当前位置: 首页 > 图文教程 > 网络编程 > ASP > 不用Global.asa实现在线人数统计

ASP
WSH实用讲座---第四讲 配置目录权限
ASP个人上手指南
正则表达式简介(1-3)
正则表达式简介(4)
正则表达式简介(5-8)
正则表达式简介(9-10)
正则表达式简介(11)
正则表达式简介(12)
正则表达式简介(13)
正则表达式简介(14)
索引和索引调整向导
Microsoft SQL Server 查询处理器的内部机制与结构(1)
Microsoft SQL Server 查询处理器的内部机制与结构(2)
Microsoft SQL Server 7.0数据库设置与数据结构
Microsoft SQL Server 7.0数据库的创建与管理
Microsoft SQLServer安装示例
Microsoft SQL Server 7.0安装问题(一)
Microsoft SQL Server 7.0安装问题(二)
Microsoft 脚本编码器(1) --- 概述
Microsoft 脚本编码器(2) --- 使用脚本编码器

ASP 中的 不用Global.asa实现在线人数统计


出处:互联网   整理: 软晨网(RuanChen.com)   发布: 2009-11-03   浏览: 67 ::
收藏到网摘: n/a

  <%
'count online user without using Global.asa
'script by Narong Khotarasakit
'webmaster of ezebox.com
'report bug : [email protected]


sessionID = session.SessionID
timeout = 5
' set how long to keep this session in minute you can increase this number

Conn_String = "DRIVER={Microsoft Access Driver (*.mdb)};DBQ=" & Server.MapPath("count.mdb")
'Conn_String = "activeUser"
'set your DSN = "activeuser" is a better way because you need include this file to all your asp scripts.


Set ConnCount =Server.CreateObject("ADODB.Connection")
ConnCount.Open Conn_String

' delete session after timeout
aaa = dateadd("n", -timeout, now())
connCount.Execute ("delete * from count where postdate < #" & aaa & "#")


' keep sessionID
sql0 = "select sess from count where sess='" & sessionID & "'"
set rscheck = connCount.Execute (sql0)
if rscheck.eof then
sql = "insert into count (sess,postdate) values('" & sessionID & "', '" & now() & "')"
connCount.Execute (sql)
end if
rscheck.close
set rscheck = nothing

'count sessionID
sql2 = "select count(sess) from count"
set rs = connCount.Execute (sql2)
count = rs(0)
rs.close
set rs = nothing


sql3 = "select * from count"
set rspredel = connCount.Execute (sql3)
do until rspredel.eof
xxx=DateDiff("n", rspredel("postdate"), Now())
if xxx > timeout then
count = count-1
end if
rspredel.movenext
loop
rspredel.close
set rspredel = nothing

connCount.Close
set connCount = nothing

if count = 0 then
count = 1
end if
%>

<%=count%> Active users