Python Socket Basic Learning, note that you need to open the server program, in the Open client program,

Server-side

#-*-Coding:utf-8-*-

# python:2.x

__author__ = ' Administrator '

From socket Import *

From time Import *

Host= "

port=1122# Listening Port

bufsiz=1024

Addr= (Host,port)

Sock=socket (Af_inet,sock_stream)

Sock.bind (ADDR)

Sock.listen (5)

# Conditions

Stop_chat=false

While not stop_chat:

Print U ' waiting for access, listening port :%d ' (port)

Tcpclientsock,addr=sock.accept ()

Print U ' receive , client address :%d '% (addr)

While True:

Try

Data=tcpclientsock.recv (BUFSIZ) # receive data

Except

Tcpclientsock.close ()

Break

If not data:

Break

iostimeformat= '%y-%m-%d%x '

Strime=strftime (Iostimeformat,localtime ())

the message sent to me by S=u '%s is :%s '% (Addr[0],data.decode (' UTF8 '))

Tcpclientsock.send (S.encode (' UTF8 '))

Print ([Strime], ': ', Data.decode (' UTF8 '))

# If you enter quit ( ignoring case ), the program exits

stop_chat= (Data.decode (' UTF8 '). Upper () = = ' QUIT ')

If not stop_chat:

Break

Tcpclientsock.close ()

Sock.close ()

print '-------'

Client programs

#-*-Coding:utf-8-*-

# python:2.x

__author__ = ' Administrator '

From socket Import *

Class TcpC:

Host= ' 127.0.0.1 '

port=1122

bufsiz=2048

Addr= (Host,port)

def __init__ (self):

Self.client=socket (Af_inet,sock_stream)

Self.client.connect (self. ADDR)

While True:

Data=raw_input (' > ')

If not data:

Break

Self.client.send (data)

print ' send message to %s:%s '% (self. Host,data)

If data.upper () = = ' QUIT ':

Break

Data=self.client.recv (self. BUFSIZ)

If not data:

Break

print ' information received from %s '% (self. Host,data)

If __name__== ' __main__ ':

CLIENT=TCPC ()

print ' UDP learning '

# python:2.x

__author__ = ' Administrator '

From socket Import *

#upd Communications

port=8081# Port number

S=socket (af_inet,so_debug) # sender, receiving UDP data

S.bind (("', port)")

Print U ' waiting for data to be received '

While True:

# Receive Data

Data,addr=s.recvfrom ()

print ' Received: ', data, ' from: ', addr

#-*-Coding:utf-8-*-

# python:2.x

__author__ = ' Administrator '

From socket Import *

#upd Communications

port=8081# Port number

host= ' localhost '

S=socket (Af_inet,sock_dgram)

S.sendto (b ' hello,this is a Test info! ', (Host,port))

Python Socket Basic Learning, note that you need to open the server program, in the Open client program,