nideshop-miniapp/pages/shopping/checkout/checkout.js

var util = require('../../../utils/util.js');
var api = require('../../../config/api.js');

var app = getApp();

Page({
  data:{
    checkedGoodsList: [],
    checkedAddress: {},
    checkedCoupon: [],
    couponList: [],
    goodsTotalPrice: 0.00, //商品总价
    freightPrice: 0.00,    //快递费
    couponPrice: 0.00,     //优惠券的价格
    orderTotalPrice: 0.00,  //订单总价
    actualPrice: 0.00,     //实际需要支付的总价
    addressId: 0,
    couponId: 0
  },
  onLoad:function(options){

    // 页面初始化 options为页面跳转所带来的参数

    try {
      var addressId = wx.getStorageSync('addressId');
      if (addressId) {
        this.setData({
          'addressId': addressId
        });
      }

      var couponId = wx.getStorageSync('couponId');
      if (couponId) {
        this.setData({
          'couponId': couponId
        });
      }
    } catch (e) {
      // Do something when catch error
    }

    this.getCheckoutInfo();
  },
  getCheckoutInfo: function () {
    let that = this;
    util.request(api.CartCheckout, { addressId: that.data.addressId, couponId: that.data.couponId}).then(function (res) {
      if (res.errno === 0) {
        console.log(res.data);
        that.setData({
          checkedGoodsList: res.data.checkedGoodsList,
          checkedAddress: res.data.checkedAddress,
          actualPrice: res.data.actualPrice,
          checkedCoupon: res.data.checkedCoupon,
          couponList: res.data.couponList,
          couponPrice: res.data.couponPrice,
          freightPrice: res.data.freightPrice,
          goodsTotalPrice: res.data.goodsTotalPrice,
          orderTotalPrice: res.data.orderTotalPrice
        });
      }
    });
  },
  selectAddress(){
    wx.navigateTo({
      url: '/pages/shopping/address/address',
    })
  },
  addAddress() {
    wx.navigateTo({
      url: '/pages/shopping/addressAdd/addressAdd',
    })
  },
  onReady:function(){
    // 页面渲染完成
    
  },
  onShow:function(){
    // 页面显示
    
  },
  onHide:function(){
    // 页面隐藏
    
  },
  onUnload:function(){
    // 页面关闭
    
  },
  submitOrder: function(){

    if (this.data.addressId <=0) {
      util.showErrorToast('请选择收货地址');
      return false;
    }

    let that = this;
    util.request(api.OrderSubmit, { addressId: that.data.addressId, couponId: that.data.couponId }, 'POST').then(function (res) {
      if (res.errno === 0) {
        wx.navigateTo({
          url: '/pages/pay/pay'
        })
      
      } else {
        util.showErrorToast(res.data.errmsg);
      }
    });

   
  }
})