ball-applet/pages/school/index.js

const app = getApp()
const moment = require("../../utils/moment.min")
Page({
  data: {
    frameStyle: { useTop: true, name: '羽校', leftArrow: false, useBar: true },
    user: {},
    list: [],
    total: 0,
    page: 0,
    skip: 0,
    limit: 5,
  },
  // 跳转菜单
  tabPath(e) {
    let { route } = e.detail.detail;
    if (route) wx.redirectTo({ url: `/${route}` })
  },
  // 进入系统
  toJoin: function () {
    const that = this;
    that.setData({ skip: 0, page: 0, list: [] })
    wx.navigateTo({ url: `/pages/smy/index` })
  },
  // 查看详情
  toView: function (e) {
    const that = this;
    const { item } = e.currentTarget.dataset;
    that.setData({ skip: 0, page: 0, list: [] })
    wx.navigateTo({ url: `/pages/school/info?id=${item._id}` })
  },
  // 分页
  toPage: function () {
    const that = this;
    let list = that.data.list;
    let limit = that.data.limit;
    if (that.data.total > list.length) {
      wx.showLoading({ title: '加载中', mask: true })
      let page = that.data.page + 1;
      that.setData({ page: page })
      let skip = page * limit;
      that.setData({ skip: skip })
      that.watchLogin();
      wx.hideLoading()
    } else { wx.showToast({ title: '没有更多数据了', icon: 'none', duration: 2000 }) }
  },
  /**
   * 生命周期函数--监听页面加载
   */
  onLoad: function (options) { },
  /**
   * 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 () {
    const that = this;
    // 监听用户是否登录
    that.watchLogin();
  },
  // 监听用户是否登录
  watchLogin: async function () {
    const that = this;
    wx.getStorage({
      key: 'user',
      success: async res => {
        that.setData({ user: res.data })
        let info = { skip: that.data.skip, limit: that.data.limit };
        const arr = await app.$get(`/school`, { ...info });
        if (arr.errcode == '0') {
          that.setData({ list: [...that.data.list, ...arr.data] });
          that.setData({ total: arr.total })
        } else { wx.showToast({ title: `${arr.errmsg}`, icon: 'error', duration: 2000 }); }
      },
      fail: async res => {
        wx.redirectTo({ url: '/pages/index/index' })
      }
    })
  },
  /**
   * 页面上拉触底事件的处理函数
   */
  /**
   * 生命周期函数--监听页面隐藏
   */
  onHide: function () {
    const that = this;
    that.setData({ skip: 0, page: 0, list: [] })
  },

  /**
   * 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 () {

  },

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

  }
})