不用Global.asa也能实现统计在线人数吗？
<%
sessionID = session.SessionID
timeout = 5
' 设置session保持的时间.
Conn_String = "DRIVER={Microsoft Access Driver (*.mdb)};DBQ=" & Server.MapPath("count.mdb")
'Conn_String = "activeUser"
' 最好设置DSN = "activeuser",因为我们需要在所有的ASP脚本中包含这个文件.
Set ConnCount =Server.CreateObject("ADODB.Connection")
ConnCount.Open Conn_String
aaa = dateadd("n", -timeout, now())
connCount.Execute ("delete * from count where postdate < #" & aaa & "#")
' 在超时后删除session.
sql0 = "select sess from count where sess='" & sessionID & "'"
' 保持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
sql2 = "select count(sess) from count"
' 计算sessionID.
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
%>
当前正有<%=count%>人在随风起舞流连忘返!
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