如何在Java Spring GUI (JFrame)中将图像设置为背景

import java.awt.Graphics;
import java.awt.Image;
import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JPanel;

class BackgroundPanel extends JPanel {
    private Image background;

    public BackgroundPanel() {
        // 通过ImageIcon类加载并设置背景图像
        background = new ImageIcon("path/to/your/image.jpg").getImage();
    }

    @Override
    public void paintComponent(Graphics g) {
        super.paintComponent(g);
        // 使用Graphics类的drawImage方法将背景绘制在面板上
        g.drawImage(background, 0, 0, getWidth(), getHeight(), this);
    }
}

public class MainFrame extends JFrame {
    public MainFrame() {
        setTitle("Java Spring GUI");
        setSize(800, 600);
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        // 创建自定义的BackgroundPanel，并将其设置为内容面板
        BackgroundPanel backgroundPanel = new BackgroundPanel();
        setContentPane(backgroundPanel);
    }

    public static void main(String[] args) {
        // 创建并显示主窗口
        java.awt.EventQueue.invokeLater(() -> {
            new MainFrame().setVisible(true);
        });
    }
}