服务端：

```
import socket
import subprocess
phone=socket.socket(socket.AF_INET,socket.SOCK_STREAM) # 流式协议=》tcp协议

phone.bind(('127.0.0.1',8080)) # 0-65535, 1024以前的都被系统保留使用

phone.listen(5) # 5指的是半连接池的大小

conn,client_addr=phone.accept()

while True:
    try:
        data = conn.recv(1024)  # 最大接收的数据量为1024Bytes，收到的是bytes类型
        if data == 'q':
            break
        print("客户端发来的消息：", data.decode('gbk'))
        obj = subprocess.Popen(data.decode('gbk'), shell=True,
                               stdout=subprocess.PIPE,
                               stderr=subprocess.PIPE,
                               )
        res = obj.stdout.read()
        err_res = obj.stderr.read()
        # if not res:
        #     break
        conn.send(res)
        # if not err_res:
        #     break
        conn.send(err_res)
    
    except Exception:
        print('输入有误')
        break
conn.close()
    
```
客户端

```
import socket

phone=socket.socket(socket.AF_INET,socket.SOCK_STREAM) # 流式协议=》tcp协议

phone.connect(('127.0.0.1',8080))

while True:
    msg=input("输入要发送的消息>>>: ").strip()
    if len(msg) == 0:continue
    phone.send(msg.encode('gbk'))
    data=phone.recv(1024)
    print(data.decode('gbk'))

phone.close()
```