jquery如何實(shí)現(xiàn)倒計(jì)時(shí)小應(yīng)用

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具體內(nèi)容如下

html

<div id="shop_rec">
  <ul class="cf">
    <li>
      <img src="image/goods.jpg" alt="小米 Note 頂配版" />
      <div>
        <h6>小米 Note 頂配版</h6>
        <p>全網(wǎng)通 香檳金 移動(dòng)聯(lián)通<br />雙4G手機(jī) 雙卡雙待</p>
        <em>&yen;2998<i>起</i></em>
        <span class="time" data-starttime="1445982375" data-endtime="1446350400"></span>
      </div>
    </li>
    <li>
      <img src="image/goods.jpg" alt="小米 Note 頂配版" />
      <div>
        <h6>小米 Note 頂配版</h6>
        <p>全網(wǎng)通 香檳金 移動(dòng)聯(lián)通<br />雙4G手機(jī) 雙卡雙待</p>
        <em>&yen;2998<i>起</i></em>
        <span class="time" data-starttime="1445912375" data-endtime="1436350400"></span>
      </div>
    </li>
  </ul>
</div>

jquery

$(function(){
  var abj = $("#shop_rec"),
    timeObj = abj.find('.time');
  var starttime = timeObj.data('starttime');

  // 定時(shí)器函數(shù)
  function actionDo(){
    return setInterval(function(){
      timeObj.each(function(index, el) {
        var t = $(this),
          surplusTime = t.data('endtime') -starttime;
        if (surplusTime <= 0) {
          t.html("活動(dòng)已經(jīng)開(kāi)始");
        } else{
          var year = surplusTime/(24*60*60*365),
            showYear = parseInt(year),
            month = (year-showYear)*12,
            showMonth = parseInt(month),
            day = (month-showMonth)*30,
            showDay = parseInt(day),
            hour = (day-showDay)*24,
            showHour = parseInt(hour),
            minute = (hour-showHour)*60,
            showMinute = parseInt(minute),
            seconds = (minute-showMinute)*60,
            showSeconds = parseInt(seconds);
          t.html("");
          if (showYear>0) {
            t.append("<span>"+showYear+"年</span>")
          };
          if (showMonth>0) {
            t.append("<span>"+showMonth+"月</span>")
          };
          if (showDay>0) {
            t.append("<span>"+showDay+"天</span>")
          };
          if (showHour>=0) {
            t.append("<span>"+showHour+"小時(shí)</span>")
          };
          if (showMinute>=0) {
            t.append("<span>"+showMinute+"分鐘</span>")
          };
          if (showSeconds>=0) {
            t.append("<span>"+showSeconds+"秒</span>")
          };
        };
      });
      starttime++;
    },1000); // 設(shè)定執(zhí)行或延時(shí)時(shí)間
  };
  // 執(zhí)行它
  actionDo();
});

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