dw_lotter_draw/pages/index/index.js

const {getLotteries} =  require('../../utils/API.js')
let cur_page = 1
Page({
  data: {
    has_more: true,
    loading: false,
    lotteries: [], // 抽奖列表
    recommend: {} // 推荐的抽奖
  },
  loadMore(){
    if(this.data.has_more) {
      cur_page++
      this.setData({loading: true})
      getLotteries(cur_page)
      .then(data => {
        data.data.rows.length === 0 && this.setData({has_more: false})
        this.setData({
          lotteries: this.data.lotteries.concat(data.data.rows),
          loading: false
        })
      })
    }
  },
  onLoad: function () {
    wx.showLoading({title: '加载中', mask: true})
    getLotteries(cur_page).then(data => {
      this.setData({
        lotteries: data.data.rows,
        recommend: data.data.recommend_lottery
      })
      wx.hideLoading()
    })
  },
  onPullDownRefresh(){
    cur_page = 1
    getLotteries(cur_page).then(data => {
      this.setData({
        lotteries: data.data.rows,
        recommend: data.data.recommend_lottery
      })
      wx.stopPullDownRefresh()
    })
  },
  onReachBottom(){
    this.loadMore()
  },
  onShareAppMessage() {
    return {
      path: '/pages/index/index'
    }
  }
})