var FilePaths = []  

      let promiseArr = [];

      for (let i = 0;i< this.data.imgList.length ; i++) {

        let promise = new Promise((resolve, reject) => {

          var randstring = Math.floor(Math.random() * 100).toString() + '.png'

          randstring =  randstring

          wx.cloud.uploadFile({

            cloudPath: 'newsImages/' + randstring,

            filePath: this.data.imgList[i], // 文件路径

            success: res => {

              // get resource ID

              console.log(res.fileID)

              FilePaths[i] = res.fileID

              resolve(res);

            },

            fail: err => {

              reject(error);

            }

          })

        })

        promiseArr.push(promise)

      }

      this.setData({

        imgList1: FilePaths

      })

      console.log(this.data.imgList1)

     // Promise.all(promiseArr).then((result) => {  // this.data.imgList1是云空间的文件路径吗?

      //  if (this.data.imgList1.length!= 0) {

        //  this.setData({

        //    imgList1: this.data.imgList1.concat(FilePaths)

        //  })

        //} else {

         // this.setData({

         //   imgList1: FilePaths

          //})

         // console.log(this.data.imgList1[0])

        //}

       // wx.hideLoading()

     // })

       /*云数据库记录*/

       const db = wx.cloud.database({

        env: 'env-1gz2buk367a05f5c'

      })

      //const diliId = db.collection('enginerInformation')

      var util=require('../../utils/util.js')

      var date=util.formatTime(new Date());

      var data1={

          pictureFileId1:FilePaths,

          tuban:this.data.tuban,

          beiZhu:e.detail.value.beiZhu,

          date:date}

      db.collection('enginerInformation').add({

          data:data1,

        success: function(res) {

          // res 是一个对象，其中有 _id 字段标记刚创建的记录的 id

          console.log(res)

        } 

      }),