python 版本 2.7

server 端

# -*- coding:utf-8 -*-import socketsk = socket.socket()sk.bind(('127.0.0.1',9999))sk.listen(5)while True: print('server waiting...') conn,address = sk.accept() res = str(conn.recv(1024)) print(res) conn.sendall(bytes("hello,world!")) conn.close()

client端

# -*- coding:utf-8 -*-import socketsk = socket.socket()sk.connect(('127.0.0.1',9999))sk.sendall(bytes('你大爷!'))ret = str(sk.recv(1024))print(ret)sk.close()