简单实现python聊天程序

#coding:utf-8
import socket, sys

host = 'localhost'
port = 10001

s = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
print 'socket创建成功'

try:
 s.connect((host,port))
 print '连接成功'
except:
 sys.exit(1)

while 1:
 try:
  date = raw_input('客户端：')
  s.send(date)
  buf = s.recv(1024)
  if len(buf):
   print '服务端：'+buf
 except:
  print'over'
  s.close()
  sys.exit(0)

# -*- coding: utf-8 -*-
import socket,sys

host = ''
port = 10001

s = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
s.setsockopt(socket.SOL_SOCKET,socket.SO_REUSEADDR,1)
s.bind((host,port))
s.listen(5)
print '就绪'
clientsock,clientaddr = s.accept()
print '已建立连接'

while 1:
 try:
  buf = clientsock.recv(1024)
  if len(buf):
   print '客户端：'+buf
  date = raw_input('服务端：')
  clientsock.send(date)
 except:
  print 'over'
  clientsock.close()
  sys.exit(0)