socket聊天功能

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package chatSocket;import java.io.IOException;import java.io.InputStream;import java.io.OutputStream;import java.net.ServerSocket;import java.net.Socket;public class ServerDemo {public static void main(String arg[]) throws IOException{ServerDemo server =new ServerDemo();server.start();}public void start() throws IOException{ServerSocket ss =new ServerSocket(8899);System.out.println("等待用户连接。。。");Socket s=ss.accept();System.out.println("客户连接成功:"+s.getInetAddress());InputStream in=s.getInputStream();OutputStream out =s.getOutputStream();new Reader(out).start();new Writer(in).start();}}

package chatSocket;import java.io.IOException;import java.io.InputStream;import java.io.OutputStream;import java.net.Socket;public class ClientDemo {public static void main(String args[]) throws IOException{ClientDemo client=new ClientDemo();client.open();}public void open() throws IOException{Socket s =new Socket("localhost",8899);InputStream in=s.getInputStream();OutputStream out =s.getOutputStream();new Reader(out).start();new Writer(in).start();}}

package chatSocket;import java.io.IOException;import java.io.OutputStream;import java.util.Scanner;public class Reader  extends Thread{OutputStream out;public Reader(OutputStream out){this.out=out;setDaemon(true);//添加守护进程，一旦前台线程结束，加载程序运行完毕}public void run(){Scanner s=new Scanner(System.in);try{while(true){String str=s.nextLine();out.write(str.getBytes());out.write('\n');out.flush();}}catch(IOException e){e.printStackTrace();}}}

<pre name="code" class="java">package chatSocket;import java.io.InputStream;public class Writer extends Thread{InputStream in;public Writer(InputStream in){this.in=in;}public void run(){try{int b;while((b=in.read())!=-1){System.out.write(b);//输出字符流}}catch(Exception e){e.printStackTrace();}}}

然后先启动serverDemo再启动 clientDemo

在console中输入

手打辛苦，骚年看到这里，看你骨骼精奇，气吐非凡，下面有个‘顶’字，你就顶了吧！

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