDefault()
+        this.mousemovePos.x = e.clientX
+        this.mousemovePos.y = e.clientY
+        this.mousemoveOffset.x = e.clientX - this.mousedownPos.x
+        this.mousemoveOffset.y = e.clientY - this.mousedownPos.y
+        this.emit('mousemove', e, this)
+        if (this.isLeftMousedown) {
+            this.emit('drag', e, this)
+        }
+    }
+
+    /** 
+     * javascript comment 
+     * @Author: 王林25 
+     * @Date: 2021-04-07 15:18:57 
+     * @Desc: 鼠标松开事件 
+     */
+    onMouseup(e) {
+        this.isLeftMousedown = false
+        this.emit('mouseup', e, this)
+    }
+
+    /** 
+     * javascript comment 
+     * @Author: 王林25 
+     * @Date: 2021-04-07 15:46:27 
+     * @Desc: 鼠标滚动 
+     */
+    onMousewheel(e) {
+        e.stopPropagation()
+        e.preventDefault()
+        let dir
+        if ((e.wheelDeltaY || e.detail) > 0) {
+            dir = 'up'
+        } else {
+            dir = 'down'
+        }
+        this.emit('mousewheel', e, dir, this)
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-07-10 22:34:13 
+     * @Desc: 鼠标右键菜单事件 
+     */
+    onContextmenu(e) {
+        e.preventDefault()
+        this.emit('contextmenu', e)
+    }
+}
+
+export default Event
--- a/simple-mind-map/src/Export.js
+++ b/simple-mind-map/src/Export.js
@@ -0,0 +1,226 @@
+import { imgToDataUrl, downloadFile } from './utils'
+const URL = window.URL || window.webkitURL || window
+
+/** 
+ * @Author: 王林 
+ * @Date: 2021-07-01 22:05:16 
+ * @Desc: 导出类 
+ */
+class Export {
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-07-01 22:05:42 
+     * @Desc: 构造函数 
+     */
+    constructor(opt) {
+        this.mindMap = opt.mindMap
+        this.exportPadding = this.mindMap.opt.exportPadding
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-07-02 07:44:06 
+     * @Desc: 导出 
+     */
+    async export(type, isDownload = true, name = '思维导图') {
+        if (this[type]) {
+            let result = await this[type]()
+            if (isDownload) {
+                downloadFile(result, name + '.' + type)
+            }
+            return result
+        } else {
+            return null
+        }
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-07-04 14:57:40 
+     * @Desc: 获取svg数据 
+     */
+    async getSvgData() {
+        const svg = this.mindMap.svg
+        const draw = this.mindMap.draw
+        // 保存原始信息
+        const origWidth = svg.width()
+        const origHeight = svg.height()
+        const origTransform = draw.transform()
+        const elRect = this.mindMap.el.getBoundingClientRect()
+        // 去除放大缩小的变换效果
+        draw.scale(1 / origTransform.scaleX, 1 / origTransform.scaleY)
+        // 获取变换后的位置尺寸信息，其实是getBoundingClientRect方法的包装方法
+        const rect = draw.rbox()
+        // 将svg设置为实际内容的宽高
+        svg.size(rect.width, rect.height)
+        // 把实际内容变换
+        draw.translate(-rect.x + elRect.left, -rect.y + elRect.top)
+        // 克隆一份数据
+        const clone = svg.clone()
+        // 恢复原先的大小和变换信息
+        svg.size(origWidth, origHeight)
+        draw.transform(origTransform)
+        // 把图片的url转换成data:url类型，否则导出会丢失图片
+        let imageList = clone.find('image')
+        let task = imageList.map(async (item) => {
+            let imgUlr = item.attr('href') || item.attr('xlink:href')
+            let imgData = await imgToDataUrl(imgUlr)
+            item.attr('href', imgData)
+        })
+        await Promise.all(task)
+        return {
+            node: clone,
+            str: clone.svg()
+        }
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-07-04 15:25:19 
+     * @Desc:  svg转png
+     */
+    svgToPng(svgSrc) {
+        return new Promise((resolve, reject) => {
+            const img = new Image()
+            // 跨域图片需要添加这个属性，否则画布被污染了无法导出图片
+            img.setAttribute('crossOrigin', 'anonymous')
+            img.onload = async () => {
+                try {
+                    let canvas = document.createElement('canvas')
+                    canvas.width = img.width + this.exportPadding * 2
+                    canvas.height = img.height + this.exportPadding * 2
+                    let ctx = canvas.getContext('2d')
+                    // 绘制背景
+                    await this.drawBackgroundToCanvas(ctx, canvas.width, canvas.height)
+                    // 图片绘制到canvas里
+                    ctx.drawImage(img, 0, 0, img.width, img.height, this.exportPadding, this.exportPadding, img.width, img.height)
+                    resolve(canvas.toDataURL())
+                } catch (error) {
+                    reject(error)
+                }
+            }
+            img.onerror = (e) => {
+                reject(e)
+            }
+            img.src = svgSrc
+        })
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-07-04 15:32:07 
+     * @Desc: 在canvas上绘制思维导图背景
+     */
+    drawBackgroundToCanvas(ctx, width, height) {
+        return new Promise((resolve, rejct) => {
+            let { backgroundColor = '#fff', backgroundImage, backgroundRepeat = "repeat" } = this.mindMap.themeConfig
+            // 背景颜色
+            ctx.save()
+            ctx.rect(0, 0, width, height)
+            ctx.fillStyle = backgroundColor
+            ctx.fill()
+            ctx.restore()
+            // 背景图片
+            if (backgroundImage && backgroundImage !== 'none') {
+                ctx.save()
+                let img = new Image()
+                img.src = backgroundImage
+                img.onload = () => {
+                    let pat = ctx.createPattern(img, backgroundRepeat)
+                    ctx.rect(0, 0, width, height)
+                    ctx.fillStyle = pat
+                    ctx.fill()
+                    ctx.restore()
+                    resolve()
+                }
+                img.onerror = (e) => {
+                    rejct(e)
+                }
+            } else {
+                resolve()
+            }
+        })
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-07-01 22:09:51 
+     * @Desc: 导出为png 
+     * 方法1.把svg的图片都转化成data:url格式，再转换
+     * 方法2.把svg的图片提取出来再挨个绘制到canvas里，最后一起转换
+     */
+    async png() {
+        let { str } = await this.getSvgData()
+        // 转换成blob数据
+        let blob = new Blob([str], {
+            type: 'image/svg+xml'
+        })
+        // 转换成data:url数据
+        let svgUrl = URL.createObjectURL(blob)
+        // 绘制到canvas上
+        let imgDataUrl = await this.svgToPng(svgUrl)
+        URL.revokeObjectURL(svgUrl)
+        return imgDataUrl
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-07-04 15:32:07 
+     * @Desc: 在svg上绘制思维导图背景
+     */
+    drawBackgroundToSvg(svg) {
+        return new Promise(async (resolve, rejct) => {
+            let { backgroundColor = '#fff', backgroundImage, backgroundRepeat = "repeat" } = this.mindMap.themeConfig
+            // 背景颜色
+            svg.css('background-color', backgroundColor)
+            // 背景图片
+            if (backgroundImage && backgroundImage !== 'none') {
+                let imgDataUrl = await imgToDataUrl(backgroundImage)
+                svg.css('background-image', `url(${imgDataUrl})`)
+                svg.css('background-repeat', backgroundRepeat)
+                resolve()
+            } else {
+                resolve()
+            }
+        })
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-07-04 14:54:07 
+     * @Desc: 导出为svg 
+     */
+    async svg() {
+        let { node } = await this.getSvgData()
+        await this.drawBackgroundToSvg(node)
+        let str = node.svg()
+        // 转换成blob数据
+        let blob = new Blob([str], {
+            type: 'image/svg+xml'
+        })
+        return URL.createObjectURL(blob)
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-08-03 22:19:17 
+     * @Desc: 导出为json 
+     */
+    json () {
+        let data = this.mindMap.command.getCopyData()
+        let str = JSON.stringify(data)
+        let blob = new Blob([str])
+        return URL.createObjectURL(blob)
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-08-03 22:24:24 
+     * @Desc: 专有文件，其实就是json文件 
+     */
+    smm () {
+        return this.json();
+    }
+}
+
+export default Export
--- a/simple-mind-map/src/KeyCommand.js
+++ b/simple-mind-map/src/KeyCommand.js
@@ -0,0 +1,142 @@
+import { keyMap } from './utils/keyMap';
+/** 
+ * @Author: 王林 
+ * @Date: 2021-04-24 15:20:46 
+ * @Desc: 快捷按键、命令处理类 
+ */
+export default class KeyCommand {
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-04-24 15:21:32 
+     * @Desc: 构造函数 
+     */
+    constructor(opt) {
+        this.opt = opt
+        this.mindMap = opt.mindMap
+        this.shortcutMap = {
+            //Enter: [fn]
+        }
+        this.bindEvent()
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-04-24 15:23:22 
+     * @Desc: 绑定事件 
+     */
+    bindEvent() {
+        window.addEventListener('keydown', (e) => {
+            Object.keys(this.shortcutMap).forEach((key) => {
+                if (this.checkKey(e, key)) {
+                    e.stopPropagation()
+                    e.preventDefault()
+                    this.shortcutMap[key].forEach((fn) => {
+                        fn()
+                    })
+                }
+            })
+        })
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-04-24 19:24:53 
+     * @Desc: 检查键值是否符合 
+     */
+    checkKey(e, key) {
+        let o = this.getOriginEventCodeArr(e)
+        let k = this.getKeyCodeArr(key)
+        if (o.length !== k.length) {
+            return false
+        }
+        for (let i = 0; i < o.length; i++) {
+            let index = k.findIndex((item) => {
+                return item === o[i];
+            })
+            if (index === -1) {
+                return false
+            } else {
+                k.splice(index, 1)
+            }
+        }
+        return true
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-04-24 19:15:19 
+     * @Desc: 获取事件对象里的键值数组 
+     */
+    getOriginEventCodeArr(e) {
+        let arr = []
+        if (e.ctrlKey || e.metaKey) {
+            arr.push(keyMap['Control'])
+        }
+        if (e.altKey) {
+            arr.push(keyMap['Alt'])
+        }
+        if (e.shiftKey) {
+            arr.push(keyMap['Shift'])
+        }
+        if (!arr.includes(e.keyCode)) {
+            arr.push(e.keyCode)
+        }
+        return arr
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-04-24 19:40:11 
+     * @Desc: 获取快捷键对应的键值数组 
+     */
+    getKeyCodeArr(key) {
+        let keyArr = key.split(/\s*\+\s*/)
+        let arr = []
+        keyArr.forEach((item) => {
+            arr.push(keyMap[item])
+        })
+        return arr
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-04-24 15:23:00 
+     * @Desc: 添加快捷键命令 
+     * Enter
+     * Tab | Insert
+     * Shift + a
+     */
+    addShortcut(key, fn) {
+        key.split(/\s*\|\s*/).forEach((item) => {
+            if (this.shortcutMap[item]) {
+                this.shortcutMap[item].push(fn)
+            } else {
+                this.shortcutMap[item] = [fn]
+            }
+        })
+    }
+
+    /** 
+     * javascript comment 
+     * @Author: 王林25 
+     * @Date: 2021-07-27 14:06:16 
+     * @Desc: 移除快捷键命令 
+     */
+    removeShortcut(key, fn) {
+        key.split(/\s*\|\s*/).forEach((item) => {
+            if (this.shortcutMap[item]) {
+                if (fn) {
+                    let index = this.shortcutMap[item].findIndex((f) => {
+                        return f === fn
+                    })
+                    if (index !== -1) {
+                        this.shortcutMap[item].splice(index, 1)
+                    }
+                } else {
+                    this.shortcutMap[item] = []
+                    delete this.shortcutMap[item]
+                }
+            }
+        })
+    }
+}
--- a/simple-mind-map/src/Node.js
+++ b/simple-mind-map/src/Node.js
--- a/simple-mind-map/src/Render.js
+++ b/simple-mind-map/src/Render.js
@@ -0,0 +1,884 @@
+import merge from 'deepmerge'
+import LogicalStructure from './layouts/LogicalStructure'
+import MindMap from './layouts/MindMap'
+import CatalogOrganization from './layouts/CatalogOrganization'
+import OrganizationStructure from './layouts/OrganizationStructure'
+import TextEdit from './TextEdit'
+import { copyNodeTree, simpleDeepClone, walk } from './utils'
+
+// 布局列表
+const layouts = {
+    // 逻辑结构图
+    logicalStructure: LogicalStructure,
+    // 思维导图
+    mindMap: MindMap,
+    // 目录组织图
+    catalogOrganization: CatalogOrganization,
+    // 组织结构图
+    organizationStructure: OrganizationStructure
+}
+
+/** 
+ * javascript comment 
+ * @Author: 王林25 
+ * @Date: 2021-04-08 16:25:07 
+ * @Desc: 渲染
+ */
+class Render {
+    /** 
+     * javascript comment 
+     * @Author: 王林25 
+     * @Date: 2021-04-08 16:25:32 
+     * @Desc: 构造函数 
+     */
+    constructor(opt = {}) {
+        this.opt = opt
+        this.mindMap = opt.mindMap
+        this.themeConfig = this.mindMap.themeConfig
+        this.draw = this.mindMap.draw
+        // 渲染树，操作过程中修改的都是这里的数据
+        this.renderTree = merge({}, this.mindMap.opt.data || {})
+        // 是否重新渲染
+        this.reRender = false
+        // 当前激活的节点列表
+        this.activeNodeList = []
+        // 根节点
+        this.root = null
+        // 文本编辑框，需要再bindEvent之前实例化，否则单击事件只能触发隐藏文本编辑框，而无法保存文本修改
+        this.textEdit = new TextEdit(this)
+        // 布局
+        this.setLayout()
+        // 绑定事件
+        this.bindEvent()
+        // 注册命令
+        this.registerCommands()
+        // 注册快捷键
+        this.registerShortcutKeys()
+    }
+
+    /** 
+     * javascript comment 
+     * @Author: 王林25 
+     * @Date: 2021-07-13 16:20:07 
+     * @Desc: 设置布局结构 
+     */
+    setLayout() {
+        this.layout = new (layouts[this.mindMap.opt.layout] ? layouts[this.mindMap.opt.layout] : layouts.logicalStructure)(this)
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-06-20 10:34:06 
+     * @Desc:  绑定事件
+     */
+    bindEvent() {
+        // 点击事件
+        this.mindMap.on('draw_click', () => {
+            // 清除激活状态
+            if (this.activeNodeList.length > 0) {
+                this.mindMap.execCommand('CLEAR_ACTIVE_NODE')
+            }
+        })
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-05-04 13:19:06 
+     * @Desc: 注册命令 
+     */
+    registerCommands() {
+        // 全选
+        this.selectAll = this.selectAll.bind(this)
+        this.mindMap.command.add('SELECT_ALL', this.selectAll)
+        // 回退
+        this.back = this.back.bind(this)
+        this.mindMap.command.add('BACK', this.back)
+        // 前进
+        this.forward = this.forward.bind(this)
+        this.mindMap.command.add('FORWARD', this.forward)
+        // 插入同级节点
+        this.insertNode = this.insertNode.bind(this)
+        this.mindMap.command.add('INSERT_NODE', this.insertNode)
+        // 插入子节点
+        this.insertChildNode = this.insertChildNode.bind(this)
+        this.mindMap.command.add('INSERT_CHILD_NODE', this.insertChildNode)
+        // 上移节点
+        this.upNode = this.upNode.bind(this)
+        this.mindMap.command.add('UP_NODE', this.upNode)
+        // 下移节点
+        this.downNode = this.downNode.bind(this)
+        this.mindMap.command.add('DOWN_NODE', this.downNode)
+        // 移动节点
+        this.insertAfter = this.insertAfter.bind(this)
+        this.mindMap.command.add('INSERT_AFTER', this.insertAfter)
+        this.insertBefore = this.insertBefore.bind(this)
+        this.mindMap.command.add('INSERT_BEFORE', this.insertBefore)
+        this.moveNodeTo = this.moveNodeTo.bind(this)
+        this.mindMap.command.add('MOVE_NODE_TO', this.moveNodeTo)
+        // 删除节点
+        this.removeNode = this.removeNode.bind(this)
+        this.mindMap.command.add('REMOVE_NODE', this.removeNode)
+        // 粘贴节点
+        this.pasteNode = this.pasteNode.bind(this)
+        this.mindMap.command.add('PASTE_NODE', this.pasteNode)
+        // 剪切节点
+        this.cutNode = this.cutNode.bind(this)
+        this.mindMap.command.add('CUT_NODE', this.cutNode)
+        // 修改节点样式
+        this.setNodeStyle = this.setNodeStyle.bind(this)
+        this.mindMap.command.add('SET_NODE_STYLE', this.setNodeStyle)
+        // 切换节点是否激活
+        this.setNodeActive = this.setNodeActive.bind(this)
+        this.mindMap.command.add('SET_NODE_ACTIVE', this.setNodeActive)
+        // 清除所有激活节点
+        this.clearAllActive = this.clearAllActive.bind(this)
+        this.mindMap.command.add('CLEAR_ACTIVE_NODE', this.clearAllActive)
+        // 切换节点是否展开
+        this.setNodeExpand = this.setNodeExpand.bind(this)
+        this.mindMap.command.add('SET_NODE_EXPAND', this.setNodeExpand)
+        // 展开所有节点
+        this.expandAllNode = this.expandAllNode.bind(this)
+        this.mindMap.command.add('EXPAND_ALL', this.expandAllNode)
+        // 收起所有节点
+        this.unexpandAllNode = this.unexpandAllNode.bind(this)
+        this.mindMap.command.add('UNEXPAND_ALL', this.unexpandAllNode)
+        // 设置节点数据
+        this.setNodeData = this.setNodeData.bind(this)
+        this.mindMap.command.add('SET_NODE_DATA', this.setNodeData)
+        // 设置节点文本
+        this.setNodeText = this.setNodeText.bind(this)
+        this.mindMap.command.add('SET_NODE_TEXT', this.setNodeText)
+        // 设置节点图片
+        this.setNodeImage = this.setNodeImage.bind(this)
+        this.mindMap.command.add('SET_NODE_IMAGE', this.setNodeImage)
+        // 设置节点图标
+        this.setNodeIcon = this.setNodeIcon.bind(this)
+        this.mindMap.command.add('SET_NODE_ICON', this.setNodeIcon)
+        // 设置节点超链接
+        this.setNodeHyperlink = this.setNodeHyperlink.bind(this)
+        this.mindMap.command.add('SET_NODE_HYPERLINK', this.setNodeHyperlink)
+        // 设置节点备注
+        this.setNodeNote = this.setNodeNote.bind(this)
+        this.mindMap.command.add('SET_NODE_NOTE', this.setNodeNote)
+        // 设置节点标签
+        this.setNodeTag = this.setNodeTag.bind(this)
+        this.mindMap.command.add('SET_NODE_TAG', this.setNodeTag)
