python 版本 2.7

server 端

# -*- encoding: utf-8 -*-import SocketServerclass MyServer(SocketServer.BaseRequestHandler): def handle(self): conn = self.request conn.sendall('骚年，你好!') while True: recv_data = conn.recv(1024) if recv_data == 'q': break conn.sendall(recv_data.upper())if __name__ == '__main__': server = SocketServer.ThreadingTCPServer(('127.0.0.1',9999),MyServer) server.serve_forever()

client 端

# -*- encoding: utf-8 -*-import socketconn = socket.socket()conn.connect(('127.0.0.1',9999))welcome = conn.recv(1024)print(welcome)while True: data = raw_input(">>") conn.sendall(data) if data == 'q': break print(conn.recv(1024))