小程序实现列表倒计时功能

<view class="hbMpBox" wx:for="{{mpThing}}" data-goodsId="{{item.goods_id}}" data-id="{{index}}" bindtap="navSeceGroup">
    <view class="hbMpBox_l">
      <image src="{{item.goods_img}}"></image>
    </view>
    <view class="hbMpBox_r">
      <view class="hbMpBox_r_head">{{item.goods_name}}</view>
      <view class="hbMpBox_r_time">
        <view class="syTime_tx " style="font-weight: 600;">距结束:</view>
        <view class="syTime_day">{{item.goods_time[0]}}天</view>
        <view class="syTime_time syTime_time1">{{item.goods_time[1]}}</view>
        <view class="syTime_time1">:</view>
        <view class="syTime_time syTime_time2">{{item.goods_time[2]}}</view>
        <view class="syTime_time1">:</view>
        <view class="syTime_time syTime_time3">{{item.goods_time[3]}}</view>
 
      </view>
      <view class="hbMpBox_r_price">
        <view class="hbMpBox_r_price_l">
          <view class="hbMpBox_r_price_l_box onFontNow" style="max-width: 400rpx;">
            <text style="color: #999;">拼团价:</text><text style="color: #d13d4b;font-size: 34rpx;">￥{{item.secs_price}}</text>
          </view>
           
        </view>
        <view class="hbMpBox_r_price_r">
          趣拼团
        </view>
      </view>
    </view>
  </view>
  <view class="indexMptxBox" wx:if="{{mpThing[0]}}" bindtap="secondGroupNav">
    点击查看更多
</view>

/*秒拼样式书写*/
.hbMpBox{
  padding: 20rpx;
  background: #fff;
  display: flex;
  border-bottom: 2rpx #eee solid;
}
.hbMpBox .hbMpBox_l{
  width: 155rpx;
  height: 140rpx;
  min-width: 155rpx;
 
}
.hbMpBox .hbMpBox_l image{
  width: 100%;
  height: 100%;
}
.hbMpBox .hbMpBox_r{
  width: 540rpx;
  margin-left: 20rpx;
  color: #333;
  font-size: 22rpx;
  position: relative;
}
.hbMpBox .hbMpBox_r .hbMpBox_r_bb{
  display: flex;
  position: relative;
  margin-top: 10rpx;
}
.hbMpBox .hbMpBox_r .hbMpBox_r_l2{
  position: relative;
  max-width: 270rpx;
}
.hbMpBox .hbMpBox_r .hbMpBox_r_hh{
  font-size: 28rpx;
  max-width: 270rpx;
}
.hbMpBox .hbMpBox_r .hbMpBox_r_l2 .hbMpBox_r_l2_h{
  font-size: 40rpx;
 
}
.hbMpBox .hbMpBox_r .hbMpBox_r_l2 .hbMpBox_r_l2_des{
  width: 100%;
  margin-right: 20rpx;
  margin-top: 10rpx;
  color: #a8a8a8;
  line-height: 35rpx;
  height: 70rpx;
  word-break: break-all;
  text-overflow: ellipsis;
  display: -webkit-box; /** 对象作为伸缩盒子模型显示 **/
  -webkit-box-orient: vertical; /** 设置或检索伸缩盒对象的子元素的排列方式 **/
  -webkit-line-clamp: 2; /** 显示的行数 **/
  overflow: hidden; /** 隐藏超出的内容 **/
}
.hbMpBox .hbMpBox_r .hbMpBox_r_l2 .hbMpBox_r_l2_text{
  font-weight: 600;
  color: #d13d4b;
  margin-top: 10rpx;
}
.hbMpBox .hbMpBox_r .hbMpBox_r_head{
  font-size: 28rpx;
}
.hbMpBox .hbMpBox_r .hbMpBox_r_des{
  margin-top: 4rpx;
  color: #999;
}
.hbMpBox .hbMpBox_r .hbMpBox_r_l2_Time{
  font-size: 20rpx;
  color: #bdbdbd;
  word-spacing: 5rpx;
}
.hbMpBox .hbMpBox_r .hbMpBox_r_l2_Time .fontTime{
  font-weight: 900;
  font-size: 26rpx;
  color: #7c7d7f;
}
.hbMpBox_r .hbMpBox_r_r2{
  min-width: 210rpx;
  max-width: 48%;
  border: 2rpx #d13d4b solid;
  border-radius: 10rpx;
  max-height: 110rpx;
  position: absolute;
  right: 0rpx;
  height: 100%;
 
}
.hbMpBox_r .hbMpBox_r_r2 .hbMpBox_r_r2_in{
  height: 54rpx;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 0rpx 10rpx;
  line-height: 54rpx;
}
.hbMpBox_r .hbMpBox_r_r2 .hbMpBox_r_r2_in1{
  background: #d13d4b;
  color: #fff;
}
.hbMpBox_r .hbMpBox_r_r2 .hbMpBox_r_r2_in2{
  color: #d13d4b;
}
.hbMpBox .hbMpBox_r .hbMpBox_r_time{
  margin-top: 15rpx;
  font-size: 24rpx;
  display: flex;
  align-items: center;
}
 
.syTime_time{
  padding: 3rpx 6rpx;
  background: #444;
  text-align: center;
  color: #fff;
  border-radius: 5rpx;
  margin: 0rpx 5rpx;
}
.hbMpBox .hbMpBox_r .hbMpBox_r_price{
  margin-top: 20rpx;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.hbMpBox .hbMpBox_r .hbMpBox_r_price .hbMpBox_r_price_r{
  background: #d13d4b;
  color: #fff;
  width: 150rpx;
  height: 50rpx;
  line-height: 50rpx;
  text-align: center;
  border-radius: 5rpx;
}
.indexMptxBox{
  padding: 20rpx;
  text-align: center;
  font-size: 24rpx;
}

mpThing.find(function(v){
        var aa = v.goods_time;
        var bb = util.dayTimeArr(aa);
        v.goods_time = bb
        that.setData({
         mpThing:mpThing,
        })
        var ref = setInterval(function(){
          aa--
          var timeArr = util.dayTimeArr(aa);
          v.goods_time = timeArr
          that.setData({
           mpThing:mpThing,
          })
        },1000);
})