本文實例講述了Java基于socket實現(xiàn)簡易聊天室的方法。分享給大家供大家參考。具體實現(xiàn)方法如下：
chatroomdemo.java
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package com.socket.demo; import java.io.IOException; import java.net.DatagramSocket; public class ChatRoomDemo { /** * @param args * @throws IOException */ public static void main(String[] args) throws IOException { System.out.println("----進入聊天室----"); DatagramSocket send = new DatagramSocket(); DatagramSocket rece = new DatagramSocket(10001); new Thread(new SendDemo(send)).start();// 啟動發(fā)送端線程 new Thread(new ReceiveDemo(rece)).start();// 啟動接收端線程 } } |
SendDemo.java
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package com.socket.demo; import java.io.BufferedReader; import java.io.InputStreamReader; import java.net.DatagramPacket; import java.net.DatagramSocket; import java.net.InetAddress; public class SendDemo implements Runnable { private DatagramSocket ds; // 有參數(shù)構(gòu)造函數(shù) public SendDemo(DatagramSocket ds) { this.ds = ds; } @Override public void run() { try { BufferedReader bufr = new BufferedReader(new InputStreamReader( System.in)); String line = null; while ((line = bufr.readLine()) != null) { byte[] buf = line.getBytes(); /* * //192.168.1.255是ip段廣播地址，發(fā)給這個IP的信息， * 在192.168.1.1-192.168.1.255的ip段的所有IP地址都能收到消息 */ DatagramPacket dp = new DatagramPacket(buf, buf.length,InetAddress.getByName("192.168.1.255"), 10001); ds.send(dp); if ("886".equals(line)) break; } ds.close(); } catch (Exception e) { } } } |
ReceiveDemo.java
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package com.socket.demo; import java.net.DatagramPacket; import java.net.DatagramSocket; public class ReceiveDemo implements Runnable { private DatagramSocket ds; public ReceiveDemo(DatagramSocket ds) { this.ds = ds; } @Override public void run() { try { while (true) { // 2,創(chuàng)建數(shù)據(jù)包。 byte[] buf = new byte[1024]; DatagramPacket dp = new DatagramPacket(buf, buf.length); // 3,使用接收方法將數(shù)據(jù)存儲到數(shù)據(jù)包中。 ds.receive(dp);// 阻塞式的。 // 4，通過數(shù)據(jù)包對象的方法，解析其中的數(shù)據(jù),比如，地址，端口，數(shù)據(jù)內(nèi)容。 String ip = dp.getAddress().getHostAddress(); int port = dp.getPort(); System.out.println("----port-----" + port); String text = new String(dp.getData(), 0, dp.getLength()); System.out.println(ip + "::" + text); if (text.equals("886")) { System.out.println(ip + "....退出聊天室"); } } } catch (Exception e) { } } } |
運行效果圖如下：
希望本文所述對大家的java程序設(shè)計有所幫助。
