socket
TCP
服务端
1 import socket
2 sk = socket.socket()
3 sk.bind(('127.0.0.1',8080)) # 绑定ip和端口号
4 sk.listen() # Enable a server to accept connections.
5 conn,addr = sk.accept() # Wait for an incoming connection. Return a new socket
6 # representing the connection, and the address of the client.
7 while 1:
8 content = conn.recv(1024) # 接收
9 print(content.decode('utf-8'))
10 conn.send(content+b'--liuyankui') # 发送
11 conn.close()
12 sk.close()
客户端
1 import socket
2 sk = socket.socket()
3 sk.connect(('127.0.0.1',8080)) #连接
4 while 1:
5 content = input('>>>').encode('utf-8')
6 sk.send(content)
7 ret = sk.recv(1024)
8 print(ret.decode('utf-8'))
9 sk.close()
UDP
服务端
1 import socket
2 sk = socket.socket(type=socket.SOCK_DGRAM)
3 sk.bind(('127.0.0.1',8080))
4 msg ,addr = sk.recvfrom(1024)
5 print(msg.decode('utf-8'))
6 sk.sendto(b'bye',addr)
7 sk.close()
用户端
1 import socket
2 sk = socket.socket(type=socket.SOCK_DGRAM)
3 ip_port = ('127.0.0.1',8080)
4 sk.sendto(b'hello',ip_port)
5 msg,addr = sk.recvfrom(1024)
6 print(msg.decode('utf-8'))
7 sk.close()
socketserver
server端
1 import socketserver
2
3 class MyServer(socketserver.BaseRequestHandler):
4 def handle(self):
5 while True:
6 msg = self.request.recv(1024).decode('utf-8')
7 if msg=='q':return
8 print(msg)
9 info = input('(sent to %s)>>>' %(msg[:2]))
10 self.request.send(info.encode('utf-8'))
11 if __name__ == '__main__':
12 server = socketserver.ThreadingTCPServer(('127.0.0.1',8080),MyServer)
13 server.serve_forever()
client端
1 import socket
2 sk = socket.socket()
3 sk.connect(('127.0.0.1',8080))
4 while 1:
5 msg = input('>>>')
6 if msg == 'q':
7 sk.send('q'.encode('utf-8'))
8 break
9 sk.send(('美团外卖:'+msg).encode('utf-8'))
10 print(sk.recv(1024).decode('utf-8'))
11 sk.close()
