#!/usr/bin/env python # UDP服务器demo from socket import * from time import ctime HOST = '' PORT = 21567 BUFSIZ = 1024 ADDR = (HOST, PORT) udpSerSock = socket(AF_INET, SOCK_DGRAM) udpSerSock.bind(ADDR) while True: print('waiting for message...') data, addr = udpSerSock.recvfrom(BUFSIZ) udpSerSock.sendto('[%s] %s' % (ctime(), data), addr) print('...received from and returned to:', addr) udpSerSock.close()