本帖最后由 黄兴旺 于 2013-8-2 22:58 编辑
- import java.io.*;
- import java.net.*;
- class Send implements Runnable
- {
- private DatagramSocket ds;
- public Send(DatagramSocket ds)
- {
- this.ds = ds;
- }
- public void run()
- {
- try
- {
- BufferedReader bufr = new BufferedReader(new InputStreamReader(System.in));
- String line = null; while((line=bufr.readLine())!=null)
- {
- byte[] buf = line.getBytes();
- DatagramPacket dp =
- new DatagramPacket(buf,buf.length,InetAddress.getByName("192.168.1.255"),10002);
- ds.send(dp);
- if("886".equals(line))
- break;
- }
- }
- catch (Exception e)
- {
- throw new RuntimeException("发送端失败");
- }
- }
- }
- class Rece implements Runnable
- {
- private DatagramSocket ds;
- public Rece(DatagramSocket ds)
- {
- this.ds = ds;
- }
- public void run()
- {
- try
- {
- while(true)
- {
- byte[] buf = new byte[1024];
- DatagramPacket dp = new DatagramPacket(buf,buf.length);
- ds.receive(dp);
- String ip = dp.getAddress().getHostAddress();
- String data = new String(dp.getData(),0,dp.getLength());
- if("886".equals(data))
- { System.out.println(ip+"....离开聊天室");
- break;
- } System.out.println(ip+":"+data);
- }
- }
- catch (Exception e)
- {
- throw new RuntimeException("接收端失败");
- }
- }
- }
- class ChatDemo
- {
- public static void main(String[] args) throws Exception
- {
- DatagramSocket sendSocket = new DatagramSocket();
- DatagramSocket receSocket = new DatagramSocket(10002);
- new Thread(new Send(sendSocket)).start();
- new Thread(new Rece(receSocket)).start();
- }
- }
复制代码 求大神解答下。 |