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-07-11 16:55:44 
+     * @Desc: 注册快捷键 
+     */
+    registerShortcutKeys() {
+        // 插入下级节点
+        this.mindMap.keyCommand.addShortcut('Tab', () => {
+            this.mindMap.execCommand('INSERT_CHILD_NODE')
+        })
+        // 插入同级节点
+        this.insertNodeWrap = () => {
+            if (this.textEdit.showTextEdit) {
+                return
+            }
+            this.mindMap.execCommand('INSERT_NODE')
+        }
+        this.mindMap.keyCommand.addShortcut('Enter', this.insertNodeWrap)
+        // 展开/收起节点
+        this.mindMap.keyCommand.addShortcut('/', () => {
+            this.activeNodeList.forEach((node) => {
+                if (node.nodeData.children.length <= 0) {
+                    return
+                }
+                this.toggleNodeExpand(node)
+            })
+        })
+        // 删除节点
+        this.removeNodeWrap = () => {
+            this.mindMap.execCommand('REMOVE_NODE')
+        }
+        this.mindMap.keyCommand.addShortcut('Del|Backspace', this.removeNodeWrap)
+        // 节点编辑时某些快捷键会存在冲突，需要暂时去除
+        this.mindMap.on('before_show_text_edit', () => {
+            this.startTextEdit()
+        })
+        this.mindMap.on('hide_text_edit', () => {
+            this.endTextEdit()
+        })
+        // 全选
+        this.mindMap.keyCommand.addShortcut('Control+a', () => {
+            this.mindMap.execCommand('SELECT_ALL')
+        })
+    }
+
+    /** 
+     * javascript comment 
+     * @Author: 王林25 
+     * @Date: 2022-05-09 10:43:52 
+     * @Desc: 开启文字编辑，会禁用回车键和删除键相关快捷键防止冲突 
+     */
+    startTextEdit() {
+        this.mindMap.keyCommand.removeShortcut('Del|Backspace')
+        this.mindMap.keyCommand.removeShortcut('Enter', this.insertNodeWrap)
+    }
+
+    /** 
+     * javascript comment 
+     * @Author: 王林25 
+     * @Date: 2022-05-09 10:45:11 
+     * @Desc: 结束文字编辑，会恢复回车键和删除键相关快捷键
+     */
+    endTextEdit() {
+        this.mindMap.keyCommand.addShortcut('Del|Backspace', this.removeNodeWrap)
+        this.mindMap.keyCommand.addShortcut('Enter', this.insertNodeWrap)
+    }
+
+    /** 
+     * javascript comment 
+     * @Author: 王林25 
+     * @Date: 2021-04-08 16:27:55 
+     * @Desc:  渲染
+     */
+    render() {
+        if (this.reRender) {
+            this.clearActive()
+        }
+        this.layout.doLayout((root) => {
+            this.root = root
+            this.root.render()
+        })
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-04-12 22:45:01 
+     * @Desc: 清除当前激活的节点 
+     */
+    clearActive() {
+        this.activeNodeList.forEach((item) => {
+            this.setNodeActive(item, false)
+        })
+        this.activeNodeList = []
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-08-03 23:14:34 
+     * @Desc: 清除当前所有激活节点，并会触发事件 
+     */
+    clearAllActive() {
+        if (this.activeNodeList.length <= 0) {
+            return
+        }
+        this.clearActive()
+        this.mindMap.emit('node_active', null, [])
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-07-11 10:54:00 
+     * @Desc:  添加节点到激活列表里
+     */
+    addActiveNode(node) {
+        let index = this.findActiveNodeIndex(node)
+        if (index === -1) {
+            this.activeNodeList.push(node)
+        }
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-07-10 10:04:04 
+     * @Desc: 在激活列表里移除某个节点 
+     */
+    removeActiveNode(node) {
+        let index = this.findActiveNodeIndex(node)
+        if (index === -1) {
+            return
+        }
+        this.activeNodeList.splice(index, 1)
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-07-11 10:55:23 
+     * @Desc: 检索某个节点在激活列表里的索引 
+     */
+    findActiveNodeIndex(node) {
+        return this.activeNodeList.findIndex((item) => {
+            return item === node
+        })
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-05-04 13:46:08 
+     * @Desc: 获取节点在同级里的索引位置 
+     */
+    getNodeIndex(node) {
+        return node.parent ? node.parent.children.findIndex((item) => {
+            return item === node
+        }) : 0
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-08-04 23:54:52 
+     * @Desc: 全选 
+     */
+    selectAll() {
+        walk(this.root, null, (node) => {
+            if (!node.nodeData.data.isActive) {
+                node.nodeData.data.isActive = true
+                this.addActiveNode(node)
+                setTimeout(() => {
+                    node.renderNode()
+                }, 0);
+            }
+        }, null, true, 0, 0)
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-07-11 22:34:12 
+     * @Desc: 回退 
+     */
+    back(step) {
+        this.clearAllActive()
+        let data = this.mindMap.command.back(step)
+        if (data) {
+            this.renderTree = data
+            this.mindMap.reRender()
+        }
+    }
+
+    /** 
+     * javascript comment 
+     * @Author: 王林25 
+     * @Date: 2021-07-12 10:44:51 
+     * @Desc: 前进 
+     */
+    forward(step) {
+        this.clearAllActive()
+        let data = this.mindMap.command.forward(step)
+        if (data) {
+            this.renderTree = data
+            this.mindMap.reRender()
+        }
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-05-04 13:19:54 
+     * @Desc: 插入同级节点，多个节点只会操作第一个节点
+     */
+    insertNode() {
+        if (this.activeNodeList.length <= 0) {
+            return
+        }
+        let first = this.activeNodeList[0]
+        if (first.isRoot) {
+            this.insertChildNode()
+        } else {
+            if (first.layerIndex === 1) {
+                first.parent.initRender = true
+            }
+            let index = this.getNodeIndex(first)
+            first.parent.nodeData.children.splice(index + 1, 0, {
+                "data": {
+                    "text": "分支主题",
+                    "expand": true
+                },
+                "children": []
+            })
+            this.mindMap.render()
+        }
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-05-04 13:31:02 
+     * @Desc: 插入子节点 
+     */
+    insertChildNode() {
+        if (this.activeNodeList.length <= 0) {
+            return
+        }
+        this.activeNodeList.forEach((node, index) => {
+            if (!node.nodeData.children) {
+                node.nodeData.children = []
+            }
+            node.nodeData.children.push({
+                "data": {
+                    "text": "分支主题",
+                    "expand": true
+                },
+                "children": []
+            })
+            if (node.isRoot) {
+                node.initRender = true
+                // this.mindMap.batchExecution.push('renderNode' + index, () => {
+                //     node.renderNode()
+                // })
+            }
+        })
+        this.mindMap.render()
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-07-14 23:34:14 
+     * @Desc: 上移节点，多个节点只会操作第一个节点
+     */
+    upNode() {
+        if (this.activeNodeList.length <= 0) {
+            return
+        }
+        let node = this.activeNodeList[0]
+        if (node.isRoot) {
+            return
+        }
+        let parent = node.parent
+        let childList = parent.children
+        let index = childList.findIndex((item) => {
+            return item === node
+        })
+        if (index === -1 || index === 0) {
+            return
+        }
+        let insertIndex = index - 1
+        // 节点实例
+        childList.splice(index, 1)
+        childList.splice(insertIndex, 0, node)
+        // 节点数据
+        parent.nodeData.children.splice(index, 1)
+        parent.nodeData.children.splice(insertIndex, 0, node.nodeData)
+        this.mindMap.render()
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-07-14 23:34:18 
+     * @Desc: 下移节点，多个节点只会操作第一个节点 
+     */
+    downNode() {
+        if (this.activeNodeList.length <= 0) {
+            return
+        }
+        let node = this.activeNodeList[0]
+        if (node.isRoot) {
+            return
+        }
+        let parent = node.parent
+        let childList = parent.children
+        let index = childList.findIndex((item) => {
+            return item === node
+        })
+        if (index === -1 || index === childList.length - 1) {
+            return
+        }
+        let insertIndex = index + 1
+        // 节点实例
+        childList.splice(index, 1)
+        childList.splice(insertIndex, 0, node)
+        // 节点数据
+        parent.nodeData.children.splice(index, 1)
+        parent.nodeData.children.splice(insertIndex, 0, node.nodeData)
+        this.mindMap.render()
+    }
+
+    /** 
+     * javascript comment 
+     * @Author: 王林25 
+     * @Date: 2021-11-25 10:51:34 
+     * @Desc: 将节点移动到另一个节点的前面
+     */
+    insertBefore(node, exist) {
+        if (node.isRoot) {
+            return
+        }
+        let parent = node.parent
+        let childList = parent.children
+        // 要移动节点的索引
+        let index = childList.findIndex((item) => {
+            return item === node
+        })
+        if (index === -1) {
+            return
+        }
+        // 目标节点的索引
+        let existIndex = childList.findIndex((item) => {
+            return item === exist
+        })
+        if (existIndex === -1) {
+            return
+        }
+        // 当前节点在目标节点前面
+        if (index < existIndex) {
+            existIndex = existIndex - 1
+        } else {
+            existIndex = existIndex
+        }
+        // 节点实例
+        childList.splice(index, 1)
+        childList.splice(existIndex, 0, node)
+        // 节点数据
+        parent.nodeData.children.splice(index, 1)
+        parent.nodeData.children.splice(existIndex, 0, node.nodeData)
+        this.mindMap.render()
+    }
+
+    /** 
+     * javascript comment 
+     * @Author: 王林25 
+     * @Date: 2021-11-25 10:51:34 
+     * @Desc: 将节点移动到另一个节点的后面
+     */
+    insertAfter(node, exist) {
+        if (node.isRoot) {
+            return
+        }
+        let parent = node.parent
+        let childList = parent.children
+        // 要移动节点的索引
+        let index = childList.findIndex((item) => {
+            return item === node
+        })
+        if (index === -1) {
+            return
+        }
+        // 目标节点的索引
+        let existIndex = childList.findIndex((item) => {
+            return item === exist
+        })
+        if (existIndex === -1) {
+            return
+        }
+        // 当前节点在目标节点前面
+        if (index < existIndex) {
+            existIndex = existIndex
+        } else {
+            existIndex = existIndex + 1
+        }
+        // 节点实例
+        childList.splice(index, 1)
+        childList.splice(existIndex, 0, node)
+        // 节点数据
+        parent.nodeData.children.splice(index, 1)
+        parent.nodeData.children.splice(existIndex, 0, node.nodeData)
+        this.mindMap.render()
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-05-04 13:40:39 
+     * @Desc: 移除节点 
+     */
+    removeNode() {
+        if (this.activeNodeList.length <= 0) {
+            return
+        }
+        for (let i = 0; i < this.activeNodeList.length; i++) {
+            let node = this.activeNodeList[i]
+            if (node.isRoot) {
+                node.children.forEach((child) => {
+                    child.remove()
+                })
+                node.children = []
+                node.nodeData.children = []
+                break
+            } else {
+                this.removeActiveNode(node)
+                this.removeOneNode(node)
+                i--
+            }
+        }
+        this.mindMap.emit('node_active', null, [])
+        this.mindMap.render()
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-07-15 22:46:27 
+     * @Desc: 移除某个指定节点 
+     */
+    removeOneNode(node) {
+        let index = this.getNodeIndex(node)
+        node.remove()
+        node.parent.children.splice(index, 1)
+        node.parent.nodeData.children.splice(index, 1)
+    }
+
+    /** 
+     * javascript comment 
+     * @Author: 王林25 
+     * @Date: 2021-07-15 09:53:23 
+     * @Desc: 复制节点，多个节点只会操作第一个节点 
+     */
+    copyNode() {
+        if (this.activeNodeList.length <= 0) {
+            return
+        }
+        return copyNodeTree({}, this.activeNodeList[0])
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-07-15 22:36:45 
+     * @Desc: 剪切节点，多个节点只会操作第一个节点
+     */
+    cutNode(callback) {
+        if (this.activeNodeList.length <= 0) {
+            return
+        }
+        let node = this.activeNodeList[0]
+        if (node.isRoot) {
+            return null
+        }
+        let copyData = copyNodeTree({}, node)
+        this.removeActiveNode(node)
+        this.removeOneNode(node)
+        this.mindMap.emit('node_active', null, this.activeNodeList)
+        this.mindMap.render()
+        if (callback && typeof callback === 'function') {
+            callback(copyData)
+        }
+    }
+
+    /** 
+     * javascript comment 
+     * @Author: 王林25 
+     * @Date: 2021-11-24 16:54:01 
+     * @Desc: 移动一个节点作为另一个节点的子节点 
+     */
+    moveNodeTo(node, toNode) {
+        if (node.isRoot) {
+            return
+        }
+        let copyData = copyNodeTree({}, node)
+        this.removeActiveNode(node)
+        this.removeOneNode(node)
+        this.mindMap.emit('node_active', null, this.activeNodeList)
+        toNode.nodeData.children.push(copyData)
+        this.mindMap.render()
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-07-15 20:09:39 
+     * @Desc:  粘贴节点到节点
+     */
+    pasteNode(data) {
+        if (this.activeNodeList.length <= 0) {
+            return
+        }
+        this.activeNodeList.forEach((item) => {
+            item.nodeData.children.push(simpleDeepClone(data))
+        })
+        this.mindMap.render()
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-07-08 21:54:30 
+     * @Desc: 设置节点样式 
+     */
+    setNodeStyle(node, prop, value, isActive) {
+        let data = {}
+        if (isActive) {
+            data = {
+                activeStyle: {
+                    ...(node.nodeData.data.activeStyle || {}),
+                    [prop]: value
+                }
+            }
+        } else {
+            data = {
+                [prop]: value
+            }
+        }
+        this.setNodeDataRender(node, data)
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-07-08 22:13:03 
+     * @Desc: 设置节点是否激活 
+     */
+    setNodeActive(node, active) {
+        this.setNodeData(node, {
+            isActive: active
+        })
+        node.renderNode()
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-07-10 16:52:41 
+     * @Desc: 设置节点是否展开 
+     */
+    setNodeExpand(node, expand) {
+        this.setNodeData(node, {
+            expand
+        })
+        if (expand) { // 展开
+            node.children.forEach((item) => {
+                item.render()
+            })
+            node.renderLine()
+            node.updateExpandBtnNode()
+        } else { // 收缩
+            node.children.forEach((item) => {
+                item.remove()
+            })
+            node.removeLine()
+            node.updateExpandBtnNode()
+        }
+        this.mindMap.render()
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-07-15 23:23:37 
+     * @Desc: 展开所有 
+     */
+    expandAllNode() {
+        walk(this.renderTree, null, (node) => {
+            if (!node.data.expand) {
+                node.data.expand = true
+            }
+        }, null, true, 0, 0)
+        this.mindMap.render()
+        this.root.children.forEach((item) => {
+            item.updateExpandBtnNode()
+        })
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-07-15 23:27:14 
+     * @Desc: 收起所有 
+     */
+    unexpandAllNode() {
+        this.root.children.forEach((item) => {
+            this.setNodeExpand(item, false)
+        })
+        walk(this.renderTree, null, (node, parent, isRoot) => {
+            if (!isRoot) {
+                node.data.expand = false
+            }
+        }, null, true, 0, 0)
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-07-11 17:15:33 
+     * @Desc: 切换节点展开状态 
+     */
+    toggleNodeExpand(node) {
+        this.mindMap.execCommand('SET_NODE_EXPAND', node, !node.nodeData.data.expand)
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-07-09 22:04:19 
+     * @Desc: 设置节点文本 
+     */
+    setNodeText(node, text) {
+        this.setNodeDataRender(node, {
+            text
+        })
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-07-10 08:37:40 
+     * @Desc: 设置节点图片 
+     */
+    setNodeImage(node, {
+        url,
+        title,
+        width,
+        height
+    }) {
+        this.setNodeDataRender(node, {
+            image: url,
+            imageTitle: title || '',
+            imageSize: {
+                width,
+                height,
+            },
+        })
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-07-10 08:44:06 
+     * @Desc: 设置节点图标 
+     */
+    setNodeIcon(node, icons) {
+        this.setNodeDataRender(node, {
+            icon: icons
+        })
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-07-10 08:49:33 
+     * @Desc: 设置节点超链接 
+     */
+    setNodeHyperlink(node, link, title = '') {
+        this.setNodeDataRender(node, {
+            hyperlink: link,
+            hyperlinkTitle: title,
+        })
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-07-10 08:52:59 
+     * @Desc: 设置节点备注 
+     */
+    setNodeNote(node, note) {
+        this.setNodeDataRender(node, {
+            note
+        })
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-07-10 08:54:53 
+     * @Desc: 设置节点标签 
+     */
+    setNodeTag(node, tag) {
+        this.setNodeDataRender(node, {
+            tag
+        })
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-05-04 14:19:48 
+     * @Desc: 更新节点数据 
+     */
+    setNodeData(node, data) {
+        Object.keys(data).forEach((key) => {
+            node.nodeData.data[key] = data[key]
