/**
* 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;
}