1.
<meta http-equiv=refresh content="2; url=test.asp">
content 是间秒数
2.在<head></head>加入以下代码
<script>
<!--

var limit="5:00"


if (document.images)
{
var parselimit=limit.split(":")
parselimit=parselimit[0]*60+parselimit[1]*1
}

function beginrefresh()
{
if (!document.images)
return
if (parselimit==1)
window.location.reload()

else
{
parselimit-=1
curmin=Math.floor(parselimit/60)
cursec=parselimit%60
if (curmin!=0)
curtime=curmin+"分"+cursec+"秒后重刷本页!"
else
curtime=cursec+"秒后重刷本页!"
window.status=curtime
setTimeout("beginrefresh()",500)
}
}

window.onload=beginrefresh
//-->
</script>
<meta http-equiv=refresh content="2; url=test.asp">
content 是间秒数
2.在<head></head>加入以下代码



































