The applet image cannot display Base64 pictures. The solution is valid

 

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 var data = res.data
        var array = wx.base64ToArrayBuffer(res.data)
        var base64 = wx.arrayBufferToBase64(array)
        if (res.statusCode == 200) {
          that.setData({
            imageData: 'data:image/jpeg;base64,' + base64,  // data  Returned for interface base64 character string   
          })
        }

 

The right way is

image1path = image1path.replace(/[\r\n]/g,""); 

No, you hit me ！！！