dw_lotter_draw/pages/mine/join/join.js

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

Page({
  data: {
    current: 1,
    isShowLoadTip: false,
    pageLength: 15,
    end_data: [],
    not_end_data: [],
    dataList: {}
  },
  changeTab: function ({ detail }) {
    let that = this
    this.setData({
      current: detail.key,
      isShowLoadTip: false,
      end_data: [],
      not_end_data: []
    })
    end_currentPage = 1
    not_currentPage = 1
    wx.showLoading({
      title: '加载中',
      mask: true
    })
    setTimeout(function () {
      let pageLen = that.data.pageLength
      let dataAll = that.data.dataList
      let endData = dataAll.end.length > pageLen ? dataAll.end.slice(0, pageLen) : dataAll.end
      let notEndData = dataAll.not_end.length > pageLen ? dataAll.not_end.slice(0, pageLen) : dataAll.not_end
      that.setData({
        end_data: endData,
        not_end_data: notEndData
      })
      wx.hideLoading()
    }, 500)
  },
  onLoad: function (options) {
    this.getList()
  },
  getList: function (callback) {
    let that = this
    wx.showLoading({
      title: '加载中',
      mask: true
    })
    apiRequest('/user/lotteries').then(data => {
      let endData = data.data.end.length > that.data.pageLength ? data.data.end.slice(0, that.data.pageLength) : data.data.end
      let notEndData = data.data.not_end.length > that.data.pageLength ? data.data.not_end.slice(0, that.data.pageLength) : data.data.not_end
      that.setData({
        dataList: data.data,
        end_data: endData,
        not_end_data: notEndData
      })
      wx.hideLoading()
      callback && callback()
    })
  },
  toDetail: function (e) {
    wx.navigateTo({
      url: '/pages/award-detail/award-detail?id=' + e.currentTarget.id
    })
  },
  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
      })
      end_currentPage = 1
      not_currentPage = 1
    })
  },
  onReachBottom: function() {
    let that = this
    let pageSize = this.data.pageLength
    wx.showLoading({
      title: '加载中',
      mask: true
    })
    setTimeout(function () {
      wx.hideLoading()
      if (that.data.current == 1) {
        let not_end = that.data.dataList.not_end
        if (that.data.not_end_data.length != not_end.length) {
          not_currentPage++
        }
        let data = not_end.length > not_currentPage * pageSize ? not_end.slice(0, not_currentPage * pageSize) : not_end
        that.setData({
          not_end_data: data
        })
        if (that.data.not_end_data.length == not_end.length) {
          that.setData({
            isShowLoadTip: true
          })
        }
      } else if (that.data.current == 2) {
        let end = that.data.dataList.end
        if (that.data.end_data.length != end.length) {
          end_currentPage++
        }
        let data = end.length > end_currentPage * pageSize ? end.slice(0, end_currentPage * pageSize) : end
        that.setData({
          end_data: data
        })
        if (that.data.end_data.length == end.length) {
          that.setData({
            isShowLoadTip: true
          })
        }
      }
    }, 500)
  }
})