vue实现商城秒杀倒计时功能

<div>
  <div class="ponent-wrapper" id="flash-sale">
   <div class="sale-header">
    <div class="countdown-zone">
     <div class="countdown-prefix">限時快搶</div>
     <div class="countdown pure-css-countdown active">
       <div class="digits-wrapper hours">11</div>
       <div class="digits-seperator">月</div>
       <div class="digits-wrapper minutes">02</div>
       <div class="digits-seperator">日</div>
       <div class="digits-seperator">——</div>
       <div class="digits-wrapper seconds">11</div>
       <div class="digits-seperator">月</div>
       <div class="digits-wrapper">03</div>
       <div class="digits-seperator">日</div>
     </div>
    </div>
   </div>
  </div>
 </div>

export default {
  data() {
    return {
   hou:0,
   min:0,
   sec:0,
   ssec:0,
   endTime:'',
   disprArr:[],
    }
  },
  created(){
    let that=this
    that.time()
  },
  methods:{
    time(){
   var that=this
   var interval = setInterval(function timestampToTime(){
   
   var date=(new Date(结束的时间戳)) - (new Date());
   //new Date当前的时间戳，也可以换成自定义的时间戳
   if (date > 0) {
     let time = date / 1000;
     // 获取时、分、秒,毫秒
     that.hou = parseInt((time % (60  60  24)) / 3600)<10?('0'+parseInt((time % (60  60  24)) / 3600)):parseInt((time % (60  60  24)) / 3600)
     that.min = parseInt(((time % (60  60  24)) % 3600) / 60)<10?('0'+parseInt(((time % (60  60  24)) % 3600) / 60)):parseInt(((time % (60  60  24)) % 3600) / 60);
     that.sec = parseInt(((time % (60  60  24)) % 3600) % 60)<10?('0'+parseInt(((time % (60  60  24)) % 3600) % 60)):parseInt(((time % (60  60  24)) % 3600) % 60);
     that.ssec= parseInt(((date % (60  60  24)) % 3600) / 60)%10
    } else {
     //活动已结束，全部设置为'00'
     // console.log("aaa")
      that.day="00",
      that.hou="00",
      that.min="00",
      that.sec="00"
    }
  },100)
  }
  },
};