倒计时

js代码倒计时

    var time_now_server,time_now_client,time_end,time_server_client,timerID;  var oDate = new Date();var year = oDate.getFullYear();   //获取系统的年；var month = oDate.getMonth()+1;   //获取系统月份，由于月份是从0开始计算，所以要加1var day = oDate.getDate(); // 获取系统日，var hours = oDate.getHours(); //获取系统时，var minutes = oDate.getMinutes(); //分var seconds = oDate.getSeconds(); //秒console.log(year);console.log(month);console.log(day);// time_end=new Date(year+'/'+month+'/'+(day+1)+" 00:00:00");  // time_end=time_end.getTime();  time_now_server=new Date();//开始的时间time_now_server=time_now_server.getTime();  time_now_client=new Date();  time_now_client=time_now_client.getTime();  time_server_client=time_now_server-time_now_client;  function show_time(time)  {  var timer = document.getElementById("timer");  if(!timer){  return ;  }  timer.innerHTML =time_server_client;  var time_now,time_distance,str_time;  var int_day,int_hour,int_minute,int_second;  var time_now=new Date();  time_now=time_now.getTime()+time_server_client;  time_distance=time-time_now;  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=int_hour+"小时"+int_minute+"分钟"+int_second+"秒";var str = '';                str += '<span>本轮剩余时间</span>';str += '<span class="span-time">'+int_hour+'</span>:';str += '<span class="span-time">'+int_minute+'</span>:';str += '<span class="span-time">'+int_second+'</span>';         timer.innerHTML=str;  setTimeout("show_time("+time+")",1000);  }  else  {  timer.innerHTML =timer.innerHTML;  clearTimeout(timerID)  }  } 

html代码：

<div class="seckill-time"><div id="timer" class="seckill-time-area"><span>本轮剩余时间</span><span class="span-time">00</span>:<span class="span-time">00</span>:<span class="span-time">00</span></div><span class="seckill-next"></span>
</div>