?? samplepopup.java
字號:
/*
Definitive Guide to Swing for Java 2, Second Edition
By John Zukowski
ISBN: 1-893115-78-X
Publisher: APress
*/
import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.Container;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
public class SamplePopup {
public static void main(String args[]) {
JFrame frame = new JFrame("Sample Popup");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JButton button = new JButton("Ask");
ActionListener actionListener = new ActionListener() {
public void actionPerformed(ActionEvent actionEvent) {
Component source = (Component) actionEvent.getSource();
Object response = JOptionPane.showInputDialog(source,
"Where would you like to go to lunch?",
"Select a Destination", JOptionPane.QUESTION_MESSAGE,
null, new String[] { "Burger King", "McDonalds",
"Pizza Hut", "Taco Bell", "Wendy's" },
"McDonalds");
System.out.println("Response: " + response);
}
};
button.addActionListener(actionListener);
Container contentPane = frame.getContentPane();
contentPane.add(button, BorderLayout.SOUTH);
frame.setSize(300, 200);
frame.setVisible(true);
}
}
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