JLabel加载图标

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

public class GenerateBmp extends JFrame {
	
	
	public GenerateBmp(){
		init();
	}
	
	private  void init(){
		JPanel panel=new JPanel();
		setContentPane(panel);
		panel.setLayout(new GridLayout(2,1));

//		ImageIcon icon=createImageIcon("images/middle.gif","picture");
//		ImageIcon icon=createImageIcon("images/aa.gif","picture");
//		ImageIcon icon=createImageIcon("images/images.jpg","picture");
/*在这个方法里加载的bmp图片不显示,至于原因不清楚*/

//		ImageIcon icon=createImageIcon("images/11.bmp","picture");     
 //		ImageIcon icon=createImageIcon("images/e.png","png");
/*通过下面的方法可以加载bmp图片*/
		java.net.URL imgURL = GenerateBmp.class.getResource("images/10.bmp");
		try {
			Image image=javax.imageio.ImageIO.read(imgURL);
			ImageIcon icon= new ImageIcon(image);
	        JLabel label = new JLabel("Image and Text",icon,JLabel.CENTER);
/*确定文字位置*/
	        label.setVerticalTextPosition(JLabel.BOTTOM);
	        label.setHorizontalTextPosition(JLabel.LEFT);
			panel.add(label);
		
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
//        JLabel label = new JLabel("Image and Text",icon,JLabel.CENTER);
//        label.setVerticalTextPosition(JLabel.BOTTOM);
//        label.setHorizontalTextPosition(JLabel.LEFT);
//		  panel.add(label);
		pack();
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		setVisible(true);
		setSize(300,400);
		
}

    /** Returns an ImageIcon, or null if the path was invalid. */
    protected static ImageIcon createImageIcon(String path,
                                               String description) {
        java.net.URL imgURL = GenerateBmp.class.getResource(path);
        if (imgURL != null) {
            return new ImageIcon(imgURL, description);
        } else {
            System.err.println("Couldn't find file: " + path);
            return null;
        }
    }
	public static void main(String[] args){
         new GenerateBmp();
		
	}

}