以下介绍用数据库实现简单计数器
'下面存为count.asp
<%
Set conn=Server.CreateObject("ADODB.Connection")
conn.Open "driver={Microsoft Access Driver (*.mdb)};dbq="& Server.MapPath("count.mdb")
%>
<%on error resume next%>
<%sql="update count set hit=hit+1%><%conn.Execute(sql)%>
<%sql = "select * from count
set rs=conn.execute(sql)
%>
<%
'更新每周每日数据
lasthit=rs("lasthit")
tdate=year(Now()) & "-" & month(Now()) & "-" & day(Now())
if trim(lasthit)=trim(tdate) then
sql="update site set dayhit=dayhit+1 where id="&request("id")
conn.Execute(sql)
' response.write "success"
else
sql="update site set dayhit=1 where id="&request("id")
conn.Execute(sql)
' response.write "error"
end if
sql="update site set lasthit='"&tdate&"' where ID="&request("id")
conn.Execute(sql)

p_year=CInt(year(Now()))-CInt(year(lasthit))
p_month=CInt(month(Now()))-CInt(month(lasthit))
p_day=CInt(day(Now()))-CInt(day(lasthit))
period_time=((p_year*12+p_month)*30+p_day)
if cint(period_time)=<cint(7) then
sql="update site set weekhit=weekhit+1 where id="&request("id")
conn.Execute(sql)
else
sql="update site set weekhit=1 where id="&request("id")
conn.Execute(sql)
end if
%>
document.write('<tr><td width="100%">今日访问<%=rs("dayhit")%>次,本周访问<%=rs("weekhit")%>次,总访问<%=rs("hit")%>次</td></tr>');
<%rs.close
set rs=nothing%>

'用<script language="JavaScript1.1" src="count.asp"></script>在要统计的页面调用即可.

建立数据库:建一个count的MDB库,再建一个表count,表中字段为
hit 数字型
dayhit 数字型
weekhit 数字型
lasthit 日期型
 

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