广播即时通信src和des

来源：互联网发布：中国电信4g网络制式编辑：程序博客网时间：2024/05/24 01:48

package 第十二章;import java.io.IOException;import java.net.DatagramPacket;import java.net.InetAddress;import java.net.MulticastSocket;import java.util.Scanner;public class GuangBoSrc {//发送广播public static void main(String[] args) throws IOException {InetAddress ip=InetAddress.getByName("230.0.0.1");MulticastSocket multicastSocket=new MulticastSocket(55555);multicastSocket.joinGroup(ip);byte[]b="该起床了！！".getBytes();<pre name="code" class="java">package 第十二章;import java.io.IOException;import java.net.DatagramPacket;import java.net.InetAddress;import java.net.MulticastSocket;import java.net.UnknownHostException;public class GuangBoDes {//接收广播public static void main(String[] args) throws IOException {InetAddress ip=InetAddress.getByName("2300.0.1");MulticastSocket multicastSocket=new MulticastSocket(55555);multicastSocket.joinGroup(ip);byte[]b=new byte[1024];DatagramPacket packet =new DatagramPacket(b, b.length);multicastSocket.receive(packet);String str=new String(packet.getData(),0,packet.getLength());}}

DatagramPacket packet=new DatagramPacket(b, b.length, ip, 55555);multicastSocket.send(packet);}}

0 0