<view class='spellNum'>

  <view>

    <text style='color: #fff;'>团长</text>

    <image src='{{shift}}'></image>

  </view>

  <image wx:for="{{head}}" src='{{item.buyer_avatar}}'></image>

  <view wx:if="{{num==1}}" style='text-align:center'>

    <text style='font-size:30rpx;color:#000;line-height:66rpx'>仅剩<text style='color:red'> {{surplus}} </text>个名额 \n</text>

    <view>拼团

      <text style='color:red'> {{clock}} {{micro_second}}</text> 后结束</view>

  </view>

</view>

// pages/spell/spell.js

let app = getApp()

Page({

  /**

   * 页面的初始数据

   */

  data: {

    clock: '',

  },

  /**

   * 生命周期函数--监听页面加载

   */

  onLoad: function (options) {

    let that = this// 参团人数

    wx.request({

      url: app.baseURL + "act=goods&op=group_info",

      data: {

        appid: app.appid,

        groupbuy_id: options.groupbuy_id,

        goods_id: options.goods_id

      },

      header: {

        "content-type": "application/json"

      },

      success: res => {

        console.log(res);

        let date = res.data.datas.end_time

        console.log('date'+date)

        let thisDate = Math.round(new Date() / )

        console.log('thisDate'+thisDate)

        total_micro_second = date - thisDate

        console.log('total_micro_second'+total_micro_second)

        count_down(that);

    })

   // 定义一个总毫秒数，以一分钟为例。TODO，传入一个时间点，转换成总毫秒数

var total_micro_second = "";

console.log(total_micro_second);

/* 毫秒级倒计时 */

function count_down(that) {

  // 渲染倒计时时钟

  that.setData({

    num: "",

    clock: dateformat(total_micro_second)

  });

  if (total_micro_second <= ) {

    that.setData({

      num: "",

      clock: "已经截止"

    });

    // timeout则跳出递归

    return;

  }

  setTimeout(function () {

    // 放在最后--

    total_micro_second -= ;

    count_down(that);

  }

    , )

}

// 时间格式化输出，如03:25:19 86。每10ms都会调用一次

// function dateformat(micro_second) {

//   // 秒数

//   var second = Math.floor(micro_second / 1000);

//   // 小时位

//   var hr = fill_zero_prefix(Math.floor(second / 3600));

//   // 分钟位

//   var min = fill_zero_prefix(Math.floor((second - hr * 3600) / 60));

//   // 秒位

//   var sec = fill_zero_prefix((second - hr * 3600 - min * 60));// equal to => var sec = second % 60;

//   // 毫秒位，保留2位

//   //var micro_sec = fill_zero_prefix(Math.floor((micro_second % 1000) / 10));

//   return hr + ":" + min + ":" + sec;

// }

function dateformat(micro_second) {

  // 总秒数

  //var second = Math.floor(micro_second / 1000);

  var second = micro_second ;

  // 天数

  var day = Math.floor(second /  / );

  // 小时

  var hr = Math.floor(second /  % );

  // 分钟

  var min = Math.floor(second /  % );

  // 秒

  var sec = Math.floor(second % );

  return day + "天" + hr + "小时" + min + "分钟" + sec + "秒";

}

// 位数不足补零

function fill_zero_prefix(num) {

  return num <  ? "" + num : num

}