chatframe.java

一个图形界面的网络聊天程序

package nt;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class ChatFrame extends JFrame{
	private Object connProc;
	private JTextArea txtDisplay=new JTextArea(18,20);
	private JTextField txtMessage=new JTextField(20);
	private JButton btnSend=new JButton("发送");
	public ChatFrame(String title,Object endPoint){
		super(title);
		connProc=endPoint;
		Container pane=this.getContentPane();
		pane.setLayout(new BorderLayout());
		pane.add(new JScrollPane(txtDisplay),BorderLayout.NORTH);
		JPanel iPan=new JPanel(new FlowLayout());
		iPan.add(txtMessage);
		iPan.add(btnSend);
		btnSend.addActionListener((ActionListener)connProc);
		pane.add(iPan,BorderLayout.SOUTH);
		txtDisplay.setEditable(false);
		txtMessage.setEditable(false);
		btnSend.setEnabled(false);
		
	}
	public String getMessage(){
		String strMessage=txtMessage.getText();
		txtMessage.setText("");
		return strMessage;
	}
	
	public void displayMessage(String msg){
		txtDisplay.append(msg+"\n");
	}
	
	public void enableComponent(){
	txtMessage.setEditable(true);
	btnSend.setEnabled(true);
	}
}