js部分
setInterval("time_controller()",1000);
function time_controller(){
$(".time_val").each(function(){
var time_id = "time_show_"+$(this).attr('for');
var time_val= $(this).attr('value');
$(this).attr('value',time_val-1);
show_time(time_id,time_val*1000);
});
}
function show_time(id,timestamp)
{
var timer = document.getElementById(id);
var str_time,int_day,int_hour,int_minute,int_second;
var time_distance = timestamp;
if(time_distance>0)
{
int_day=Math.floor(time_distance/86400000)
time_distance-=int_day*86400000;
int_hour=Math.floor(time_distance/3600000)
time_distance-=int_hour*3600000;
int_minute=Math.floor(time_distance/60000)
time_distance-=int_minute*60000;
int_second=Math.floor(time_distance/1000)
if(int_hour<10)
int_hour="0"+int_hour;
if(int_minute<10)
int_minute="0"+int_minute;
if(int_second<10)
int_second="0"+int_second;
str_time="剩余时间："+int_day+"天"+int_hour+"小时"+int_minute+"分钟"+int_second+"秒";
timer.innerHTML=str_time;
}else{
timer.innerHTML="剩余时间： 0天0小时0分钟0秒";
}
}html部分，php 和 js 的时间倒计时
