/**
* 倒计时
* @param el 倒计时的父级元素
* @param intDiff 倒计时总秒数量
* 时间默认值 day,hours,minutes,second
*/
var count_down = function (el,intDiff){
var day = 0,
hours = 0,
minutes = 0,
seconds = 0;
var timer = setInterval(function(){
if(intDiff > 0)
{
day = Math.floor(intDiff / (60 * 60 * 24));
hours = Math.floor(intDiff / (60 * 60)) - (day * 24);
minutes = Math.floor(intDiff / 60) - (day * 24 * 60) - (hours * 60);
seconds = Math.floor(intDiff) - (day * 24 * 60 * 60) - (hours * 60 * 60) - (minutes * 60);
}
else
{
//取消定时器
clearInterval(timer);
}
if (day < 10) day = '0' + day;
if (hours < 10) hours = '0' + hours;
if (minutes < 10) minutes = '0' + minutes;
if (seconds < 10) seconds = '0' + seconds;
$(el+' .day').html(day);
$(el+' .hours').html(hours);
$(el+' .minutes').html(minutes);
$(el+' .seconds').html(seconds);
intDiff--;
}, 1000);
};