shibeirencai_wechat/pages/topics/interactive/submitTopic/index.js

// pages/topics/interactive/submitTopic/index.js
import { config } from '../../../../config.js'
import { store } from '../../../../utils/store.js'
import { TopicModel } from '../../../../models/topic.js'
let topicModel = new TopicModel()

Page({

  /**
   * 页面的初始数据
   */
  data: {
    topicTitle:"",
    topicDetail:"",
    files:[]
  },

  /**
   * 生命周期函数--监听页面加载
   */
  onLoad: function (options) {
    this.setData({
      uplaodFile: this.uplaodFile.bind(this)
    })
  },
  bindTextInput(e){
    this.setData({
      topicTitle:e.detail.value
    })
  },
  bindTextAreaInput(e){
    this.setData({
      topicDetail: e.detail.value
    })
  },

  uplaodFile(files) {
    console.log('upload files', files)
    // 文件上传的函数，返回一个promise
    const token = store.readToken()
    console.log(token)
    return new Promise((resolve, reject) => {
      files.tempFilePaths.forEach(item=>{
        wx.uploadFile({
          url: config.api_url + "/api/common/upload",
          filePath: item,
          header: {
            'token': token,
            'content-type': 'application/json',
          },
          name: 'files',
          success: (res)=> {
            console.log(res);
            const data = JSON.parse(res.data)
            const image = {
              url: config.api_url + '/' + data.result.imgUrl,
            }
            this.setData({
              files: [...this.data.files, image]
            })
            resolve(this.data.files)
          }
        })
      })
    })
  },
  deleteFile(e){
    console.log(e)
    let tempImages = this.data.files
    const index = e.detail.index

    tempImages.splice(index, 1);
    this.setData({
      files:tempImages
    })
  },
  submit(){
    if (this.data.topicTitle === ""){
      wx.showToast({
        title: '请输入议题标题',
        icon: 'none'
      })
      return
    }
    if (this.data.topicDetail === "") {
      wx.showToast({
        title: '请输入议题内容',
        icon: 'none'
      })
      return
    }
    const tempImages = []
    this.data.files.forEach(item=>{
      tempImages.push(item.url)
    })

    let title = this.data.topicTitle
    let content = this.data.topicDetail
    let images = ''
    if (this.data.files.length > 0) {
      images = tempImages.join('')
    }
    topicModel.topicAddGroup(title,content,images,res=>{
      console.log(res)
      wx.showToast({
        title: res.message,
        icon: 'none',
        duration:2000,
        success(res){
          setTimeout(function () {
            wx.navigateBack({
              delta: 1
            })
          }, 2000) 
        }
      })
    })
  }
})