Python socket模块

socket参数应用介绍

socket

基础版套接字通信

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# @Time    : 17/11/7 15:26
# @Author  : Tiancc
# @Site    : 
# @File    : Server.py
# @Software: PyCharm

from socket import *


cmd=socket(socket.AF_INET,socket.SOCK_STREAM)    #等同于socker()
#SOCK_STREAM 代表TCP协议(流式协议),SOCK_DGRAM代表UDP协议(数据包协议)

cmd.setsockopt(SOL_SOCKET,SO_REUSEADDR,1) #重用准备被回收的端口（短时间内）1为开启
cmd.bind(('127.0.0.1',8080))  #本地地址以及端口

cmd.listen(3)   #最大挂起的链接数n,client_addr = cmd.accept()  #(套接字链接,客户端的IP合端口)

while True:
    coon, client_addr = cmd.accept()  # 套接字链接,客户端的IP合port
    while True:
        try:
            data = coon.recv(1024)  # 收消息 1024字节
            print('客户端数据: ', data.decode('utf-8'))
            if not data: break  # MAC Linux 断开后的处理
            coon.send(data.upper())  # 发消息

        except Exception:
            break
    coon.close()
cmd.close()

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# @Time    : 17/11/7 15:26
# @Author  : Tiancc
# @Site    : 
# @File    : Client.py
# @Software: PyCharm

from socket import *

cmd = socket()

cmd.connect(('127.0.0.1',8080))
while True:
    _input = input('>>: ').strip()
    if not _input:continue #判断用户不可以输入空,因为操作系统内存不会发空
    cmd.send(_input.encode('utf-8'))   #发消息

    data = cmd.recv(1024)   #收消息
    print(data.decode('utf-8'))

cmd.close()

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# @Time    : 17/11/7 17:25
# @Author  : Tiancc
# @Site    : 
# @File    : Client2.py
# @Software: PyCharm

from socket import *

cmd = socket()

cmd.connect(('127.0.0.1',8080))
while True:
    _input = input('>>: ').strip()
    if not _input:continue
    cmd.send(_input.encode('utf-8'))   #发消息

    data = cmd.recv(1024)   #收消息
    print(data.decode('utf-8'))


cmd.close()