Python之socket简玩

from socket import *
 
# 定义服务端
server_socket=socket()
# 绑定地址、端口
server_socket.bind((gethostname(),9999))
# 开始监听
server_socket.listen()
 
while True:
    # 建立客户端连接
    client_socket, addr = server_socket.accept()
    print('连接地址:', addr)
 
    # 接收客户端发送的数据
    data = client_socket.recv(1024)
    print('接收数据:', data.decode('utf-8'))
 
    data="测试数据".encode('utf-8')
    client_socket.send(data)
 
    while True:
        try:
            msg=input("请输入：")
            if msg=="exit":
                break
 
            data=msg.encode('utf-8')
            client_socket.send(data)
        except:
            # 连不上，那就退出
            break

from socket import *
 
server="192.168.1.111"
# 定义客户端
client_socket=socket()
# 连接到服务端
client_socket.connect((server,9999))
# 给服务端发送消息
client_socket.send(b'hello')
 
try:
    # 保持连接并发送/接收数据
    while True:
        # 接收服务器数据
        data = client_socket.recv(1024)
        print('接收数据:', data.decode('utf-8'))
 
        # 发送响应（可选）
        # 发送响应（编码为字节）
        response = '收到数据'.encode('utf-8')
        client_socket.send(response)
 
except KeyboardInterrupt:
    # 用户中断，关闭连接
    print('退出连接')
    client_socket.close()
 
except Exception as e:
    # 处理其他异常
    print(f'发生错误: {e}')
    client_socket.close()

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