03python 基于UDP的socket连接（网络编程）

sever：

import socket

sk = socket.socket(type=socket.SOCK_DGRAM)
sk.bind(('127.0.0.1', 8080))

msg, addr = sk.recvfrom(1024)
print(msg.decode('utf-8'))

sk.sendto(b'bye', addr)

sk.close()

# UDPde server 不需要进行监听也不需要建立连接
# 在启动服务之后只能被动的等待客户端发送消息过来
# 客户端发送消息的同时还会自带地址信息
消息回复的时候不仅需要发送消息，还需要把自己的地址发送出去import socket

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