JButton在光标经过和点击的时候都没有反应

Question

光标经过按钮没有反应，点击也没有反应；
（jp1是gp的Panel，jp1放有对战按钮。背景和jp1的组件（对战按钮）先绘制到offScreenImage1上，再绘制到界面（双缓存））
ActionListener也设置了，requireFocus也试过了，究竟是为什么呢？谢谢！

用代码块功能插入代码，请勿粘贴截图

public class Main {
public static void main(String[] args) {
GameFrame gf = new GameFrame();
gf.launch();
}
}
// GameFrame类

import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.ArrayList;

public class GameFrame extends JFrame {
    final int width = 600;
    final int height = 1000;
    int state = 0;//0:initial 1:battle
    int card = 0;
    JPanel jp1 = new JPanel(true);
    //JPanel jp2 = new JPanel(true);
    Image offScreenImage1 = null;
    //Image offScreenImage2 = null;

    ArrayList<GameObject> gameObjects = new ArrayList<>();

    public void launch() {
        setTitle("Clash Royale");
        setSize(width, height);
        setLocationRelativeTo(null);
        setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
        setResizable(false);
        setVisible(true);
        inital();
        //this.addMouseListener();
        //gameObjects.add(new witch(245, 500, "images/witch_NE.png", this));
        //((witch)(gameObjects.get(0))).myThread.start();
        while (true) {
            repaint();
            try {
                Thread.sleep(25);
            }catch (Exception e) {
                e.printStackTrace();
            }
        }
    }
    public void inital() {
        //绘制背景
        offScreenImage1 = this.createImage(width, height);
        Graphics offScreenImage1Graphics = offScreenImage1.getGraphics(); //浅克隆
        offScreenImage1Graphics.setColor(Color.gray);
        offScreenImage1Graphics.fillRect(0, 0, width, height);
        offScreenImage1Graphics.setColor(Color.orange);
        offScreenImage1Graphics.setFont(new Font("微软雅黑", Font.BOLD, 50));
        offScreenImage1Graphics.drawString("Clash Royale", 150, 100);
        //设置ToBattleButton
        Image ToBattleImage = Toolkit.getDefaultToolkit().getImage("images/ToBattleImage.jpg");
        Image ToBattleImage_temp = ToBattleImage.getScaledInstance(200, 100, 1);
        ImageIcon ToBattleButtonIcon = new ImageIcon(ToBattleImage_temp);
        JButton ToBattleButton = new JButton(ToBattleButtonIcon);
        ToBattleButton.setVisible(true);
        ToBattleButton.setBounds(200, 600,200, 100);
        ActionListener_ToBattle actionListener_toBattle = new ActionListener_ToBattle();
        ToBattleButton.addActionListener(actionListener_toBattle);
        //
        jp1.setOpaque(false);
        jp1.add(ToBattleButton, BorderLayout.CENTER);
        this.add(jp1);
        jp1.paintComponents(offScreenImage1Graphics);

    }
    @Override
    public void paint(Graphics g) {
        if (state==0) {
            g.drawImage(offScreenImage1, 0, 0, null);
        }
    }

    public class ActionListener_ToBattle implements ActionListener {
        @Override
        public void actionPerformed(ActionEvent e) {
            state = 1;
            System.out.println(1);//用来检测点击功能
        }
    }
}

运行结果

运行结果是光标经过对战按钮没有反应，点击也没有输出1；

Answer 1

参考一下

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