python str与bytes之间的转换

 1 # bytes object
 2  b = b"example"
 3
 4  # str object
 5  s = "example"
 6
 7  # str to bytes
 8  bytes(s, encoding = "utf8")
 9
10  # bytes to str
11  str(b, encoding = "utf-8")
12
13  # an alternative method
14  # str to bytes
15  str.encode(s)
16
17  # bytes to str
18  bytes.decode(b)  

原文地址：https://www.cnblogs.com/zhouxinfei/p/8322225.html