python网络编程实现TCP和UDP连接
服务端： #!/usr/bin/env python3# -*- coding: utf-8 -*-
import socket
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
# 绑定端口:
s.bind(('127.0.0.1', 9999))
print('Bind UDP on 9999...')
while True:
# 接收数据:
data, addr = s.recvfrom(1024)
print('Received from %s:%s.' % addr)
reply = 'Hello, %s!' % data.decode('utf-8')
s.sendto(reply.encode('utf-8'), addr)
客户端：
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
import socket
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
for data in :
# 发送数据:
s.sendto(data, ('127.0.0.1', 9999))
# 接收数据:
print(s.recv(1024).decode('utf-8'))
s.close()
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