未使用mouseMoved()调用PaintComponent()方法

import javax.swing.*;
import java.awt.*;
import java.awt.event.MouseEvent;
import java.awt.event.MouseMotionAdapter;

public class MyPanel extends JPanel {
    private int mouseX;
    private int mouseY;

    public MyPanel() {
        addMouseMotionListener(new MouseMotionAdapter() {
            @Override
            public void mouseMoved(MouseEvent e) {
                mouseX = e.getX();
                mouseY = e.getY();
                repaint(); // 调用repaint()方法触发重绘
            }
        });
    }

    @Override
    protected void paintComponent(Graphics g) {
        super.paintComponent(g);
        // 绘制组件的逻辑代码
        g.drawString("Mouse X: " + mouseX, 10, 20);
        g.drawString("Mouse Y: " + mouseY, 10, 40);
    }

    public static void main(String[] args) {
        JFrame frame = new JFrame("Mouse Moved Example");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setSize(300, 200);
        frame.add(new MyPanel());
        frame.setVisible(true);
    }
}