s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

import socket

def socket_server():
    server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    ip = ''   # ip可以是127.0.0.1，也可以為空
    port = 0000   # 端口號(hào)
    server_socket.bind((ip, port))
    server_socket.listen(5)
    logger.info('等待連接')
    while True:
        try:
            client_socket, address = server_socket.accept()
            logger.info(address[0] + '已連接')
            while True:
                data = client_socket.recv(1024)   # 接受客戶端發(fā)來的數(shù)據(jù)
                if not data:
                    logger.info(address[0] + '斷開連接')
                    break
                client_socket.send(data.upper())
                """
                可以使用else與上面的if形成搭配
                自己的任意想要實(shí)現(xiàn)的功能
				"""
        except ConnectionResetError:
            logger.error(address[0] + '異常斷開連接')
            continue
        except KeyboardInterrupt:
            logger.info('服務(wù)器關(guān)閉')
            break
    server_socket.close()

if __name__ == '__main__':
    socket_server()

import socket

def socket_client():
    client_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    ip = ''   # ip可以為127.0.0.1，也可以為服務(wù)器的IP，例：10.0.0.xxx
    port = 0000   # 必須與服務(wù)器端口號(hào)一致
    client_socket.connect((ip, port))

    while True:
        msg = input('>>').strip()
        if not msg:
            continue
        client_socket.send(msg.encode('utf-8'))   # 客戶端發(fā)送數(shù)據(jù)
        data = client_socket.recv(1024)   # 接收服務(wù)端返回的數(shù)據(jù)
        print(data.decode("utf-8"))
        # break   無(wú)break可以循環(huán)發(fā)送

    client_socket.close()

if __name__ == '__main__':
    socket_client()