使用emit代替表达式树构造委托。

内置了websocket server与相应的导航功能，可在实例工程中找到相应的实现。

Net462DllTest/Web/FlowController.cs

@@ -0,0 +1,85 @@
+
+using Net462DllTest.Enums;
+using Net462DllTest.Signal;
+using Net462DllTest.Trigger;
+using Serein.Library.Attributes;
+using Serein.Library.Utils;
+using Serein.Library.Web;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Net462DllTest.Web
+{
+    [AutoHosting]
+    public class FlowController : ControllerBase
+    {
+        private readonly SiemensPlcDevice plcDevice;
+        private readonly ViewManagement viewManagement;
+
+        public FlowController(SiemensPlcDevice plcDevice, ViewManagement viewManagement)
+        {
+            this.plcDevice = plcDevice;
+            this.viewManagement = viewManagement;
+
+        }
+
+        /*
+         * 类型 ：POST
+         * url  :  http://127.0.0.1:8089/flow/plcop?var=
+         * url  :  http://127.0.0.1:8089/flow/plcop?var=SpaceNum
+         * body ：[JSON]
+         * 
+         *      {
+         *          "value":0,
+         *      }
+         */
+        [WebApi(API.POST)]
+        public dynamic PlcOp([Url] string var, int value)
+        {
+            if (EnumHelper.TryConvertEnum<PlcVarName>(var,out var signal))
+            {
+                Console.WriteLine($"外部触发 {signal} 信号，信号内容 ： {value} ");
+                plcDevice.TriggerSignal(signal, value);// 通过 Web Api 模拟外部输入信号
+                return new { state = "succeed" };
+            }
+            else
+            {
+                return new { state = "fail" };
+            }
+          
+        }
+        /*
+        * 类型 ：POST
+        * url  :  http://127.0.0.1:8089/flow/trigger?command=
+        * url  :  http://127.0.0.1:8089/flow/trigger?command=Command_1
+        * body ：[JSON]
+        * 
+        *      {
+        *          "value":0,
+        *      }
+        */
+        [WebApi(API.POST)]
+        public dynamic Trigger([Url] string command, int value)
+        {
+            if (EnumHelper.TryConvertEnum<CommandSignal>(command, out var signal))
+            {
+                Console.WriteLine($"外部触发 {signal} 信号，信号内容 ： {value} ");
+                viewManagement.TriggerSignal(signal, value);// 通过 Web Api 模拟外部输入信号
+                return new { state = "succeed" };
+            }
+            else
+            {
+                return new { state = "fail" };
+            }
+
+        }
+    }
+
+
+     
+
+     
+}