my_loan/htmldev/shiningWxMini/pages/businessHome/businessHome.js

const { getShopInfo } = require('./api/index')

Page({

  /**
   * 页面的初始数据
   */
  data: {
    nav: [
      {
        icon: 'goods_release.png',
        name: '产品发布',
        path: 'businessGoodsEdit'
      },
      {
        icon: 'goods_manage.png',
        name: '产品管理',
        path: 'businessGoodsManage'
      }
    ],
    shopInfo: {},
    products: [],
    isFetchLock: false, // 接口调用加锁
    isRefresh: false, // 是否下拉刷新
    finished: false
  },

  /**
   * 生命周期函数--监听页面加载
   */
  onLoad(options) {
    this.fetchShopInfo()
  },

  /**
   * 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() {

  },

  /**
   * 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() {

  },
  onPullDownRefresh() {
    if (this.data.isRefresh) {
      return
    }
    this.setData({
      isRefresh: true,
      finished: false
    })
    this.fetchShopInfo()
  },
  bindCallBack() {
    this.fetchShopInfo()
  },
  jump(e) {
    const { path, tabvalue = '' } = e.currentTarget.dataset

    wx.navigateTo({
      url: `/pages/${path}/${path}?tabvalue=${tabvalue}`
    })
  },
  handleNav(e) {
    const { item } = e.currentTarget.dataset
    const path = item.path

    wx.navigateTo({
      url: `/pages/${path}/${path}`
    })
  },
  async fetchShopInfo() {
    const that = this
    const isRefresh = that.data.isRefresh

    if (that.data.isFetchLock) {
      return
    }

    that.setData({
      isFetchLock: true
    })

    try {
      const { status, data, msg } = await getShopInfo()
      if (status) {
        this.setData({
          shopInfo: data,
          products: data.products
        })
      } else {
        wx.showToast({
          title: msg,
          icon: 'none'
        })
      }
    } catch (err) {}

    this.setData({
      isFetchLock: false,
      isRefresh: false,
      finished: true
    })

    if (isRefresh) {
      wx.stopPullDownRefresh()
    }
  }
})