想了解显示在线人数的相关内容吗，在本文为您仔细讲解的相关知识和一些Code实例，欢迎阅读和指正，我们先划重点：显示在线人数，下面大家一起来学习吧。
<%
NowUrl=request.servervariables("HTTP_REFERER")
UserName = session("Wenday_sys_User")
if UserName="" then
UserName="客人"
end if
call sqlonline()
Response.Write "document.write(" & chr(34) & " <font color=#000000>当前在线 "& online() &"人</font>"& chr(34) & ")"
'Response.Write "document.write(" & chr(34) & " <a href=count/ShowOnline.asp title=查看在线列表><font color=#000000>当前在线"& online() &"人</font></a>"& chr(34) & ")"
sub sqlonline()
dim statuserid
statuserid=replace(Request.ServerVariables("REMOTE_HOST"),".","")
Response.Cookies("Wenday_Sys")("onlineid")=statuserid
sql="select id from "&CategoryName&"_online where id="&cstr(request.cookies("Wenday_Sys")("onlineid"))
set rs=conn.execute(sql)
if rs.eof and rs.bof then
sql="insert into "&CategoryName&"_online(id,UserName,ip,startime,lastimebk,browser,actforip,Now_Url) values ("&statuserid&",'"&UserName&"','"&Request.ServerVariables("REMOTE_HOST")&"',now(),now(),'"&Request.ServerVariables("HTTP_USER_AGENT")&"','"&Request.ServerVariables("HTTP_X_FORWARDED_FOR")&"','"&request.servervariables("HTTP_REFERER")&"')"
else
sql="update "&CategoryName&"_online set lastimebk=now(),UserName='"&UserName&"' where id="&cstr(request.cookies("Wenday_Sys")("onlineid"))
end if
conn.execute(sql)
set rs=nothing
Rem 删除超时用户
sql="Delete FROM "&CategoryName&"_online WHERE DATEDIFF('s', lastimebk, now()) > "&kicktime&"*60"
Conn.Execute sql
end sub
function online()
dim tmprs
sql="Select count(id) from "&CategoryName&"_online"
set tmprs=conn.execute(sql)
online=tmprs(0)
set tmprs=nothing
if isnull(online) then online=0
end function
CloseDatabase
%>
