在JFrame背景颜色后面的图像

Question

import java.awt.Color;
import java.awt.FlowLayout;
import java.awt.event.*;

import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;

public class Character {

    private JFrame characterWindow;

    private JPanel allPanels, imagePanelHero, imagePanelVillain;

    private JButton HeroBtn, VillainBtn;

    private JLabel textLabel, heroTextLabel, villainTextLabel, imageLabel;

    public Character()

    {
        allPanels = new JPanel();
        allPanels.setLayout(null);
        allPanels.setBackground(new Color(255,255,255));

        imagePanelHero = new JPanel();
        imagePanelHero.setBackground(Color.BLACK);
        imagePanelHero.setBounds(205,150,300,300);
        ImageIcon pic1 = new ImageIcon("src/superman1.jpg");
        imagePanelHero.add(new JLabel(pic1));
        this.add(imagePanelHero);
        this.pack();
        this.setVisible(true);

        allPanels.add(imagePanelHero);

        imagePanelVillain = new JPanel();
        imagePanelVillain.setBackground(Color.BLACK);
        imagePanelVillain.setBounds(790,150,300,300);
        allPanels.add(imagePanelVillain);
        ImageIcon pic2 = new ImageIcon("src/Lex1.jpg");
        imagePanelVillain.add(new JLabel(pic2));
        this.pack();
        this.setVisible(true);

        textLabel = new JLabel("Pick: Hero or Villain? ", JLabel.CENTER);
        textLabel.setBounds(20,40,1280,30);
        allPanels.add(textLabel);

        HeroBtn = new JButton("Hero");
        HeroBtn.setBounds(300,485,100,50);
        HeroBtn.setBackground(Color.BLUE);
        HeroBtn.setForeground(Color.WHITE);

        heroTextLabel = new JLabel("Fight for the side of Good and save the people of the world. ", JLabel.CENTER);
        heroTextLabel.setBounds(0,575,715,30);
        allPanels.add(heroTextLabel);

        VillainBtn = new JButton("Villain");
        VillainBtn.setBounds(890,485,100,50);
        VillainBtn.setBackground(Color.BLUE);
        VillainBtn.setForeground(Color.WHITE);

        villainTextLabel = new JLabel("Fight for evil and chaos creating mayhem wherever you go.? ", JLabel.CENTER);
        villainTextLabel.setBounds(100,575,1705,30);
        allPanels.add(villainTextLabel);

        allPanels.add(HeroBtn);
        allPanels.add(VillainBtn);



        HeroBtn.addActionListener(new ActionListener()
        {
            public void actionPerformed (ActionEvent event)
            {
                callHero();
            }
        });

        VillainBtn.addActionListener(new ActionListener()
        {
            public void actionPerformed (ActionEvent event)
            {
                callVillain();
            }
        });

        characterWindow = new JFrame();
        characterWindow.setTitle("Hero or Villain?");
        characterWindow.setSize(1280, 720);
        characterWindow.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        characterWindow.setVisible(true);
        characterWindow.add(allPanels);
        characterWindow.setResizable(true);
        characterWindow.setLocationRelativeTo (null);
        ImageIcon pic3 = new ImageIcon("src/Metropolis.jpg");
        characterWindow.add(new JLabel(pic3));
        this.pack();
        this.setVisible(true);

    }   

    private void setVisible(boolean b) {
        // TODO Auto-generated method stub
    }

    private void pack() {
        // TODO Auto-generated method stub
    }

    private void add(JPanel imagePanelHero2) {
        // TODO Auto-generated method stub
    }

    protected void callHero() {
        // TODO Auto-generated method stub  
    }

    protected void callVillain() {
        // TODO Auto-generated method stub
    }

    public static void main (String args [])
    {
        Character character = new Character();
    }


}

我正在尝试创建一个具有城市背景图像的JFrame，但是当我运行我的程序时，jframe上的背景颜色出现在图像的前面，图像正在显示，因为当我调整窗口大小时，我可以看到背景颜色背后的图像边缘，是否有人有任何简单的想法如何解决这个问题，即使背景颜色透明或移动图像前面的颜色，我是一个初学者与代码所以我不确定在某些方面，这就是为什么一个简单的答案将不胜感激。