python3 str.encode bytes.decode

str.encode

把字符串编码成字节序列

bytes.decode

把字节序列解码成字符串

https://docs.python.org/3.5/library/stdtypes.html

str.

encode

(encoding=”utf-8”, errors=”strict”)
Return an encoded version of the string as a bytes object. Default encoding is

'utf-8'

. errors may be given to set a different error handling scheme. The default for errors is

'strict'

, meaning that encoding errors raise a

UnicodeError

. Other possible values are

'ignore'

,

'replace'

,

'xmlcharrefreplace'

,

'backslashreplace'

and any other name registered via

codecs.register_error()

, see section Error Handlers. For a list of possible encodings, see section Standard Encodings.

Changed in version 3.1: Support for keyword arguments added.

bytes.

decode

(encoding=”utf-8”, errors=”strict”)

bytearray.

decode

(encoding=”utf-8”, errors=”strict”)
Return a string decoded from the given bytes. Default encoding is

'utf-8'

. errors may be given to set a different error handling scheme. The default for errors is

'strict'

, meaning that encoding errors raise a

UnicodeError

. Other possible values are

'ignore'

,

'replace'

and any other name registered via

codecs.register_error()

, see section Error Handlers. For a list of possible encodings, see section Standard Encodings.

Note

Passing the encoding argument to

str

allows decoding any bytes-like object directly, without needing to make a temporary bytes or bytearray object.

Changed in version 3.1: Added support for keyword arguments.