?? welcomeapplet.java
字號:
/**
@version 1.21 2002-06-19
@author Cay Horstmann
*/
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.net.*;
public class WelcomeApplet extends JApplet
{
public void init()
{
setLayout(new BorderLayout());
JLabel label = new JLabel(getParameter("greeting"), SwingConstants.CENTER);
label.setFont(new Font("Serif", Font.BOLD, 18));
add(label, BorderLayout.CENTER);
JPanel panel = new JPanel();
JButton cayButton = new JButton("Cay Horstmann");
cayButton.addActionListener(makeURLActionListener(
"http://www.horstmann.com"));
panel.add(cayButton);
JButton garyButton = new JButton("Gary Cornell");
garyButton.addActionListener(makeURLActionListener(
"mailto:gary@thecornells.com"));
panel.add(garyButton);
add(panel, BorderLayout.SOUTH);
}
private ActionListener makeURLActionListener(final String u)
{
return new
ActionListener()
{
public void actionPerformed(ActionEvent event)
{
try
{
getAppletContext().showDocument(new URL(u));
}
catch(MalformedURLException e)
{
e.printStackTrace();
}
}
};
}
}
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