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ASP.NET流量统计—使用Global.asax文件统计网站的总访问量保存在txt文本文件中

<%@ApplicationLanguage="C#"%> 

<%@ImportNamespace="System"%>

<%@ImportNamespace="System.Collections"%>

<%@ImportNamespace="System.ComponentModel "%>

<%@ImportNamespace="System.Web"%>

<%@ImportNamespace="System.Web.SessionState"%>

<%@ImportNamespace=" System.IO "%>

<scriptrunat="server">

void Application_Start(object sender, EventArgs e)

{

//在应用程序启动时运行的代码

//+++++++++++++++++++++++++++++

int count = 0;

StreamReader srd;

//取得文件的实际路径

string file_path = Server.MapPath("App_Data") + "\\" + "VisitCount.txt";

//打开文件进行读取

srd = File.OpenText(file_path);

while (srd.Peek() != -1)

{

string str = srd.ReadLine();

count = int.Parse(str);

}

srd.Close();

object obj = count;

//将从文件中读取的网站访问量存放在Application对象中

Application["counter"] = obj;

//+++++++++++++++++++++++++++++

}

void Application_End(object sender, EventArgs e)

{

//在应用程序关闭时运行的代码

}

void Application_Error(object sender, EventArgs e)

{

//在出现未处理的错误时运行的代码

}

void Session_Start(object sender, EventArgs e)

{

//在新会话启动时运行的代码

//+++++++++++++++++++++++++++++

Application.Lock();

int Stat = 0;

//获取Application对象中保存的网站总访问量

Stat = (int)Application["counter"];

Stat += 1;

object obj = Stat;

Application["counter"] = obj;

//将数据记录写入文件

string file_path = Server.MapPath("App_Data") + "\\" + "VisitCount.txt";

StreamWriter srw = newStreamWriter(file_path, false);

srw.WriteLine(Stat);

srw.Close();

Application.UnLock();

//+++++++++++++++++++++++++++++

}

void Session_End(object sender, EventArgs e)

{

//在会话结束时运行的代码。 

//注意: 只有在 Web.config 文件中的 sessionstate 模式设置为

// InProc时，才会引发 Session_End 事件。如果会话模式 

//设置为 StateServer 或 SQLServer，则不会引发该事件。

//+++++++++++++++++++++++++++++

int Stat = 0;

Stat = (int)Application["counter"];

string file_path = Server.MapPath("App_Data") + "\\" + "VisitCount.txt";

StreamWriter srw = newStreamWriter(file_path, false);

srw.WriteLine(Stat);

srw.Close();

//+++++++++++++++++++++++++++++

}

</script>