網(wǎng)站統(tǒng)計(jì)在線人數(shù)的功能已經(jīng)很普遍，主要應(yīng)用了全局變量application和session對(duì)象。描述說明就免了，大家都很熟悉簡單貼一下代碼，在Global.asax文件中寫如下代碼

1 protected void Application_Start(object sender, EventArgs e) 2 { 3 HttpApplicationState applicationstate = GetApplicationstate(); 4 applicationstate["Count"] = 0; 5 } 6 7 private static HttpApplicationState GetApplicationstate() 8 { 9 //獲取上下文對(duì)象 10 HttpContext context = HttpContext.Current; 11 //獲得application對(duì)象 12 HttpApplicationState applicationstate = context.Application; 13 //在網(wǎng)站啟動(dòng)時(shí)默認(rèn)當(dāng)前在線人數(shù)為0 14 return applicationstate; 15 } 16 17 protected void Session_Start(object sender, EventArgs e) 18 { 19 20 HttpApplicationState applicationstate = GetApplicationstate(); 21 //訪問人數(shù)增加一個(gè) 22 applicationstate["Count"] = (int)applicationstate["Count"]+1; 23 } 24 protected void Session_End(object sender, EventArgs e) 25 { 26 HttpApplicationState applicationstate = GetApplicationstate(); 27 //訪問人數(shù)減少一個(gè) 28 applicationstate["Count"] = (int)applicationstate["Count"] - 1; 29 }

???? 然后在頁面獲取一下application["Count"]就可以了。在pageload事件中加上：this.lblCount.Text = this.Application["Count"].ToString();

在前臺(tái)加一個(gè)label：

當(dāng)前在線人數(shù)：<asp:Label runat="server" ID="lblCount"></asp:Label>

統(tǒng)計(jì)在線人數(shù)就完成了。

轉(zhuǎn)載于:https://www.cnblogs.com/zhanjun/archive/2012/11/11/2765604.html

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