+        })
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-07-10 08:45:48 
+     * @Desc: 设置节点数据，并判断是否渲染 
+     */
+    setNodeDataRender(node, data) {
+        this.setNodeData(node, data)
+        let changed = node.getSize()
+        node.renderNode()
+        if (changed) {
+            this.mindMap.render()
+        }
+    }
+}
+
+export default Render
--- a/simple-mind-map/src/Select.js
+++ b/simple-mind-map/src/Select.js
@@ -0,0 +1,191 @@
+import { bfsWalk, throttle } from './utils'
+
+/** 
+ * @Author: 王林 
+ * @Date: 2021-07-10 22:34:51 
+ * @Desc: 选择节点类 
+ */
+
+class Select {
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-07-10 22:35:16 
+     * @Desc: 构造函数 
+     */
+    constructor({ mindMap }) {
+        this.mindMap = mindMap
+        this.rect = null
+        this.isMousedown = false
+        this.mouseDownX = 0
+        this.mouseDownY = 0
+        this.mouseMoveX = 0
+        this.mouseMoveY = 0
+        this.bindEvent()
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-07-10 22:36:36 
+     * @Desc: 绑定事件 
+     */
+    bindEvent() {
+        this.checkInNodes = throttle(this.checkInNodes, 500, this)
+        this.mindMap.on('mousedown', (e) => {
+            if (this.mindMap.opt.readonly) {
+                return
+            }
+            if (e.which !== 3) {
+                return
+            }
+            this.isMousedown = true
+            let { x, y } = this.mindMap.toPos(e.clientX, e.clientY)
+            this.mouseDownX = x
+            this.mouseDownY = y
+            this.createRect(x, y)
+        })
+        this.mindMap.on('mousemove', (e) => {
+            if (this.mindMap.opt.readonly) {
+                return
+            }
+            if (!this.isMousedown) {
+                return
+            }
+            let { x, y } = this.mindMap.toPos(e.clientX, e.clientY)
+            this.mouseMoveX = x
+            this.mouseMoveY = y
+            if (Math.abs(x - this.mouseDownX) <= 10 && Math.abs(y - this.mouseDownY) <= 10) {
+                return
+            }
+            clearTimeout(this.autoMoveTimer)
+            this.onMove(x, y)
+        })
+        this.mindMap.on('mouseup', (e) => {
+            if (this.mindMap.opt.readonly) {
+                return
+            }
+            if (!this.isMousedown) {
+                return;
+            }
+            this.mindMap.emit('node_active', null, this.mindMap.renderer.activeNodeList)
+            clearTimeout(this.autoMoveTimer)
+            this.isMousedown = false
+            if (this.rect) this.rect.remove()
+            this.rect = null
+        })
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-07-13 07:55:49 
+     * @Desc: 鼠标移动事件
+     */
+    onMove (x, y) {
+        // 绘制矩形
+        this.rect.plot([
+            [this.mouseDownX, this.mouseDownY],
+            [this.mouseMoveX, this.mouseDownY],
+            [this.mouseMoveX, this.mouseMoveY],
+            [this.mouseDownX, this.mouseMoveY]
+        ])
+        this.checkInNodes()
+        // 检测边缘移动
+        let step = this.mindMap.opt.selectTranslateStep
+        let limit = this.mindMap.opt.selectTranslateLimit
+        let count = 0
+        // 左边缘
+        if (x <= this.mindMap.elRect.left + limit) {
+            this.mouseDownX += step
+            this.mindMap.view.translateX(step)
+            count++
+        }
+        // 右边缘
+        if (x >= this.mindMap.elRect.right - limit) {
+            this.mouseDownX -= step
+            this.mindMap.view.translateX(-step)
+            count++
+        }
+        // 上边缘
+        if (y <= this.mindMap.elRect.top + limit) {
+            this.mouseDownY += step
+            this.mindMap.view.translateY(step)
+            count++
+        }
+        // 下边缘
+        if (y >= this.mindMap.elRect.bottom - limit) {
+            this.mouseDownY -= step
+            this.mindMap.view.translateY(-step)
+            count++
+        }
+        if (count > 0) {
+            this.startAutoMove(x, y)
+        }
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-07-22 08:02:23 
+     * @Desc: 开启自动移动 
+     */
+    startAutoMove(x, y) {
+        this.autoMoveTimer = setTimeout(() => {
+            this.onMove(x, y)
+        }, 20);
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-07-11 10:19:37 
+     * @Desc: 创建矩形 
+     */
+    createRect(x, y) {
+        this.rect = this.mindMap.svg.polygon().stroke({
+            color: '#0984e3'
+        }).fill({
+            color: 'rgba(9,132,227,0.3)'
+        }).plot([[x, y]])
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-07-11 10:20:43 
+     * @Desc: 检测在选区里的节点 
+     */
+    checkInNodes() {
+        let { scaleX, scaleY, translateX, translateY } = this.mindMap.draw.transform()
+        let minx = Math.min(this.mouseDownX, this.mouseMoveX)
+        let miny = Math.min(this.mouseDownY, this.mouseMoveY)
+        let maxx = Math.max(this.mouseDownX, this.mouseMoveX)
+        let maxy = Math.max(this.mouseDownY, this.mouseMoveY)
+        bfsWalk(this.mindMap.renderer.root, (node) => {
+            let { left, top, width, height } = node
+            let right = (left + width) * scaleX + translateX
+            let bottom = (top + height) * scaleY + translateY
+            left = left * scaleX + translateX
+            top = top * scaleY + translateY
+            if (
+                left >= minx &&
+                right <= maxx &&
+                top >= miny &&
+                bottom <= maxy
+            ) {
+                this.mindMap.batchExecution.push('activeNode' + node.uid, () => {
+                    if (node.nodeData.data.isActive) {
+                        return ;
+                    }
+                    this.mindMap.renderer.setNodeActive(node, true)
+                    this.mindMap.renderer.addActiveNode(node)
+                })
+            } else if (node.nodeData.data.isActive) {
+                this.mindMap.batchExecution.push('activeNode' + node.uid, () => {
+                    if (!node.nodeData.data.isActive) {
+                        return ;
+                    }
+                    this.mindMap.renderer.setNodeActive(node, false)
+                    this.mindMap.renderer.removeActiveNode(node)
+                })
+            }
+        })
+    }
+}
+
+export default Select
--- a/simple-mind-map/src/Style.js
+++ b/simple-mind-map/src/Style.js
@@ -0,0 +1,168 @@
+import { tagColorList } from './utils/constant';
+const rootProp = ['paddingX', 'paddingY']
+
+/** 
+ * @Author: 王林 
+ * @Date: 2021-04-11 10:09:08 
+ * @Desc: 样式类 
+ */
+class Style {
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-04-11 16:01:53 
+     * @Desc:  设置背景样式
+     */
+    static setBackgroundStyle(el, themeConfig) {
+        let { backgroundColor, backgroundImage, backgroundRepeat } = themeConfig
+        el.style.backgroundColor = backgroundColor
+        if (backgroundImage) {
+            el.style.backgroundImage = `url(${backgroundImage})`
+            el.style.backgroundRepeat = backgroundRepeat
+        }
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-04-11 10:10:11 
+     * @Desc: 构造函数 
+     */
+    constructor(ctx, themeConfig) {
+        this.ctx = ctx
+        this.themeConfig = themeConfig
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-07-12 07:40:14 
+     * @Desc: 更新主题配置 
+     */
+    updateThemeConfig(themeConfig) {
+        this.themeConfig = themeConfig
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-04-11 12:02:55 
+     * @Desc: 合并样式 
+     */
+    merge(prop, root, isActive) {
+        // 三级及以下节点
+        let defaultConfig = this.themeConfig.node
+        if (root || rootProp.includes(prop)) {// 直接使用最外层样式
+            defaultConfig = this.themeConfig
+        } else if (this.ctx.layerIndex === 0) {// 根节点
+            defaultConfig = this.themeConfig.root
+        } else if (this.ctx.layerIndex === 1) {// 二级节点
+            defaultConfig = this.themeConfig.second
+        }
+        // 激活状态
+        if (isActive !== undefined ? isActive : this.ctx.nodeData.data.isActive) {
+            if (this.ctx.nodeData.data.activeStyle && this.ctx.nodeData.data.activeStyle[prop] !== undefined) {
+                return this.ctx.nodeData.data.activeStyle[prop];
+            } else if (defaultConfig.active && defaultConfig.active[prop]) {
+                return defaultConfig.active[prop]
+            }
+        }
+        // 优先使用节点本身的样式
+        return this.ctx.nodeData.data[prop] !== undefined ? this.ctx.nodeData.data[prop] : defaultConfig[prop]
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-04-11 10:12:56 
+     * @Desc: 矩形 
+     */
+    rect(node) {
+        node.fill({
+            color: this.merge('fillColor')
+        }).stroke({
+            color: this.merge('borderColor'),
+            width: this.merge('borderWidth'),
+            dasharray: this.merge('borderDasharray')
+        }).radius(this.merge('borderRadius'))
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-04-11 12:07:59 
+     * @Desc: 文字 
+     */
+    text(node) {
+        node.fill({
+            color: this.merge('color')
+        }).css({
+            'font-family': this.merge('fontFamily'),
+            'font-size': this.merge('fontSize'),
+            'font-weight': this.merge('fontWeight'),
+            'font-style': this.merge('fontStyle'),
+            'text-decoration': this.merge('textDecoration')
+        })
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-04-13 08:14:34 
+     * @Desc: html文字节点 
+     */
+    domText(node, fontSizeScale = 1) {
+        node.style.fontFamily = this.merge('fontFamily')
+        node.style.fontSize = this.merge('fontSize') * fontSizeScale + 'px'
+        node.style.fontWeight = this.merge('fontWeight') || 'normal'
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-06-20 20:02:18 
+     * @Desc: 标签文字 
+     */
+    tagText(node, index) {
+        node.fill({
+            color: tagColorList[index].color
+        }).css({
+            'font-size': '12px'
+        })
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-06-20 21:04:11 
+     * @Desc: 标签矩形 
+     */
+    tagRect(node, index) {
+        node.fill({
+            color: tagColorList[index].background
+        })
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-07-03 22:37:19 
+     * @Desc: 内置图标 
+     */
+    iconNode(node) {
+        node.attr({
+            fill: this.merge('color')
+        })
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-04-11 14:50:49 
+     * @Desc: 连线 
+     */
+    line(node) {
+        node.stroke({ width: this.merge('lineWidth', true), color: this.merge('lineColor', true) }).fill({ color: 'none' })
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-04-11 20:03:59 
+     * @Desc: 按钮 
+     */
+    iconBtn(node, fillNode) {
+        node.fill({ color: '#808080' })
+        fillNode.fill({ color: '#fff' })
+    }
+}
+
+export default Style
--- a/simple-mind-map/src/TextEdit.js
+++ b/simple-mind-map/src/TextEdit.js
@@ -0,0 +1,132 @@
+import {
+    getStrWithBrFromHtml
+} from './utils'
+
+/** 
+ * javascript comment 
+ * @Author: 王林25 
+ * @Date: 2021-06-19 11:11:28 
+ * @Desc: 节点文字编辑类 
+ */
+export default class TextEdit {
+    /** 
+     * javascript comment 
+     * @Author: 王林25 
+     * @Date: 2021-06-19 11:22:57 
+     * @Desc: 构造函数 
+     */
+    constructor(renderer) {
+        this.renderer = renderer
+        this.mindMap = renderer.mindMap
+        // 文本编辑框
+        this.textEditNode = null
+        // 文本编辑框是否显示
+        this.showTextEdit = false
+        this.bindEvent()
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-04-24 13:27:04 
+     * @Desc: 事件 
+     */
+    bindEvent() {
+        this.show = this.show.bind(this)
+        // 节点双击事件
+        this.mindMap.on('node_dblclick', this.show)
+        // 点击事件
+        this.mindMap.on('draw_click', () => {
+            // 隐藏文本编辑框
+            this.hideEditTextBox()
+        })
+        // 展开收缩按钮点击事件
+        this.mindMap.on('expand_btn_click', () => {
+            this.hideEditTextBox()
+        })
+        // 节点激活前事件
+        this.mindMap.on('before_node_active', () => {
+            this.hideEditTextBox()
+        })
+        // 注册回车快捷键
+        this.mindMap.keyCommand.addShortcut('Enter', () => {
+            this.hideEditTextBox()
+        })
+        // 注册编辑快捷键
+        this.mindMap.keyCommand.addShortcut('F2', () => {
+            if (this.renderer.activeNodeList.length <= 0) {
+                return
+            }
+            this.show(this.renderer.activeNodeList[0])
+        })
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-04-13 22:15:56 
+     * @Desc: 显示文本编辑框 
+     */
+    show(node) {
+        this.showEditTextBox(node, node._textData.node.node.getBoundingClientRect())
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-04-13 22:13:02 
+     * @Desc: 显示文本编辑框 
+     */
+    showEditTextBox(node, rect) {
+        this.mindMap.emit('before_show_text_edit')
+        if (!this.textEditNode) {
+            this.textEditNode = document.createElement('div')
+            this.textEditNode.style.cssText = `position:fixed;box-sizing: border-box;background-color:#fff;box-shadow: 0 0 20px rgba(0,0,0,.5);padding: 3px 5px;margin-left: -5px;margin-top: -3px;outline: none;`
+            this.textEditNode.setAttribute('contenteditable', true)
+            document.body.appendChild(this.textEditNode)
+        }
+        node.style.domText(this.textEditNode, this.mindMap.view.scale)
+        this.textEditNode.innerHTML = node.nodeData.data.text.split(/\n/img).join('<br>')
+        this.textEditNode.style.minWidth = rect.width + 10 + 'px'
+        this.textEditNode.style.minHeight = rect.height + 6 + 'px'
+        this.textEditNode.style.left = rect.left + 'px'
+        this.textEditNode.style.top = rect.top + 'px'
+        this.textEditNode.style.display = 'block'
+        this.showTextEdit = true
+        // 选中文本
+        this.selectNodeText()
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-08-02 23:13:50 
+     * @Desc: 选中文本 
+     */
+    selectNodeText() {
+        let selection = window.getSelection()
+        let range = document.createRange()
+        range.selectNodeContents(this.textEditNode)
+        selection.removeAllRanges()
+        selection.addRange(range)
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-04-24 13:48:16 
+     * @Desc: 隐藏文本编辑框 
+     */
+    hideEditTextBox() {
+        if (!this.showTextEdit) {
+            return
+        }
+        this.renderer.activeNodeList.forEach((node) => {
+            let str = getStrWithBrFromHtml(this.textEditNode.innerHTML)
+            this.mindMap.execCommand('SET_NODE_TEXT', node, str)
+            this.mindMap.render()
+        })
+        this.mindMap.emit('hide_text_edit', this.textEditNode, this.renderer.activeNodeList)
+        this.textEditNode.style.display = 'none'
+        this.textEditNode.innerHTML = ''
+        this.textEditNode.style.fontFamily = 'inherit'
+        this.textEditNode.style.fontSize = 'inherit'
+        this.textEditNode.style.fontWeight = 'normal'
+        this.showTextEdit = false
+    }
+}
--- a/simple-mind-map/src/View.js
+++ b/simple-mind-map/src/View.js
@@ -0,0 +1,189 @@
+/** 
+ * javascript comment 
+ * @Author: 王林25 
+ * @Date: 2021-04-07 14:45:24 
+ * @Desc: 视图操作类 
+ */
+class View {
+    /** 
+     * javascript comment 
+     * @Author: 王林25 
+     * @Date: 2021-04-07 14:45:40 
+     * @Desc: 构造函数 
+     */
+    constructor(opt = {}) {
+        this.opt = opt
+        this.mindMap = this.opt.mindMap
+        this.scale = 1
+        this.sx = 0
+        this.sy = 0
+        this.x = 0
+        this.y = 0
+        this.firstDrag = true
+        this.setTransformData(this.mindMap.opt.viewData)
+        this.bind()
+    }
+
+    /** 
+     * javascript comment 
+     * @Author: 王林25 
+     * @Date: 2021-04-07 15:38:51 
+     * @Desc: 绑定 
+     */
+    bind() {
+        // 快捷键
+        this.mindMap.keyCommand.addShortcut('Control+=', () => {
+            this.enlarge()
+        })
+        this.mindMap.keyCommand.addShortcut('Control+-', () => {
+            this.narrow()
+        })
+        this.mindMap.keyCommand.addShortcut('Control+Enter', () => {
+            this.reset()
+        })
+        this.mindMap.svg.on('dblclick', () => {
+            this.reset()
+        })
+        // 拖动视图
+        this.mindMap.event.on('mousedown', () => {
+            this.sx = this.x
+            this.sy = this.y
+        })
+        this.mindMap.event.on('drag', (e, event) => {
+            if (this.firstDrag) {
+                this.firstDrag = false
+                // 清除激活节点
+                this.mindMap.execCommand('CLEAR_ACTIVE_NODE')
+            }
+            this.x = this.sx + event.mousemoveOffset.x
+            this.y = this.sy + event.mousemoveOffset.y
+            this.transform()
+        })
+        this.mindMap.event.on('mouseup', () => {
+            this.firstDrag = true
+        })
+        // 放大缩小视图
+        this.mindMap.event.on('mousewheel', (e, dir) => {
+            // // 放大
+            if (dir === 'down') {
+                this.enlarge()
+            } else { // 缩小
+                this.narrow()
+            }
+        })
+    }
+
+    /** 
+     * javascript comment 
+     * @Author: 王林25 
+     * @Date: 2021-11-22 18:30:24 
+     * @Desc: 获取当前变换状态数据 
+     */
+    getTransformData() {
+        return {
+            transform: this.mindMap.draw.transform(),
+            state: {
+                scale: this.scale,
+                x: this.x,
+                y: this.y,
+                sx: this.sx,
+                sy: this.sy
+            }
+        }
+    }
+
+    /** 
+     * javascript comment 
+     * @Author: 王林25 
+     * @Date: 2021-11-22 19:54:17 
+     * @Desc: 动态设置变换状态数据 
+     */
+    setTransformData(viewData) {
+        if (viewData) {
+            Object.keys(viewData.state).forEach((prop) => {
