ssj_curator/pages/problem_list/problem_list.js

// pages/problem_list/problem_list.js
import { routers, viewImage, sharePage, isFn, getGlobalVal, formatDateTime, formateNumber, formatDate,throttle} from '../../utils/util.js'
import { ProblemList} from '../../utils/api.js'
const { navigateTo, redirectTo, navigateBack } = routers()
const { globalData } = getApp()
const { baseImgUrl, thumbnail } = globalData
const app = getApp()
Page({

  /**
   * 页面的初始数据
   */
  data: {
    baseImgUrl,
    thumbnail,
    pageNo: 1,
    pageSize: 5,
    maxCreateTime: formatDateTime(new Date()),
    isAll: false,
    isLoaded: false,
    navIndex:0,
    subject:'语文',
    nodata: [
      {
        text: '暂无语文数据'
      },
      {
        text: '暂无数学数据'
      },
      {
        text: '暂无英语数据'
      }
    ],
    navList: [
      {
        text: '语文'
      },
      {
        text: '数学'
      },
      {
        text: '英语'
      },
    ],
  },

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

  /**
   * 生命周期函数--监听页面初次渲染完成
   */
  onReady: function () {
    const obj = { navigateTo, redirectTo, navigateBack, viewImage }
    for (const i in obj) {
      this[i] = obj[i]
    }
  },

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

  /**
   * 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.setData({ pageNo: 1 })
    this.getData(res => {
      wx.stopPullDownRefresh()
    })
  },

  /**
   * 页面上拉触底事件的处理函数
   */
  onReachBottom: function () {
    const { isAll } = this.data
    if (isAll) {
      return
    }
    this.getData()
  },

  /**
   * 用户点击右上角分享
   */
  onShareAppMessage: function () {
    if (app.sharePageDefaultCtl) {
      return app.sharePageDefaultCtl()
    }
  },
  /**
   * 选择切换项
   */
  selectNavIndexCtl:throttle(function (e) {
    const { index,subject } = e.currentTarget.dataset
    const {navIndex}=this.data
    if (navIndex == index) return
    this.setData({ navIndex: index, subject,list:[],pageNo:1})
    this.getData()
  },500),
  /**
   * 返回上一页
   */
  backBook: function () {
    wx.navigateBack({
      delta: 1,
    })
  },
  /**
   * 获取数据
   */
  getData: function (cb) {
    const continuousFn = { fn: this.getData, param: { ...arguments } }
    const { vipId, pageNo, pageSize, list, subject, maxCreateTime } = this.data
    ProblemList({ data: { vipId, pageNo, pageSize, subject, maxCreateTime }, continuousFn }).then(res => {
      const listTemp = res.data.list;
      let arr = []
      if (pageNo == 1) {
        arr = [...listTemp]
      } else {
        arr = [...list, ...listTemp]
      }
      this.setData({
        list: arr,
        pageNo: listTemp.length == pageSize ? pageNo + 1 : pageNo,
        isAll: listTemp.length < pageSize,
        isLoaded: true
      })
      if (isFn(cb)) cb()
    }).catch(res => {
      this.setData({ isLoaded: true })
      if (isFn(cb)) cb()
    })
  },
})