WechatIMG330.jpeg
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
<link rel="stylesheet" href="https://cdn.bootcss.com/amazeui/2.7.0/css/amazeui.min.css">
<style media="screen">
i.icon {
float: left;
width: 36px;
height: 36px;
line-height: 32px;
vertical-align: middle;
text-align: center;
border-radius: 50%;
border: 2px solid #2a75ed;
color: #2a75ed;
box-sizing: border-box;
}
</style>
</head>
<body>
<div class="time"></div>
<i class="icon am-icon-pause"></i>
<script src="https://cdn.bootcss.com/jquery/1.12.4/jquery.min.js"></script>
<!-- 倒计时 -->
<script type="text/javascript">
var Time = 9000;
var int = null;
var $time = $('.time');
function timer() {
Time--;
if (Time == 0) {
alert('时间到')
}
int = setTimeout(timer, 1000);
var minutes = parseInt((Time / 60)); // 分
var seconds = parseInt((Time % 60)); // 秒
function checkTime(i) { //将0-9的数字前面加上0\. 1变为01
if (i < 10) {
return '0' + i;
} else {
return i;
}
}
minutes = checkTime(minutes);
seconds = checkTime(seconds);
$time.html(minutes + ':' + seconds);
}
timer();
// 点击事件 开启、暂停时间
var $icon = $('i.icon');
$icon.on('click', function() {
if ($(this).hasClass('am-icon-pause')) {
$(this).removeClass('am-icon-pause').addClass('am-icon-play');
// 点击图标暂停
clearInterval(int);
} else {
$(this).addClass('am-icon-pause');
// 点击图标开启
timer();
}
})
</script>
</body>
</html>