import java.io.IOException;

import java.net.*;public class 远程开机 {

    public static void main(String[] args)  {

        DatagramSocket ds = null; 

        try {

          ds = new DatagramSocket(9999);  //指定自己的port

        } catch (SocketException e) {

            System.out.println(e.getMessage());

        }

        byte a = Integer.valueOf(0xb8).byteValue();

        byte b = Integer.valueOf(0x97).byteValue();

        byte c = Integer.valueOf(0x5a).byteValue();

        byte d = Integer.valueOf(0x68).byteValue();

        byte e = Integer.valueOf(0x64).byteValue();

        byte f = Integer.valueOf(0x6f).byteValue();

        byte g = Integer.valueOf(0xff).byteValue();

        byte[] buf= {g,g,g,g,g,g,a,b,c,d,e,f,a,b,c,d,e,f,a,b,c,d,e,f,a,b,c,d,e,f,a,b,c,d,e,f,a,b,c,d,e,f,a,b,c,d,e,f,a,b,c,d,e,f,a,b,c,d,e,f,a,b,c,d,e,f,a,b,c,d,e,f,a,b,c,d,e,f,a,b,c,d,e,f,a,b,c,d,e,f,a,b,c,d,e,f,a,b,c,d,e,f};

        //(0xb8)(0x97)(0x5a)(0x68)(0x64)(0x6f)

        InetAddress address = null ;

        try {

            address = InetAddress.getByName("255.255.255.255");  //目标广播地址

        } catch (UnknownHostException o) {

            System.out.println(o.getMessage());

        }

        DatagramPacket dp =

                new DatagramPacket(buf, buf.length, address , 2222);  //2222为目标端口，只要是合法端口就可以（65535以内）

        try {

            ds.send(dp);  //发送数据

        } catch (IOException o) {

                System.out.println(o.getMessage());

        }

        ds.close();

    }

}