chatroomclient.java

j2se实现聊天室linux平台 gcc1.2.2以上编译

import java.net.*;
import java.io.*;
import java.awt.event.*;
import java.awt.*;


public class  ChatRoomClient extends Frame implements Runnable{
           private TextField nameBox=new TextField("<名字>");       
           private TextField sendBox=new TextField();
           private TextArea msgView=new TextArea();
           private Socket socket;
           private BufferedReader reader;
           private PrintWriter writer;   

        public ChatRoomClient(String title){
                super(title);
                msgView.setEditable(false);
                add(nameBox,"North");
                add(msgView,"Center");                          
                add(sendBox,"South");

 sendBox.addActionListener(new ActionListener(){
               public void actionPerformed(ActionEvent ae){
                      try{
                   writer.println(nameBox.getText()+":"+sendBox.getText());
                  sendBox.setText("");
                          }
                      catch(Exception ie){}                      }

                                               });
                     pack();                
                                           }

         public void run(){
            while(true){
                       try{ msgView.append(reader.readLine()+"\n"); }
                       catch(IOException ie){}
                       }
                          }
     
         public void connect(){
                       try{
                           msgView.append("尝试与服务器套接字连接\n");
                           socket=new Socket("127.0.0.1",7777);
                           msgView.append("聊天准备完毕\n");
                        
         reader=new BufferedReader(new InputStreamReader(socket.getInputStream()));
         writer=new PrintWriter(socket.getOutputStream(),true);
                           new Thread(this).start();
                          }
                       catch(Exception e){System.out.println("连接失败！");}
                       
                              }

            public static void main(String[] args){
              ChatRoomClient client=new ChatRoomClient("聊天");
                client.setVisible(true);
                client.connect();
                                            }
}