用JTabbedPane实现多选项卡的功能

/*
* TabbedPanel.java
*
* Created on 2009-2-2, 16:16:06
*/
package components;
import java.awt.BorderLayout;
import java.awt.event.KeyEvent;
import java.io.FileNotFoundException;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.JButton;
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JPasswordField;
import javax.swing.JTabbedPane;
import javax.swing.JTextField;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
/**
*
* @author xuan
*/
public class TabbedPanel extends javax.swing.JPanel {
    /** Creates new form TabbedPanel */
    public TabbedPanel() {
        initComponents();
    }
      protected JComponent makeTextPanel(String text,String buttons) {
        JPanel panel = new JPanel(false);
        JLabel filler = new JLabel(text);
        JButton button = new JButton(buttons);
        filler.setHorizontalAlignment(JLabel.CENTER);
//        panel.setLayout(new GridLayout(1, 1));
        panel.add(filler);
        panel.add(button);
        return panel;
    }
      protected JComponent makePanel()
      {
          JPanel panel = new JPanel(false);
          JLabel username = new JLabel("用户名:");
          JTextField text = new JTextField(10);
          username.setHorizontalAlignment(JLabel.LEFT);
          JLabel password = new JLabel("密码：");
          JPasswordField pass = new JPasswordField(10);
          panel.add(username);
          panel.add(text);
          password.setHorizontalAlignment(JLabel.LEFT);
          panel.add(password);
          panel.add(pass);
          return panel;
      }
    private static void createAndShowGUI() throws FileNotFoundException {
        //Create and set up the window.
        JFrame frame = new JFrame("TabbedPane");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        //Add content to the window.
        frame.add(new TabbedPanel(), BorderLayout.CENTER);
        //Display the window.
        frame.pack();
        frame.setVisible(true);
    }
    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">
    private void initComponents() {
        tabbed = new javax.swing.JTabbedPane();
        setName("Form"); // NOI18N
        tabbed.setTabPlacement(javax.swing.JTabbedPane.RIGHT);
        tabbed.setName("tabbed"); // NOI18N
        JComponent panel1 = makeTextPanel("自定义标签1","按钮1");
        tabbed.addTab("选项卡1",panel1);
        tabbed.setMnemonicAt(0,KeyEvent.VK_1);
        JComponent panel2 = makeTextPanel("标签2","按钮1");
        tabbed.addTab("连接设置", makePanel());
        tabbed.setMnemonicAt(1,KeyEvent.VK_2);
        JComponent panel3 = makeTextPanel("标签3","欢迎光临");
        tabbed.addTab("选项卡3", panel3);
        add(tabbed);
        tabbed.setTabLayoutPolicy(JTabbedPane.SCROLL_TAB_LAYOUT);
        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(this);
        this.setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGap(25, 25, 25)
                .addComponent(tabbed, javax.swing.GroupLayout.PREFERRED_SIZE, 335, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap(40, Short.MAX_VALUE))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGap(40, 40, 40)
                .addComponent(tabbed, javax.swing.GroupLayout.PREFERRED_SIZE, 203, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap(57, Short.MAX_VALUE))
        );
    }// </editor-fold>
    public static void main(String[] args) {
        //Schedule a job for the event dispatch thread:
        //creating and showing this application's GUI.
        SwingUtilities.invokeLater(new Runnable() {
            public void run() {
                //Turn off metal's use of bold fonts
        UIManager.put("swing.boldMetal", Boolean.FALSE);
                try {
                    createAndShowGUI();
                } catch (FileNotFoundException ex) {
                    Logger.getLogger(TabbedPanel.class.getName()).log(Level.SEVERE, null, ex);
                }
            }
        });
    }
    // Variables declaration - do not modify
    private javax.swing.JTabbedPane tabbed;
    // End of variables declaration
}
截图如下所示：

使用netbeans6.5编译通过

截图如下所示：