添加项目文件。

Controllers/ApiControllerBase.cs

@@ -0,0 +1,6 @@
+namespace Hua.WebTools.Controllers
+{
+    public class ApiControllerBase
+    {
+    }
+}

Controllers/NetWorkController.cs

@@ -0,0 +1,15 @@
+using Microsoft.AspNetCore.Mvc;
+
+namespace Hua.WebTools.Controllers
+{
+    [Route("api/[controller]")]
+    [ApiController]
+    public class NetWorkController:ControllerBase
+    {
+        [HttpGet("[action]")]
+        public IActionResult GetIp()
+        {
+            return  Ok(HttpContext.Connection.RemoteIpAddress.ToString());
+        }
+    }
+}