Java DatagramSocket 发送文件

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.InetAddress;
import java.net.SocketException;

public class lianxi {
    public static void main(String[] args){
        try {
            DatagramSocket socket = new DatagramSocket();
            FileInputStream fis = new FileInputStream("C:\\Users\\86176\\Desktop\\a.jpg");
            byte[] bt = fis.readAllBytes();
            DatagramPacket pack = new DatagramPacket(bt,bt.length, InetAddress.getByName("C:\\Users\\86176\\Desktop\\a.jpg"),8888);
            socket.send(pack);
            socket.close();
        }catch (Exception e){
            e.printStackTrace();
        }

    }
}