[黑马程序员]chartdemo

来源：互联网发布：洛天依mmd动作数据编辑：程序博客网时间：2024/06/08 06:02
/* * 编写一个聊天程序，有售数据的部分和发数据的部分。 * 这两部分需要同时执行。 * 那就需要多线程技术，一个控制收，一个控制发 *  * 因为接收和发送动作是不一致的，所以要定义两个run方法， * 而且这两个方法要封装到不同的类中。 */package test.itheima;import java.io.*;import java.net.*;class Send implements Runnable {private DatagramSocket ds = null; Send(DatagramSocket ds) {this.ds = ds;}public void run() {BufferedReader bf = null;try {bf = new BufferedReader(new InputStreamReader(System.in));String line = null;while (((line = bf.readLine()) != null)) {if ("over".equals(line))break;byte[] b = line.getBytes();DatagramPacket d = new DatagramPacket(b, b.length,InetAddress.getByName("127.0.0.1"), 10002);ds.send(d);}} catch (IOException e) {e.printStackTrace();ds.close();}}}class Recieve implements Runnable {private DatagramSocket ds = null;Recieve(DatagramSocket ds) {this.ds = ds;}public void run() {DatagramPacket dp = null;byte[] data = new byte[1024];while (true) {try {dp = new DatagramPacket(data, data.length);ds.receive(dp);data = dp.getData();String ip = dp.getAddress().getHostAddress();//byte[] otherip = dp.getAddress().getAddress();int port = dp.getPort();int localport = ds.getLocalPort();System.out.println("Remote:" + ip + "[" + port + "] : "+ (new String(data, 0, data.length)));System.out.println("Locle :" + (new String(ip)) + "[" + localport+ "] : " + (new String(data, 0, data.length)));System.out.println("-------------- new line ----------------");} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}}}}public class ChartDemo {public static void main(String[] args) throws SocketException {DatagramSocket sendSocket = new DatagramSocket();DatagramSocket receiveSocket = new DatagramSocket(10002);new Thread(new Send(sendSocket)).start();new Thread(new Recieve(receiveSocket)).start();}}
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