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
Access 2000 数据库 80 万记录通用快速分页类
Microsoft JET Database Engine 错误 ''80004005'' 未指定的错误的完美解决方法
收藏的ASP常用的函数集
asp分页的一个类
ASP开发网页牢记注意事项
ASP下操作Excel技术总结分析
ASP数据岛操作类
ASP经典分页类
asp论坛在线人数统计研究
ASP调用SQL SERVER存储程序
asp输出bmp
ASP连接数据库的全能代码
ASP面向对象编程探讨及比较
web文件管理器的后续开发
一小偷类!!有兴趣的可以看看
利用ASP实现事务处理的方法
大数量查询分页显示 微软的解决办法
如何把ASP编写成DLL
asp实现树型结构
超级ASP大分页_我的类容我做主

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: 226 ::
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