装饰Jbutton

import javax.swing.Icon;import javax.swing.ImageIcon;import javax.swing.JButton;import javax.swing.JFrame;public class jbutton extends JFrame{public jbutton(){this.setBounds(100, 100, 150, 150);this.setVisible(true);this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);Icon icon=new ImageIcon("add.gif");JButton button=new JButton(icon);this.getContentPane().add(button);}public static void main(String arps[]){new jbutton();}}/* * 1 Icon icon=new ImageIcon("add.gif");貌似只有gif可以 * 2 在工程下面必须有一个gif文件 */