twong329/view/xcx/pages/activity/goods_bargain/index.js

// pages/bargain-list/index.js
import {
  getBargainList
} from '../../../api/activity.js';
import {
  openBargainSubscribe
} from '../../../utils/SubscribeMessage.js';

const app = getApp();

Page({
  /**
   * 页面的初始数据
   */
  data: {
    bargainList: [],
    page: 0,
    limit: 20,
    loading: false,
    loadend: false,
    userInfo: {},
    navH: ''
  },

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

  goBack: function () {
    wx.navigateBack({
      delta: 1
    })
  },

  onLoadFun: function (e) {
    this.getBargainList();
    this.setData({
      userInfo: e.detail
    })
  },

  openSubscribe: function (e) {
    let page = e.currentTarget.dataset.url;
    wx.showLoading({
      title: '正在加载',
    })
    openBargainSubscribe().then(res => {
      wx.hideLoading();
      wx.navigateTo({
        url: page,
      });
    }).catch(() => {
      wx.hideLoading();
    });
  },

  getBargainList: function () {
    var that = this;
    if (that.data.loadend) return;
    if (that.data.loading) return;
    that.setData({
      loading: true
    });
    getBargainList({
      page: that.data.page,
      limit: that.data.limit
    }).then(function (res) {
      that.setData({
        bargainList: that.data.bargainList.concat(res.data),
        page: that.data.page + 1,
        loadend: that.data.limit > res.data.length,
        loading: false
      });
    }).catch(res => {
      that.setData({
        loading: false
      });
    });
  },

  /**
   * 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 () {
    this.getBargainList();
  },
})