用Python实现点对点的聊天,2个程序,一个是client.py,一个是server.py,通过本机地址127.0.0.1连接进行通信,利用多线程把发送消息和接收消息分开独立进行。
client代码:
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import socket
import sys
import threading
import time
class client():
def __init__( self ):
self .s = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
self .ip = "127.0.0.1"
def connect( self ):
try :
self .s.connect(( self .ip, 8888 ))
print ( "connect success" )
print ( 'connect time: ' + time.ctime())
except ConnectionError:
print ( 'connect error' )
sys.exit( - 1 )
except :
print ( 'unexpect error' )
sys.exit( - 1 )
def send_sth( self ):
while True :
sth = input ( 'say something:\n' )
try :
self .s.sendall(sth.encode( 'utf-8' ))
except ConnectionError:
print ( 'connect error' )
sys.exit( - 1 )
except :
print ( 'unexpect error' )
sys.exit( - 1 )
def receive( self ):
while True :
try :
r = self .s.recv( 1024 )
print ( 'get message:' + r.decode( 'utf-8' ))
except ConnectionError:
print ( 'connect error' )
sys.exit( - 1 )
except :
print ( 'unexpect error' )
sys.exit( - 1 )
c1 = client()
c1.connect()
threading._start_new_thread(c1.receive,())
c1.send_sth()
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server代码:
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import socket
import sys
import threading
import time
def server():
def bind():
HOST = '127.0.0.1'
s.bind((HOST, 8888 ))
print ( "bind ok" )
def listen():
s.listen( 10 )
print ( 'Socket now listening' )
def send_sth(conn):
while True :
try :
sth = input ( 'say something:\n' )
conn.sendall(sth.encode( 'utf-8' ))
except ConnectionError:
print ( 'connect error' )
sys.exit( - 1 )
except :
print ( 'unexpect error' )
sys.exit( - 1 )
def recv(conn):
while True :
try :
data = conn.recv( 1024 )
data2 = data.decode( 'utf-8' )
print ( 'get message:' + data2)
except ConnectionError:
print ( 'connect error' )
sys.exit( - 1 )
except :
print ( 'unexpect error' )
sys.exit( - 1 )
s = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
bind()
listen()
conn,addr = s.accept()
print ( "connect success" )
print ( 'connect time: ' + time.ctime())
threading._start_new_thread(recv,(conn,))
send_sth(conn)
if __name__ = = '__main__' :
server()
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开启多线程有2种方法,上面2个程序都是用函数的方法,还有一种方法是用类继承threading类
代码:
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import socket
import threading
class client(threading.Thread):
def __init__( self ,sth):
threading.Thread.__init__( self )
self .sth = sth
def run( self ):
s = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
ip = "127.0.0.1"
try :
s.connect((ip, 8888 ))
except :
print ( 'con error' )
exit()
#print("connect success")
s.sendall( self .sth.encode( 'utf-8' ))
#print("send success")
try :
r = s.recv( 1024 )
except :
print ( 'recv error' )
exit()
print (r.decode( 'utf-8' ))
c1 = client( 'hello 1' )
c1.start()
c2 = client( 'hello 2' )
c2.start()
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以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持服务器之家。
原文链接:https://blog.csdn.net/nameofcsdn/article/details/75119572