+                this[prop] = viewData.state[prop]
+            })
+            this.mindMap.draw.transform({
+                ...viewData.transform
+            })
+            this.mindMap.emit('view_data_change', this.getTransformData())
+            this.mindMap.emit('scale', this.scale)
+        }
+    }
+
+    /** 
+     * javascript comment 
+     * @Author: 王林25 
+     * @Date: 2021-07-13 15:49:06 
+     * @Desc: 平移x方向 
+     */
+    translateX(step) {
+        this.x += step
+        this.transform()
+    }
+
+    /** 
+     * javascript comment 
+     * @Author: 王林25 
+     * @Date: 2021-07-13 15:48:52 
+     * @Desc: 平移y方向 
+     */
+    translateY(step) {
+        this.y += step
+        this.transform()
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-07-04 17:13:14 
+     * @Desc:  应用变换
+     */
+    transform() {
+        this.mindMap.draw.transform({
+            scale: this.scale,
+            // origin: 'center center',
+            translate: [this.x, this.y],
+        })
+        this.mindMap.emit('view_data_change', this.getTransformData())
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-07-11 17:41:35 
+     * @Desc: 恢复
+     */
+    reset() {
+        this.scale = 1
+        this.x = 0
+        this.y = 0
+        this.transform()
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-07-04 17:10:34 
+     * @Desc: 缩小 
+     */
+    narrow() {
+        if (this.scale - this.mindMap.opt.scaleRatio > 0.1) {
+            this.scale -= this.mindMap.opt.scaleRatio
+        } else {
+            this.scale = 0.1
+        }
+        this.transform()
+        this.mindMap.emit('scale', this.scale)
+    }
+
+    /** 
+     * @Author: 王林 
+     * @Date: 2021-07-04 17:10:41 
+     * @Desc: 放大 
+     */
+    enlarge() {
+        this.scale += this.mindMap.opt.scaleRatio
+        this.transform()
+        this.mindMap.emit('scale', this.scale)
+    }
+}
+
+export default View
--- a/simple-mind-map/src/assets/blueSky.jpg
+++ b/simple-mind-map/src/assets/blueSky.jpg
--- a/simple-mind-map/src/assets/brainImpairedPink.jpg
+++ b/simple-mind-map/src/assets/brainImpairedPink.jpg
--- a/simple-mind-map/src/assets/catalogOrganization.jpg
+++ b/simple-mind-map/src/assets/catalogOrganization.jpg
--- a/simple-mind-map/src/assets/classic.jpg
+++ b/simple-mind-map/src/assets/classic.jpg
--- a/simple-mind-map/src/assets/classic2.jpg
+++ b/simple-mind-map/src/assets/classic2.jpg
--- a/simple-mind-map/src/assets/classic3.jpg
+++ b/simple-mind-map/src/assets/classic3.jpg
--- a/simple-mind-map/src/assets/classicBlue.jpg
+++ b/simple-mind-map/src/assets/classicBlue.jpg
--- a/simple-mind-map/src/assets/classicGreen.jpg
+++ b/simple-mind-map/src/assets/classicGreen.jpg
--- a/simple-mind-map/src/assets/dark.jpg
+++ b/simple-mind-map/src/assets/dark.jpg
--- a/simple-mind-map/src/assets/dark2.jpg
+++ b/simple-mind-map/src/assets/dark2.jpg
--- a/simple-mind-map/src/assets/default.jpg
+++ b/simple-mind-map/src/assets/default.jpg
--- a/simple-mind-map/src/assets/earthYellow.jpg
+++ b/simple-mind-map/src/assets/earthYellow.jpg
--- a/simple-mind-map/src/assets/freshGreen.jpg
+++ b/simple-mind-map/src/assets/freshGreen.jpg
--- a/simple-mind-map/src/assets/freshRed.jpg
+++ b/simple-mind-map/src/assets/freshRed.jpg
--- a/simple-mind-map/src/assets/gold.jpg
+++ b/simple-mind-map/src/assets/gold.jpg
--- a/simple-mind-map/src/assets/greenLeaf.jpg
+++ b/simple-mind-map/src/assets/greenLeaf.jpg
--- a/simple-mind-map/src/assets/logicalStructure.jpg
+++ b/simple-mind-map/src/assets/logicalStructure.jpg
--- a/simple-mind-map/src/assets/mindMap.jpg
+++ b/simple-mind-map/src/assets/mindMap.jpg
--- a/simple-mind-map/src/assets/minions.jpg
+++ b/simple-mind-map/src/assets/minions.jpg
--- a/simple-mind-map/src/assets/mint.jpg
+++ b/simple-mind-map/src/assets/mint.jpg
--- a/simple-mind-map/src/assets/organizationStructure.jpg
+++ b/simple-mind-map/src/assets/organizationStructure.jpg
--- a/simple-mind-map/src/assets/pinkGrape.jpg
+++ b/simple-mind-map/src/assets/pinkGrape.jpg
--- a/simple-mind-map/src/assets/romanticPurple.jpg
+++ b/simple-mind-map/src/assets/romanticPurple.jpg
--- a/simple-mind-map/src/assets/skyGreen.jpg
+++ b/simple-mind-map/src/assets/skyGreen.jpg
--- a/simple-mind-map/src/assets/vitalityOrange.jpg
+++ b/simple-mind-map/src/assets/vitalityOrange.jpg
--- a/simple-mind-map/src/constants/constant.js
+++ b/simple-mind-map/src/constants/constant.js
@@ -1,332 +0,0 @@
-//  标签颜色列表
-export const tagColorList = [
-  {
-    color: 'rgb(77, 65, 0)',
-    background: 'rgb(255, 244, 179)'
-  },
-  {
-    color: 'rgb(0, 50, 77)',
-    background: 'rgb(179, 229, 255)'
-  },
-  {
-    color: 'rgb(77, 0, 73)',
-    background: 'rgb(255, 179, 251)'
-  },
-  {
-    color: 'rgb(57, 77, 0)',
-    background: 'rgb(236, 255, 179)'
-  },
-  {
-    color: 'rgb(0, 77, 47)',
-    background: 'rgb(179, 255, 226)'
-  }
-]
-
-//  主题列表
-export const themeList = [
-  {
-    name: '默认',
-    value: 'default',
-    dark: false
-  },
-  {
-    name: '暗色2',
-    value: 'dark2',
-    dark: true
-  },
-  {
-    name: '天清绿',
-    value: 'skyGreen',
-    dark: false
-  },
-  {
-    name: '脑图经典2',
-    value: 'classic2',
-    dark: false
-  },
-  {
-    name: '脑图经典3',
-    value: 'classic3',
-    dark: false
-  },
-  {
-    name: '经典绿',
-    value: 'classicGreen',
-    dark: false
-  },
-  {
-    name: '经典蓝',
-    value: 'classicBlue',
-    dark: false
-  },
-  {
-    name: '天空蓝',
-    value: 'blueSky',
-    dark: false
-  },
-  {
-    name: '脑残粉',
-    value: 'brainImpairedPink',
-    dark: false
-  },
-  {
-    name: '暗色',
-    value: 'dark',
-    dark: true
-  },
-  {
-    name: '泥土黄',
-    value: 'earthYellow',
-    dark: false
-  },
-  {
-    name: '清新绿',
-    value: 'freshGreen',
-    dark: false
-  },
-  {
-    name: '清新红',
-    value: 'freshRed',
-    dark: false
-  },
-  {
-    name: '浪漫紫',
-    value: 'romanticPurple',
-    dark: false
-  },
-  {
-    name: '粉红葡萄',
-    value: 'pinkGrape',
-    dark: false
-  },
-  {
-    name: '薄荷',
-    value: 'mint',
-    dark: false
-  },
-  {
-    name: '金色vip',
-    value: 'gold',
-    dark: false
-  },
-  {
-    name: '活力橙',
-    value: 'vitalityOrange',
-    dark: false
-  },
-  {
-    name: '绿叶',
-    value: 'greenLeaf',
-    dark: false
-  },
-  {
-    name: '脑图经典',
-    value: 'classic',
-    dark: true
-  },
-  {
-    name: '脑图经典4',
-    value: 'classic4',
-    dark: false
-  },
-  {
-    name: '小黄人',
-    value: 'minions',
-    dark: false
-  },
-  {
-    name: '简约黑',
-    value: 'simpleBlack',
-    dark: false
-  },
-  {
-    name: '课程绿',
-    value: 'courseGreen',
-    dark: false
-  },
-  {
-    name: '咖啡',
-    value: 'coffee',
-    dark: false
-  },
-  {
-    name: '红色精神',
-    value: 'redSpirit',
-    dark: false
-  },
-  {
-    name: '黑色幽默',
-    value: 'blackHumour',
-    dark: true
-  },
-  {
-    name: '深夜办公室',
-    value: 'lateNightOffice',
-    dark: true
-  },
-  {
-    name: '黑金',
-    value: 'blackGold',
-    dark: true
-  },
-  {
-    name: '牛油果',
-    value: 'avocado',
-    dark: false
-  },
-  {
-    name: '秋天',
-    value: 'autumn',
-    dark: false
-  },
-  {
-    name: '橙汁',
-    value: 'orangeJuice',
-    dark: true
-  }
-]
-
-// 常量
-export const CONSTANTS = {
-  CHANGE_THEME: 'changeTheme',
-  CHANGE_LAYOUT: 'changeLayout',
-  SET_DATA: 'setData',
-  TRANSFORM_TO_NORMAL_NODE: 'transformAllNodesToNormalNode',
-  MODE: {
-    READONLY: 'readonly',
-    EDIT: 'edit'
-  },
-  LAYOUT: {
-    LOGICAL_STRUCTURE: 'logicalStructure',
-    MIND_MAP: 'mindMap',
-    ORGANIZATION_STRUCTURE: 'organizationStructure',
-    CATALOG_ORGANIZATION: 'catalogOrganization',
-    TIMELINE: 'timeline',
-    TIMELINE2: 'timeline2',
-    FISHBONE: 'fishbone',
-    VERTICAL_TIMELINE: 'verticalTimeline'
-  },
-  DIR: {
-    UP: 'up',
-    LEFT: 'left',
-    DOWN: 'down',
-    RIGHT: 'right'
-  },
-  KEY_DIR: {
-    LEFT: 'Left',
-    UP: 'Up',
-    RIGHT: 'Right',
-    DOWN: 'Down'
-  },
-  SHAPE: {
-    RECTANGLE: 'rectangle',
-    DIAMOND: 'diamond',
-    PARALLELOGRAM: 'parallelogram',
-    ROUNDED_RECTANGLE: 'roundedRectangle',
-    OCTAGONAL_RECTANGLE: 'octagonalRectangle',
-    OUTER_TRIANGULAR_RECTANGLE: 'outerTriangularRectangle',
-    INNER_TRIANGULAR_RECTANGLE: 'innerTriangularRectangle',
-    ELLIPSE: 'ellipse',
-    CIRCLE: 'circle'
-  },
-  MOUSE_WHEEL_ACTION: {
-    ZOOM: 'zoom',
-    MOVE: 'move'
-  },
-  INIT_ROOT_NODE_POSITION: {
-    LEFT: 'left',
-    TOP: 'top',
-    RIGHT: 'right',
-    BOTTOM: 'bottom',
-    CENTER: 'center'
-  },
-  LAYOUT_GROW_DIR: {
-    LEFT: 'left',
-    TOP: 'top',
-    RIGHT: 'right',
-    BOTTOM: 'bottom'
-  },
-  PASTE_TYPE: {
-    CLIP_BOARD: 'clipBoard',
-    CANVAS: 'canvas'
-  }
-}
-
-export const initRootNodePositionMap = {
-  [CONSTANTS.INIT_ROOT_NODE_POSITION.LEFT]: 0,
-  [CONSTANTS.INIT_ROOT_NODE_POSITION.TOP]: 0,
-  [CONSTANTS.INIT_ROOT_NODE_POSITION.RIGHT]: 1,
-  [CONSTANTS.INIT_ROOT_NODE_POSITION.BOTTOM]: 1,
-  [CONSTANTS.INIT_ROOT_NODE_POSITION.CENTER]: 0.5,
-}
-
-//  布局结构列表
-export const layoutList = [
-  {
-    name: '逻辑结构图',
-    value: CONSTANTS.LAYOUT.LOGICAL_STRUCTURE,
-  },
-  {
-    name: '思维导图',
-    value: CONSTANTS.LAYOUT.MIND_MAP,
-  },
-  {
-    name: '组织结构图',
-    value: CONSTANTS.LAYOUT.ORGANIZATION_STRUCTURE,
-  },
-  {
-    name: '目录组织图',
-    value: CONSTANTS.LAYOUT.CATALOG_ORGANIZATION,
-  },
-  {
-    name: '时间轴',
-    value: CONSTANTS.LAYOUT.TIMELINE,
-  },
-  {
-    name: '时间轴2',
-    value: CONSTANTS.LAYOUT.TIMELINE2,
-  },
-  {
-    name: '竖向时间轴',
-    value: CONSTANTS.LAYOUT.VERTICAL_TIMELINE,
-  },
-  {
-    name: '鱼骨图',
-    value: CONSTANTS.LAYOUT.FISHBONE,
-  }
-]
-export const layoutValueList = [
-  CONSTANTS.LAYOUT.LOGICAL_STRUCTURE,
-  CONSTANTS.LAYOUT.MIND_MAP,
-  CONSTANTS.LAYOUT.CATALOG_ORGANIZATION,
-  CONSTANTS.LAYOUT.ORGANIZATION_STRUCTURE,
-  CONSTANTS.LAYOUT.TIMELINE,
-  CONSTANTS.LAYOUT.TIMELINE2,
-  CONSTANTS.LAYOUT.VERTICAL_TIMELINE,
-  CONSTANTS.LAYOUT.FISHBONE
-]
-
-// 节点数据中非样式的字段
-export const nodeDataNoStylePropList = [
-  'text',
-  'image',
-  'imageTitle',
-  'imageSize',
-  'icon',
-  'tag',
-  'hyperlink',
-  'hyperlinkTitle',
-  'note',
-  'expand',
-  'isActive',
-  'generalization',
-  'richText',
-  'resetRichText',
-  'uid',
-  'activeStyle'
-]
-
-// 数据缓存
-export const commonCaches = {
-  measureCustomNodeContentSizeEl: null
-}
--- a/simple-mind-map/src/constants/defaultOptions.js
+++ b/simple-mind-map/src/constants/defaultOptions.js
@@ -1,126 +0,0 @@
-import { CONSTANTS } from './constant'
-
-// 默认选项配置
-export const defaultOpt = {
-  // 是否只读
-  readonly: false,
-  // 布局
-  layout: CONSTANTS.LAYOUT.LOGICAL_STRUCTURE,
-  // 如果结构为鱼骨图，那么可以通过该选项控制倾斜角度
-  fishboneDeg: 45,
-  // 主题
-  theme: 'default', // 内置主题：default（默认主题）
-  // 主题配置，会和所选择的主题进行合并
-  themeConfig: {},
-  // 放大缩小的增量比例
-  scaleRatio: 0.2,
-  // 鼠标缩放是否以鼠标当前位置为中心点，否则以画布中心点
-  mouseScaleCenterUseMousePosition: true,
-  // 最多显示几个标签
-  maxTag: 5,
-  // 导出图片时的内边距
-  exportPadding: 20,
-  // 展开收缩按钮尺寸
-  expandBtnSize: 20,
-  // 节点里图片和文字的间距
-  imgTextMargin: 5,
-  // 节点里各种文字信息的间距，如图标和文字的间距
-  textContentMargin: 2,
-  // 多选节点时鼠标移动到边缘时的画布移动偏移量
-  selectTranslateStep: 3,
-  // 多选节点时鼠标移动距边缘多少距离时开始偏移
-  selectTranslateLimit: 20,
-  // 自定义节点备注内容显示
-  customNoteContentShow: null,
-  /*
-          {
-              show(){},
-              hide(){}
-          }
-      */
-  // 是否开启节点自由拖拽
-  enableFreeDrag: false,
-  // 水印配置
-  watermarkConfig: {
-    text: '',
-    lineSpacing: 100,
-    textSpacing: 100,
-    angle: 30,
-    textStyle: {
-      color: '#999',
-      opacity: 0.5,
-      fontSize: 14
-    }
-  },
-  // 达到该宽度文本自动换行
-  textAutoWrapWidth: 500,
-  // 自定义鼠标滚轮事件处理
-  // 可以传一个函数，回调参数为事件对象
-  customHandleMousewheel: null,
-  // 鼠标滚动的行为，如果customHandleMousewheel传了自定义函数，这个属性不生效
-  mousewheelAction: CONSTANTS.MOUSE_WHEEL_ACTION.ZOOM, // zoom（放大缩小）、move（上下移动）
-  // 当mousewheelAction设为move时，可以通过该属性控制鼠标滚动一下视图移动的步长，单位px
-  mousewheelMoveStep: 100,
-  // 当mousewheelAction设为zoom时，默认向前滚动是缩小，向后滚动是放大，如果该属性设为true，那么会反过来
-  mousewheelZoomActionReverse: false,
-  // 默认插入的二级节点的文字
-  defaultInsertSecondLevelNodeText: '二级节点',
-  // 默认插入的二级以下节点的文字
-  defaultInsertBelowSecondLevelNodeText: '分支主题',
-  // 展开收起按钮的颜色
-  expandBtnStyle: {
-    color: '#808080',
-    fill: '#fff'
-  },
-  // 自定义展开收起按钮的图标
-  expandBtnIcon: {
-    open: '', // svg字符串
-    close: ''
-  },
-  // 是否只有当鼠标在画布内才响应快捷键事件
-  enableShortcutOnlyWhenMouseInSvg: true,
-  // 初始根节点的位置
-  initRootNodePosition: null,
-  // 导出png、svg、pdf时的图形内边距
-  exportPaddingX: 10,
-  exportPaddingY: 10,
-  // 节点文本编辑框的z-index
-  nodeTextEditZIndex: 3000,
-  // 节点备注浮层的z-index
-  nodeNoteTooltipZIndex: 3000,
-  // 是否在点击了画布外的区域时结束节点文本的编辑状态
-  isEndNodeTextEditOnClickOuter: true,
-  // 最大历史记录数
-  maxHistoryCount: 1000,
-  // 是否一直显示节点的展开收起按钮，默认为鼠标移上去和激活时才显示
-  alwaysShowExpandBtn: false,
-  // 扩展节点可插入的图标
-  iconList: [
-    // {
-    //   name: '',// 分组名称
-    //   type: '',// 分组的值
-    //   list: [// 分组下的图标列表
-    //     {
-    //       name: '',// 图标名称
-    //       icon:''// 图标，可以传svg或图片
-    //     }
-    //   ]
-    // }
-  ],
-  // 节点最大缓存数量
-  maxNodeCacheCount: 1000,
-  // 关联线默认文字
-  defaultAssociativeLineText: '关联',
-  // 思维导图适应画布大小时的内边距
-  fitPadding: 50,
-  // 是否开启按住ctrl键多选节点功能
-  enableCtrlKeyNodeSelection: true,
-  // 设置为左键多选节点，右键拖动画布
-  useLeftKeySelectionRightKeyDrag: false,
-  // 节点即将进入编辑前的回调方法，如果该方法返回true以外的值，那么将取消编辑，函数可以返回一个值，或一个Promise，回调参数为节点实例
-  beforeTextEdit: null,
-  // 是否开启自定义节点内容
-  isUseCustomNodeContent: false,
-  // 自定义返回节点内容的方法
-  customCreateNodeContent: null
-}
--- a/simple-mind-map/src/core/command/Command.js
+++ b/simple-mind-map/src/core/command/Command.js
@@ -1,154 +0,0 @@
-import { copyRenderTree, simpleDeepClone, nextTick } from '../../utils'
-
-//  命令类
-class Command {
-  //  构造函数
-  constructor(opt = {}) {
-    this.opt = opt
-    this.mindMap = opt.mindMap
-    this.commands = {}
-    this.history = []
-    this.activeHistoryIndex = 0
-    // 注册快捷键
-    this.registerShortcutKeys()
-    this.addHistory = nextTick(this.addHistory, this)
-  }
-
-  //  清空历史数据
-  clearHistory() {
-    this.history = []
-    this.activeHistoryIndex = 0
-    this.mindMap.emit('back_forward', 0, 0)
-  }
-
-  //  注册快捷键
-  registerShortcutKeys() {
-    this.mindMap.keyCommand.addShortcut('Control+z', () => {
-      this.mindMap.execCommand('BACK')
-    })
-    this.mindMap.keyCommand.addShortcut('Control+y', () => {
-      this.mindMap.execCommand('FORWARD')
-    })
-  }
-
-  //  执行命令
-  exec(name, ...args) {
-    if (this.commands[name]) {
-      this.commands[name].forEach(fn => {
-        fn(...args)
-      })
-      if (['BACK', 'FORWARD', 'SET_NODE_ACTIVE', 'CLEAR_ACTIVE_NODE'].includes(name)) {
-        return
-      }
-      this.addHistory()
-    }
-  }
-
-  //  添加命令
-  add(name, fn) {
-    if (this.commands[name]) {
-      this.commands[name].push(fn)
-    } else {
-      this.commands[name] = [fn]
-    }
-  }
-
-  //  移除命令
-  remove(name, fn) {
-    if (!this.commands[name]) {
-      return
-    }
-    if (!fn) {
-      this.commands[name] = []
-      delete this.commands[name]
-    } else {
-      let index = this.commands[name].find(item => {
-        return item === fn
-      })
-      if (index !== -1) {
-        this.commands[name].splice(index, 1)
-      }
-    }
-  }
-
-  //  添加回退数据
-  addHistory() {
-    if (this.mindMap.opt.readonly) {
-      return
-    }
-    let data = this.getCopyData()
-    // 此次数据和上次一样则不重复添加
-    if (this.history.length > 0 && JSON.stringify(this.history[this.history.length - 1]) === JSON.stringify(data)) {
-      return
-    }
-    // 删除当前历史指针后面的数据
-    this.history = this.history.slice(0, this.activeHistoryIndex + 1)
-    this.history.push(simpleDeepClone(data))
-    // 历史记录数超过最大数量
-    if (this.history.length > this.mindMap.opt.maxHistoryCount) {
-      this.history.shift()
-    }
-    this.activeHistoryIndex = this.history.length - 1
-    this.mindMap.emit('data_change', data)
-    this.mindMap.emit(
-      'back_forward',
-      this.activeHistoryIndex,
-      this.history.length
-    )
-  }
-
-  //  回退
-  back(step = 1) {
-    if (this.mindMap.opt.readonly) {
-      return
-    }
-    if (this.activeHistoryIndex - step >= 0) {
-      this.activeHistoryIndex -= step
-      this.mindMap.emit(
-        'back_forward',
-        this.activeHistoryIndex,
-        this.history.length
-      )
-      let data = simpleDeepClone(this.history[this.activeHistoryIndex])
-      this.mindMap.emit('data_change', data)
-      return data
-    }
-  }
-
-  //  前进
-  forward(step = 1) {
-    if (this.mindMap.opt.readonly) {
-      return
-    }
-    let len = this.history.length
-    if (this.activeHistoryIndex + step <= len - 1) {
-      this.activeHistoryIndex += step
-      this.mindMap.emit('back_forward', this.activeHistoryIndex, this.history.length)
-      let data = simpleDeepClone(this.history[this.activeHistoryIndex])
-      this.mindMap.emit('data_change', data)
-      return data
-    }
-  }
-
-  //  获取渲染树数据副本
-  getCopyData() {
-    return copyRenderTree({}, this.mindMap.renderer.renderTree, true)
-  }
-
-  // 移除节点数据中的uid
-  removeDataUid(data) {
-    data = simpleDeepClone(data)
-    let walk = (root) => {
-      delete root.data.uid
-      if (root.children && root.children.length > 0) {
-        root.children.forEach((item) => {
-          walk(item)
-        })
-      }
-    }
-    walk(data)
-    return data
-  }
-}
-
-export default Command
--- a/simple-mind-map/src/core/command/KeyCommand.js
+++ b/simple-mind-map/src/core/command/KeyCommand.js
@@ -1,164 +0,0 @@
-import { keyMap } from './keyMap'
-//  快捷按键、命令处理类
-export default class KeyCommand {
-  //  构造函数
-  constructor(opt) {
-    this.opt = opt
-    this.mindMap = opt.mindMap
-    this.shortcutMap = {
-      //Enter: [fn]
-    }
-    this.shortcutMapCache = {}
-    this.isPause = false
-    this.isInSvg = false
-    this.bindEvent()
-  }
-
-  //  暂停快捷键响应
