yimei_spa/subPackagesF/pages/seckillActivity/seckillActivity.js

// subPackagesF/pages/seckillActivity/seckillActivity.js
import {
  get,
} from '../../../utils/http'
Page({

  /**
   * 页面的初始数据
   */
  data: {
    store_id: '',
    startTime: '', //开始时间
    time: 60 * 60 * 1000, //秒杀开始时间
    timeData: {}, //秒杀倒计时
    activeClass: '', //动态类名是否超出时间或者没到时间
    seckillList: [], //秒杀列表
    end: false, //时间结束
  },

  /**
   * 生命周期函数--监听页面加载
   */
  onLoad(options) {
    this.setData({
      store_id: wx.getStorageSync('store_id')
    })
    // 获取秒杀列表
    this.seckillList()
  },

  /**
   * 生命周期函数--监听页面初次渲染完成
   */
  onReady() {

  },

  /**
   * 生命周期函数--监听页面显示
   */
  onShow() {

  },
  // 获取秒杀列表
  seckillList() {
    get('v2/api/spike/list', {
      store_id: this.data.store_id || wx.getStorageSync('store_id')
    }, (res => {
      if (res.code == 200) {
        // res.data.end_time= "01-10 16:45"
        res.data.start_time = (new Date()).getFullYear() + '-' + res.data.start_time
        res.data.end_time = (new Date()).getFullYear() + '-' + res.data.end_time
        let startDate = res.data.start_time.replace(new RegExp("-", "gm"), "/");
        let endDate = res.data.end_time.replace(new RegExp("-", "gm"), "/");
        let startDateM = (new Date(startDate)).getTime(); //开始时间毫秒数
        let endDateM = (new Date(endDate)).getTime(); //结束时间毫秒数
        let nowTime = Date.now(); //当前时间毫秒数
        let time = Number(startDateM) - Number(nowTime) //大于0活动未开始
        // 如果当前时间比结束时间大(活动结束)
        if (nowTime > endDateM) {
          this.setData({
            activeClass: 'activeClass',
            end: true
          })
          time = 0
        } else {
          // 否则就判断时间是否开始
          if (Number(time) > 0) {
            this.setData({
              activeClass: 'activeClass'
            })
          } else {
            this.setData({
              activeClass: ''
            })
            time = 0
          }
        }
        this.setData({
          seckillList: res.data,
          startTime: res.data.start_time,
          time
        })
      }
    }))
  },
  // 倒计时改变
  onChange(e) {
    let time = e.detail
    if (time.days > 0) {
      e.detail.hours = Number(time.days) * 24 + Number(time.hours)
    }
    time.hours1 = 0
    time.minutes1 = 0
    time.seconds1 = 0
    if (time.seconds >= 10) {
      time.seconds1 = time.seconds.toString().charAt(0)
      time.seconds = time.seconds.toString().charAt(1)
    }
    if (time.hours >= 10) {
      if (time.hours >= 100) {
        time.hours2 = time.hours.toString().charAt(2)
      }
      time.hours1 = time.hours.toString().charAt(0)
      time.hours = time.hours.toString().charAt(1)
    }
    if (time.minutes >= 10) {
      time.minutes1 = time.minutes.toString().charAt(0)
      time.minutes = time.minutes.toString().charAt(1)
    }
    this.setData({
      timeData: time,
    });
  },
  // 倒计时结束
  finishTime() {
    // 活动时间结束不触发
    if (!this.data.end) {
      this.setData({
        activeClass: '',
      })
    }
    if(this.data.activeClass==''){
      let endDate = this.data.seckillList.end_time.replace(new RegExp("-", "gm"), "/");
      let endDateM = (new Date(endDate)).getTime(); //结束时间毫秒数
      let nowTime = Date.now(); //当前时间毫秒数
      let time = endDateM-nowTime
      if(time>0){
        this.setData({
          time
        })
      }else{
        this.setData({
          time:0,
          end:true,
          activeClass: 'activeClass',
        })
      }
    }
  },
  // 跳转到秒杀详情
  goSeckillDetail(e) {
    console.log(e);
    let id = e.currentTarget.dataset.id
    let num = e.currentTarget.dataset.num
    let seckillId = e.currentTarget.dataset.seckillid
    if (num <= 0) {
      wx.showToast({
        title: '抱歉，没有库存了',
        icon: 'none'
      })
      return
    }
    wx.navigateTo({
      url: `/subPackagesF/pages/seckillDetail/seckillDetail?goods_id=${id}&seckill_id=${seckillId}`,
    })
  },
  /**
   * 生命周期函数--监听页面隐藏
   */
  onHide() {

  },

  /**
   * 生命周期函数--监听页面卸载
   */
  onUnload() {

  },

  /**
   * 页面相关事件处理函数--监听用户下拉动作
   */
  onPullDownRefresh() {

  },

  /**
   * 页面上拉触底事件的处理函数
   */
  onReachBottom() {

  },

  /**
   * 用户点击右上角分享
   */
  onShareAppMessage() {

  }
})