Micro letter applet wx.uploadFile two pit

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setImage:function(e){
    var _this = this　　//坑1
    wx.chooseImage({
      count: 1, 
      sizeType: ['original', 'compressed'], 
      sourceType: ['album', 'camera'], 
      success: function (res) {
        var tempFilePaths = res.tempFilePaths
        console.log(tempFilePaths)
        wx.uploadFile({
          url: app.globalData.myhost+'customer-header?access_token='+app.globalData.itoken,
          filePath: tempFilePaths[0],
          name: 'uploadFile',
          formdat to {
            'userId': app.globalData.iuserId
          },
          Success: function (RES) { var Data = the JSON.parse (res.data)　　// Pit 2: and wx.request different, wx.uploadFile returns [String], into their required JSON format 
            console.log ( ' uploaded successfully ' )
            _this.setData ({　　　　// Pit 1: wx.uploadFile this itself has a, so to external var _this = this brought to this 
              headerImageUrl: data.headerImageUrl
            })
            console.log ( ' Refresh success ' )
          }
        })
      }
    })
  },

 

 

 

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