jQuery实现倒计时秒杀效果------Sestid

约定不等于承诺〃 2024-04-18 11:42 80阅读 0赞

<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>jQuery每日秒杀倒计时</title>
    
    <style>
    	* {
        margin: 0;
        padding: 0;
    }
     
    .se-kl {
        width: 190px;
        height: 275px;
        background-color: #e83632;
        margin: 100px auto;
        position: relative;
    }
     
    .se-cn {
        position: absolute;
        top: 42px;
        left: 0;
        width: 100%;
        text-align: center;
        font-size: 34px;
        color: #fff;
    }
     
    .se-en {
        position: absolute;
        top: 90px;
        left: 0;
        width: 100%;
        text-align: center;
        font-size: 20px;
        color: rgba(255, 255, 255, 0.5);
    }
     
    .se-io {
        width: 20px;
        height: 33px;
        position: absolute;
        background: url(../imgs/seckill.png) no-repeat;
        background-position: -32.5px 0;
        background-size: 52.5px 40px;
        left: 85px;
        top: 126px;
        display: block;
    }
     
    .se-info {
        position: absolute;
        top: 170px;
        text-align: center;
        width: 100%;
        font-size: 16px;
        color: #fff;
    }
     
    .se-count {
        position: absolute;
        top: 212px;
        left: 30px;
        height: 40px;
    }
     
    .se-day {
        display: none;
    }
     
    .se-hour,
    .se-min,
    .se-sec {
        position: relative;
        background-color: #2f3430;
        width: 40px;
        height: 40px;
        float: left;
        text-align: center;
        line-height: 40px;
        margin-right: 5px;
    }
     
    .se-txt {
        font-size: 20px;
        font-weight: bold;
        color: #fff;
    }
     
    .se-txt:before {
        content: "";
        display: block;
        position: absolute;
        top: 50%;
        left: 0;
        width: 100%;
        height: 1px;
        background-color: #e83632;
    }
    </style>
    </head>
    <body>
    <div class="se-kl">
    	<div class="se-cn">倒计时</div>
    	<div class="se-en">COUNT DOWN</div>
    	<i class="se-io"></i>
    	<div class="se-info">距离结束还剩</div>
    	<div class="se-count">
    		<div class="se-day"></div>
    		<div class="se-hour"><span class="se-txt">00</span></div>
    		<div class="se-min"><span class="se-txt">00</span></div>
    		<div class="se-sec"><span class="se-txt">00</span></div>
    	</div>
    </div>
    <script src="./jquery.js"></script>  
    <script type="text/javascript">
    	$(document).ready(function () {
    		var oDate = new Date();
    		var nowTime = oDate.getTime(); //现在的毫秒数
    		oDate.setDate(oDate.getDate() + 1); // 设定截止时间为第二天
    		var targetDate = new Date(oDate.toLocaleDateString());
    		run(targetDate);
    	});
     
    	function run(enddate) {
    		getDate(enddate);
    		setInterval("getDate('" + enddate + "')", 500);
    	}
     
    	function getDate(enddate) {
    		var oDate = new Date(); //获取日期对象
     
    		var nowTime = oDate.getTime(); //现在的毫秒数
    		var enddate = new Date(enddate);
    		var targetTime = enddate.getTime(); // 截止时间的毫秒数
    		var second = Math.floor((targetTime - nowTime) / 1000); //截止时间距离现在的秒数
     
    		var day = Math.floor(second / 24 * 60 * 60); //整数部分代表的是天；一天有24*60*60=86400秒 ；
    		second = second % 86400; //余数代表剩下的秒数；
    		var hour = Math.floor(second / 3600); //整数部分代表小时；
    		second %= 3600; //余数代表 剩下的秒数；
    		var minute = Math.floor(second / 60);
    		second %= 60;
    		var spanH = $('.se-txt')[0];
    		var spanM = $('.se-txt')[1];
    		var spanS = $('.se-txt')[2];
     
    		spanH.innerHTML = tow(hour);
    		spanM.innerHTML = tow(minute);
    		spanS.innerHTML = tow(second);
    	}
     
    	function tow(n) {
    		return n >= 0 && n < 10 ? '0' + n : '' + n;
    	}
    </script>
    </body>
    </html>