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。

Library/Network/WebSocket/Attribute.cs

@@ -0,0 +1,23 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Threading.Tasks;
+using System.Threading;
+using System.Net.WebSockets;
+
+namespace Serein.Library.Network.WebSocketCommunication
+{
+    [AttributeUsage(AttributeTargets.Method)]
+    public sealed class AutoSocketHandleAttribute : Attribute
+    {
+        public string ThemeValue;
+        //public Type DataType;
+    }
+    [AttributeUsage(AttributeTargets.Class)]
+    public sealed class AutoSocketModuleAttribute : Attribute
+    {
+        public string JsonDataField;
+        public string JsonThemeField;
+    }
+
+}