C# 底层拦截

public class testModule : IHttpModule
{
    public testModule()
    {
        //
        //TODO: 在此处添加构造函数逻辑
        //
    }

    #region IHttpModule 成员

    public void Dispose()
    {
        //throw new NotImplementedException();
    }

    public void Init(HttpApplication context)
    {
        context.BeginRequest += new EventHandler(context_BeginRequest);

    }

    void context_BeginRequest(object sender, EventArgs e)
    {
        HttpApplication application = (HttpApplication) sender;
        HttpContext context = application.Context;
        //if (context.Request.Path.ToLower().Contains(".aspx") || context.Request.Path.ToLower().Contains(".htm"))
        //{
            context.Response.Write("<script>alert('aaaaa')</script>");
        //}
    }


    #endregion
}

 

config

 

<httpModules>
      <add name="testModule" type="testModule"/>
      <add name="ScriptModule" type="System.Web.Handlers.ScriptModule, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
    </httpModules>

iis配置

主目录》》配置应用程序扩展》》添加》》C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\aspnet_isapi.dll--.htm