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ASP without Golobal and session to achieve online population statistics

Source: Internet
Author: User
Tags count root directory server memory
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session| Statistics | online | Online number The most commonly used method is Golobal.asa combined session, but this method has two disadvantages:


1, each session to occupy 12k of server memory space, in order to the number of +1 will pay the price of 12k memory.


2, Golobal.asa to be placed in the root directory of the site will work, and the root directory can only have a golobal, contradictions outstanding.


to this end, there is a use of cookies and application in the ASP file to achieve online statistics method, welcomed the criticism, common discussion:


First step: Make a framework that contains hidden frames (count.asp)


Step Two: Write Count.asp


<%


user=request.cookies ("21bbsusername")


totaluser=application ("user")


If InStr (Totaluser,user) =0 then


Application.Lock


application ("user") =totaluser& ";" &user


Application.UnLock


End If


%>


<html>


<head>


<meta http-equiv= "Refresh" content= "2" >


</head>


<body>


</body>


</html>


Step three: Show


<%


user=split (Application ("User"), ";")


num=ubound (user)


Response.Write Num


%>





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