//ButtonClass类
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.awt.Container;
import java.awt.FlowLayout;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JTextField;
import javax.swing.SwingConstants;
import javax.swing.Box;
import javax.swing.Icon;
import javax.swing.ImageIcon;
public class ButtonClass extends JFrame{
private JButton plainButton,fancyButton;
public ButtonClass() {
super ("JButton的程序设计");
//设置内容方框