asp.net文本記數器(C#)

來源:互聯網
上載者:User
asp.net|asp.net global.asa必須放在網站根目錄裡
global.asa
----------------------------------------------------------------------
<script language="c#" runat="server">
void Session_OnStart(){
Application.Lock();
Application["whoson"]=Convert.ToInt32(Application["whoson"])+1;
Application.UnLock();
}
void Session_OnEnd(){
Application.Lock();
Application["whoson"]=Convert.ToInt32(Application["whoson"])-1;
Application.UnLock();
}
public void Application_OnStart(){
Application.Lock();
Application["whoson"]=0;
Application.UnLock();
}
</script>
-------------------------------------------------------------------------

count_txt.asp

-------------------------------------------------------------------------

<%@ Page language="C#"%>
<%@ Import Namespace="System.IO"%>

<Script language="C#" runat="server">
public void Page_Load(Object src,EventArgs e)
{
//以下為讀取檔案,目前的目錄必須有count.txt這個檔案否則會出錯
StreamReader sr=File.OpenText(Server.MapPath(".")+"\\count.txt");
Application.Lock();
Application["count"]=sr.ReadLine();
Application["count"]=Convert.ToInt32(Application["count"])+1;
Application.UnLock();
sr.Close();

//建立檔案
StreamWriter rw=File.CreateText(Server.MapPath(".")+"\\count.txt");
Application.Lock();
rw.WriteLine(Application["count"]);
Application.UnLock();
rw.Flush(); //寫入
rw.Close();

count_1.Text="您是本站第"+Application["count"].ToString()+"位訪問者";
}
</Script>
<html>
<head>
</head>
<body>
<hr>
<asp:Label ID="count_1" runat="server"/>
</body>
</html>






聯繫我們

該頁面正文內容均來源於網絡整理,並不代表阿里雲官方的觀點,該頁面所提到的產品和服務也與阿里云無關,如果該頁面內容對您造成了困擾,歡迎寫郵件給我們,收到郵件我們將在5個工作日內處理。

如果您發現本社區中有涉嫌抄襲的內容,歡迎發送郵件至: info-contact@alibabacloud.com 進行舉報並提供相關證據,工作人員會在 5 個工作天內聯絡您,一經查實,本站將立刻刪除涉嫌侵權內容。

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.