socket编程-udp

server.py

# socket编程-udp
from socket import *
import time

ip_port = ('127.0.0.1', 8080)
buffer_size = 1024

udp_server = socket(AF_INET, SOCK_DGRAM)  # SOCK_DGRAM代表数据报式套接字，即udp
udp_server.bind(ip_port)

while True:  # 不需要listen及accept建立连接,直接进入通讯循环
    data, addr = udp_server.recvfrom(buffer_size)
    data = (data.decode('utf-8'))
    print(data)
    back_time = time.strftime('%Y-%m-%d %X')
    newstr = '%s %s' % (back_time, data)
    udp_server.sendto(newstr.encode('utf-8'), addr)

udp_server.close()

client.py

from socket import *

ip_port = ('127.0.0.1', 8080)
buffer_size = 1024

udp_client = socket(AF_INET, SOCK_DGRAM)

while True:
    msg = input('===>').strip()
    udp_client.sendto(msg.encode('utf-8'), ip_port)
    data, addr = udp_client.recvfrom(buffer_size)
    print(data.decode('utf-8'))

udp_client.close()