这是我刚写的,你看看对你有什么帮助没!
- 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 bu = new BufferedReader(new InputStreamReader(System.in));
- String line = null;
- while((line =bu.readLine())!=null)
- {
- if ("886".equals(line))
- break;
- byte[] bf = line.getBytes();
- DatagramPacket dp
- = new DatagramPacket(bf,bf.length,InetAddress.getByName("127.0.0.1"),10002);
- ds.send(dp);
- }
- ds.close();
- }
- catch (Exception e)
- {
- throw new RuntimeException("发送失败");
- }
- }
- }
- 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());
- int port = dp.getPort();
- System.out.println(ip+"---"+data+"-----"+port);
- }
- }
- catch (Exception e)
- {
- throw new RuntimeException("接收失败");
- }
- }
- }
- 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();
- }
- }
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