<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>js test</title>
<script>
/*
时间倒计时插件
TimeDown.js
*/
function TimeDown(id, endDateStr,times) {
//结束时间
var endDate = new Date(endDateStr);
//当前时间
var nowDate = new Date();
//相差的总秒数
var totalSeconds = parseInt((endDate - nowDate) / 1000);
//天数
var days = Math.floor(totalSeconds / (60 * 60 * 24));
//取模（余数）
var modulo = totalSeconds % (60 * 60 * 24);
//小时数
var hours = Math.floor(modulo / (60 * 60));
modulo = modulo % (60 * 60);
//分钟
var minutes = Math.floor(modulo / 60);
//秒
var seconds = modulo % 60;
//输出到页面
document.getElementById(id).innerHTML = "还剩:" + days + "天" + hours + "小时" + minutes + "分钟" + seconds + "秒";
//延迟一秒执行自己
if(times>minutes && minutes!=0){
times--;
//修改数据库时间
console.log("写入数据库数据:" + times);
}
setTimeout(function () {
//15分钟结束后暂停倒计时
if(minutes>=0){
TimeDown(id,endDateStr,times);
}
}, 1000)
}
</script>
</head>
<body>
<form id="form1" runat="server">
<div id="show">
</div>
<script type="text/javascript">
var times = 15;
//获取当前时间
var date = new Date();
//修改分钟
date.setMinutes(date.getMinutes()+times);
TimeDown("show",date,times);
</script>
</form>
</body>
</html>