<!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="11/15/2015 17:24:0"></div> <div class="lxftime" endtime="11/8/2015 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="11/15/2015 17:24:0" lxfday="no"></div> <div class="lxftime" endtime="11/8/2015 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>