school_meal_wxapp/pages/detailed/detailed.js

// pages/detailed/detailed.js
const app = getApp();
const { axios } = app.globalData;
Page({

  /**
   * 页面的初始数据
   */
  data: {
    datalist: []
  },
  // 请求明细
  totalPage: 1,
  currentPage: 1,
  Request () {
    if (this.totalPage < this.currentPage) return false;
    let { datalist } = this.data, that = this;
    axios({
      url: '/option/balance_log/',
      method: 'get',
      success (res) {
        let { data } = res.data;
        datalist = [...datalist, ...data];
        that.currentPage++;
        that.setData({
          datalist
        })
        wx.stopPullDownRefresh();
      }
    })
  },
  /**
   * 生命周期函数--监听页面加载
   */
  onLoad: function (options) {
    wx.lxd.Ctr({
      // nav
      title: "账单明细", //标题
    })
  },
  /**
   * 生命周期函数--监听页面初次渲染完成
   */
  onReady: function () {

  },

  /**
   * 生命周期函数--监听页面显示
   */
  onShow: function () {
    this.Request();
  },

  /**
   * 生命周期函数--监听页面隐藏
   */
  onHide: function () {

  },

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

  },

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

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

})