python tcp

server

import socket
host="localhost"
port=
s=socket.socket(socket.AF_INET,socket.SOCK_STREAM)
s.bind((host,port))
s.listen()
while():
    sock,addr=s.accept()
    print("got connection form ",sock.getpeername())
    sock.send('Hello!')
    data=sock.recv()
    if not data:
        print("no client")
    else:
        print("cdcd",data)
    data=sock.recv()
    if not data:
        print("no client")
    else:
        print(data)
    data=sock.recv()
    if not data:
        print("no client")
    else:
        print(data)

输出：

('got connection form ', ('127.0.0.1', ))
('cdcd', '{"req": "get", "obj": "uuid", "param": {}, "seq": 0}')
no client
no client

---

client

# -*- coding: utf- -*-
"""
Created on Mon Mar  :: 

@author: zhanghc
"""

import socket
import json
import time
host="localhost"
port=
s=socket.socket(socket.AF_INET,socket.SOCK_STREAM)
s.connect((host,port))
data={"req":"get","obj":"uuid","seq":,"param":{}}
j = json.dumps(data)
s.send(j)
print(s.recv())
s.close()

输出

Hello!