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

// pages/goods/create/index.js
import { updatePurchase, createPurchase, paperCategoryList, getPurchaseInfo } from "../../../api/ztb"
import regions from '../../../utils/region'
const math = require('../../../utils/math')
const util = require('../../../utils/util')
const event = require('../../../utils/event.js')
const app = getApp()

Page({

  /**
   * 页面的初始数据
   */
  data: {
    safeBottom: app.globalData.safeBottom,
    height: app.globalData.safeFragmentHeight,
    kg: app.globalData.kg,
    options: regions,
    region: [440000, '', ''],
    cateList: [],
    imgLength: 0,
    fileList: [],
    form: {
      imgList: [],
      secondCategoryId: null
    },
    cateName: '',
    focus: false,
    picking: false
  },
  /**
   * 生命周期函数--监听页面加载
   */
  onLoad: function (options) {
    this.cascaderView = this.cascaderView || this.selectComponent('#wux-cascader')
    wx.showLoading({ title: '加载中', mask: true })
    if (options.id) {
      getPurchaseInfo(options.id).then(result => {
        var fileList = []
        if (result.data.imgList && result.data.imgList.length) {
          result.data.imgList.forEach(element => {
            fileList.push({ url: element, status: 8 })
          })
        }
        var region = []
        var areaStr = ''
        if(result.data.locDistrictId){
          region[0] = parseInt(result.data.locDistrictId / 10000) * 10000
          region[1] = parseInt(result.data.locDistrictId / 100) * 100
          region[2] = parseInt(result.data.locDistrictId)
          areaStr = result.data.locProvinceName + ' ' + result.data.locCityName + ' ' + result.data.locDistrictName
        }
        this.data.cateName = result.data.firstCategoryName + ' ' + result.data.secondCategoryName
        var unitPrice = ''
        if(result.data.unitPrice){
          unitPrice = math.times(result.data.unitPrice, 1000)
        }
        var purchaseQuantity = ''
        if(result.data.purchaseQuantity){
          purchaseQuantity = math.divide(result.data.purchaseQuantity, 1000)
        }
        this.setData({
          cateValue: [result.data.firstCategoryId, result.data.secondCategoryId],
          cateName: this.data.cateName,
          fileList: fileList,
          imgLength: fileList.length,
          form: result.data,
          ['form.unitPrice']: unitPrice,
          ['form.purchaseQuantity']: purchaseQuantity,
          region: region,
          ['form.areaStr']: areaStr
        })
        wx.hideLoading()
      }).catch(err => {
        //异常回调
        wx.hideLoading()
        util.showToast(err)
      })
    }
     paperCategoryList({ type: 1 }).then(result => {
      var cateList = []
      result.data.forEach((item) => {
        cateList.push({ label: item.name, value: item.id, isLeaf: false })
      })
      this.setData({ cateList: cateList, safeBottom: app.globalData.safeBottom, kg: app.globalData.kg, height: app.globalData.safeFragmentHeight })
      if (!options.id) {
        wx.hideLoading()
      }
    }).catch(err => {
      if (!options.id) {
        wx.hideLoading()
      }
    })
  },
  textareaFocus: function (e) {
    this.setData({ focus: true })
  },
  InputFocus(e) {
    this.setData({ focus: true })
  },
  InputBlur(e) {
    this.setData({ focus: false, ['form.description'] : this.data.form.description })
  },
  onImageChange: function (e) {
    if (e.detail) {
      var list = []
      e.detail.forEach(element => {
        if (!util.isEmpty(element.url)) {
          list.push(element.url)
        }
      })
      this.data.form['imgList'] = list
      this.setData({ imgLength: list.length })
    }
  },
  bindInput: function (e) {
    this.data.form[e.currentTarget.id] = e.detail.value
    if(e.currentTarget.id == 'description'){
