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Copy path09-倒计时.html
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09-倒计时.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<meta name="viewport" content="width=device-width,initial-scale=1.0,maximum-scale=1.0,user-scalable=0" />
<title>倒计时</title>
<meta name="description" content="">
<meta name="keywords" content="">
<link href="" rel="stylesheet">
<style type="text/css">
</style>
</head>
<body>
<div id="countdown"></div>
<script type="text/javascript" src="js/jquery-1.11.1.min.js"></script>
<script type="text/javascript">
countDown(new Date().getTime(),new Date('2020-11-18 18:00').getTime(),done);
//倒计时（开始时间戳，结束时间的时间戳、倒计时完毕执行的方法，2个时间戳需用服务器时间，因为本地时间和服务时间有误差）
function countDown(startStamp,endStamp,fun){
var countdown=document.getElementById("countdown");
var time=parseInt((endStamp-startStamp)/1000);
var timer=setInterval(function(){
if (time<=0) {
fun();//倒计时完毕执行
clearInterval(timer);//清除倒计时
return;
}
time--;
var minute=parseInt(time/60);
var second=parseInt(time%60);
if (minute<10) {
minute='0'+minute;
}
if (second<10) {
second='0'+second;
}
countdown.innerHTML=minute+':'+second;
},1000);
}
//倒计时完成执行的方法
function done(){
alert('倒计时完毕');
}
</script>
</body>
</html>