<script language="javascript">
function dytime()
{
var tim=document.form1.times.value;
timeLeft=tim*60*1000;
countTime();
}
function countTime()
{ if(timeLeft == 0)
{
alert("時間になります！");
document.form1.submit();
}
var startMinutes = parseInt(timeLeft / (60 * 1000), 10);
var startSec = parseInt((timeLeft - startMinutes * 60 * 1000)/1000)
document.form1.xiao.innerText = "試験余り時間：" + startMinutes + "分間" + startSec + "秒";
timeLeft = timeLeft - 1000;
setTimeout('countTime()',1000);
}
</script>
怎么一刷新时间就回到初始值，请高手指点下，怎么写才能防止刷新，时间不回初始值，谢谢！！
http://topic.csdn.net/u/20080122/10/77970059-c00d-42bb-8522-9f510fa84ad7.html<%@LANGUAGE="VBSCRIPT" CODEPAGE="936"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<script language="javascript">
var tim,time1;
window.onload=function(){dytime();}
function dytime()
{
//setCookie("jjj",null,1);
//delCookie("jjj");
clearTimeout(time1);
document.form1.xiao.innerText ="";
//alert(getCookie("jjj"))
if(getCookie("jjj")!=null)
{
arr=getCookie("jjj").split(";");
document.form1.xiao.innerText ="試験余り時間："+arr[0]+ "分間" +arr[1] + "秒";
timeLeft=arr[0]*60*1000+arr[1]*1000;
}
else
{
tim=document.form1.times.value;
//alert(tim)
if(!isNaN(tim)||tim!="")
{
timeLeft = tim * 60 * 1000; //此处总是报NAN错误
}
else
{
alert("error");
return false;
}
}
countTime();
}
function countTime()
{ if(timeLeft == 0)
{
delCookie("jjj");
//alert(getCookie("jjj"))
alert("時間になります！");
document.form1.submit();
}
var startMinutes = parseInt(timeLeft / (60 * 1000), 10);
var startSec = parseInt((timeLeft - startMinutes * 60 * 1000)/1000)
document.form1.xiao.innerText = "試験余り時間：" + startMinutes + "分間" + startSec + "秒";
setCookie("jjj",parseInt(startMinutes)+";"+parseInt(startSec),1);
timeLeft = timeLeft - 1000;
time1=setTimeout('countTime()',1000);
}
</script>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>Untitled Document</title>
</head><body>
<form name="form1" action="2.asp">
<input type="text" name="times" value=5>
<input type="text" name="xiao" >
<input type="button" >
</form></body>
</html>
<script language="javascript">
function setCookie(name,value,expires)
{
var expDays = expires*24*60*60*1000;
var expDate = new Date();
expDate.setTime(expDate.getTime()+expDays);
var expString = ((expires==null) ? "" : ";expires="+expDate.toGMTString())
document.cookie = name + "=" + escape(value) + expString ;
}
function getCookie(name)
{
var value = null;
var myCookie = document.cookie + ";";
var searchName = name + "=";
var startOfCookie = myCookie.indexOf(searchName);
var endOfCookie;
if (startOfCookie != -1)
{
startOfCookie += searchName.length;
endOfCookie = myCookie.indexOf(";",startOfCookie);
value = unescape(myCookie.substring(startOfCookie, endOfCookie));
}
return value;
}
function delCookie(name)//删除cookie
{
var exp = new Date();
exp.setTime(exp.getTime() - 1);
var cval=getCookie(name);
if(cval!=null) document.cookie= name + "="+cval+";expires="+exp.toGMTString();
}
</script>