多线程UDP聊天

简介：同一时间，聊天器两端均可收发数据

 1 import socket
 2 import threading
 3 
 4 udp_socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
 5 
 6 
 7 def send_msg(dest_ip, dest_port):
 8     """发送数据"""
 9     while True:
10         send_data = input("请输入您要发送的数据：")
11         udp_socket.sendto(send_data.encode('gbk'), (dest_ip, dest_port))
12 
13 
14 def recv_msg():
15     """接收数据"""
16     while True:
17         recv_data = udp_socket.recvfrom(1024)
18         print("%s:%s" % (recv_data[1], recv_data[0].decode('gbk')))
19         # print(recv_data)
20 
21 
22 def main():
23     # udp_socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
24     udp_socket.bind(('', 7788))
25     dest_ip = input("请输入对方的IP：")
26     dest_port = int(input("请输入对方的Port:"))
27     # # 发送数据
28     # send_msg(ip, port)
29     #
30     # # 接收数据
31     # recv_msg()
32 
33     # 多任务分别执行发送和接收数据
34     t_recv = threading.Thread(target=recv_msg)
35     t_send = threading.Thread(target=send_msg, args=(dest_ip, dest_port))
36     t_recv.start()
37     t_send.start()
38 
39 
40 if __name__ == '__main__':
41     main()