java图标 java图标的使用

package StudyGUI;

import javax.swing.*;
import java.awt.*;
import java.net.URL;

public class MyImageIcon extends JFrame{
    public MyImageIcon(){
        JLabel label = new JLabel("图片图标");
        URL url = MyImageIcon.class.getResource("e.jpg");
        //实例化ImageIcon对象
        ImageIcon imageIcon = new ImageIcon(url);
        //为标签设置图片
        label.setIcon(imageIcon);
        label.setHorizontalAlignment(SwingConstants.CENTER);
        Container container = getContentPane();
        container.add(label);
        setVisible(true);
        setBounds(400,400,700,800);
        setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
    }

    public static void main(String[] args) {
        new MyImageIcon();
    }
}