import socket
if __name__ == '__main__':
# 创建udpsocket
udp_socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
# 设置socket选项, 开启发送广播消息的功能
# 1. SOL_SOCKET:当前socket
# 2. SO_BROADCAST: 广播选项
# 3. True:开启发送广播消息功能
udp_socket.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, True)
# 192.168.131.255: 只给131网段发送广播消息
# 255.255.255.255: 发送广播消息不区分网段
# 发送广播消息
udp_socket.sendto("大家好,我是小汪,多多关照!".encode("gbk"), ("255.255.255.255", 2425))
# 关闭socket
udp_socket.close()