自己扩展 标题带Radio的TitledBorder
1.首先自己扩展一个TitledBorder ，源码如下：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);}}2.测试运行，测试代码如下public class MyBorder {public static void main(String[] args) { try{ UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName()); } catch(Exception e){ e.printStackTrace(); } final JPanel proxyPanel = new JPanel(); proxyPanel.add(new JLabel("google: ")); proxyPanel.add(new JTextField("www.google.com.hk")); proxyPanel.add(new JLabel("google Port")); proxyPanel.add(new JTextField("8080")); final JCheckBox checkBox = new JCheckBox("测试标题带Checkbox的TitledBorder", true); final JRadioButton radio = new JRadioButton("测试标题带Radio的TitledBorder", true); checkBox.setFocusPainted(false); ComponentTitledBorder componentBorder = new ComponentTitledBorder(radio, proxyPanel , BorderFactory.createEtchedBorder()); checkBox.addActionListener(new ActionListener(){ public void actionPerformed(ActionEvent e){ boolean enable = checkBox.isSelected(); Component comp[] = proxyPanel.getComponents(); for(int i = 0; i<comp.length; i++){ comp[i].setEnabled(enable); } } }); radio.addActionListener(new ActionListener(){ public void actionPerformed(ActionEvent e){ boolean enable = radio.isSelected(); Component comp[] = proxyPanel.getComponents(); for(int i = 0; i<comp.length; i++){ comp[i].setEnabled(enable); } } }); proxyPanel.setBorder(componentBorder); JFrame frame = new JFrame("ComponentTitledBorder - santhosh@in.fiorano.com"); Container contents = frame.getContentPane(); contents.setLayout(new FlowLayout()); contents.add(proxyPanel); frame.pack(); frame.setBounds(200, 200, 400, 400); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setVisible(true); }}效果请看附件