1 //设计图像图标 2 import javax.swing.*; 3 import java.awt.*; 4 public class TestImageIcon extends JFrame 5 { 6        private ImageIcon icon1 = new ImageIcon("ToolImages/20.gif");//"ToolImages/20.gif"为该project文件夹下的路劲 7        private ImageIcon icon2 = new ImageIcon("ToolImages/21.gif"); 8        private ImageIcon icon3 = new ImageIcon("ToolImages/22.gif"); 9        public TestImageIcon()10        {11            setLayout(new GridLayout(1,3,5,5));12            add(new JButton(icon1));13            add(new JLabel(icon2));14            add(new JButton(icon3));15         }16         public static void main(String[] agrs)17         {18             JFrame frame = new TestImageIcon();19             frame.setTitle("TestImageIcon");20             frame.setLocationRelativeTo(null);21             frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);22             frame.setSize(500,300);23             frame.setVisible(true);24         }25 }