ASP Session_OnStart 与 Session(ASP Session_OnStart and Session

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作者:w3pop.com 翻译/整理:w3pop.com 发布:2007-04-28 浏览:1514 ::

The Session_OnStart event occurs when the server creates a session.
当服务器建立一个Session之后产生Session_OnStart事件。

This event is placed in the Global.asa file.
这个事件的程序是放置在Global.asa文件内的

The Session_OnEnd event occurs when the session ends (abandoned or times out).
当Session结束（以及Session被“Abandon放弃”或“Timeout过期”）后产生Session_OnEnd事件。

This event is placed in the Global.asa file.
这个事件的程序是放置在Global.asa文件内的

Note: The MapPath method cannot be used in the Session_OnEnd code.
注意：绝对路径的方法是不能被用在Session_OnEnd代码内的。

<script language="vbscript" runat="server">

Sub Session_OnStart
. . . 
End Sub

Sub Session_OnEnd
. . . 
End Sub

</script>

Global.asa:

<script language="vbscript" runat="server">

Sub Application_OnEnd()
Application("totvisitors")=Application("visitors")
End Sub

Sub Application_OnStart
Application("visitors")=0
End Sub

Sub Session_OnStart
Application.Lock
Application("visitors")=Application("visitors")+1
Application.UnLock
End Sub

Sub Session_OnEnd
Application.Lock
Application("visitors")=Application("visitors")-1
Application.UnLock
End Sub

</script>

To display the number of current visitors in an ASP file:

<html>
<head>
</head>
<body>
<p>
There are <%response.write(Application("visitors"))%>
online now!
</p>
</body>
</html>