test/pages/order/coupon/index.js

// pages/order/coupon/index.js
import commonApi from "../../../utils/https/common";
import util from "../../../utils/util";
let app = getApp()
Page({

  /**
   * 页面的初始数据
   */
  data: {
      noUseList: [],
    list:[],
    moreFlag:true,

    productList: [],
  },

  /**
   * 生命周期函数--监听页面加载
   */
  
  onLoad: function (options) {
    console.log(app.globalData.postProduct,app.globalData.list,app.globalData.product)
    let sourceFrom = options.sourceFrom
    let postList = app.globalData.postProduct || []
    let ticketList = app.globalData.list || []
    let signleProduct = app.globalData.product || null

    let listData = []
    // 门票类
    if (sourceFrom == 'cart') {
        ticketList.forEach(v=>{
            listData.push({
                sku_id: v.sku.id,
                price: v.sku.price,
                sell_price: v.sku.price,
                num: v.num,
                use_date: v.time&&v.time.sale_date?v.time.sale_date:''
            })
        })
    } else {
        if (signleProduct) {
            listData.push({
                sku_id: signleProduct.sku.id,
                price: signleProduct.sku.price,
                sell_price: signleProduct.sku.price,
                num: signleProduct.productNum,
                use_date: signleProduct.date&&signleProduct.date.date?signleProduct.date.date:''
            })
        }
    }
    // 特产类
    postList.forEach(v=>{
        listData.push({
            sku_id: v.sku.id,
            price: v.sku.price,
            sell_price: v.sku.price,
            num: v.productNum,
        })
    })

    this.setData({
        productList: listData
    })
    this.getList(options)
  },
  getList:function(options){
    if(!this.data.moreFlag) return
    commonApi.user_post('coupon/use_coupon_listv3',{
      money:options.money,
      sku_ids:options.sku,
      cart_data: this.data.productList
    }).then(res=>{
      res.data.map(item=>{
        item.selected = false;
      })


      this.setData({
        list:res.data.filter(x=>x.can_use),
        noUseList: res.data.filter(x=>!x.can_use),
      })
      this.getMaxC(options)
    })
  },
  //获取最高优惠
  getMaxC(options){
    commonApi.user_post('coupon/use_max_coupon_listv2',{
      money:options.money,
      sku_ids:options.sku,
      cart_data: this.data.productList
    }).then(res=>{
      console.log(app.globalData.couponInfo);

      app.globalData.couponInfo?app.globalData.couponInfo:app.globalData.couponInfo= res.data;
      let listT = this.data.list
      listT.forEach(item => {
          if (item.id ==  app.globalData.couponInfo.id) {
              item.selected = true
          }
      });
      this.setData({
        list:listT
      })
    })
  },
  selectIt:function(e){
    wx.showLoading({
      title: '加载中'
    })
    let list = this.data.list,index = e.currentTarget.dataset.index;
    list.map((item,i)=>{
      if(i!=index) {
        item.selected = false;
      }
    })
    list[index].selected = list[index].selected?false:true;
    this.setData({
      list:list
    })
    wx.hideLoading()
  },
  submit:function(){
    let list = this.data.list,coupon = null;
    list.map(item=>{
      if(item.selected){
        coupon = item;
        item.SubCoupon = true
      }
    })
    if (coupon===null) {
      app.globalData.couponInfo = false
    }else{
      app.globalData.couponInfo = coupon;
    }

    util.back()
  },

  /**
   * 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 () {
  }
})