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How to add hyperlink in JLabel

2018-08-14 02:17 399 查看

You can do this using a 

JLabel
, but an alternative would be to style a 
JButton
. That way, you don't have to worry about accessibility and can just fire events using an 
ActionListener
.

public static void main(String[] args) throws URISyntaxException {
final URI uri = new URI("http://java.sun.com");
class OpenUrlAction implements ActionListener {
@Override public void actionPerformed(ActionEvent e) {
open(uri);
}
}
JFrame frame = new JFrame("Links");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setSize(100, 400);
Container container = frame.getContentPane();
container.setLayout(new GridBagLayout());
JButton button = new JButton();
button.setText("<HTML>Click the <FONT color=\"#000099\"><U>link</U></FONT>"
+ " to go to the Java website.</HTML>");
button.setHorizontalAlignment(SwingConstants.LEFT);
button.setBorderPainted(false);
button.setOpaque(false);
button.setBackground(Color.WHITE);
button.setToolTipText(uri.toString());
button.addActionListener(new OpenUrlAction());
container.add(button);
frame.setVisible(true);
}

private static void open(URI uri) {
if (Desktop.isDesktopSupported()) {
try {
Desktop.getDesktop().browse(uri);
} catch (IOException e) { /* TODO: error handling */ }
} else { /* TODO: error handling */ }
}
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