udp傳送廣播訊息

import socket

if __name__ == '__main__':
# 建立udpsocket
udp_socket = socket.socket(socket.af_inet, socket.sock_dgram)
# 設定socket選項， 開啟傳送廣播訊息的功能
# 1. sol_socket：當前socket
# 2. so_broadcast： 廣播選項
# 3. true:開啟傳送廣播訊息功能
udp_socket.setsockopt(socket.sol_socket, socket.so_broadcast, true)
# 192.168.131.255： 只給131網段傳送廣播訊息
# 255.255.255.255: 傳送廣播訊息不區分網段
# 傳送廣播訊息
# 關閉socket
udp_socket.close()

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