python 图片,字节的相互转换
import base64
res = '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'
#字节转换成图片
img = base64.b64decode(res)
file = open('test.jpg','wb')
file.write(img)
file.close()
#图片转换为字节
with open(r'E:\python3\review\test.jpg','rb') as f:
res = base64.b64encode(f.read())
print(res)
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