-  pause() {
-    this.isPause = true
-  }
-
-  //  恢复快捷键响应
-  recovery() {
-    this.isPause = false
-  }
-
-  //  保存当前注册的快捷键数据，然后清空快捷键数据
-  save() {
-    this.shortcutMapCache = this.shortcutMap
-    this.shortcutMap = {}
-  }
-
-  //  恢复保存的快捷键数据，然后清空缓存数据
-  restore() {
-    this.shortcutMap = this.shortcutMapCache
-    this.shortcutMapCache = {}
-  }
-
-  //  绑定事件
-  bindEvent() {
-    // 只有当鼠标在画布内才响应快捷键
-    this.mindMap.on('svg_mouseenter', () => {
-      this.isInSvg = true
-    })
-    this.mindMap.on('svg_mouseleave', () => {
-      if (this.mindMap.richText && this.mindMap.richText.showTextEdit) {
-        return
-      }
-      if (this.mindMap.renderer.textEdit.showTextEdit || (this.mindMap.associativeLine && this.mindMap.associativeLine.showTextEdit)) {
-        return
-      }
-      this.isInSvg = false
-    })
-    window.addEventListener('keydown', e => {
-      if (this.isPause || (this.mindMap.opt.enableShortcutOnlyWhenMouseInSvg && !this.isInSvg)) {
-        return
-      }
-      Object.keys(this.shortcutMap).forEach(key => {
-        if (this.checkKey(e, key)) {
-          // 粘贴事件不组织，因为要监听paste事件
-          if (!this.checkKey(e, 'Control+v')) {
-            e.stopPropagation()
-            e.preventDefault()
-          }
-          this.shortcutMap[key].forEach(fn => {
-            fn()
-          })
-        }
-      })
-    })
-  }
-
-  //  检查键值是否符合
-  checkKey(e, key) {
-    let o = this.getOriginEventCodeArr(e)
-    let k = this.getKeyCodeArr(key)
-    if (o.length !== k.length) {
-      return false
-    }
-    for (let i = 0; i < o.length; i++) {
-      let index = k.findIndex(item => {
-        return item === o[i]
-      })
-      if (index === -1) {
-        return false
-      } else {
-        k.splice(index, 1)
-      }
-    }
-    return true
-  }
-
-  //  获取事件对象里的键值数组
-  getOriginEventCodeArr(e) {
-    let arr = []
-    if (e.ctrlKey || e.metaKey) {
-      arr.push(keyMap['Control'])
-    }
-    if (e.altKey) {
-      arr.push(keyMap['Alt'])
-    }
-    if (e.shiftKey) {
-      arr.push(keyMap['Shift'])
-    }
-    if (!arr.includes(e.keyCode)) {
-      arr.push(e.keyCode)
-    }
-    return arr
-  }
-
-  //  获取快捷键对应的键值数组
-  getKeyCodeArr(key) {
-    let keyArr = key.split(/\s*\+\s*/)
-    let arr = []
-    keyArr.forEach(item => {
-      arr.push(keyMap[item])
-    })
-    return arr
-  }
-
-  //  添加快捷键命令
-  /**
-   * Enter
-   * Tab | Insert
-   * Shift + a
-   */
-  addShortcut(key, fn) {
-    key.split(/\s*\|\s*/).forEach(item => {
-      if (this.shortcutMap[item]) {
-        this.shortcutMap[item].push(fn)
-      } else {
-        this.shortcutMap[item] = [fn]
-      }
-    })
-  }
-
-  //  移除快捷键命令
-  removeShortcut(key, fn) {
-    key.split(/\s*\|\s*/).forEach(item => {
-      if (this.shortcutMap[item]) {
-        if (fn) {
-          let index = this.shortcutMap[item].findIndex(f => {
-            return f === fn
-          })
-          if (index !== -1) {
-            this.shortcutMap[item].splice(index, 1)
-          }
-        } else {
-          this.shortcutMap[item] = []
-          delete this.shortcutMap[item]
-        }
-      }
-    })
-  }
-
-  //  获取指定快捷键的处理函数
-  getShortcutFn(key) {
-    let res = []
-    key.split(/\s*\|\s*/).forEach(item => {
-      res = this.shortcutMap[item] || []
-    })
-    return res
-  }
-}
--- a/simple-mind-map/src/core/command/keyMap.js
+++ b/simple-mind-map/src/core/command/keyMap.js
@@ -1,69 +0,0 @@
-const map = {
-  Backspace: 8,
-  Tab: 9,
-  Enter: 13,
-
-  Shift: 16,
-  Control: 17,
-  Alt: 18,
-  CapsLock: 20,
-
-  Esc: 27,
-
-  Spacebar: 32,
-
-  PageUp: 33,
-  PageDown: 34,
-  End: 35,
-  Home: 36,
-
-  Insert: 45,
-
-  Left: 37,
-  Up: 38,
-  Right: 39,
-  Down: 40,
-
-  Del: 46,
-
-  NumLock: 144,
-
-  Cmd: 91,
-  CmdFF: 224,
-  F1: 112,
-  F2: 113,
-  F3: 114,
-  F4: 115,
-  F5: 116,
-  F6: 117,
-  F7: 118,
-  F8: 119,
-  F9: 120,
-  F10: 121,
-  F11: 122,
-  F12: 123,
-
-  '`': 192,
-  '=': 187,
-  '-': 189,
-
-  '/': 191,
-  '.': 190
-}
-
-// 数字
-for (let i = 0; i <= 9; i++) {
-  map[i] = i + 48
-}
-
-// 字母
-'abcdefghijklmnopqrstuvwxyz'.split('').forEach((n, index) => {
-  map[n] = index + 65
-})
-
-export const keyMap = map
-
-export const isKey = (e, key) => {
-  let code = typeof e === 'object' ? e.keyCode : e
-  return map[key] === code
-}
--- a/simple-mind-map/src/core/event/Event.js
+++ b/simple-mind-map/src/core/event/Event.js
@@ -1,174 +0,0 @@
-import EventEmitter from 'eventemitter3'
-import { CONSTANTS } from '../../constants/constant'
-
-//  事件类
-class Event extends EventEmitter {
-  //  构造函数
-  constructor(opt = {}) {
-    super()
-    this.opt = opt
-    this.mindMap = opt.mindMap
-    this.isLeftMousedown = false
-    this.isRightMousedown = false
-    this.mousedownPos = {
-      x: 0,
-      y: 0
-    }
-    this.mousemovePos = {
-      x: 0,
-      y: 0
-    }
-    this.mousemoveOffset = {
-      x: 0,
-      y: 0
-    }
-    this.bindFn()
-    this.bind()
-  }
-
-  //  绑定函数上下文
-  bindFn() {
-    this.onBodyClick = this.onBodyClick.bind(this)
-    this.onDrawClick = this.onDrawClick.bind(this)
-    this.onMousedown = this.onMousedown.bind(this)
-    this.onMousemove = this.onMousemove.bind(this)
-    this.onMouseup = this.onMouseup.bind(this)
-    this.onMousewheel = this.onMousewheel.bind(this)
-    this.onContextmenu = this.onContextmenu.bind(this)
-    this.onSvgMousedown = this.onSvgMousedown.bind(this)
-    this.onKeyup = this.onKeyup.bind(this)
-    this.onMouseenter = this.onMouseenter.bind(this)
-    this.onMouseleave = this.onMouseleave.bind(this)
-  }
-
-  //  绑定事件
-  bind() {
-    document.body.addEventListener('click', this.onBodyClick)
-    this.mindMap.svg.on('click', this.onDrawClick)
-    this.mindMap.el.addEventListener('mousedown', this.onMousedown)
-    this.mindMap.svg.on('mousedown', this.onSvgMousedown)
-    window.addEventListener('mousemove', this.onMousemove)
-    window.addEventListener('mouseup', this.onMouseup)
-    this.mindMap.el.addEventListener('wheel', this.onMousewheel)
-    this.mindMap.svg.on('contextmenu', this.onContextmenu)
-    this.mindMap.svg.on('mouseenter', this.onMouseenter)
-    this.mindMap.svg.on('mouseleave', this.onMouseleave)
-    window.addEventListener('keyup', this.onKeyup)
-  }
-
-  //  解绑事件
-  unbind() {
-    document.body.removeEventListener('click', this.onBodyClick)
-    this.mindMap.svg.off('click', this.onDrawClick)
-    this.mindMap.el.removeEventListener('mousedown', this.onMousedown)
-    window.removeEventListener('mousemove', this.onMousemove)
-    window.removeEventListener('mouseup', this.onMouseup)
-    this.mindMap.el.removeEventListener('wheel', this.onMousewheel)
-    this.mindMap.svg.off('contextmenu', this.onContextmenu)
-    this.mindMap.svg.off('mouseenter', this.onMouseenter)
-    this.mindMap.svg.off('mouseleave', this.onMouseleave)
-    window.removeEventListener('keyup', this.onKeyup)
-  }
-
-  //   画布的单击事件
-  onDrawClick(e) {
-    this.emit('draw_click', e)
-  }
-
-  // 页面的单击事件
-  onBodyClick(e) {
-    this.emit('body_click', e)
-  }
-
-  //   svg画布的鼠标按下事件
-  onSvgMousedown(e) {
-    this.emit('svg_mousedown', e)
-  }
-
-  //  鼠标按下事件
-  onMousedown(e) {
-    // 鼠标左键
-    if (e.which === 1) {
-      this.isLeftMousedown = true
-    } else if (e.which === 3) {
-      this.isRightMousedown = true
-    }
-    this.mousedownPos.x = e.clientX
-    this.mousedownPos.y = e.clientY
-    this.emit('mousedown', e, this)
-  }
-
-  //  鼠标移动事件
-  onMousemove(e) {
-    let { useLeftKeySelectionRightKeyDrag } = this.mindMap.opt
-    this.mousemovePos.x = e.clientX
-    this.mousemovePos.y = e.clientY
-    this.mousemoveOffset.x = e.clientX - this.mousedownPos.x
-    this.mousemoveOffset.y = e.clientY - this.mousedownPos.y
-    this.emit('mousemove', e, this)
-    if (
-      useLeftKeySelectionRightKeyDrag
-        ? this.isRightMousedown
-        : this.isLeftMousedown
-    ) {
-      e.preventDefault()
-      this.emit('drag', e, this)
-    }
-  }
-
-  //  鼠标松开事件
-  onMouseup(e) {
-    this.isLeftMousedown = false
-    this.isRightMousedown = false
-    this.emit('mouseup', e, this)
-  }
-
-  //  鼠标滚动
-  onMousewheel(e) {
-    e.stopPropagation()
-    e.preventDefault()
-    let dir
-    // 解决mac触控板双指缩放方向相反的问题
-    if (e.ctrlKey) {
-      if (e.deltaY > 0) dir = CONSTANTS.DIR.UP
-      if (e.deltaY < 0) dir = CONSTANTS.DIR.DOWN
-      if (e.deltaX > 0) dir = CONSTANTS.DIR.LEFT
-      if (e.deltaX < 0) dir = CONSTANTS.DIR.RIGHT
-    } else {
-      if ((e.wheelDeltaY || e.detail) > 0) dir = CONSTANTS.DIR.UP
-      if ((e.wheelDeltaY || e.detail) < 0) dir = CONSTANTS.DIR.DOWN
-      if ((e.wheelDeltaX || e.detail) > 0) dir = CONSTANTS.DIR.LEFT
-      if ((e.wheelDeltaX || e.detail) < 0) dir = CONSTANTS.DIR.RIGHT
-    }
-    // 判断是否是触控板
-    let isTouchPad = false
-    // mac、windows
-    if (e.wheelDeltaY === e.deltaY * -3 || Math.abs(e.wheelDeltaY) <= 10) {
-      isTouchPad = true
-    }
-    this.emit('mousewheel', e, dir, this, isTouchPad)
-  }
-
-  //  鼠标右键菜单事件
-  onContextmenu(e) {
-    e.preventDefault()
-    this.emit('contextmenu', e)
-  }
-
-  //  按键松开事件
-  onKeyup(e) {
-    this.emit('keyup', e)
-  }
-
-  // 进入
-  onMouseenter(e) {
-    this.emit('svg_mouseenter', e)
-  }
-
-  // 离开
-  onMouseleave(e) {
-    this.emit('svg_mouseleave', e)
-  }
-}
-
-export default Event
--- a/simple-mind-map/src/core/render/Render.js
+++ b/simple-mind-map/src/core/render/Render.js
--- a/simple-mind-map/src/core/render/TextEdit.js
+++ b/simple-mind-map/src/core/render/TextEdit.js
@@ -1,247 +0,0 @@
-import { getStrWithBrFromHtml, checkNodeOuter } from '../../utils'
-
-//  节点文字编辑类
-export default class TextEdit {
-  //  构造函数
-  constructor(renderer) {
-    this.renderer = renderer
-    this.mindMap = renderer.mindMap
-    // 当前编辑的节点
-    this.currentNode = null
-    // 文本编辑框
-    this.textEditNode = null
-    // 隐藏的文本输入框
-    this.hiddenInputEl = null
-    // 文本编辑框是否显示
-    this.showTextEdit = false
-    // 如果编辑过程中缩放画布了，那么缓存当前编辑的内容
-    this.cacheEditingText = ''
-    this.bindEvent()
-    this.createHiddenInput()
-  }
-
-  //  事件
-  bindEvent() {
-    this.show = this.show.bind(this)
-    this.onScale = this.onScale.bind(this)
-    // 节点双击事件
-    this.mindMap.on('node_dblclick', this.show)
-    // 点击事件
-    this.mindMap.on('draw_click', () => {
-      // 隐藏文本编辑框
-      this.hideEditTextBox()
-    })
-    this.mindMap.on('body_click', () => {
-      // 隐藏文本编辑框
-      if (this.mindMap.opt.isEndNodeTextEditOnClickOuter) {
-        this.hideEditTextBox()
-      }
-    })
-    this.mindMap.on('svg_mousedown', () => {
-      // 隐藏文本编辑框
-      this.hideEditTextBox()
-    })
-    // 展开收缩按钮点击事件
-    this.mindMap.on('expand_btn_click', () => {
-      this.hideEditTextBox()
-    })
-    // 节点激活前事件
-    this.mindMap.on('before_node_active', () => {
-      this.hideEditTextBox()
-    })
-    // 节点激活事件
-    this.mindMap.on('node_active', () => {
-      this.focusHiddenInput()
-    })
-    // 注册编辑快捷键
-    this.mindMap.keyCommand.addShortcut('F2', () => {
-      if (this.renderer.activeNodeList.length <= 0) {
-        return
-      }
-      this.show(this.renderer.activeNodeList[0])
-    })
-    this.mindMap.on('scale', this.onScale)
-  }
-
-  // 创建一个隐藏的文本输入框
-  createHiddenInput() {
-    if (this.hiddenInputEl) return
-    this.hiddenInputEl = document.createElement('input')
-    this.hiddenInputEl.type = 'text'
-    this.hiddenInputEl.style.cssText = `
-      position: fixed;
-      left: -99999px;
-      top: -99999px;
-    `
-    // 监听粘贴事件
-    this.hiddenInputEl.addEventListener('paste', async event => {
-      event.preventDefault()
-      const text = (event.clipboardData || window.clipboardData).getData('text')
-      const files = event.clipboardData.files
-      let img = null
-      if (files.length > 0) {
-        for (let i = 0; i < files.length; i++) {
-          if (/^image\//.test(files[i].type)) {
-            img = files[i]
-            break
-          }
-        }
-      }
-      this.mindMap.emit('paste', {
-        text,
-        img
-      })
-    })
-    document.body.appendChild(this.hiddenInputEl)
-  }
-
-  // 让隐藏的文本输入框聚焦
-  focusHiddenInput() {
-    if (this.hiddenInputEl) this.hiddenInputEl.focus()
-  }
-
-  //  注册临时快捷键
-  registerTmpShortcut() {
-    // 注册回车快捷键
-    this.mindMap.keyCommand.addShortcut('Enter', () => {
-      this.hideEditTextBox()
-    })
-    this.mindMap.keyCommand.addShortcut('Tab', () => {
-      this.hideEditTextBox()
-    })
-  }
-
-  //  显示文本编辑框
-  // isInserting：是否是刚创建的节点
-  async show(node, e, isInserting = false) {
-    // 使用了自定义节点内容那么不响应编辑事件
-    if (node.isUseCustomNodeContent()) {
-      return
-    }
-    let { beforeTextEdit } = this.mindMap.opt
-    if (typeof beforeTextEdit === 'function') {
-      let isShow = false
-      try {
-        isShow = await beforeTextEdit(node, isInserting)
-      } catch (error) {
-        isShow = false
-      }
-      if (!isShow) return
-    }
-    this.currentNode = node
-    let { offsetLeft, offsetTop } = checkNodeOuter(this.mindMap, node)
-    this.mindMap.view.translateXY(offsetLeft, offsetTop)
-    let rect = node._textData.node.node.getBoundingClientRect()
-    if (this.mindMap.richText) {
-      this.mindMap.richText.showEditText(node, rect, isInserting)
-      return
-    }
-    this.showEditTextBox(node, rect)
-  }
-
-  // 处理画布缩放
-  onScale() {
-    if (!this.currentNode) return
-    if (this.mindMap.richText) {
-      this.mindMap.richText.cacheEditingText =
-        this.mindMap.richText.getEditText()
-      this.mindMap.richText.showTextEdit = false
-    } else {
-      this.cacheEditingText = this.getEditText()
-      this.showTextEdit = false
-    }
-    this.show(this.currentNode)
-  }
-
-  //  显示文本编辑框
-  showEditTextBox(node, rect) {
-    this.mindMap.emit('before_show_text_edit')
-    this.registerTmpShortcut()
-    if (!this.textEditNode) {
-      this.textEditNode = document.createElement('div')
-      this.textEditNode.style.cssText = `position:fixed;box-sizing: border-box;background-color:#fff;box-shadow: 0 0 20px rgba(0,0,0,.5);padding: 3px 5px;margin-left: -5px;margin-top: -3px;outline: none; word-break: break-all;`
-      this.textEditNode.setAttribute('contenteditable', true)
-      this.textEditNode.addEventListener('keyup', e => {
-        e.stopPropagation()
-      })
-      this.textEditNode.addEventListener('click', e => {
-        e.stopPropagation()
-      })
-      document.body.appendChild(this.textEditNode)
-    }
-    let scale = this.mindMap.view.scale
-    let lineHeight = node.style.merge('lineHeight')
-    let fontSize = node.style.merge('fontSize')
-    let textLines = (this.cacheEditingText || node.nodeData.data.text).split(
-      /\n/gim
-    )
-    let isMultiLine = node._textData.node.attr('data-ismultiLine') === 'true'
-    node.style.domText(this.textEditNode, scale, isMultiLine)
-    this.textEditNode.style.zIndex = this.mindMap.opt.nodeTextEditZIndex
-    this.textEditNode.innerHTML = textLines.join('<br>')
-    this.textEditNode.style.minWidth = rect.width + 10 + 'px'
-    this.textEditNode.style.minHeight = rect.height + 6 + 'px'
-    this.textEditNode.style.left = rect.left + 'px'
-    this.textEditNode.style.top = rect.top + 'px'
-    this.textEditNode.style.display = 'block'
-    this.textEditNode.style.maxWidth =
-      this.mindMap.opt.textAutoWrapWidth * scale + 'px'
-    if (isMultiLine && lineHeight !== 1) {
-      this.textEditNode.style.transform = `translateY(${
-        -((lineHeight * fontSize - fontSize) / 2) * scale
-      }px)`
-    }
-    this.showTextEdit = true
-    // 选中文本
-    if (!this.cacheEditingText) {
-      this.selectNodeText()
-    }
-    this.cacheEditingText = ''
-  }
-
-  //  选中文本
-  selectNodeText() {
-    let selection = window.getSelection()
-    let range = document.createRange()
-    range.selectNodeContents(this.textEditNode)
-    selection.removeAllRanges()
-    selection.addRange(range)
-  }
-
-  // 获取当前正在编辑的内容
-  getEditText() {
-    return getStrWithBrFromHtml(this.textEditNode.innerHTML)
-  }
-
-  //  隐藏文本编辑框
-  hideEditTextBox() {
-    this.currentNode = null
-    if (this.mindMap.richText) {
-      return this.mindMap.richText.hideEditText()
-    }
-    if (!this.showTextEdit) {
-      return
-    }
-    this.renderer.activeNodeList.forEach(node => {
-      let str = this.getEditText()
-      this.mindMap.execCommand('SET_NODE_TEXT', node, str)
-      if (node.isGeneralization) {
-        // 概要节点
-        node.generalizationBelongNode.updateGeneralization()
-      }
-      this.mindMap.render()
-    })
-    this.mindMap.emit(
-      'hide_text_edit',
-      this.textEditNode,
-      this.renderer.activeNodeList
-    )
-    this.textEditNode.style.display = 'none'
-    this.textEditNode.innerHTML = ''
-    this.textEditNode.style.fontFamily = 'inherit'
-    this.textEditNode.style.fontSize = 'inherit'
-    this.textEditNode.style.fontWeight = 'normal'
-    this.textEditNode.style.transform = 'translateY(0)'
-    this.showTextEdit = false
-  }
-}
--- a/simple-mind-map/src/core/render/node/Node.js
+++ b/simple-mind-map/src/core/render/node/Node.js
@@ -1,834 +0,0 @@
-import Style from './Style'
-import Shape from './Shape'
-import { asyncRun, nodeToHTML } from '../../../utils'
-import { G, Rect, ForeignObject, SVG } from '@svgdotjs/svg.js'
-import nodeGeneralizationMethods from './nodeGeneralization'
-import nodeExpandBtnMethods from './nodeExpandBtn'
-import nodeCommandWrapsMethods from './nodeCommandWraps'
-import nodeCreateContentsMethods from './nodeCreateContents'
-import { CONSTANTS } from '../../../constants/constant'
-
-//  节点类
-class Node {
-  //  构造函数
-  constructor(opt = {}) {
-    // 节点数据
-    this.nodeData = this.handleData(opt.data || {})
-    // id
-    this.uid = opt.uid
-    // 控制实例
-    this.mindMap = opt.mindMap
-    // 渲染实例
-    this.renderer = opt.renderer
-    // 渲染器
-    this.draw = opt.draw || null
