《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);
							}
						});
					}
				}