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()