school_meal_wxapp/pages/index/index.js

// index.js
// 获取应用实例
const app = getApp()
const { axios } = app.globalData;
Page({
  data: {
    // 商品列表
    shoplist: [],
    // 广告
    datalist: []
  },
  // 点击商品查看详情
  ShopSuccess (e) {
    let { id } = e.currentTarget.dataset;
    wx.navigateTo({
      url: `/pages/detail/detail?data=${JSON.stringify({ id })}`,
    })
  },
  // 请求广告
  hotrequest () {
    let that = this;
    axios({
      url: '/notices/wx_notices/',
      method: 'get',
      success (res) {
        let { data } = res.data, datalist = [];
        data.forEach(item => {
          datalist.push({
            name: item.title,
            url: `/pages/hot/hot?data=${JSON.stringify({ hot: item })}`
          })
        })
        that.setData({
          datalist
        })
      }
    }).then(res => {
      wx.lxd.NoticeBar({
        datalist: that.data.datalist
      })
      if (app.globalData.hot) {
        this.hot();
        app.globalData.hot = false;
      }
    })

  },
  //加载商品数据 模拟5条
  PageCount: 1,//总页数
  Page: 1,//当前页数
  ShopRequest () {
    if (this.Page > this.PageCount) return false;
    let that = this, { shoplist } = this.data;
    axios({
      url: "/commodity/wx_commodity/",
      method: "get",
      data: {
        page: that.Page,
        limit: 10,
      },
      success (res) {
        let { data, totalPage } = res.data;
        that.PageCount = totalPage;
        that.Page++;
        data.forEach(item => {
          shoplist.push({
            id: item.id,
            price: item.amount,
            desc: item.introduce,
            imgurl: item.list_image,
            title: item.name
          })
        })
        wx.stopPullDownRefresh();
        that.setData({
          shoplist
        })
      }
    })
  },
  // 广告
  hot () {
    let { datalist } = this.data;
    if (datalist.length == 0) return false;
    wx.showModal({
      title: '通知',
      content: datalist[0]['name'],
      confirmText: '查看',
      success (res) {
        if (res.confirm) {
          wx.navigateTo({
            url: datalist[0]["url"],
          })
        }
      }
    })
  },
  onLoad () {
    wx.lxd.Ctr({
      // nav
      title: "我要订餐", //标题
      back: false,//返回按钮，tabber必须false（除非会改）
      bgc: false,//使用更改后的颜色;配合json使用
      // tabber
      tabber: true, // 显示
      active: 0,//活动值
    })
    this.hotrequest();
  },
  onReady: function () {

  },
  onShow () {
    this.ShopRequest();

  },

  /**
   * 页面相关事件处理函数--监听用户下拉动作
   */
  onPullDownRefresh: function () {
    this.PageCount = 1;
    this.Page = 1;
    this.setData({ shoplist: [] })
    this.ShopRequest();
  },

  /**
  * 页面上拉触底事件的处理函数
  */
  onReachBottom: function () {
    this.ShopRequest();
  },

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

  },
  onShareTimeline: function (res) {

  }
})