/** * 计算倒计时 * @param endtime('yyyy-mm-dd hh:mm:ss' 格式 或者 timestamp 格式) * @param 'yyyy-mm-dd hh:mm:ss' 格式 或者 timestamp 格式) * @return obj对象(obj.days（天）,obj.hours（时）,obj.minutes（分）,obj.seconds（秒）) */function caculateCountDownTime(endtime,nowtime){ var timeObj = new Object(); var endtimeDate = new Date(endtime); var nowtimeDate = new Date(nowtime); var endtimeStamp; var nowtimeStamp; if(endtimeDate == "Invalid Date"){ endtimeStamp = endtime; }else{ endtimeStamp = endtimeDate.getTime(); } if(nowtimeDate == "Invalid Date"){ nowtimestamp = nowtime; }else{ nowtimestamp = nowtimeDate.getTime(); } if(endtimeStamp>nowtimestamp){ var date3=endtimeStamp-nowtimestamp; //时间差的毫秒数 //计算出相差天数 var days=Math.floor(date3/(24*3600*1000)) //计算出小时数 var leave1=date3%(24*3600*1000) //计算天数后剩余的毫秒数 var hours=Math.floor(leave1/(3600*1000)) //计算相差分钟数 var leave2=leave1%(3600*1000) //计算小时数后剩余的毫秒数 var minutes=Math.floor(leave2/(60*1000)) //计算相差秒数 var leave3=leave2%(60*1000) //计算分钟数后剩余的毫秒数 var seconds=Math.round(leave3/1000) timeObj.days = days; timeObj.hours = hours; timeObj.minutes = minutes; timeObj.seconds = seconds; }else{ timeObj.days = 0; timeObj.hours = 0; timeObj.minutes = 0; timeObj.seconds = 0; } return timeObj;}