init 初始化项目

Xzy.KnowledgeBase.Domain/Map/MapperExtend.cs

@@ -0,0 +1,53 @@
+using AutoMapper;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Xzy.KnowledgeBase.Domain.Map
+{
+    public static class MapperExtend
+    {
+        /// <summary>
+        /// Entity集合转DTO集合
+        /// </summary>
+        /// <typeparam name="T"></typeparam>
+        /// <param name="value"></param>
+        /// <returns></returns>
+        public static List<T> ToDTOList<T>(this object value)
+        {
+            if (value == null)
+                return new List<T>();
+
+            return Mapper.Map<List<T>>(value);
+        }
+        /// <summary>
+        /// Entity转DTO
+        /// </summary>
+        /// <typeparam name="T"></typeparam>
+        /// <param name="value"></param>
+        /// <returns></returns>
+        public static T ToDTO<T>(this object value)
+        {
+            if (value == null)
+                return default(T);
+
+            return Mapper.Map<T>(value);
+        }
+
+        /// <summary>
+        /// 给已有对象map,适合update场景，如需过滤空值需要在AutoMapProfile 设置
+        /// </summary>
+        /// <typeparam name="T"></typeparam>
+        /// <param name="self"></param>
+        /// <param name="result"></param>
+        /// <returns></returns>
+        public static T MapTo<T>(this object self, T result)
+        {
+            if (self == null)
+                return default(T);
+            return (T)Mapper.Map(self, result, self.GetType(), typeof(T));
+        }
+    }
+}