这样的棋盘中，如何实现棋盘的格子随鼠标移动而高亮public ChessGameFrame(int width, int height) { setTitle("斗兽棋"); //设置标题 this.WIDTH = width; this.HEIGTH = height; this.ONE_CHESS_SIZE = (HEIGTH * 4 / 5) / 9; setSize(WIDTH, HEIGTH); setLocationRelativeTo(null); // Center the window. setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE); //设置程序关闭按键，如果点击右上方的叉就游戏全部关闭了 setLayout(null); addRestart(); addGiveUp(); addUndo(); addChessboard(); addLabel(); addLoadButton(); addSave(); addAImode(); addAImodeGreedy(); addBackground(); }public CellComponent(Color background, Point location, int size) { setLayout(new GridLayout(1,1)); setLocation(location); setSize(size, size); this.background = background; } @Override protected void paintComponent(Graphics g) { super.paintComponents(g); g.setColor(background); g.fillRect(1, 1, this.getWidth()-1, this.getHeight()-1); } }

您可以在CellComponent中添加鼠标监听器（MouseListener）和鼠标移动监听器（MouseMotionListener），在鼠标进入（mouseEntered）和鼠标移动（mouseMoved）事件触发时设置高亮背景颜色，鼠标离开（mouseExited）时还原颜色。具体实现可以参考以下代码：

public class CellComponent extends JPanel {
    private Color background;
    private Color highlightColor;
    private Point location;
    private int size;
 
    public CellComponent(Color background, Point location, int size) {
        setLayout(new GridLayout(1,1));
        setLocation(location);
        setSize(size, size);
        this.background = background;
        this.highlightColor = new Color(255, 255, 153); // 设置高亮颜色
        addMouseListener(new MouseAdapter() {
            @Override
            public void mouseEntered(MouseEvent e) {
                setBackground(highlightColor);
            }
 
            @Override
            public void mouseExited(MouseEvent e) {
                setBackground(background);
            }
        });
        addMouseMotionListener(new MouseMotionAdapter() {
            @Override
            public void mouseMoved(MouseEvent e) {
                setBackground(highlightColor);
            }
        });
    }
 
    @Override
    protected void paintComponent(Graphics g) {
        super.paintComponent(g);
        g.setColor(background);
        g.fillRect(1, 1, this.getWidth()-1, this.getHeight()-1);
    }
}