app/pointExchange/pages/my/my.js

// pointExchange/pages/my/my.js
const app = getApp();
import util from '../../../utils/util.js'

Page({
  /**
   * 页面的初始数据
   */
  data: {
		appAssetsUrl:app.appAssetsUrl,
		typeList:[{
			name:'全部',
			value:''
		},{
			name:'未使用',
			value:1
		},{
			name:'已使用',
			value:2
		},{
			name:'已过期',
			value:3
		}],
		typeListIndex:0,
		nodata: util.nodata(),
		params: {
			sutId: util.getUserId(),
			pageNum: 1,
			pageSize: 10,
			status: ''
		},
		total:{
			currPage: 0,
			totalPage: 0
		},
		noMore:false,
		listData:[],
		itemData:{
			cdkey:'',
			needScore: '--'
		}
  },
	
  /**
   * 生命周期函数--监听页面加载
   */
  onLoad: function (options) {
		if(options.index){
			this.setData({
				typeListIndex:options.index
			})
		}
		this.loadList(true);
  },
	switchType(e) {
		let index = e.currentTarget.dataset.index;
	  this.setData({
	    typeListIndex: index
	  })
		this.loadList(true);
	},
	loadList(isRefresh) {
		let that = this;
		if (!isRefresh && this.data.noMore) {
			wx.showToast({
				title: '没有更多了~',
				icon: 'none'
			})
			return false;
		}
		this.setData({
			listData: isRefresh ? [] : this.data.listData,
			noMore: isRefresh ? false : this.data.noMore,
			params: {
				...this.data.params,
				pageNum: isRefresh?1:this.data.params.pageNum+1,
				status: this.data.typeList[this.data.typeListIndex].value
			}
		})
		wx.showLoading({
			title: '努力加载中...',
		})
		app._post_form('productStu/page', '', this.data.params,
			function(res) {
				if (res.code == 0) {
					if(res.data.list.length>0 && that.data.listData.length>0 && res.data.list[0].id == that.data.listData[0].id){
						return ;
					}
					let listData = that.data.listData;
					listData.push(...res.data.list);
					that.setData({
						listData,
						currPage: res.data.currPage,
						totalPage: res.data.totalPage,
						noMore: res.data.totalPage == res.data.currPage
					})
				}
			})
	},

  /**
   * 生命周期函数--监听页面初次渲染完成
   */
  onReady: function () {
		this.popup3 = this.selectComponent("#popup3");
  },

  /**
   * 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.loadList();
  },

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

  },
	toDatail(e){
		wx.navigateTo({
			url: `/pointExchange/pages/detail/detail?id=${e.currentTarget.dataset.id}&isApply=true`
		})
	},
	//弹窗
	showPopup(e) {
	  this[e.currentTarget.dataset.name].showPopup();
		this.setData({
			itemData:{
				...this.data.itemData,
				needScore: e.currentTarget.dataset.needscore,
				cdkey: e.currentTarget.dataset.cdkey,
			}
		})
	},
	//取消事件
	_error(e) {
	  this[e.currentTarget.dataset.name].hidePopup();
	},
	//使用卡券
	applyCoupon(e){
		this.popup3.hidePopup();
		let that = this;
		wx.showLoading({
			title: '提交中...',
		})
		app._post_form('productStu/use', "", {
			cdkey: this.data.itemData.cdkey,
			stuId: util.getUserId()
		}, function(res) {
			if (res.code === 0) {
				wx.showToast({
					title:'使用成功',
					icon:'none'
				})
				that.loadList(true);
			}
		})
	}
})