CompanyProject/衣莎项目/源码/YiShaXiYi/user/payment/payment.js

// user/payment/payment.js
const app = getApp();
const regeneratorRuntime = app.loadAsync()
const model = app.loadModel("index")
const http = app.loadHttp()
Page({

  /**
   * 页面的初始数据
   */
  data: {
    system: app.globalData.system, //设备相关信息
    pageTitle: "订单支付", //头部标题
    isBack: true,//显示返回,
    isLoading: true,//加载条
    oreder: {},//订单信息
    coupon: {
      id: 0,
      price: 0
    },//优惠券信息,
    giftCard: {},//卡劵
    isgiftCard: "",//拼接的卡劵信息方便操作
    isPay: 2,//2微信支付 1卡支付
    all: {},//总价格和差价
    postage_money: {//邮费配置
      satisfy_money: 0,//邮费
      postage_money: 0,//未满指定免邮金额需要支付的邮费
    },
  },
  // 支付
  async pay(e) {
    let formId = e.detail.formId
    let payInfo = {
      orderID: this.data.oreder.orederId,
      payType: this.data.isPay,
      form_id: formId,
      userCouponID: 0,
      userCardID: 0
    }
    if (!!this.data.coupon && !!this.data.coupon.price) {
      payInfo.userCouponID = this.data.coupon.id
    }
    if (this.data.isPay == 1) {
      payInfo.userCardID = this.data.giftCard.id
    }
    let api = http.api.preShopOrder
    if (this.data.oreder.type == 1) {
      api = http.api.pre_order
    }
    let res = await model.payment.pay(api, payInfo)
    if (res == 1) {
      wx.showToast({
        title: '支付成功',
        icon: 'none',
        duration: 1000
      })
      // 改变变量使返回列表页刷新
      app.globalData.isOrderList = true
      setTimeout(() => {
        wx.navigateBack({
          delta: 2
        })
      }, 1000);
      return
    }
  },
  // 获取优惠券
  async getCoupon() {
    let coupon = await model.storage.getSetting("coupon")
    if (!!coupon) {
      model.storage.deleteStorage('coupon')
      this.setData({
        coupon: coupon
      })
      this.calculate()
    }
  },
  // 获取卡劵
  async getGiftCard() {
    let giftCard = await model.storage.getSetting("giftCard")
    if (!!giftCard) {
      model.storage.deleteStorage('giftCard')
      this.setData({
        giftCard: giftCard,
        isgiftCard: giftCard.title + "  " + giftCard.price + '折',
        isPay: 1
      })
      this.calculate()
    }
  },
  // 选择支付方式
  selectPay(e) {
    let type = e.currentTarget.dataset.type
    let url = e.currentTarget.dataset.url
    if (type == 2) {
      this.setData({
        isgiftCard: "",
        giftCard: {},
        isPay: type
      })
      this.calculate()
    } else if (type == 1) {
      wx.navigateTo({
        url: url
      })
    }
  },
  // 计算价格
  async calculate() {
    let order = this.data.oreder.realPrice //订单价格
    let fjPrice = parseInt(this.data.oreder.fjPrice) //洗衣附加费
    let postage_money = this.data.postage_money // 邮寄费
    let coupon = this.data.coupon.price || 0 // 优惠券
    let giftCard = this.data.giftCard.price || 10 // 卡支付
    let oreder = this.data.oreder // 上一个页面传来的信息
    let oriPrice = order //洗衣订单减去附加费计算
    let all = {
      allPrice: null,
      difPrice: null
    }
    // 商城 (总-优惠) + 邮费
    if (!!oreder.type) {
      all = {
        allPrice: parseFloat((oriPrice - coupon).toFixed(2)),
        difPrice: parseFloat((oriPrice - (oriPrice - coupon)).toFixed(2)) || 0
      }
      // 运费
      // if (all.allPrice < postage_money.satisfy_money) {
      //   all.allPrice += parseFloat(postage_money.postage_money)
      // }
    } else {
      let data = {
        orderID: this.data.oreder.orederId,
        payType: this.data.isPay,
        userCouponID: this.data.coupon.id || 0,
        userCardID: this.data.giftCard.id || 0
      }
      let res = await http.http.request2({ url: `${http.api.shopOrderMoney}`, method: "POST", data: data })
      if (res.data.status == 1) {
        if (oriPrice <= postage_money.satisfy_money) {
          oriPrice += postage_money.postage_money
        }
        all = {
          allPrice: res.data.data.totalPrice,
          difPrice: oriPrice - res.data.data.totalPrice || 0
        }
      }
    }
    all.allPrice = all.allPrice.toFixed(2)
    all.difPrice = all.difPrice.toFixed(2)
    this.setData({
      all: all
    })
  },
  // 获取邮费配置
  async postage() {
    let order = this.data.oreder
    let type = !!order.type ? 1 : 2
    let res = await http.http.request2({ url: `${http.api.postage}`, method: "POST", data: { type: type } })
    this.setData({
      postage_money: res.data.data
    })
    this.calculate()
  },
  /**
   * 生命周期函数--监听页面加载
   */
  onLoad: function (options) {
    this.setData({
      oreder: JSON.parse(options.data),
    })
    this.postage()
    // 一秒后显示
    setTimeout(() => {
      this.setData({
        isLoading: false
      })
    }, 1000)
  },

  /**
   * 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 () {
    this.getCoupon()
    this.getGiftCard()
  },

  /**
   * 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 () {

  },

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

  }
})