利用IHttpHandler计算页面的执行时间

出处:http://www.chenjiliang.com/Article/View.aspx?ArticleID=3463&TypeID=5

来自Cuyahoga 使用自定义的PageHandler处理所有的aspx页面 获取页面的执行时间

复制C#代码保存代码

using System;
using System.Web;
using System.Web.UI;
using System.Web.SessionState;

namespace Cuyahoga.Web.HttpHandlers
{
/// <summary>
    /// This class handles all aspx page requests for Cuyahoga.
    /// </summary>
    public class PageHandler : IHttpHandler, IRequiresSessionState
{
        #region IHttpHandler Members
        /// <summary>
        /// Process the aspx request. This means (eventually) rewriting the url and registering the page
        /// in the container.
        /// </summary>
        /// <param name="context"></param>
        public void ProcessRequest(HttpContext context)
{
string rawUrl = context.Request.RawUrl;
DateTime startTime = DateTime.Now;
// Obtain the handler for the current page
            string aspxPagePath = rawUrl.Substring(0, rawUrl.IndexOf(".aspx") + 5);
IHttpHandler handler = PageParser.GetCompiledPageInstance(aspxPagePath, null, context);

// Process the page just like any other aspx page
            handler.ProcessRequest(context);
TimeSpan duration = DateTime.Now - startTime;
context.Response.Write(String.Format("Request finshed. Total duration: {0} ms.",
duration.Milliseconds));
}

/// <summary>
        ///
        /// </summary>
        public bool IsReusable
{
get { return true; }
}
        #endregion
    }
}

webconfig中注册HttpHandler
复制XML代码保存代码

<httpHandlers>
<add verb="*" path="*.aspx"
type="Cuyahoga.Web.HttpHandlers.PageHandler,Cuyahoga.Web" />
</httpHandlers>

<httpHandlers>
<add verb="*" path="*.aspx"
type="Cuyahoga.Web.HttpHandlers.PageHandler,Cuyahoga.Web" />
</httpHandlers>
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