ztb-mini/pages/morder/create/index.js

// pages/bidding/create/index.js
import { createTradeOrder, getUserProduct, getAddressList } from "../../../api/ztb"
const event = require('../../../utils/event')
const util = require('../../../utils/util')
const math = require('../../../utils/math')
const app = getApp()

Page({
  /**
   * 页面的初始数据
   */
  data: {
    kg: app.globalData.kg,
    productId: '',
    productInfo: null,
    totalMoney: 0,
    quantity: 1,
    shippingAddressId:'',
    adressList:[],
    nuitPrice: null,
    addressInfo: null,
    stock: 0,
  },

  /**
   * 生命周期函数--监听页面加载
   */
  onLoad: function (options) {
    if(options.productId){
      this.data.productId = options.productId
      if(!util.isEmpty(options.price)){
        this.data.unitPrice = Number(options.price)
      }
      this.getProductDetails()
      this.getAdressList()
    }
    event.on('EventMessage', this, this.onEvent)
  },

  onEvent: function (message) {
    if (message.what == 301) {
      // console.log(message.obj)
      this.setData({
        addressInfo: message.obj,
        shippingAddressId:message.obj.shippingAddressId
      })
    }
  },
  /**
   * 获得商品详情
   */
  getProductDetails: function () {
    wx.showLoading({ title: '加载中', mask: true })
    getUserProduct(this.data.productId).then(result => {
      if(!this.data.unitPrice){
        this.data.unitPrice = result.data.unitPrice
      }
      var money = 0
      var stock = app.globalData.kg ? result.data.stock : math.divide(result.data.stock, 1000)
      if(util.isEmpty(result.data.lowestNum)){
        result.data.lowestNum = app.globalData.kg ? 1000 : 1
      } else {
        if(!app.globalData.kg){
          result.data.lowestNum = Number(math.divide(result.data.lowestNum, 1000)).toFixed(2)
        }
      }
      var quantity = result.data.bidType == 2 ? stock : result.data.lowestNum
      if(result.data.bidType == 2){
        if(app.globalData.kg){
          money = math.times(stock, this.data.unitPrice)
        } else {
          money = math.times(stock, math.times(1000, this.data.unitPrice))
        }
      } else {
        if(app.globalData.kg){
          money = math.times(quantity, this.data.unitPrice)
        } else {
          money = math.times(quantity, math.times(1000, this.data.unitPrice))
        }
      }
      this.setData({
        kg: app.globalData.kg,
        productInfo: result.data,
        stock: stock,
        unitPrice: this.data.unitPrice,
        quantity: quantity,
        totalMoney: money
      })
      wx.hideLoading()
      if (!app.globalData.userInfo.isVIP) {
        this.wuxDialog.open({
          resetOnClose: true,
          title: '温馨提示',
          content: '您还不是纸通宝的会员，无法下单，现在去开通会员？',
          buttons: [{
            text: '确定',
            type: 'primary',
            onTap(e) {
              wx.navigateTo({
                url: '/pages/ztbvip/index'
              })
            }
          }]
        })
      }
    }).catch(err => {
      //异常回调
      wx.hideLoading()
      util.showToast(err)
    })
  },
  // 数量变化的函数监听
  onNumChange: function (e) {
    if (e.detail && this.data.productInfo.bidType == 1) {
      var money = 0
      if(app.globalData.kg){
        money = math.times(e.detail.value, this.data.unitPrice)
      } else {
        money = math.times(e.detail.value, math.times(1000, this.data.unitPrice))
      }
      this.setData({
        quantity: e.detail.value,
        totalMoney: money
      })
    }
  },
  getAdressList:function(){
    getAddressList().then(res => {
      res.data.forEach((element) => {
        if(element.isDefault===1){
          this.setData({
            addressInfo: element,
            shippingAddressId:element.shippingAddressId
          })
        }
      })
    })
  },
  onUnload: function () {
    event.remove('EventMessage', this)
  },
  toCreateOrder:function(){
    if (!app.globalData.userInfo.isVIP) {
      this.wuxDialog.open({
        resetOnClose: true,
        title: '温馨提示',
        content: '您还不是纸通宝的会员，无法下单，现在去开通会员？',
        buttons: [{
          text: '确定',
          type: 'primary',
          onTap(e) {
            wx.navigateTo({
              url: '/pages/ztbvip/index'
            })
          }
        }]
      })
      return
    }
    if(this.data.quantity <= 0){
      util.showToast('请输入购买数量')
      return
    }
    if(this.data.addressInfo===null){
      util.showToast('请输入收货地址')
      return
    }
    var model = {
      productId: this.data.productInfo.productId,
      quantity: app.globalData.kg ? this.data.quantity : math.times(this.data.quantity, 1000),
      shippingAddressId: this.data.shippingAddressId
    }
    wx.showLoading({ title: '处理中', mask: true })
    createTradeOrder(model).then(result => {
      wx.hideLoading()
      event.emit('EventMessage', { what: 112, desc: 'OrderCreate' })
      wx.redirectTo({ url: '/pages/morder/detail/index?orderId=' + result.data.orderId })
    }).catch(err => {
      wx.hideLoading()
      util.showToast(err)
    })
  }
})