-    // 样式实例
-    this.style = new Style(this)
-    // 形状实例
-    this.shapeInstance = new Shape(this)
-    this.shapePadding = {
-      paddingX: 0,
-      paddingY: 0
-    }
-    // 是否是根节点
-    this.isRoot = opt.isRoot === undefined ? false : opt.isRoot
-    // 是否是概要节点
-    this.isGeneralization =
-      opt.isGeneralization === undefined ? false : opt.isGeneralization
-    this.generalizationBelongNode = null
-    // 节点层级
-    this.layerIndex = opt.layerIndex === undefined ? 0 : opt.layerIndex
-    // 节点宽
-    this.width = opt.width || 0
-    // 节点高
-    this.height = opt.height || 0
-    // left
-    this._left = opt.left || 0
-    // top
-    this._top = opt.top || 0
-    // 自定义位置
-    this.customLeft = opt.data.data.customLeft || undefined
-    this.customTop = opt.data.data.customTop || undefined
-    // 是否正在拖拽中
-    this.isDrag = false
-    // 父节点
-    this.parent = opt.parent || null
-    // 子节点
-    this.children = opt.children || []
-    // 节点内容的容器
-    this.group = null
-    this.shapeNode = null // 节点形状节点
-    // 节点内容对象
-    this._customNodeContent = null
-    this._imgData = null
-    this._iconData = null
-    this._textData = null
-    this._hyperlinkData = null
-    this._tagData = null
-    this._noteData = null
-    this.noteEl = null
-    this._expandBtn = null
-    this._lastExpandBtnType = null
-    this._showExpandBtn = false
-    this._openExpandNode = null
-    this._closeExpandNode = null
-    this._fillExpandNode = null
-    this._lines = []
-    this._generalizationLine = null
-    this._generalizationNode = null
-    this._unVisibleRectRegionNode = null
-    this._isMouseenter = false
-    // 尺寸信息
-    this._rectInfo = {
-      imgContentWidth: 0,
-      imgContentHeight: 0,
-      textContentWidth: 0,
-      textContentHeight: 0
-    }
-    // 概要节点的宽高
-    this._generalizationNodeWidth = 0
-    this._generalizationNodeHeight = 0
-    // 各种文字信息的间距
-    this.textContentItemMargin = this.mindMap.opt.textContentMargin
-    // 图片和文字节点的间距
-    this.blockContentMargin = this.mindMap.opt.imgTextMargin
-    // 展开收缩按钮尺寸
-    this.expandBtnSize = this.mindMap.opt.expandBtnSize
-    // 是否是多选节点
-    this.isMultipleChoice = false
-    // 是否需要重新layout
-    this.needLayout = false
-    // 概要相关方法
-    Object.keys(nodeGeneralizationMethods).forEach(item => {
-      this[item] = nodeGeneralizationMethods[item].bind(this)
-    })
-    // 展开收起按钮相关方法
-    Object.keys(nodeExpandBtnMethods).forEach(item => {
-      this[item] = nodeExpandBtnMethods[item].bind(this)
-    })
-    // 命令的相关方法
-    Object.keys(nodeCommandWrapsMethods).forEach(item => {
-      this[item] = nodeCommandWrapsMethods[item].bind(this)
-    })
-    // 创建节点内容的相关方法
-    Object.keys(nodeCreateContentsMethods).forEach(item => {
-      this[item] = nodeCreateContentsMethods[item].bind(this)
-    })
-    // 初始化
-    this.getSize()
-  }
-
-  // 支持自定义位置
-  get left() {
-    return this.customLeft || this._left
-  }
-
-  set left(val) {
-    this._left = val
-  }
-
-  get top() {
-    return this.customTop || this._top
-  }
-
-  set top(val) {
-    this._top = val
-  }
-
-  //  复位部分布局时会重新设置的数据
-  reset() {
-    this.children = []
-    this.parent = null
-    this.isRoot = false
-    this.layerIndex = 0
-    this.left = 0
-    this.top = 0
-  }
-
-  //  处理数据
-  handleData(data) {
-    data.data.expand = data.data.expand === false ? false : true
-    data.data.isActive = data.data.isActive === true ? true : false
-    data.children = data.children || []
-    return data
-  }
-
-  //  创建节点的各个内容对象数据
-  createNodeData() {
-    // 自定义节点内容
-    let { isUseCustomNodeContent, customCreateNodeContent } = this.mindMap.opt
-    if (isUseCustomNodeContent && customCreateNodeContent) {
-      this._customNodeContent = customCreateNodeContent(this)
-    }
-    // 如果没有返回内容，那么还是使用内置的节点内容
-    if (this._customNodeContent) return
-    this._imgData = this.createImgNode()
-    this._iconData = this.createIconNode()
-    this._textData = this.createTextNode()
-    this._hyperlinkData = this.createHyperlinkNode()
-    this._tagData = this.createTagNode()
-    this._noteData = this.createNoteNode()
-  }
-
-  //  计算节点的宽高
-  getSize() {
-    this.updateGeneralization()
-    this.createNodeData()
-    let { width, height } = this.getNodeRect()
-    // 判断节点尺寸是否有变化
-    let changed = this.width !== width || this.height !== height
-    this.width = width
-    this.height = height
-    return changed
-  }
-
-  //  计算节点尺寸信息
-  getNodeRect() {
-    // 自定义节点内容
-    if (this.isUseCustomNodeContent()) {
-      let rect = this.measureCustomNodeContentSize(this._customNodeContent)
-      return {
-        width: rect.width,
-        height: rect.height
-      }
-    }
-    // 宽高
-    let imgContentWidth = 0
-    let imgContentHeight = 0
-    let textContentWidth = 0
-    let textContentHeight = 0
-    // 存在图片
-    if (this._imgData) {
-      this._rectInfo.imgContentWidth = imgContentWidth = this._imgData.width
-      this._rectInfo.imgContentHeight = imgContentHeight = this._imgData.height
-    }
-    // 图标
-    if (this._iconData.length > 0) {
-      textContentWidth += this._iconData.reduce((sum, cur) => {
-        textContentHeight = Math.max(textContentHeight, cur.height)
-        return (sum += cur.width + this.textContentItemMargin)
-      }, 0)
-    }
-    // 文字
-    if (this._textData) {
-      textContentWidth += this._textData.width
-      textContentHeight = Math.max(textContentHeight, this._textData.height)
-    }
-    // 超链接
-    if (this._hyperlinkData) {
-      textContentWidth += this._hyperlinkData.width
-      textContentHeight = Math.max(
-        textContentHeight,
-        this._hyperlinkData.height
-      )
-    }
-    // 标签
-    if (this._tagData.length > 0) {
-      textContentWidth += this._tagData.reduce((sum, cur) => {
-        textContentHeight = Math.max(textContentHeight, cur.height)
-        return (sum += cur.width + this.textContentItemMargin)
-      }, 0)
-    }
-    // 备注
-    if (this._noteData) {
-      textContentWidth += this._noteData.width
-      textContentHeight = Math.max(textContentHeight, this._noteData.height)
-    }
-    // 文字内容部分的尺寸
-    this._rectInfo.textContentWidth = textContentWidth
-    this._rectInfo.textContentHeight = textContentHeight
-    // 间距
-    let margin =
-      imgContentHeight > 0 && textContentHeight > 0
-        ? this.blockContentMargin
-        : 0
-    let { paddingX, paddingY } = this.getPaddingVale()
-    // 纯内容宽高
-    let _width = Math.max(imgContentWidth, textContentWidth)
-    let _height = imgContentHeight + textContentHeight
-    // 计算节点形状需要的附加内边距
-    let { paddingX: shapePaddingX, paddingY: shapePaddingY } =
-      this.shapeInstance.getShapePadding(_width, _height, paddingX, paddingY)
-    this.shapePadding.paddingX = shapePaddingX
-    this.shapePadding.paddingY = shapePaddingY
-    return {
-      width: _width + paddingX * 2 + shapePaddingX * 2,
-      height: _height + paddingY * 2 + margin + shapePaddingY * 2
-    }
-  }
-
-  //  定位节点内容
-  layout() {
-    // 清除之前的内容
-    this.group.clear()
-    let { width, height, textContentItemMargin } = this
-    let { paddingY } = this.getPaddingVale()
-    paddingY += this.shapePadding.paddingY
-    // 节点形状
-    this.shapeNode = this.shapeInstance.createShape()
-    this.shapeNode.addClass('smm-node-shape')
-    this.group.add(this.shapeNode)
-    this.updateNodeShape()
-    // 渲染一个隐藏的矩形区域，用来触发展开收起按钮的显示
-    this.renderExpandBtnPlaceholderRect()
-    // 概要节点添加一个带所属节点id的类名
-    if (this.isGeneralization && this.generalizationBelongNode) {
-      this.group.addClass('generalization_' + this.generalizationBelongNode.uid)
-    }
-    // 如果存在自定义节点内容，那么使用自定义节点内容
-    if (this.isUseCustomNodeContent()) {
-      let foreignObject = new ForeignObject()
-      foreignObject.width(width)
-      foreignObject.height(height)
-      foreignObject.add(SVG(this._customNodeContent))
-      this.group.add(foreignObject)
-      return
-    }
-    // 图片节点
-    let imgHeight = 0
-    if (this._imgData) {
-      imgHeight = this._imgData.height
-      this.group.add(this._imgData.node)
-      this._imgData.node.cx(width / 2).y(paddingY)
-    }
-    // 内容节点
-    let textContentNested = new G()
-    let textContentOffsetX = 0
-    // icon
-    let iconNested = new G()
-    if (this._iconData && this._iconData.length > 0) {
-      let iconLeft = 0
-      this._iconData.forEach(item => {
-        item.node
-          .x(textContentOffsetX + iconLeft)
-          .y((this._rectInfo.textContentHeight - item.height) / 2)
-        iconNested.add(item.node)
-        iconLeft += item.width + textContentItemMargin
-      })
-      textContentNested.add(iconNested)
-      textContentOffsetX += iconLeft
-    }
-    // 文字
-    if (this._textData) {
-      this._textData.node.attr('data-offsetx', textContentOffsetX)
-      this._textData.node.x(textContentOffsetX).y(0)
-      textContentNested.add(this._textData.node)
-      textContentOffsetX += this._textData.width + textContentItemMargin
-    }
-    // 超链接
-    if (this._hyperlinkData) {
-      this._hyperlinkData.node
-        .x(textContentOffsetX)
-        .y((this._rectInfo.textContentHeight - this._hyperlinkData.height) / 2)
-      textContentNested.add(this._hyperlinkData.node)
-      textContentOffsetX += this._hyperlinkData.width + textContentItemMargin
-    }
-    // 标签
-    let tagNested = new G()
-    if (this._tagData && this._tagData.length > 0) {
-      let tagLeft = 0
-      this._tagData.forEach(item => {
-        item.node
-          .x(textContentOffsetX + tagLeft)
-          .y((this._rectInfo.textContentHeight - item.height) / 2)
-        tagNested.add(item.node)
-        tagLeft += item.width + textContentItemMargin
-      })
-      textContentNested.add(tagNested)
-      textContentOffsetX += tagLeft
-    }
-    // 备注
-    if (this._noteData) {
-      this._noteData.node
-        .x(textContentOffsetX)
-        .y((this._rectInfo.textContentHeight - this._noteData.height) / 2)
-      textContentNested.add(this._noteData.node)
-      textContentOffsetX += this._noteData.width
-    }
-    // 文字内容整体
-    textContentNested.translate(
-      width / 2 - textContentNested.bbox().width / 2,
-      imgHeight +
-        paddingY +
-        (imgHeight > 0 && this._rectInfo.textContentHeight > 0
-          ? this.blockContentMargin
-          : 0)
-    )
-    this.group.add(textContentNested)
-  }
-
-  // 渲染展开收起按钮的隐藏占位元素
-  renderExpandBtnPlaceholderRect() {
-    if (!this.mindMap.opt.alwaysShowExpandBtn) {
-      let { width, height } = this
-      if (!this._unVisibleRectRegionNode) {
-        this._unVisibleRectRegionNode = new Rect()
-        this._unVisibleRectRegionNode.fill({
-          color: 'transparent'
-        })
-      }
-      this.group.add(this._unVisibleRectRegionNode)
-      this.renderer.layout.renderExpandBtnRect(this._unVisibleRectRegionNode, this.expandBtnSize, width, height, this)
-    }
-  }
-
-  // 给节点绑定事件
-  bindGroupEvent() {
-    // 单击事件，选中节点
-    this.group.on('click', e => {
-      this.mindMap.emit('node_click', this, e)
-      if (this.isMultipleChoice) {
-        e.stopPropagation()
-        this.isMultipleChoice = false
-        return
-      }
-      this.active(e)
-    })
-    this.group.on('mousedown', e => {
-      if (this.isRoot && e.which === 3) {
-        e.stopPropagation()
-      }
-      if (!this.isRoot) {
-        e.stopPropagation()
-      }
-      // 多选和取消多选
-      if (e.ctrlKey && this.mindMap.opt.enableCtrlKeyNodeSelection) {
-        this.isMultipleChoice = true
-        let isActive = this.nodeData.data.isActive
-        if (!isActive)
-          this.mindMap.emit(
-            'before_node_active',
-            this,
-            this.renderer.activeNodeList
-          )
-        this.mindMap.execCommand('SET_NODE_ACTIVE', this, !isActive)
-        this.mindMap.renderer[isActive ? 'removeActiveNode' : 'addActiveNode'](
-          this
-        )
-        this.mindMap.emit(
-          'node_active',
-          isActive ? null : this,
-          this.mindMap.renderer.activeNodeList
-        )
-      }
-      this.mindMap.emit('node_mousedown', this, e)
-    })
-    this.group.on('mouseup', e => {
-      if (!this.isRoot) {
-        e.stopPropagation()
-      }
-      this.mindMap.emit('node_mouseup', this, e)
-    })
-    this.group.on('mouseenter', e => {
-      this._isMouseenter = true
-      // 显示展开收起按钮
-      this.showExpandBtn()
-      this.mindMap.emit('node_mouseenter', this, e)
-    })
-    this.group.on('mouseleave', e => {
-      this._isMouseenter = false
-      this.hideExpandBtn()
-      this.mindMap.emit('node_mouseleave', this, e)
-    })
-    // 双击事件
-    this.group.on('dblclick', e => {
-      if (this.mindMap.opt.readonly) {
-        return
-      }
-      e.stopPropagation()
-      this.mindMap.emit('node_dblclick', this, e)
-    })
-    // 右键菜单事件
-    this.group.on('contextmenu', e => {
-      // 按住ctrl键点击鼠标左键不知为何触发的是contextmenu事件
-      if (this.mindMap.opt.readonly || e.ctrlKey) {
-        // || this.isGeneralization
-        return
-      }
-      e.stopPropagation()
-      e.preventDefault()
-      if (this.nodeData.data.isActive) {
-        this.renderer.clearActive()
-      }
-      this.active(e)
-      this.mindMap.emit('node_contextmenu', e, this)
-    })
-  }
-
-  //  激活节点
-  active(e) {
-    if (this.mindMap.opt.readonly) {
-      return
-    }
-    e && e.stopPropagation()
-    if (this.nodeData.data.isActive) {
-      return
-    }
-    this.mindMap.emit('before_node_active', this, this.renderer.activeNodeList)
-    this.renderer.clearActive()
-    this.mindMap.execCommand('SET_NODE_ACTIVE', this, true)
-    this.renderer.addActiveNode(this)
-    this.mindMap.emit('node_active', this, this.renderer.activeNodeList)
-  }
-
-  //  更新节点
-  update(isLayout = false) {
-    if (!this.group) {
-      return
-    }
-    let {
-      alwaysShowExpandBtn
-    } = this.mindMap.opt
-    if (alwaysShowExpandBtn) {
-      // 需要移除展开收缩按钮
-      if (this._expandBtn && this.nodeData.children.length <= 0) {
-        this.removeExpandBtn()
-      } else {
-        // 更新展开收起按钮
-        this.renderExpandBtn()
-      }
-    } else {
-      let { isActive, expand } = this.nodeData.data
-      // 展开状态且非激活状态，且当前鼠标不在它上面，才隐藏
-      if (expand && !isActive && !this._isMouseenter) {
-        this.hideExpandBtn()
-      } else {
-        this.showExpandBtn()
-      }
-    }
-    // 更新概要
-    this.renderGeneralization()
-    // 更新节点位置
-    let t = this.group.transform()
-    // 如果节点位置没有变化，则返回
-    if (this.left === t.translateX && this.top === t.translateY) return
-    this.group.translate(this.left - t.translateX, this.top - t.translateY)
-  }
-
-  // 重新渲染节点，即重新创建节点内容、计算节点大小、计算节点内容布局、更新展开收起按钮，概要及位置
-  reRender() {
-    let sizeChange = this.getSize()
-    this.layout()
-    this.update()
-    return sizeChange
-  }
-
-  // 更新节点形状样式
-  updateNodeShape() {
-    if (!this.shapeNode) return
-    const shape = this.getShape()
-    this.style[shape === CONSTANTS.SHAPE.RECTANGLE ? 'rect' : 'shape'](
-      this.shapeNode
-    )
-  }
-
-  //  递归渲染
-  render(callback = () => {}) {
-    // 节点
-    // 重新渲染连线
-    this.renderLine()
-    let isLayout = false
-    if (!this.group) {
-      isLayout = true
-      // 创建组
-      this.group = new G()
-      this.group.addClass('smm-node')
-      this.group.css({
-        cursor: 'default'
-      })
-      this.bindGroupEvent()
-      this.draw.add(this.group)
-      this.layout()
-      this.update(isLayout)
-    } else {
-      this.draw.add(this.group)
-      if (this.needLayout) {
-        this.needLayout = false
-        this.layout()
-      }
-      if (this.needRerenderExpandBtnPlaceholderRect) {
-        this.needRerenderExpandBtnPlaceholderRect = false
-        this.renderExpandBtnPlaceholderRect()
-      }
-      this.update()
-    }
-    // 子节点
-    if (
-      this.children &&
-      this.children.length &&
-      this.nodeData.data.expand !== false
-    ) {
-      let index = 0
-      asyncRun(
-        this.children.map(item => {
-          return () => {
-            item.render(() => {
-              index++
-              if (index >= this.children.length) {
-                callback()
-              }
-            })
-          }
-        })
-      )
-    } else {
-      callback()
-    }
-    // 手动插入的节点立即获得焦点并且开启编辑模式
-    if (this.nodeData.inserting) {
-      delete this.nodeData.inserting
-      this.active()
-      setTimeout(() => {
-        this.mindMap.emit('node_dblclick', this, null, true)
-      }, 0)
-    }
-  }
-
-  //  递归删除，只是从画布删除，节点容器还在，后续还可以重新插回画布
-  remove() {
-    if (!this.group) return
-    this.group.remove()
-    this.removeGeneralization()
-    this.removeLine()
-    // 子节点
-    if (this.children && this.children.length) {
-      asyncRun(
-        this.children.map(item => {
-          return () => {
-            item.remove()
-          }
-        })
-      )
-    }
-  }
-
-  // 销毁节点，不但会从画布删除，而且原节点直接置空，后续无法再插回画布
-  destroy() {
-    if (!this.group) return
-    this.group.remove()
-    this.removeGeneralization()
-    this.removeLine()
-    this.group = null
-  }
-
-  //  隐藏节点
-  hide() {
-    this.group.hide()
-    this.hideGeneralization()
-    if (this.parent) {
-      let index = this.parent.children.indexOf(this)
-      this.parent._lines[index] && this.parent._lines[index].hide()
-      this._lines.forEach(item => {
-        item.hide()
-      })
-    }
-    // 子节点
-    if (this.children && this.children.length) {
-      asyncRun(
-        this.children.map(item => {
-          return () => {
-            item.hide()
-          }
-        })
-      )
-    }
-  }
-
-  //  显示节点
-  show() {
-    if (!this.group) {
-      return
-    }
-    this.group.show()
-    this.showGeneralization()
-    if (this.parent) {
-      let index = this.parent.children.indexOf(this)
-      this.parent._lines[index] && this.parent._lines[index].show()
