python中转换模块codecs的讲解（附示例）

<class 'str'>

<class 'bytes'>

b'\xe9\xa3\x8e\xe5\x8d\xb7\xe6\xae\x8b\xe4\xba\x91'

<class 'str'>

风卷残云

风卷残云

import codecs

a = "我爱你"

 # 创建utf-8编码器

look = codecs.lookup('utf-8')

type(a)

a = bytes(a,encoding='utf-8')

b = look.decode(a)

print(b)

('我爱你', 9)

f = codecs.open(filepath, 'r', 'utf8')

#for i in f:

#    print(i)

#f.readline()

#f.read()

#f.readlines()