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jquery倒计时

2013-12-05 11:18 399 查看
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">

<head>

<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

<title>倒计时测试</title>

<script src="http://www.codefans.net/ajaxjs/jquery-1.6.2.min.js" type="text/javascript"></script>

<script>

  function lxfEndtime(){

          $(".lxftime").each(function(){

                var lxfday=$(this).attr("lxfday");//用来判断是否显示天数的变量

                var endtime = new Date($(this).attr("endtime")).getTime();//取结束日期(毫秒值)

                var nowtime = new Date().getTime();        //今天的日期(毫秒值)

                var youtime = endtime-nowtime;//还有多久(毫秒值)

                var seconds = youtime/1000;

                var minutes = Math.floor(seconds/60);

                var hours = Math.floor(minutes/60);

                var days = Math.floor(hours/24);

                var CDay= days ;

                var CHour= hours % 24;

                var CMinute= minutes % 60;

                var CSecond= Math.floor(seconds%60);//"%"是取余运算,可以理解为60进一后取余数,然后只要余数。

                if(endtime<=nowtime){

                        $(this).html("已过期")//如果结束日期小于当前日期就提示过期啦

                        }else{

                                if($(this).attr("lxfday")=="no"){

                                        $(this).html("<i>剩余时间:</i><span>"+CHour+"</span>时<span>"+CMinute+"</span>分<span>"+CSecond+"</span>秒");          //输出没有天数的数据

                                        }else{

                        $(this).html("<i>剩余时间:</i><span>"+days+"</span><em>天</em><span>"+CHour+"</span><em>时</em><span>"+CMinute+"</span><em>分</em><span>"+CSecond+"</span><em>秒</em>");          //输出有天数的数据

                                }

                        }

          });

   setTimeout("lxfEndtime()",1000);

  };

$(function(){

      lxfEndtime();

   });

</script>

<style type="text/css">

<!--

*{

        font-style: normal;

        font-weight: normal;}

.haveday {

        padding: 20px;

        border: 1px dashed #000;

        margin-right: auto;

        margin-left: auto;

        width: 300px;

}

-->

</style>

</head>

<body>

<div class="haveday">

<h1>含有天数的倒计时</h1>

<div class="lxftime" endtime="11/15/2011 17:24:0"></div>

<div class="lxftime" endtime="11/8/2011 3:3:20"></div>

<div class="lxftime" endtime="9/6/2015 6:1:0"></div>

<div class="lxftime" endtime="6/6/2016 9:3:5"></div>

</div>

<p></p>

<div class="haveday">

<h1>没有天数的倒计时</h1>

<div class="lxftime" endtime="11/15/2011 17:24:0" lxfday="no"></div>

<div class="lxftime" endtime="11/8/2011 3:3:20" lxfday="no"></div>

<div class="lxftime" endtime="9/6/2015 6:1:0" lxfday="no"></div>

<div class="lxftime" endtime="6/6/2016 9:3:5" lxfday="no"></div>

</div>

</body>

</html>
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