Python bytes string相互转换过程解析

if __name__ == "__main__":
 # 字节对象b
 b = b"shuopython.com"
 # 字符串对象s
 s = "shuopython.com"
 print(b)
 print(type(b))
 print(s)
 print(type(s))

# !usr/bin/env python
# -*- coding:utf-8 _*-
"""
@Author:何以解忧
@Blog(个人博客地址): shuopython.com
@WeChat Official Account(微信公众号)：猿说python
@Github:www.github.com
 
@File:python_bytes_string.py
@Time:2020/2/26 21:25
 
@Motto:不积跬步无以至千里，不积小流无以成江海，程序人生的精彩需要坚持不懈地积累！
"""
if __name__ == "__main__":
 s = "shuopython.com"
 # 将字符串转换为字节对象
 b2 = bytes(s, encoding='utf8') # 必须制定编码格式
 # print(b2)
 
 # 字符串encode将获得一个bytes对象
 b3 = str.encode(s)
 b4 = s.encode()
 print(b3)
 print(type(b3))
 print(b4)
 print(type(b4))

if __name__ == "__main__":
 # 字节对象b
 b = b"shuopython.com"
 print(b)
 b = bytes("猿说python", encoding='utf8')
 print(b)
 s2 = bytes.decode(b)
 s3 = b.decode()
 print(s2)
 print(s3)