tabpane

class TabComponent extends JPanel implements ActionListener {
	  private JTabbedPane pane;

	  public TabComponent(String title, JTabbedPane pane) {
	    this.pane = pane;
	    setOpaque(false);
	    JLabel label = new JLabel(title);
	    JButton button = new JButton("×");
	    button.setPreferredSize(new Dimension(50,30));
	    button.addActionListener(this);
	    add(button);
	    add(label);
	  }

	  public void actionPerformed(ActionEvent e) {
	    int i = pane.indexOfTabComponent(this);
	    if (i != -1)
	      pane.remove(i);
	  }
	}

	public class JDK6TabComponentDemo {
	  public static void main(String[] args) {
	    JTabbedPane pane = new JTabbedPane();
	    String title = "Tab";
	    pane.add(title, new JLabel(title));
	    pane.setTabComponentAt(0, new TabComponent(title, pane));

	    JFrame frame = new JFrame("Tab Component Demo");
	    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
	    frame.add(pane);
	    frame.setSize(500, 200);
	    frame.setVisible(true);
	  }
	}

 见附件