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不用Global.asa也能实现统计在线人数吗？
站长资源 2024/12/25 佚名
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DDR爱好者之家 Design By 杰米

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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