data URI

https://stackoverflow.com/questions/54198488/how-to-convert-canvas-url-to-image-numpy-array-with-flask

https://stackoverflow.com/questions/19395649/python-pil-create-and-save-image-from-data-uri

  

   

    

     

    
    

     

      import base64
     
    
   

    

     

    
    

     

      from io import BytesIO
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      @app.route('/send_pic',methods=['GET','POST'])
     
    
   

    

     

    
    

     

      def button_pressed():
     
    
   

    

     

    
    

     

       print("Image recieved")
     
    
   

    

     

    
    

     

       data_url = request.values['imageBase64']
     
    
   

    

     

    
    

     

       # Decoding base64 string to bytes object
     
    
   

    

     

    
    

     

       img_bytes = base64.b64decode(data_url)
     
    
   

    

     

    
    

     

       img = Image.open(BytesIO(img_bytes))
     
    
   

    

     

    
    

     

       img  = np.array(img)
     
    
   

    

     

    
    

     

       cv2.imshow(img)
     
    
   

    

     

    
    

     

       cv2.waitKeys(0)
     
    
   

    

     

    
    

     

       cv2.destroyAllWindows()
     
    
   

    

     

    
    

     
 return ""
     
    
  
 

  

   

    

     

    
    

     

      from binascii import a2b_base64
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      data = 'MY BASE64-ENCODED STRING'
     
    
   

    

     

    
    

     

      binary_data = a2b_base64(data)
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      fd = open('image.png', 'wb')
     
    
   

    

     

    
    

     

      fd.write(binary_data)
     
    
   

    

     

    
    

     

      fd.close()
     
    
  
 

文章来源: blog.csdn.net，作者：网奇，版权归原作者所有，如需转载，请联系作者。

原文链接：blog.csdn.net/jacke121/article/details/88074609