      // this.setData({ ['form.description'] : e.detail.value})
    }
  },
  onLoadOptions: function (e) {
    const { value } = e.detail
    const options = [...this.data.cateList]
    var typeId = parseInt(value[value.length - 1])
    wx.showLoading({ title: '加载中', mask: true })
    paperCategoryList({ type: 2, firstCategoryId: typeId }).then(result => {
      var list = []
      result.data.forEach((item) => {
        list.push({ label: item.name, value: item.id })
      })
      options.forEach((element) => {
        if (parseInt(element.value) === typeId) {
          element.children = list
        }
      })
      this.setData({ cateList: options })
      wx.hideLoading()
    }).catch(err => {
      wx.hideLoading()
    })
  },
  showRegion: function () {
    if (this.data.disabled) {
      return
    }
    this.cascaderView.showPicker(this.data.region)
    this.setData({ picking: true })
  },
  onRegionInit: function (e) {
    if (this.data.form.locDistrictId && e.detail.length == 3) {
      this.setData({
        ['form.areaStr']: e.detail.map((n) => n.label).join(' ')
      })
    }
  },
  onRegionChange: function (e) {
    if (e.detail && e.detail.options) {
      this.setData({
        ['form.areaStr']: e.detail.options.map((n) => n.label).join(' '),
        region: e.detail.value
      })
      this.data.form['locProvinceId'] = e.detail.value[0]
      this.data.form['locProvinceName'] = e.detail.options[0].label
      this.data.form['locCityId'] = e.detail.value[1]
      this.data.form['locCityName'] = e.detail.options[1].label
      this.data.form['locDistrictId'] = e.detail.value[2]
      this.data.form['locDistrictName'] = e.detail.options[2].label
    }
    this.setData({
      picking: false
    })
  },
  showPaperPicker: function (e) {
    this.setData({ visible: true, picking: true })
    var list = [this.data.cateList[0].value]
    if (!this.data.cateList[0].children) {
      this.onLoadOptions({ detail: { value: list } })
    }
  },
  onCategory: function (e) {
    this.setData({ picking: false })
    if (e.detail && e.detail.options) {
      this.setData({
        cateName: e.detail.options.map((n) => n.label).join(' '),
        cateValue: e.detail.value
      })
      this.data.form['firstCategoryId'] = e.detail.value[0]
      this.data.form['secondCategoryId'] = e.detail.value[1]
    }
  },
  submitForm: function () {
    if (util.isEmpty(this.data.form.secondCategoryId)) {
      util.showToast('请选择废纸品类')
      return
    }
    if (util.isEmpty(this.data.form.description)) {
      util.showToast('请输入采购描述')
      return
    }
    if (this.data.form.imgList.length >= 1) {
      this.data.form['coverImgUrl'] = this.data.form.imgList[0]
    }
    if(!util.isEmpty(this.data.form.unitPrice) && !this.data.kg){
      this.data.form.unitPrice = math.divide(this.data.form.unitPrice, 1000)
    }
    if(!util.isEmpty(this.data.form.purchaseQuantity) && !this.data.kg){
      this.data.form.purchaseQuantity = math.times(this.data.form.purchaseQuantity, 1000)
    }
    this.setData({  requesting: true })
    wx.showLoading({ title: '加载中', mask: true })
    if (this.data.form.productId) {
      updatePurchase(this.data.form).then(result => {
        //成功回调
        wx.hideLoading()
        event.emit('EventMessage', {
          what: 412,
          desc: 'GoodsCreate'
        })
        util.showBackToast('修改成功!')
      }).catch(err => {
        //异常回调
        wx.hideLoading()
        this.setData({ requesting: false })
        util.showToast(err)
      })
    } else {
      createPurchase(this.data.form).then(result => {
        //成功回调
        wx.hideLoading()
        util.showBackToast('发布采购成功!')
      }).catch(err => {
        //异常回调
        wx.hideLoading()
        this.setData({ requesting: false })
        util.showToast(err)
      })
    }

  }
})