userbookframe.java

用java2核心类库写的一个学生课程管理系统

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class UserBookFrame extends JFrame 
{
	
    private JPanel content;

    private JButton okButton;
    private JTextArea test;
    
    
    private static final UserBookFrame UserBook = new UserBookFrame();
    
    
    public static UserBookFrame singleUserBookFrame()
	{
		return UserBook;
	}

    private UserBookFrame()
    {
    	initUserBookFrame();
 
    	ClickActionListener  cal = new ClickActionListener();
    	okButton.addActionListener(cal);
    }
    
	private void initUserBookFrame()
    {
        this.setTitle("用户手册");
    	content = new JPanel();
  
    	test = new JTextArea("在登录界面输入正确的用户名和密码可进入本系统．");
    	test.setBackground(content.getBackground());
    	test.setEditable(false);
        okButton = new JButton("确定");

    	
        
        content.add(test);
        content.add(okButton);

        content.setLayout(new FlowLayout());
        this.add(content);
        this.setSize(300,300);
        this.setVisible(true);
    }	
 
    class ClickActionListener implements ActionListener  
    {    
	   public void actionPerformed(ActionEvent e)
	   	{
	    	if (e.getActionCommand() == "确定")
	    	{

	    	   System.out.println("ddddddddddddddd");
	    	   UserBook.dispose();
	    	  
    	     /*  this.addWindowListener(new WindowAdapter()    
    	       {
    		        public void windowClosing(WindowEvent e)
    		        {
    			        e.getWindow().setVisible(false);
    		
    		        }
    	       });*/
	    	}
	    }
    }
}