一、服务端(Server.py)
服务端要做的事情是：
1. 创建一个Socket对象
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import sockets=socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
2. 绑定一个端口
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s.bind(("",8081))
3. 接受来自客户端的消息
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while True:#Receive up to 1,024 bytes in a datagram data, addr=s.recvfrom(1024) print"Received:", data,"from", addr
二、客户端(Client.py)
客户端要做的事情是：
1. 创建一个Socket对象。
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import sockets=socket.socket(socket.AF_INET, socket.SOCK_DGRAM) 2. 向某个服务器的指定的端口发送消息。由于使用UDP，如果服务器端未接收到将会丢弃数据包。
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port=8081 host="localhost"while True:msg=raw_input()s.sendto(msg, (host, port))