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
Web程序中网页间数据传递方法小结
加速ASP程序的显示速度
一个求最大值与最小值的函数
对Session和Cookie的区分与理解
ASP VBScript 函数速查表
用Asp隐藏文件路径,实现防盗链
如何使用ASP生成HTML文件
常用Email组件发送函数
用asp实现QQ在线查询
创建一个ASP通用分页类(一)
创建一个ASP通用分页类(二)
如何使用ASP制作类似安装向导的页面?
远程注册自己的组件
浅谈ASP中Request对象获取客户端数据的顺序
一个拷贝整个文件夹(包括子文件夹)的方法
十天学会ASP之第一天
十天学会ASP之第二天
十天学会ASP之第三天
十天学会ASP之第四天
十天学会ASP之第五天

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: 212 ::
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