同一页面多个商品倒计时JS 基于面向对象的javascript

复制代码 代码如下:

  <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

  <html xmlns="http://www.w3.org/1999/xhtml">

  <head>

  <title></title>

  <script src="http://dl.glzy8.com/img/jslib/jquery/jquery-1.7.1.min.js" type="text/javascript"></script>

  <script type="text/javascript">

  function showTime(tuanid, time_distance) {

  this.tuanid = tuanid;

  //PHP时间是秒,JS时间是微秒

  this.time_distance = time_distance * 1000;

  }

  showTime.prototype.setTimeShow = function () {

  var timer = $("#lefttime_" + this.tuanid);

  var str_time;

  var int_day, int_hour, int_minute, int_second;

  time_distance = this.time_distance;

  this.time_distance = this.time_distance - 1000;

  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_day + "天" + int_hour + "小时" + int_minute + "分钟" + int_second + "秒";

  timer.text(str_time);

  var self = this;

  setTimeout(function () { self.setTimeShow(); }, 1000); //D:正确

  } else {

  timer.text("团购结束");

  return;

  }

  }

  </script>

  </head>

  <body>

  <div id="lefttime_1" time="2011/11/23 6:58:23">

  </div>

  <script type="text/javascript">

  var st = new showTime(1,3);

  //st.tuanid = 1;

  //st.time_distance = 10000;

  st.setTimeShow();

  </script>

  <div id="lefttime_2" time="2011/11/24 6:58:23">

  </div>

  <script type="text/javascript">

  var st = new showTime(2, 5);

  //st.tuanid = 1;

  //st.time_distance = 10000;

  st.setTimeShow();

  </script>

  </body>

  </html>

  上面的代码需要用到jquery,大家可以注意下