1 import socket
 2 sk = socket.socket()
 3 address = (‘127.0.0.1‘,8006)
 4 sk.connect(address)
 5 print(‘已连接‘)
 6 
 7 while True:
 8     inp = input(‘>>>‘)
 9     if inp == ‘exit‘:
10         break
11     elif inp == ‘‘:
12         print(‘不能输入空白字符‘)
13         continue
14     sk.send(bytes(inp,‘utf8‘))
15     result_len = int(str(sk.recv(1024),‘utf8‘))   #接收结果的长度
16     print(result_len)
17     data = bytes()
18     while len(data) != result_len:
19         receive = sk.recv(1024)
20         data += receive
21     print(str(data,‘gbk‘))

 1 import subprocess     #该模块用来执行cmd命令
 2 import socket
 3 sk = socket.socket()
 4 address = (‘127.0.0.1‘,8006)
 5 sk.bind(address)
 6 sk.listen(3)
 7 
 8 while True:
 9     print(‘waiting for connection..........‘)
10     conn,addr = sk.accept()
11     while True:
12         try:
13             data = str(conn.recv(1024),‘utf8‘)
14             if  data != ‘‘:
15                 print(data)
16             else:
17                 continue
18         except Exception as e:
19             print(e)
20             break
21         obj = subprocess.Popen(data,shell=True,stdout=subprocess.PIPE)
22         cmd_result = obj.stdout.read()    #读取cmd命令的结果，该结果就是bytes类型
23         result_len = str(len(cmd_result))  #计算结果的大小
24         conn.send(bytes(result_len,‘utf8‘))  #先发送一个结果的大小
25         conn.sendall(cmd_result)   #发送命令执行的内容
26 sk.close()