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這篇文章主要為大家展示了“java如何實(shí)現(xiàn)UDP雙人交互”,內(nèi)容簡(jiǎn)而易懂,條理清晰,希望能夠幫助大家解決疑惑,下面讓小編帶領(lǐng)大家一起研究并學(xué)習(xí)一下“java如何實(shí)現(xiàn)UDP雙人交互”這篇文章吧。
發(fā)送端
public class my implements Runnable { private DatagramSocket client ; private BufferedReader reader; private String toip; //對(duì)方的ip private int toport; //對(duì)方的端口 public my(int port,String toip,int toport) { try { client=new DatagramSocket(port); reader=new BufferedReader(new InputStreamReader(System.in)); this.toip=toip; this.toport=toport; } catch (SocketException e) { e.printStackTrace(); } } public void run() { while(true) { String s; try { s = reader.readLine(); byte[] datas=s.getBytes(); DatagramPacket packet=new DatagramPacket(datas,0,datas.length,new InetSocketAddress(this.toip,this.toport)); client.send(packet); if(s.equals("bye")) { break; } } catch (IOException e) { e.printStackTrace(); } } client.close(); } }
接收端:使用面向?qū)ο蠓庋b
public class you implements Runnable{ private DatagramSocket server; private int port; private String from; public you(int port,String from) { this.port=port; this.from=from; try { server=new DatagramSocket(port); } catch (SocketException e) { e.printStackTrace(); } } public void run() { while(true) { byte[] container=new byte[1024*60]; DatagramPacket packet=new DatagramPacket(container,0,container.length); try { server.receive(packet); byte[] datas=packet.getData(); int len=packet.getLength(); String data=new String(datas,0,datas.length); System.out.println(from+":"+data); if(data.equals("bye")) { break; } } catch (IOException e) { e.printStackTrace(); } } server.close(); } }
加入多線程實(shí)現(xiàn)雙向交流
public class student { public static void main(String[]args) { new Thread(new my(9999,"localhost",8888)).start();//發(fā)送 new Thread(new you(7777,"teacher")).start(); //接收 } } public class teacher { public static void main(String[]args) { new Thread(new you(8888,"student")).start();//接收 new Thread(new my(5555,"localhost",7777) ).start();//發(fā)送 } }
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