schoolwisdoms-student-mp/pages/quan/quan.js

// pages/quan/quan.js
const app = getApp()
const util = require("../../utils/util")
const urlDef = require("../../utils/urls")
Page({

  /**
   * 页面的初始数据
   */
  data: {
    status: '0',
    list: [
    ],
    loading: '上拉加载',
    flag: 0,
    pageNum: 0,
    hasNextPage: true,
    switchTitle: [
      '可使用', '已使用'
    ]
  },

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

  /**
   * 生命周期函数--监听页面初次渲染完成
   */
  onReady: function () {

  },

  /**
   * 生命周期函数--监听页面显示
   */
  onShow: function () {

  },

  /**
   * 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 () {

  },

  /**
   * 页面上拉触底事件的处理函数
   */
  onReachBottom: function () {
    if (this.data.hasNextPage) {
      let pn = this.data.pageNum
      this.setData({ loading: '加载中', 'pageNum': ++pn })
      this.queryList()
    }
  },

  /**
   * 用户点击右上角分享
   */
  onShareAppMessage: function () {

  },
  queryList: function () {
    const urls = urlDef.urls;
    let stu = wx.getStorageSync('student');
    if (stu) {
      let params = { 'q.studentId': stu.studentId, 'q.orgId': stu.orgId }
      let url = null;
      if (this.data.status == '0') { // 待领取 + 已领取
        url = urls.coupon_receive_list;
      } else if (this.data.status == '2') { // 已经使
        url = urls.my_coupon;
        params['q.status'] = '2';
      }
      console.log(url)
      params.pageNum = this.data.pageNum
      util.apiPost(url, params).then(rs => {
        let list = rs.list
        this.setData({
          'hasNextPage': rs.hasNextPage,
          'loading': rs.hasNextPage ? '下拉刷新' : '没有更多数据',
          'list': this.data.list.concat(list)
        })
      })
    }
  },
  changeIndex: function (e) {
    if (e.detail == 0) {
      this.setData({ status: '0' })
    } else {
      this.setData({ status: '2' })
    }
    this.setData({
      list: [],
      loading: '上拉加载',
      pageNum: 0
    })
    this.queryList()
  },
  submitCilck: function (e) {
    const urls = urlDef.urls;
    let item = this.data.list[e.currentTarget.dataset.index]
    if (item.receiveDate) {
      wx.showToast({ title: '已领取过该优惠券', icon: 'none' });
      return;
    }
    wx.showLoading({
      title: '正在领取...',
      mask: true
    })
    util.apiPost(urls.coupon_receive + '?publishId=' + item.publishId + '&couponId=' + item.couponId).then((rs) => {
      wx.hideLoading({})
      if (rs.message) {
        wx.showToast({ title: rs.message, icon: 'none' });
        return;
      }
      item.receiveDate = new Date();
      wx.showToast({ title: '领取成功', icon: 'success' });
      this.setData({ list: [], pageNum: 0 })
      this.queryList();
    })
  }

})