1 # -*- coding:utf-8 -*-
 2 
 3 import subprocess
 4 cmd = r"ping www.baidu.com"
 5 result = subprocess.check_output(cmd)
 6 print(result.decode())  # decode中不带参数，默认是以utf-8解码
 7 
 8 
 9 输出报错：
10 Traceback (most recent call last):
11   File "E:/debug.py", line 12, in <module>
12     print(result.decode())  # decode中不带参数
13 UnicodeDecodeError: 'utf-8' codec can't decode byte 0xd5 in position 2: invalid continuation byte
14 
15 Process finished with exit code 1

 1 # -*- coding:utf-8 -*-
 2 
 3 import subprocess
 4 cmd = r"ping www.baidu.com"
 5 result = subprocess.check_output(cmd)
 6 print(result.decode("unicode_escape"))  # decode中带参数 unicode_escape
 7 
 8 
 9 输出显示乱码如下：
10 ÕýÔÚ Ping www.a.shifen.com [14.215.177.39] ¾ßÓÐ 32 ×Ö½ÚµÄÊý¾Ý:
11 À´×Ô 14.215.177.39 µÄ»Ø¸´: ×Ö½Ú=32 ʱ¼ä=6ms TTL=47
12 À´×Ô 14.215.177.39 µÄ»Ø¸´: ×Ö½Ú=32 ʱ¼ä=6ms TTL=47
13 À´×Ô 14.215.177.39 µÄ»Ø¸´: ×Ö½Ú=32 ʱ¼ä=6ms TTL=47
14 À´×Ô 14.215.177.39 µÄ»Ø¸´: ×Ö½Ú=32 ʱ¼ä=6ms TTL=47
15 
16 14.215.177.39 µÄ Ping ͳ¼ÆÐÅÏ¢:
17     Êý¾Ý°ü: ÒÑ·¢ËÍ = 4£¬ÒѽÓÊÕ = 4£¬¶ªÊ§ = 0 (0% ¶ªÊ§)£¬
18 Íù·µÐг̵ĹÀ¼Æʱ¼ä(ÒÔºÁÃëΪµ¥Î»):
19     ×î¶Ì = 6ms£¬× = 6ms£¬Æ½¾ù = 6ms
20 
21 
22 Process finished with exit code 0

 1 # -*- coding:utf-8 -*-
 2 
 3 import subprocess
 4 cmd = r"ping www.baidu.com"
 5 result = subprocess.check_output(cmd)
 6 print(result.decode("gbk"))  # decode中带参数 gbk
 7 
 8 
 9 输出显示正常如下：
10 正在 Ping www.a.shifen.com [14.215.177.39] 具有 32 字节的数据:
11 来自 14.215.177.39 的回复: 字节=32 时间=7ms TTL=47
12 来自 14.215.177.39 的回复: 字节=32 时间=6ms TTL=47
13 来自 14.215.177.39 的回复: 字节=32 时间=7ms TTL=47
14 来自 14.215.177.39 的回复: 字节=32 时间=7ms TTL=47
15 
16 14.215.177.39 的 Ping 统计信息:
17     数据包: 已发送 = 4，已接收 = 4，丢失 = 0 (0% 丢失)，
18 往返行程的估计时间(以毫秒为单位):
19     最短 = 6ms，最长 = 7ms，平均 = 6ms
20 
21 
22 Process finished with exit code 0