java,程序编写

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

public class ChatClient extends Frame { 
Socket s = null; 
DataOutputStream dos = null; 
DataInputStream dis = null; 
private boolean bConnected = false; 

TextField tfTxt = new TextField(); 

TextArea taContent = new TextArea(); 

Thread tRecv = new Thread(new RecvThread()); 

public static void main(String[] args) { 
new ChatClient().launchFrame(); 
} 

public void launchFrame() { 
setLocation(400, 300); 
this.setSize(300, 300); 
add(tfTxt, BorderLayout.SOUTH); 
add(taContent, BorderLayout.NORTH); 
pack(); 
this.addWindowListener(new WindowAdapter() { 

@Override 
public void windowClosing(WindowEvent arg0) { 
disconnect(); 
System.exit(0); 
} 

}); 
tfTxt.addActionListener(new TFListener()); 
setVisible(true); 
connect(); 

tRecv.start(); 
} 

public void connect() { 
try { 
s = new Socket("127.0.0.1", 8888); 
dos = new DataOutputStream(s.getOutputStream()); 
dis = new DataInputStream(s.getInputStream()); 
System.out.println("connected!"); 
bConnected = true; 
} catch (UnknownHostException e) { 
e.printStackTrace(); 
} catch (IOException e) { 
e.printStackTrace(); 
} 

} 

public void disconnect() {