-      this._lines.forEach(item => {
-        item.show()
-      })
-    }
-    // 子节点
-    if (this.children && this.children.length) {
-      asyncRun(
-        this.children.map(item => {
-          return () => {
-            item.show()
-          }
-        })
-      )
-    }
-  }
-
-  //  连线
-  renderLine(deep = false) {
-    if (this.nodeData.data.expand === false) {
-      return
-    }
-    let childrenLen = this.nodeData.children.length
-    // 切换为鱼骨结构时，清空根节点和二级节点的连线
-    if (
-      this.mindMap.opt.layout === CONSTANTS.LAYOUT.FISHBONE &&
-      (this.isRoot || this.layerIndex === 1)
-    ) {
-      childrenLen = 0
-    }
-    if (childrenLen > this._lines.length) {
-      // 创建缺少的线
-      new Array(childrenLen - this._lines.length).fill(0).forEach(() => {
-        this._lines.push(this.draw.path())
-      })
-    } else if (childrenLen < this._lines.length) {
-      // 删除多余的线
-      this._lines.slice(childrenLen).forEach(line => {
-        line.remove()
-      })
-      this._lines = this._lines.slice(0, childrenLen)
-    }
-    // 画线
-    this.renderer.layout.renderLine(
-      this,
-      this._lines,
-      (line, node) => {
-        // 添加样式
-        this.styleLine(line, node)
-      },
-      this.style.getStyle('lineStyle', true)
-    )
-    // 子级的连线也需要更新
-    if (deep && this.children && this.children.length > 0) {
-      this.children.forEach(item => {
-        item.renderLine(deep)
-      })
-    }
-  }
-
-  //  获取节点形状
-  getShape() {
-    // 节点使用功能横线风格的话不支持设置形状，直接使用默认的矩形
-    return this.mindMap.themeConfig.nodeUseLineStyle
-      ? CONSTANTS.SHAPE.RECTANGLE
-      : this.style.getStyle('shape', false, false)
-  }
-
-  //  检查节点是否存在自定义数据
-  hasCustomPosition() {
-    return this.customLeft !== undefined && this.customTop !== undefined
-  }
-
-  //  检查节点是否存在自定义位置的祖先节点
-  ancestorHasCustomPosition() {
-    let node = this
-    while (node) {
-      if (node.hasCustomPosition()) {
-        return true
-      }
-      node = node.parent
-    }
-    return false
-  }
-
-  //  添加子节点
-  addChildren(node) {
-    this.children.push(node)
-  }
-
-  //  设置连线样式
-  styleLine(line, node) {
-    let width =
-      node.getSelfInhertStyle('lineWidth') || node.getStyle('lineWidth', true)
-    let color =
-      node.getSelfInhertStyle('lineColor') || node.getStyle('lineColor', true)
-    let dasharray =
-      node.getSelfInhertStyle('lineDasharray') ||
-      node.getStyle('lineDasharray', true)
-    this.style.line(line, {
-      width,
-      color,
-      dasharray
-    })
-  }
-
-  //  移除连线
-  removeLine() {
-    this._lines.forEach(line => {
-      line.remove()
-    })
-    this._lines = []
-  }
-
-  //  检测当前节点是否是某个节点的祖先节点
-  isParent(node) {
-    if (this === node) {
-      return false
-    }
-    let parent = node.parent
-    while (parent) {
-      if (this === parent) {
-        return true
-      }
-      parent = parent.parent
-    }
-    return false
-  }
-
-  //  检测当前节点是否是某个节点的兄弟节点
-  isBrother(node) {
-    if (!this.parent || this === node) {
-      return false
-    }
-    return this.parent.children.find(item => {
-      return item === node
-    })
-  }
-
-  //  获取padding值
-  getPaddingVale() {
-    let { isActive } = this.nodeData.data
-    return {
-      paddingX: this.getStyle('paddingX', true, isActive),
-      paddingY: this.getStyle('paddingY', true, isActive)
-    }
-  }
-
-  //  获取某个样式
-  getStyle(prop, root, isActive) {
-    let v = this.style.merge(prop, root, isActive)
-    return v === undefined ? '' : v
-  }
-
-  //  获取自定义样式
-  getSelfStyle(prop) {
-    return this.style.getSelfStyle(prop)
-  }
-
-  //   获取最近一个存在自身自定义样式的祖先节点的自定义样式
-  getParentSelfStyle(prop) {
-    if (this.parent) {
-      return (
-        this.parent.getSelfStyle(prop) || this.parent.getParentSelfStyle(prop)
-      )
-    }
-    return null
-  }
-
-  //  获取自身可继承的自定义样式
-  getSelfInhertStyle(prop) {
-    return (
-      this.getSelfStyle(prop) || // 自身
-      this.getParentSelfStyle(prop)
-    ) // 父级
-  }
-
-  //  获取数据
-  getData(key) {
-    return key ? this.nodeData.data[key] || '' : this.nodeData.data
-  }
-
-  // 是否存在自定义样式
-  hasCustomStyle() {
-    return this.style.hasCustomStyle()
-  }
-}
-
-export default Node
--- a/simple-mind-map/src/core/render/node/Shape.js
+++ b/simple-mind-map/src/core/render/node/Shape.js
@@ -1,229 +0,0 @@
-import { Rect, Polygon, Path } from '@svgdotjs/svg.js'
-import { CONSTANTS } from '../../../constants/constant'
-
-//  节点形状类
-export default class Shape {
-  constructor(node) {
-    this.node = node
-  }
-
-  //  形状需要的padding
-  getShapePadding(width, height, paddingX, paddingY) {
-    const shape = this.node.getShape()
-    const defaultPaddingX = 15
-    const defaultPaddingY = 5
-    const actWidth = width + paddingX * 2
-    const actHeight = height + paddingY * 2
-    const actOffset = Math.abs(actWidth - actHeight)
-    switch (shape) {
-      case CONSTANTS.SHAPE.ROUNDED_RECTANGLE:
-        return {
-          paddingX: height > width ? (height - width) / 2 : 0,
-          paddingY: 0
-        }
-      case CONSTANTS.SHAPE.DIAMOND:
-        return {
-          paddingX: width / 2,
-          paddingY: height / 2
-        }
-      case CONSTANTS.SHAPE.PARALLELOGRAM:
-        return {
-          paddingX: paddingX <= 0 ? defaultPaddingX : 0,
-          paddingY: 0
-        }
-      case CONSTANTS.SHAPE.OUTER_TRIANGULAR_RECTANGLE:
-        return {
-          paddingX: paddingX <= 0 ? defaultPaddingX : 0,
-          paddingY: 0
-        }
-      case CONSTANTS.SHAPE.INNER_TRIANGULAR_RECTANGLE:
-        return {
-          paddingX: paddingX <= 0 ? defaultPaddingX : 0,
-          paddingY: 0
-        }
-      case CONSTANTS.SHAPE.ELLIPSE:
-        return {
-          paddingX: paddingX <= 0 ? defaultPaddingX : 0,
-          paddingY: paddingY <= 0 ? defaultPaddingY : 0
-        }
-      case CONSTANTS.SHAPE.CIRCLE:
-        return {
-          paddingX: actHeight > actWidth ? actOffset / 2 : 0,
-          paddingY: actHeight < actWidth ? actOffset / 2 : 0
-        }
-      default:
-        return {
-          paddingX: 0,
-          paddingY: 0
-        }
-    }
-  }
-
-  //  创建形状节点
-  createShape() {
-    const shape = this.node.getShape()
-    let { width, height } = this.node
-    let node = null
-    // 矩形
-    if (shape === CONSTANTS.SHAPE.RECTANGLE) {
-      node = new Rect().size(width, height)
-    } else if (shape === CONSTANTS.SHAPE.DIAMOND) {
-      // 菱形
-      node = this.createDiamond()
-    } else if (shape === CONSTANTS.SHAPE.PARALLELOGRAM) {
-      // 平行四边形
-      node = this.createParallelogram()
-    } else if (shape === CONSTANTS.SHAPE.ROUNDED_RECTANGLE) {
-      // 圆角矩形
-      node = this.createRoundedRectangle()
-    } else if (shape === CONSTANTS.SHAPE.OCTAGONAL_RECTANGLE) {
-      // 八角矩形
-      node = this.createOctagonalRectangle()
-    } else if (shape === CONSTANTS.SHAPE.OUTER_TRIANGULAR_RECTANGLE) {
-      // 外三角矩形
-      node = this.createOuterTriangularRectangle()
-    } else if (shape === CONSTANTS.SHAPE.INNER_TRIANGULAR_RECTANGLE) {
-      // 内三角矩形
-      node = this.createInnerTriangularRectangle()
-    } else if (shape === CONSTANTS.SHAPE.ELLIPSE) {
-      // 椭圆
-      node = this.createEllipse()
-    } else if (shape === CONSTANTS.SHAPE.CIRCLE) {
-      // 圆
-      node = this.createCircle()
-    }
-    return node
-  }
-
-  //  创建菱形
-  createDiamond() {
-    let { width, height } = this.node
-    let halfWidth = width / 2
-    let halfHeight = height / 2
-    let topX = halfWidth
-    let topY = 0
-    let rightX = width
-    let rightY = halfHeight
-    let bottomX = halfWidth
-    let bottomY = height
-    let leftX = 0
-    let leftY = halfHeight
-    return new Polygon().plot([
-      [topX, topY],
-      [rightX, rightY],
-      [bottomX, bottomY],
-      [leftX, leftY]
-    ])
-  }
-
-  //  创建平行四边形
-  createParallelogram() {
-    let { paddingX } = this.node.getPaddingVale()
-    paddingX = paddingX || this.node.shapePadding.paddingX
-    let { width, height } = this.node
-    return new Polygon().plot([
-      [paddingX, 0],
-      [width, 0],
-      [width - paddingX, height],
-      [0, height]
-    ])
-  }
-
-  //  创建圆角矩形
-  createRoundedRectangle() {
-    let { width, height } = this.node
-    let halfHeight = height / 2
-    return new Path().plot(`
-      M${halfHeight},0
-      L${width - halfHeight},0
-      A${height / 2},${height / 2} 0 0,1 ${width - halfHeight},${height} 
-      L${halfHeight},${height}
-      A${height / 2},${height / 2} 0 0,1 ${halfHeight},${0}
-    `)
-  }
-
-  //  创建八角矩形
-  createOctagonalRectangle() {
-    let w = 5
-    let { width, height } = this.node
-    return new Polygon().plot([
-      [0, w],
-      [w, 0],
-      [width - w, 0],
-      [width, w],
-      [width, height - w],
-      [width - w, height],
-      [w, height],
-      [0, height - w]
-    ])
-  }
-
-  //  创建外三角矩形
-  createOuterTriangularRectangle() {
-    let { paddingX } = this.node.getPaddingVale()
-    paddingX = paddingX || this.node.shapePadding.paddingX
-    let { width, height } = this.node
-    return new Polygon().plot([
-      [paddingX, 0],
-      [width - paddingX, 0],
-      [width, height / 2],
-      [width - paddingX, height],
-      [paddingX, height],
-      [0, height / 2]
-    ])
-  }
-
-  //  创建内三角矩形
-  createInnerTriangularRectangle() {
-    let { paddingX } = this.node.getPaddingVale()
-    paddingX = paddingX || this.node.shapePadding.paddingX
-    let { width, height } = this.node
-    return new Polygon().plot([
-      [0, 0],
-      [width, 0],
-      [width - paddingX / 2, height / 2],
-      [width, height],
-      [0, height],
-      [paddingX / 2, height / 2]
-    ])
-  }
-
-  //  创建椭圆
-  createEllipse() {
-    let { width, height } = this.node
-    let halfWidth = width / 2
-    let halfHeight = height / 2
-    return new Path().plot(`
-      M${halfWidth},0
-      A${halfWidth},${halfHeight} 0 0,1 ${halfWidth},${height} 
-      M${halfWidth},${height} 
-      A${halfWidth},${halfHeight} 0 0,1 ${halfWidth},${0} 
-    `)
-  }
-
-  //  创建圆
-  createCircle() {
-    let { width, height } = this.node
-    let halfWidth = width / 2
-    let halfHeight = height / 2
-    return new Path().plot(`
-      M${halfWidth},0
-      A${halfWidth},${halfHeight} 0 0,1 ${halfWidth},${height} 
-      M${halfWidth},${height} 
-      A${halfWidth},${halfHeight} 0 0,1 ${halfWidth},${0} 
-    `)
-  }
-}
-
-// 形状列表
-export const shapeList = [
-  CONSTANTS.SHAPE.RECTANGLE,
-  CONSTANTS.SHAPE.DIAMOND,
-  CONSTANTS.SHAPE.PARALLELOGRAM,
-  CONSTANTS.SHAPE.ROUNDED_RECTANGLE,
-  CONSTANTS.SHAPE.OCTAGONAL_RECTANGLE,
-  CONSTANTS.SHAPE.OUTER_TRIANGULAR_RECTANGLE,
-  CONSTANTS.SHAPE.INNER_TRIANGULAR_RECTANGLE,
-  CONSTANTS.SHAPE.ELLIPSE,
-  CONSTANTS.SHAPE.CIRCLE
-]
--- a/simple-mind-map/src/core/render/node/Style.js
+++ b/simple-mind-map/src/core/render/node/Style.js
@@ -1,227 +0,0 @@
-import { tagColorList, nodeDataNoStylePropList } from '../../../constants/constant'
-const rootProp = ['paddingX', 'paddingY']
-const backgroundStyleProps = ['backgroundColor', 'backgroundImage', 'backgroundRepeat', 'backgroundPosition', 'backgroundSize']
-
-//  样式类
-class Style {
-  //   设置背景样式
-  static setBackgroundStyle(el, themeConfig) {
-    // 缓存容器元素原本的样式
-    if (!Style.cacheStyle) {
-      Style.cacheStyle = {}
-      let style = window.getComputedStyle(el)
-      backgroundStyleProps.forEach((prop) => {
-        Style.cacheStyle[prop] = style[prop]
-      })
-    }
-    // 设置新样式
-    let { backgroundColor, backgroundImage, backgroundRepeat, backgroundPosition, backgroundSize } = themeConfig
-    el.style.backgroundColor = backgroundColor
-    if (backgroundImage) {
-      el.style.backgroundImage = `url(${backgroundImage})`
-      el.style.backgroundRepeat = backgroundRepeat
-      el.style.backgroundPosition = backgroundPosition
-      el.style.backgroundSize = backgroundSize
-    } else {
-      el.style.backgroundImage = 'none'
-    }
-  }
-
-  // 移除背景样式
-  static removeBackgroundStyle(el) {
-    if (!Style.cacheStyle) return
-    backgroundStyleProps.forEach((prop) => {
-      el.style[prop] = Style.cacheStyle[prop]
-    })
-    Style.cacheStyle = null
-  }
-
-  //  构造函数
-  constructor(ctx) {
-    this.ctx = ctx
-  }
-
-  //  合并样式
-  merge(prop, root, isActive) {
-    let themeConfig = this.ctx.mindMap.themeConfig
-    // 三级及以下节点
-    let defaultConfig = themeConfig.node
-    if (root || rootProp.includes(prop)) {
-      // 直接使用最外层样式
-      defaultConfig = themeConfig
-    } else if (this.ctx.isGeneralization) {
-      // 概要节点
-      defaultConfig = themeConfig.generalization
-    } else if (this.ctx.layerIndex === 0) {
-      // 根节点
-      defaultConfig = themeConfig.root
-    } else if (this.ctx.layerIndex === 1) {
-      // 二级节点
-      defaultConfig = themeConfig.second
-    }
-    // 激活状态
-    if (isActive !== undefined ? isActive : this.ctx.nodeData.data.isActive) {
-      if (
-        this.ctx.nodeData.data.activeStyle &&
-        this.ctx.nodeData.data.activeStyle[prop] !== undefined
-      ) {
-        return this.ctx.nodeData.data.activeStyle[prop]
-      } else if (defaultConfig.active && defaultConfig.active[prop]) {
-        return defaultConfig.active[prop]
-      }
-    }
-    // 优先使用节点本身的样式
-    return this.getSelfStyle(prop) !== undefined
-      ? this.getSelfStyle(prop)
-      : defaultConfig[prop]
-  }
-
-  //  获取某个样式值
-  getStyle(prop, root, isActive) {
-    return this.merge(prop, root, isActive)
-  }
-
-  //  获取自身自定义样式
-  getSelfStyle(prop) {
-    return this.ctx.nodeData.data[prop]
-  }
-
-  //  矩形
-  rect(node) {
-    this.shape(node)
-    node.radius(this.merge('borderRadius'))
-  }
-
-  //   矩形外的其他形状
-  shape(node) {
-    node.fill({
-      color: this.merge('fillColor')
-    })
-    // 节点使用横线样式，不需要渲染非激活状态的边框样式
-    // if (
-    //   !this.ctx.isRoot &&
-    //   !this.ctx.isGeneralization &&
-    //   this.ctx.mindMap.themeConfig.nodeUseLineStyle &&
-    //   !this.ctx.nodeData.data.isActive
-    // ) {
-    //   return
-    // }
-    node.stroke({
-      color: this.merge('borderColor'),
-      width: this.merge('borderWidth'),
-      dasharray: this.merge('borderDasharray')
-    })
-  }
-
-  //  文字
-  text(node) {
-    node
-      .fill({
-        color: this.merge('color')
-      })
-      .css({
-        'font-family': this.merge('fontFamily'),
-        'font-size': this.merge('fontSize'),
-        'font-weight': this.merge('fontWeight'),
-        'font-style': this.merge('fontStyle'),
-        'text-decoration': this.merge('textDecoration')
-      })
-  }
-
-  // 生成内联样式
-  createStyleText() {
-    return `
-      color: ${this.merge('color')};
-      font-family: ${this.merge('fontFamily')};
-      font-size: ${this.merge('fontSize') + 'px'};
-      font-weight: ${this.merge('fontWeight')};
-      font-style: ${this.merge('fontStyle')};
-      text-decoration: ${this.merge('textDecoration')}
-    `
-  }
-
-  // 获取文本样式
-  getTextFontStyle() {
-    return { 
-      italic: this.merge('fontStyle') === 'italic', 
-      bold: this.merge('fontWeight'), 
-      fontSize: this.merge('fontSize'), 
-      fontFamily: this.merge('fontFamily')
-    }
-  }
-
-  //  html文字节点
-  domText(node, fontSizeScale = 1, isMultiLine) {
-    node.style.fontFamily = this.merge('fontFamily')
-    node.style.fontSize = this.merge('fontSize') * fontSizeScale + 'px'
-    node.style.fontWeight = this.merge('fontWeight') || 'normal'
-    node.style.lineHeight = !isMultiLine ? 'normal' : this.merge('lineHeight')
-    node.style.fontStyle = this.merge('fontStyle')
-  }
-
-  //  标签文字
-  tagText(node, index) {
-    node
-      .fill({
-        color: tagColorList[index].color
-      })
-      .css({
-        'font-size': '12px'
-      })
-  }
-
-  //  标签矩形
-  tagRect(node, index) {
-    node.fill({
-      color: tagColorList[index].background
-    })
-  }
-
-  //  内置图标
-  iconNode(node) {
-    node.attr({
-      fill: this.merge('color')
-    })
-  }
-
-  //  连线
-  line(node, { width, color, dasharray } = {}) {
-    node.stroke({ width, color, dasharray }).fill({ color: 'none' })
-  }
-
-  //  概要连线
-  generalizationLine(node) {
-    node
-      .stroke({
-        width: this.merge('generalizationLineWidth', true),
-        color: this.merge('generalizationLineColor', true)
-      })
-      .fill({ color: 'none' })
-  }
-
-  //  展开收起按钮
-  iconBtn(node, node2, fillNode) {
-    let { color, fill } = this.ctx.mindMap.opt.expandBtnStyle || {
-      color: '#808080',
-      fill: '#fff'
-    }
-    node.fill({ color: color })
-    node2.fill({ color: color })
-    fillNode.fill({ color: fill })
-  }
-
-  // 是否设置了自定义的样式
-  hasCustomStyle() {
-    let res = false
-    Object.keys(this.ctx.nodeData.data).forEach((item) => {
-      if (!nodeDataNoStylePropList.includes(item)) {
-        res = true
-      }
-    })
-    return res
-  }
-}
-
-Style.cacheStyle = null
-
-export default Style
--- a/simple-mind-map/src/core/render/node/nodeCommandWraps.js
+++ b/simple-mind-map/src/core/render/node/nodeCommandWraps.js
@@ -1,56 +0,0 @@
-//  设置数据
-function setData(data = {}) {
-  this.mindMap.execCommand('SET_NODE_DATA', this, data)
-}
-
-//  设置文本
-function setText(text, richText, resetRichText) {
-  this.mindMap.execCommand('SET_NODE_TEXT', this, text, richText, resetRichText)
-}
-
-//  设置图片
-function setImage(imgData) {
-  this.mindMap.execCommand('SET_NODE_IMAGE', this, imgData)
-}
-
-//  设置图标
-function setIcon(icons) {
-  this.mindMap.execCommand('SET_NODE_ICON', this, icons)
-}
-
-//  设置超链接
-function setHyperlink(link, title) {
-  this.mindMap.execCommand('SET_NODE_HYPERLINK', this, link, title)
-}
-
-//  设置备注
-function setNote(note) {
-  this.mindMap.execCommand('SET_NODE_NOTE', this, note)
-}
-
-//  设置标签
-function setTag(tag) {
-  this.mindMap.execCommand('SET_NODE_TAG', this, tag)
-}
-
-//  设置形状
-function setShape(shape) {
-  this.mindMap.execCommand('SET_NODE_SHAPE', this, shape)
-}
-
-//  修改某个样式
