Js倒计时功能实现

在页面上实现倒计时的功能,如下图:

代码:

js:

//获取服务器当前时间
var serverTime;
$(document).ready(function(){
	serverTime = new Date($.ajax({async: false}).getResponseHeader("Date")).getTime();
});

//
var asd = setInterval(showTime, 1000);
function showTime(){
	$(".asd").each(function(){
		var createTime = $(this).attr("data");//获取开始时间
		var nowTime = serverTime;//用服务器的当前时间
		var time = createTime - (nowTime - 864000000);//此处864000000为倒计时时长的毫秒数
		var day = parseInt(time /1000 / 60 / 60 / 24);
		var hour = parseInt(time /1000 / 60 / 60 % 24);
		var minute = parseInt(time / 1000 / 60 % 60);
		var seconds = parseInt(time / 1000 % 60);
		$(this).html("还剩" + day + "天" + hour + "时" + minute + "分" + seconds + "秒");
	});
	serverTime = serverTime - (- 1000);
} 

html:

<span class="asd" data="${order.createTime.getTime()}"></span>

 另:时间统一问题可以参考https://blog.csdn.net/baidu_23275675/article/details/82898519

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转载自blog.csdn.net/baidu_23275675/article/details/83213267