转载- Swing可搭载任意控件的GroupPanel
可以搭载任意控件的grouppanel控件

public class ComponentTitledBorder implements Border, MouseListener, SwingConstants {    int offset = 5;    Component comp;    JComponent container;    Rectangle rect;    Border border;    public ComponentTitledBorder(Component comp, JComponent container, Border border) {        this.comp = comp;        this.container = container;        this.border = border;        container.addMouseListener(this);    }    public boolean isBorderOpaque() {        return true;    }    public void paintBorder(Component c, Graphics g, int x, int y, int width, int height) {        Insets borderInsets = border.getBorderInsets(c);        Insets insets = getBorderInsets(c);        int temp = (insets.top - borderInsets.top) / 2;        border.paintBorder(c, g, x, y + temp, width, height - temp);        Dimension size = comp.getPreferredSize();        rect = new Rectangle(offset, 0, size.width, size.height);        SwingUtilities.paintComponent(g, comp, (Container) c, rect);    }    public Insets getBorderInsets(Component c) {        Dimension size = comp.getPreferredSize();        Insets insets = border.getBorderInsets(c);        insets.top = Math.max(insets.top, size.height);        return insets;    }    private void dispatchEvent(MouseEvent me) {        if (rect != null && rect.contains(me.getX(), me.getY())) {            Point pt = me.getPoint();            pt.translate(-offset, 0);            comp.setBounds(rect);            comp.dispatchEvent(new MouseEvent(comp, me.getID(), me.getWhen(), me.getModifiers(),                    pt.x, pt.y, me.getClickCount(), me.isPopupTrigger(), me.getButton()));            if (!comp.isValid())                container.repaint();        }    }    public void mouseClicked(MouseEvent me) {        dispatchEvent(me);    }    public void mouseEntered(MouseEvent me) {        dispatchEvent(me);    }    public void mouseExited(MouseEvent me) {        dispatchEvent(me);    }    public void mousePressed(MouseEvent me) {        dispatchEvent(me);    }    public void mouseReleased(MouseEvent me) {        dispatchEvent(me);    }}