my_loan/htmldev/shiningWxMini/pages/addNews/addNews.js

const uploadJS = require('../../mixin/upload.js')
const { postAddNews } = require('./api/index')

Page({

  /**
   * 页面的初始数据
   */
  data: {
    form: {
      'track_content': '',
      'track_img_url': []
    },
    track_img_url_max: 6
  },

  /**
   * 生命周期函数--监听页面加载
   */
  onLoad(options) {

  },

  /**
   * 生命周期函数--监听页面初次渲染完成
   */
  onReady() {

  },

  /**
   * 生命周期函数--监听页面显示
   */
  onShow() {

  },

  /**
   * 生命周期函数--监听页面隐藏
   */
  onHide() {

  },

  /**
   * 生命周期函数--监听页面卸载
   */
  onUnload() {

  },
  ...uploadJS,
  uploadCallBack(res) {
    const temp = res.map(item => {
      return {
        'url': item.url,
        'formkey': item.formkey
      }
    })
    let tempForm = {}
    let formkey = ''
    if (temp.length > 0) {
      formkey = temp[0].formkey
    }

    switch (formkey) {
      case 'track_img_url':
        const formkeyData = this.data.form[formkey]
        tempForm[`form.${formkey}`] = formkeyData.concat(...temp)
        break
      default:
    }

    if (Object.keys(tempForm).length > 0) {
      this.setData(tempForm)
    }
  },
  handleInput(e) {
    const { value } = e.detail

    this.setData({
      'form.track_content': value.trim()
    })
  },
  handleCancel() {
    wx.navigateBack({
      delta: 1
    })
  },
  getForm() {
    const { track_content, track_img_url } = this.data.form

    return {
      track_content: track_content,
      track_img_url: track_img_url.map(item => item.url)
    }
  },
  verify() {
    let errorList = []
    const { track_content, track_img_url } = this.data.form

    if (!track_content) {
      errorList.push('请写下此刻的想法')
    }

    if (track_img_url.length < 1) {
      errorList.push('请上传图片')
    }

    return errorList
  },
  async onSubmit() {
    const temp = this.getForm()
    const verifyList = this.verify()

    if (verifyList.length >= 2) {
      wx.showToast({
        title: verifyList[0],
        icon: 'none'
      })
      return
    }
    try {
      const { status, msg } = await postAddNews(temp)
      if (status) {
        const page = getCurrentPages()
        if (page.length >= 2 && page[page.length - 2].route === 'pages/news/news') {
          page[page.length - 2].refreshOrderList && page[page.length - 2].refreshOrderList()
        }
        wx.switchTab({
          url: '/pages/news/news'
        })
      } else {
        wx.showToast({
          title: msg,
          icon: 'none'
        })
      }
    } catch (err) {}
  }
})