- 时间：2020-03-24 12:23 编辑： 来源： 阅读：
- 扫一扫，手机访问
摘要：统计在线人数 dxy
<%
sessid=session.sessionid
timeout=5 '分钟
dim conn,connstr,dbpath
dbpath="online.mdb"
'connstr="DRIVER={Microsoft Access Driver (*.mdb)};DBQ=" & Server.MapPath(dbpath)
connstr="provider=microsoft.jet.oledb.4.0;data source="&server.mappath(dbpath)
set conn=server.createobject("adodb.connection")
conn.open connstr
'删除过期的session
aa=dateadd("n",-timeout,now())
response.write sessid&"<br />"
response.write aa
sqld="delete * from counts where postdate<#"&aa&"#"
conn.execute(sqld)
'保存id
sqlc="select sessid from counts where sessid='"&sessid&"'"
set rscheck=conn.execute(sqlc)
if rscheck.eof then
sqla="insert into counts(sessid,postdate)values('"&sessid&"','"&now()&"')"
conn.execute(sqla)
end if
rscheck.close
set rscheck=nothing
'计算人数
sqlall="select count(sessid) from counts"
set rs=conn.execute(sqlall)
countsall=rs(0)
rs.close
set rs=nothing
sql="select * from counts"
set rspredel=conn.execute(sql)
do until rspredel.eof
xxx=datediff("n",rspredel("postdate"),now())
if xxx>timeout then
countsall=countsall-1
end if
rspredel.movenext
loop
rspredel.close
set rspredel=nothing
conn.close
set conn=nothing
if countsall=0 then
countsall=1
end if
%>
当前有<%=countsall%>人
机械节能产品生产企业官网模板...
大气智能家居家具装修装饰类企业通用网站模板...
礼品公司网站模板
宽屏简约大气婚纱摄影影楼模板...
蓝白WAP手机综合医院类整站源码（独立后台）...
