.Net 高级 模拟事件模型

 1 using System;
 2 using System.Collections.Generic;
 3 using System.Linq;
 4 using System.Web;
 5
 6 namespace ThreeLayerWebDemo._2019_7_14_Event
 7 {
 8     public class MyHttpModule : IHttpModule
 9     {
10         public void Dispose()
11         {
12
13         }
14
15         public void Init(HttpApplication context)
16         {
17             //注册第一个HttpApplication第一个事件
18             context.BeginRequest += Context_BeginRequest;
19         }
20
21         private void Context_BeginRequest(object sender, EventArgs e)
22         {
23             var app = sender as HttpApplication;
24             app.Response.Write("这是来自HttpModuel的代码<br/>");
25         }
26     }
27 }

 1   <system.web>
 2     <httpModules>
 3       <add name="DemoModule" type="ThreeLayerWebDemo._2019_7_14_Event.MyHttpModule"/>
 4     </httpModules>
 5   </system.web>
 6
 7   <system.webServer>
 8     <modules>
 9       <add name="DemoModule" type="ThreeLayerWebDemo._2019_7_14_Event.MyHttpModule"/>
10     </modules>
11   </system.webServer>

**ThreeLayerWebDemo._2019_7_14_Event.MyHttpModule：如下图**