小小聊天室Python代码实现

相对于Java方式的聊天室，Python同样可以做得到。而且可以做的更加的优雅。想必少了那么多的各种流的Python Socket，你一定会喜欢的。
至于知识点相关的内容，这里就不多说了。

UDP方式

服务器端

# coding:utf-8

#  __author__ = 'Mark sinoberg'
#  __date__ = '2016/7/7'
#  __Desc__ = 创建一个简单的套接字监听请求

import socket

HOST = '192.168.59.255'
PORT = 9998

s = socket.socket(socket.AF_INET,socket.SOCK_DGRAM)
s.bind(('',PORT))
print '套接字已启动！'
while True:
  data,addr = s.recvfrom(1024)
  print addr,str(' : ')+data

客户端

# coding:utf-8

#  __author__ = 'Mark sinoberg'
#  __date__ = '2016/7/7'
#  __Desc__ = socket的客户端的简单实现

import socket

PORT = 9998
HOST = '192.168.59.255'
s = socket.socket(socket.AF_INET,socket.SOCK_DGRAM)
words = raw_input('Client:')
while words != 'quit':
  s.sendto(words,(HOST,PORT))
  words = raw_input('Client:')
s.close()

是不是很简单啊。我们需要注意的就是socket的第二个参数为SOCK_DGRAM。因为这和TCP方式的SOCK_STREAM 有所不同。

TCP方式

服务器端

# coding:utf-8

#  __author__ = 'Mark sinoberg'
#  __date__ = '2016/7/7'
#  __Desc__ = 简单的tcpsocket的实现

from socket import *
from time import ctime

HOST = ''
PORT = 9999
BUFFERSIZE = 1024
ADDRESS = (HOST,PORT)

s = socket(AF_INET,SOCK_STREAM)
s.bind(ADDRESS)
s.listen(5)

while True:
  print 'Waiting for clients cennect!'
  tcpclient,addr = s.accept()
  print 'Connected By ',addr

  while True:
    try:
      data = tcpclient.recv(BUFFERSIZE)
    except Exception,e:
      print e.message
      tcpclient.close()
      break
    if not data:
      print "No Data received!"
      break
    senddata = 'Hi,you send me:[%s]%s'%(ctime(),data.encode('utf8'))
    tcpclient.send(senddata.encode('utf8'))
    print addr,' Says:',ctime(),data.encode('utf8')

tcpclient.close()
s.close()

 客户端

# coding:utf-8

#  __author__ = 'Mark sinoberg'
#  __date__ = '2016/7/7'
#  __Desc__ = 简单的tcp socket客户端的实现

from socket import *

class TcpClient:
  # HOST = 'localhost'
  PORT = 9999
  HOST = '192.168.59.225'
  BUFFSIZ = 1024
  ADDR = (HOST,PORT)
  def __init__(self):
    self.client = socket(AF_INET,SOCK_STREAM)
    self.client.connect((self.HOST,self.PORT))

    while True:
      senddata = raw_input('>>>')
      if not senddata:
        print 'Please input some words!\n>>>'
        continue
      if senddata == "quit":
        break
      self.client.send(senddata.encode('utf8'))
      recvdata = self.client.recv(self.BUFFSIZ)
      if not recvdata:
        break
      print recvdata.encode('utf8')

if __name__ == "__main__":
  client = TcpClient()

TCP方式演示结果：(注意先开启服务器端)

服务器端

D:\Software\Python2\python.exe E:/Code/Python/MyTestSet/sockettest/SimpleTCPServer.py
Waiting for clients cennect!
Connected By  ('192.168.59.225', 63095)
('192.168.59.225', 63095)  Says: Thu Jul 07 16:01:10 2016 Hello World
('192.168.59.225', 63095)  Says: Thu Jul 07 16:01:15 2016 haode
No Data received!
Waiting for clients cennect!

客户端

D:\Software\Python2\python.exe E:/Code/Python/MyTestSet/sockettest/SimpleTcpClient.py
>>>Hello World
Hi,you send me:[Thu Jul 07 16:01:10 2016]Hello World
>>>
Please input some words!
>>>
>>>haode
Hi,you send me:[Thu Jul 07 16:01:15 2016]haode
>>>quit

Process finished with exit code 0

总结

简单的使用TCP或者是UDP确实很容易，然而要想更好的利用这两个协议，就需要好好的设计一番了。

这里我想强调的是，注意tcp和udp创建套接字时指定的参数即可。

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