python之base64編碼解碼

Python 2.7.16 (default, Dec 13 2019, 18:00:32) 
[GCC 4.2.1 Compatible Apple LLVM 11.0.0 (clang-1100.0.32.4) (-macos10.15-objc-s on darwin
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>>> import base64
>>> url = "https://blog.csdn.net/m0_37490554" #普通字符串
>>> bytes_url = url.encode("utf-8")           #utf-8編碼
>>> str_url = base64.b64encode(bytes_url)     #base64編碼
>>> print(str_url)                            #打印base64編碼後的結果
aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L20wXzM3NDkwNTU0
>>>  #下一行爲解碼
>>> str_url = base64.b64decode(str_url).decode("utf-8")   
>>> print(str_url) #打印解碼後的結果
https://blog.csdn.net/m0_37490554