test.java

《Java2图形设计卷II：Swing》配套光盘源码

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class Test extends JApplet {
	private JButton button = new JButton("show dialog ...");
	private String message = "Please Enter Your Name";

	public Test() {
		Container contentPane = getContentPane();

		contentPane.setLayout(new FlowLayout());
		contentPane.add(button);

		button.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				String s = JOptionPane.showInputDialog(message);

				if(s == null)
					showStatus("cancel button activated");
				else
					showStatus("Name: " + s);
			}
		});
	}
}