-function setStyle(prop, value, isActive) {
-  this.mindMap.execCommand('SET_NODE_STYLE', this, prop, value, isActive)
-}
-
-export default {
-  setData,
-  setText,
-  setImage,
-  setIcon,
-  setHyperlink,
-  setNote,
-  setTag,
-  setShape,
-  setStyle
-}
--- a/simple-mind-map/src/core/render/node/nodeCreateContents.js
+++ b/simple-mind-map/src/core/render/node/nodeCreateContents.js
@@ -1,347 +0,0 @@
-import { measureText, resizeImgSize, removeHtmlStyle, addHtmlStyle, checkIsRichText } from '../../../utils'
-import { Image, SVG, A, G, Rect, Text, ForeignObject } from '@svgdotjs/svg.js'
-import iconsSvg from '../../../svg/icons'
-import { CONSTANTS, commonCaches } from '../../../constants/constant'
-
-//  创建图片节点
-function createImgNode() {
-  let img = this.nodeData.data.image
-  if (!img) {
-    return
-  }
-  let imgSize = this.getImgShowSize()
-  let node = new Image().load(img).size(...imgSize)
-  if (this.nodeData.data.imageTitle) {
-    node.attr('title', this.nodeData.data.imageTitle)
-  }
-  node.on('dblclick', e => {
-    this.mindMap.emit('node_img_dblclick', this, e)
-  })
-  node.on('mouseenter', e => {
-    this.mindMap.emit('node_img_mouseenter', this, node, e)
-  })
-  node.on('mouseleave', e => {
-    this.mindMap.emit('node_img_mouseleave', this, node, e)
-  })
-  node.on('mousemove', e => {
-    this.mindMap.emit('node_img_mousemove', this, node, e)
-  })
-  return {
-    node,
-    width: imgSize[0],
-    height: imgSize[1]
-  }
-}
-
-//  获取图片显示宽高
-function getImgShowSize() {
-  const { custom, width, height } = this.nodeData.data.imageSize
-  // 如果是自定义了图片的宽高，那么不受最大宽高限制
-  if (custom) return [width, height]
-  return resizeImgSize(
-    width,
-    height,
-    this.mindMap.themeConfig.imgMaxWidth,
-    this.mindMap.themeConfig.imgMaxHeight
-  )
-}
-
-//  创建icon节点
-function createIconNode() {
-  let _data = this.nodeData.data
-  if (!_data.icon || _data.icon.length <= 0) {
-    return []
-  }
-  let iconSize = this.mindMap.themeConfig.iconSize
-  return _data.icon.map(item => {
-    let src = iconsSvg.getNodeIconListIcon(item, this.mindMap.opt.iconList || [])
-    let node = null
-    // svg图标
-    if (/^<svg/.test(src)) {
-      node = SVG(src)
-    } else {
-      // 图片图标
-      node = new Image().load(src)
-    }
-    node.size(iconSize, iconSize)
-    node.on('click', e => {
-      this.mindMap.emit('node_icon_click', this, item, e)
-    })
-    return {
-      node,
-      width: iconSize,
-      height: iconSize
-    }
-  })
-}
-
-// 创建富文本节点
-function createRichTextNode() {
-  let g = new G()
-  // 重新设置富文本节点内容
-  let recoverText = false
-  if (this.nodeData.data.resetRichText) {
-    delete this.nodeData.data.resetRichText
-    recoverText = true
-  }
-  if ([CONSTANTS.CHANGE_THEME].includes(this.mindMap.renderer.renderSource)) {
-    // 如果自定义过样式则不允许覆盖
-    if (!this.hasCustomStyle()) {
-      recoverText = true
-    }
-  }
-  if (recoverText) {
-    let text = this.nodeData.data.text
-    // 判断节点内容是否是富文本
-    let isRichText = checkIsRichText(text)
-    // 样式字符串
-    let style = this.style.createStyleText()
-    if (isRichText) {
-      // 如果是富文本那么线移除内联样式
-      text = removeHtmlStyle(text)
-      // 再添加新的内联样式
-      text = addHtmlStyle(text, 'span', style)
-    } else {
-      // 非富文本
-      text = `<p><span style="${style}">${text}</span></p>`
-    }
-    this.nodeData.data.text = text
-  }
-  let html = `<div>${this.nodeData.data.text}</div>`
-  let div = document.createElement('div')
-  div.innerHTML = html
-  div.style.cssText = `position: fixed; left: -999999px;`
-  let el = div.children[0]
-  el.classList.add('smm-richtext-node-wrap')
-  el.setAttribute('xmlns', 'http://www.w3.org/1999/xhtml')
-  el.style.maxWidth = this.mindMap.opt.textAutoWrapWidth + 'px'
-  this.mindMap.el.appendChild(div)
-  let { width, height } = el.getBoundingClientRect()
-  width = Math.ceil(width) + 1// 修复getBoundingClientRect方法对实际宽度是小数的元素获取到的值是整数，导致宽度不够文本发生换行的问题
-  height = Math.ceil(height)
-  g.attr('data-width', width)
-  g.attr('data-height', height)
-  html = div.innerHTML
-  this.mindMap.el.removeChild(div)
-  let foreignObject = new ForeignObject()
-  foreignObject.width(width)
-  foreignObject.height(height)
-  foreignObject.add(SVG(html))
-  g.add(foreignObject)
-  return {
-    node: g,
-    width,
-    height
-  }
-}
-
-//  创建文本节点
-function createTextNode() {
-  if (this.nodeData.data.richText) {
-    return this.createRichTextNode()
-  }
-  let g = new G()
-  let fontSize = this.getStyle('fontSize', false, this.nodeData.data.isActive)
-  let lineHeight = this.getStyle(
-    'lineHeight',
-    false,
-    this.nodeData.data.isActive
-  )
-  // 文本超长自动换行
-  let textStyle = this.style.getTextFontStyle()
-  let textArr = this.nodeData.data.text.split(/\n/gim)
-  let maxWidth = this.mindMap.opt.textAutoWrapWidth
-  let isMultiLine = false
-  textArr.forEach((item, index) => {
-    let arr = item.split('')
-    let lines = []
-    let line = []
-    while (arr.length) {
-      let str = arr.shift()
-      let text = [...line, str].join('')
-      if (measureText(text, textStyle).width <= maxWidth) {
-        line.push(str)
-      } else {
-        lines.push(line.join(''))
-        line = [str]
-      }
-    }
-    if (line.length > 0) {
-      lines.push(line.join(''))
-    }
-    if (lines.length > 1) {
-      isMultiLine = true
-    }
-    textArr[index] = lines.join('\n')
-  })
-  textArr = textArr.join('\n').split(/\n/gim)
-  textArr.forEach((item, index) => {
-    let node = new Text().text(item)
-    this.style.text(node)
-    node.y(fontSize * lineHeight * index)
-    g.add(node)
-  })
-  let { width, height } = g.bbox()
-  width = Math.ceil(width)
-  height = Math.ceil(height)
-  g.attr('data-width', width)
-  g.attr('data-height', height)
-  g.attr('data-ismultiLine', isMultiLine || textArr.length > 1)
-  return {
-    node: g,
-    width,
-    height
-  }
-}
-
-//  创建超链接节点
-function createHyperlinkNode() {
-  let { hyperlink, hyperlinkTitle } = this.nodeData.data
-  if (!hyperlink) {
-    return
-  }
-  let iconSize = this.mindMap.themeConfig.iconSize
-  let node = new SVG()
-  // 超链接节点
-  let a = new A().to(hyperlink).target('_blank')
-  a.node.addEventListener('click', e => {
-    e.stopPropagation()
-  })
-  if (hyperlinkTitle) {
-    a.attr('title', hyperlinkTitle)
-  }
-  // 添加一个透明的层，作为鼠标区域
-  a.rect(iconSize, iconSize).fill({ color: 'transparent' })
-  // 超链接图标
-  let iconNode = SVG(iconsSvg.hyperlink).size(iconSize, iconSize)
-  this.style.iconNode(iconNode)
-  a.add(iconNode)
-  node.add(a)
-  return {
-    node,
-    width: iconSize,
-    height: iconSize
-  }
-}
-
-//  创建标签节点
-function createTagNode() {
-  let tagData = this.nodeData.data.tag
-  if (!tagData || tagData.length <= 0) {
-    return []
-  }
-  let nodes = []
-  tagData.slice(0, this.mindMap.opt.maxTag).forEach((item, index) => {
-    let tag = new G()
-    // 标签文本
-    let text = new Text().text(item).x(8).cy(10)
-    this.style.tagText(text, index)
-    let { width } = text.bbox()
-    // 标签矩形
-    let rect = new Rect().size(width + 16, 20)
-    this.style.tagRect(rect, index)
-    tag.add(rect).add(text)
-    nodes.push({
-      node: tag,
-      width: width + 16,
-      height: 20
-    })
-  })
-  return nodes
-}
-
-//  创建备注节点
-function createNoteNode() {
-  if (!this.nodeData.data.note) {
-    return null
-  }
-  let iconSize = this.mindMap.themeConfig.iconSize
-  let node = new SVG().attr('cursor', 'pointer')
-  // 透明的层，用来作为鼠标区域
-  node.add(new Rect().size(iconSize, iconSize).fill({ color: 'transparent' }))
-  // 备注图标
-  let iconNode = SVG(iconsSvg.note).size(iconSize, iconSize)
-  this.style.iconNode(iconNode)
-  node.add(iconNode)
-  // 备注tooltip
-  if (!this.mindMap.opt.customNoteContentShow) {
-    if (!this.noteEl) {
-      this.noteEl = document.createElement('div')
-      this.noteEl.style.cssText = `
-          position: absolute;
-          padding: 10px;
-          border-radius: 5px;
-          box-shadow: 0 2px 5px rgb(0 0 0 / 10%);
-          display: none;
-          background-color: #fff;
-          z-index: ${ this.mindMap.opt.nodeNoteTooltipZIndex }
-      `
-      document.body.appendChild(this.noteEl)
-    }
-    this.noteEl.innerText = this.nodeData.data.note
-  }
-  node.on('mouseover', () => {
-    let { left, top } = node.node.getBoundingClientRect()
-    if (!this.mindMap.opt.customNoteContentShow) {
-      this.noteEl.style.left = left + 'px'
-      this.noteEl.style.top = top + iconSize + 'px'
-      this.noteEl.style.display = 'block'
-    } else {
-      this.mindMap.opt.customNoteContentShow.show(
-        this.nodeData.data.note,
-        left,
-        top + iconSize
-      )
-    }
-  })
-  node.on('mouseout', () => {
-    if (!this.mindMap.opt.customNoteContentShow) {
-      this.noteEl.style.display = 'none'
-    } else {
-      this.mindMap.opt.customNoteContentShow.hide()
-    }
-  })
-  return {
-    node,
-    width: iconSize,
-    height: iconSize
-  }
-}
-
-// 测量自定义节点内容元素的宽高
-function measureCustomNodeContentSize (content) {
-  if (!commonCaches.measureCustomNodeContentSizeEl) {
-    commonCaches.measureCustomNodeContentSizeEl = document.createElement('div')
-    commonCaches.measureCustomNodeContentSizeEl.style.cssText = `
-      position: fixed;
-      left: -99999px;
-      top: -99999px;
-    `
-    this.mindMap.el.appendChild(commonCaches.measureCustomNodeContentSizeEl)
-  }
-  commonCaches.measureCustomNodeContentSizeEl.innerHTML = ''
-  commonCaches.measureCustomNodeContentSizeEl.appendChild(content)
-  let rect = commonCaches.measureCustomNodeContentSizeEl.getBoundingClientRect()
-  return {
-    width: rect.width,
-    height: rect.height
-  }
-}
-
-// 是否使用的是自定义节点内容
-function isUseCustomNodeContent()  {
-  return !!this._customNodeContent
-}
-
-export default {
-    createImgNode,
-    getImgShowSize,
-    createIconNode,
-    createRichTextNode,
-    createTextNode,
-    createHyperlinkNode,
-    createTagNode,
-    createNoteNode,
-    measureCustomNodeContentSize,
-    isUseCustomNodeContent
-}
--- a/simple-mind-map/src/core/render/node/nodeExpandBtn.js
+++ b/simple-mind-map/src/core/render/node/nodeExpandBtn.js
@@ -1,142 +0,0 @@
-import btnsSvg from '../../../svg/btns'
-import { SVG, Circle, G } from '@svgdotjs/svg.js'
-
-// 创建展开收起按钮的内容节点
-function createExpandNodeContent() {
-  if (this._openExpandNode) {
-    return
-  }
-  let { open, close } = this.mindMap.opt.expandBtnIcon || {}
-  // 展开的节点
-  this._openExpandNode = SVG(open || btnsSvg.open).size(
-    this.expandBtnSize,
-    this.expandBtnSize
-  )
-  this._openExpandNode.x(0).y(-this.expandBtnSize / 2)
-  // 收起的节点
-  this._closeExpandNode = SVG(close || btnsSvg.close).size(
-    this.expandBtnSize,
-    this.expandBtnSize
-  )
-  this._closeExpandNode.x(0).y(-this.expandBtnSize / 2)
-  // 填充节点
-  this._fillExpandNode = new Circle().size(this.expandBtnSize)
-  this._fillExpandNode.x(0).y(-this.expandBtnSize / 2)
-  // 设置样式
-  this.style.iconBtn(
-    this._openExpandNode,
-    this._closeExpandNode,
-    this._fillExpandNode
-  )
-}
-
-//  创建或更新展开收缩按钮内容
-function updateExpandBtnNode() {
-  let { expand } = this.nodeData.data
-  // 如果本次和上次的展开状态一样则返回
-  if (expand === this._lastExpandBtnType) return
-  if (this._expandBtn) {
-    this._expandBtn.clear()
-  }
-  this.createExpandNodeContent()
-  let node
-  if (expand === false) {
-    node = this._openExpandNode
-    this._lastExpandBtnType = false
-  } else {
-    node = this._closeExpandNode
-    this._lastExpandBtnType = true
-  }
-  if (this._expandBtn) this._expandBtn.add(this._fillExpandNode).add(node)
-}
-
-//  更新展开收缩按钮位置
-function updateExpandBtnPos() {
-  if (!this._expandBtn) {
-    return
-  }
-  this.renderer.layout.renderExpandBtn(this, this._expandBtn)
-}
-
-//  创建展开收缩按钮
-function renderExpandBtn() {
-  if (
-    !this.nodeData.children ||
-    this.nodeData.children.length <= 0 ||
-    this.isRoot
-  ) {
-    return
-  }
-  if (this._expandBtn) {
-    this.group.add(this._expandBtn)
-  } else {
-    this._expandBtn = new G()
-    this._expandBtn.on('mouseover', e => {
-      e.stopPropagation()
-      this._expandBtn.css({
-        cursor: 'pointer'
-      })
-    })
-    this._expandBtn.on('mouseout', e => {
-      e.stopPropagation()
-      this._expandBtn.css({
-        cursor: 'auto'
-      })
-    })
-    this._expandBtn.on('click', e => {
-      e.stopPropagation()
-      // 展开收缩
-      this.mindMap.execCommand(
-        'SET_NODE_EXPAND',
-        this,
-        !this.nodeData.data.expand
-      )
-      this.mindMap.emit('expand_btn_click', this)
-    })
-    this._expandBtn.on('dblclick', e => {
-      e.stopPropagation()
-    })
-    this.group.add(this._expandBtn)
-  }
-  this._showExpandBtn = true
-  this.updateExpandBtnNode()
-  this.updateExpandBtnPos()
-}
-
-//  移除展开收缩按钮
-function removeExpandBtn() {
-  if (this._expandBtn && this._showExpandBtn) {
-    this._expandBtn.remove()
-    this._showExpandBtn = false
-  }
-}
-
-// 显示展开收起按钮
-function showExpandBtn() {
-  if (this.mindMap.opt.alwaysShowExpandBtn) return
-  setTimeout(() => {
-    this.renderExpandBtn()
-  }, 0)
-}
-
-// 隐藏展开收起按钮
-function hideExpandBtn() {
-  if (this.mindMap.opt.alwaysShowExpandBtn || this._isMouseenter) return
-  // 非激活状态且展开状态鼠标移出才隐藏按钮
-  let { isActive, expand } = this.nodeData.data
-  if (!isActive && expand) {
-    setTimeout(() => {
-      this.removeExpandBtn()
-    }, 0)
-  }
-}
-
-export default {
-  createExpandNodeContent,
-  updateExpandBtnNode,
-  updateExpandBtnPos,
-  renderExpandBtn,
-  removeExpandBtn,
-  showExpandBtn,
-  hideExpandBtn
-}
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
wanglin	dc3c91270c	更新版本	2022-07-30 08:21:43 +08:00
街角小林	71ac739964	Merge pull request #16 from harris2012/patch-2 fix typo	2022-07-29 21:59:53 +08:00
街角小林	eae5dc5854	Merge pull request #15 from harris2012/patch-1 Update Node.js	2022-07-29 21:57:05 +08:00
Harris Zhang	c45ceac7dc	fix typo	2022-07-29 17:55:20 +08:00
Harris Zhang	3d8702be8a	Update Node.js	2022-07-29 11:29:25 +08:00
街角小林	084dd9fd84	Merge pull request #13 from harris2012/patch-1 Update index.js	2022-07-26 21:15:41 +08:00
Harris Zhang	0c6c68820f	Update index.js	2022-07-26 19:12:47 +08:00
wanglin25	f5ff479f47	fix:1.节点图标不能删除的问题；2.工具按钮置灰仍然可以点击的问题	2022-06-28 19:55:31 +08:00
wanglin25	e9722efe93	增加只读模式	2022-06-08 14:30:45 +08:00
wanglin	db1f9c04c1	修改README	2022-05-10 23:09:54 +08:00
wanglin	b3e6412dbc	发布0.1.6版本	2022-05-10 23:08:02 +08:00
wanglin25	f58828469c	打包	2022-05-09 14:31:22 +08:00
wanglin25	cf7a92d9c7	节点备注支持markdown及富文本、修复不能选中文字的问题	2022-05-09 14:24:11 +08:00
wanglin25	ec0d021e92	修复节点标注在节点激活后无法隐藏问题	2022-05-09 11:31:05 +08:00
wanglin25	25a2d919fb	修复超链接、备注、标签等文字编辑时返回键和回车键与思维导图快捷键冲突的问题	2022-05-09 11:03:56 +08:00
wanglin	c3f4e2b797	增加版本号	2021-11-25 22:25:26 +08:00
wanglin25	a0c07522f9	新增支持节点拖拽	2021-11-25 16:06:18 +08:00
wanglin25	ca0cbdf009	'状态数据支持保存激活状态、视图状态（拖动位置、缩放值）'	2021-11-22 19:59:21 +08:00
wanglin	6263a49903	修复存在激活节点时设置主题存在的问题	2021-08-05 22:29:02 +08:00
wanglin	dce133f8f0	升级版本	2021-08-05 08:09:48 +08:00
wanglin	7f4f4e2fe0	增加快捷键功能	2021-08-05 00:06:27 +08:00
wanglin	4e4ade5c31	修复回退问题	2021-08-04 23:45:05 +08:00
wanglin	5423b42e9d	新增导出为json；优化一些细节	2021-08-04 07:26:01 +08:00
wanglin	9555375907	修改版本号及package.json	2021-08-01 11:58:08 +08:00
wanglin	cc19ce168b	增加本地存储功能	2021-08-01 10:49:57 +08:00
wanglin25	e324813eae	修复删除节点和节点编辑时的删除冲突问题	2021-07-27 14:17:58 +08:00
wanglin25	08a7ba380a	'修改文章与打包'	2021-07-22 19:06:51 +08:00
wanglin25	dd2bfbcf93	'打包'	2021-07-22 14:13:49 +08:00
wanglin25	4ae5c914ca	'打包'	2021-07-22 09:36:50 +08:00
wanglin	6f49577794	优化	2021-07-22 08:03:00 +08:00
wanglin	43a3dd97c7	修改文章	2021-07-21 22:50:46 +08:00
wanglin25	7226e40a6c	'完成文章'	2021-07-21 20:24:37 +08:00
wanglin25	9f090a4474	文章写作中	2021-07-20 20:18:03 +08:00
wanglin	bf5298ab2f	文章	2021-07-20 07:48:22 +08:00
wanglin	ffe4fedbc3	修改文章	2021-07-19 07:39:34 +08:00
wanglin	07ad92e93a	添加图片	2021-07-18 22:47:03 +08:00
wanglin	5a004e40de	优化与文档编写	2021-07-18 22:27:34 +08:00
wanglin	8664bcc00b	完善开发文档	2021-07-16 19:33:01 +08:00
wanglin	d00f56c7f1	优化代码	2021-07-16 13:58:48 +08:00
wanglin	4ddce22076	基本完成	2021-07-16 13:42:37 +08:00
wanglin25	fdf4d51a1e	'右键功能开发中'	2021-07-15 17:46:36 +08:00
wanglin25	a9ebe50fff	Merge branch 'main' of https://github.com/wanglin2/mind-map into main	2021-07-15 09:46:53 +08:00
wanglin25	f8638088f3	'优化'	2021-07-15 09:46:27 +08:00
wanglin	081797e83b	右键菜单开发中	2021-07-14 23:57:36 +08:00
wanglin25	8adf5a7fb8	'修改样式'	2021-07-14 09:54:45 +08:00
wanglin25	194a920efa	'打包'	2021-07-14 09:34:13 +08:00
wanglin	6b3741741c	修改配置	2021-07-14 08:13:23 +08:00
wanglin	80a7e334e4	修改配置	2021-07-14 08:09:23 +08:00
wanglin	5d45d7accf	打包	2021-07-14 07:38:30 +08:00
wanglin	b893776f82	修改打包配置i	2021-07-14 07:34:06 +08:00
wanglin	115a0ac480	修改	2021-07-14 07:28:31 +08:00
wanglin	cb43292aa5	上传打包文件	2021-07-13 23:29:22 +08:00
wanglin	7b773bd9ad	修改README	2021-07-13 23:20:41 +08:00
wanglin25	38a1e25cc2	'基本完成'	2021-07-13 16:39:50 +08:00
wanglin	fd0c471f00	优化	2021-07-13 08:04:47 +08:00
wanglin	97f84933f8	新增主题	2021-07-12 22:49:22 +08:00
wanglin25	321fc69798	'完成部分结构'	2021-07-12 20:12:21 +08:00
wanglin25	af2910bec8	'优化及增加主题'	2021-07-12 14:55:50 +08:00
wanglin	9deb20f1ca	回退功能开发中	2021-07-12 07:56:38 +08:00
wanglin	0f4d614c4e	增加快捷键和全屏功能	2021-07-11 22:21:40 +08:00
wanglin	eeba3153ef	完成多选操作	2021-07-11 13:33:06 +08:00
wanglin	554dab56d3	完成基本逻辑	2021-07-10 22:06:45 +08:00
wanglin	da28f89c52	日常提交	2021-07-04 22:53:36 +08:00
wanglin	8b0c62430e	完成导出功能	2021-07-04 16:56:37 +08:00
wanglin	adcf77f60d	日常提交	2021-06-28 07:46:12 +08:00
wanglin	54ae4b3e26	提交	2021-06-26 00:03:39 +08:00
wanglin	b0929da054	完成节点内容设置及主题	2021-06-26 00:01:03 +08:00
wanglin2	1528c3d64b	Delete .DS_Store	2021-06-20 23:05:11 +08:00
wanglin2	ecc3ba8784	Delete .DS_Store	2021-06-20 23:04:56 +08:00
wanglin	947c4b2b44	完成节点内容布局	2021-06-20 23:03:23 +08:00
wanglin25	08c7768b18	修改忽略文件	2021-06-19 14:24:52 +08:00
wanglin25	efebe3f094	重构	2021-06-19 14:04:05 +08:00