dw_lotter_draw/pages/mine/prize/prize.js

const { apiRequest } = require('../../../utils/API.js')
let currentPage = 1

Page({
  data: {
    isShowLoadTip: false,
    pageLength: 15,
    prizeList: [],
    dataList: []
  },
  onLoad: function (options) {
    this.getList()
  },
  toDetail: function (e) {
    wx.navigateTo({
      url: '/pages/award-detail/award-detail?id=' + e.currentTarget.id
    })
  },
  getList: function (callback) {
    let that = this
    wx.showLoading({
      title: '加载中',
      mask: true
    })
    apiRequest('/user/lotteries/win').then(data => {
      that.setData({
        prizeList: data.data.length > that.data.pageLength ? data.data.slice(0, that.data.pageLength) : data.data,
        dataList: data.data
      })
      wx.hideLoading()
      callback && callback()
    })
  },
  onPullDownRefresh: function () {
    let that = this
    wx.showNavigationBarLoading()
    this.getList(function () {
      wx.hideNavigationBarLoading()
      wx.stopPullDownRefresh()
      wx.showToast({
        title: '刷新成功',
        icon: 'none'
      })
      that.setData({
        isShowLoadTip: false
      })
      currentPage = 1
    })
  },
  onReachBottom: function () {
    let that = this
    wx.showLoading({
      title: '加载中',
      mask: true
    })
    setTimeout(function () {
      wx.hideLoading()
      if (that.data.dataList.length != that.data.prizeList.length) {
        currentPage++
      }
      let currentLength = that.data.pageLength * currentPage
      let data = that.data.dataList.length > currentLength ? that.data.dataList.slice(0, currentLength) : that.data.dataList
      that.setData({
        prizeList: data
      })
      if (that.data.dataList.length == that.data.prizeList.length) {
        that.setData({
          isShowLoadTip: true
        })
      }
    }, 500)
  }
})