爪哇國際象棋廣場圖片

Question

我之前問過這個問題，沒有得到答案。

我目前正在用Java設計一個棋盤，並取得了一些成功。我需要從我的電腦上爲棋盤上的每個方塊添加一個背景圖像，我目前正在寫這些圖像以在藍色和白色之間切換。

我會在我的代碼中添加什麼來改變它？

我的代碼：

import java.awt.*; 
import java.awt.event.*; 
import java.util.*; 
import javax.swing.*; 

public class chessboard extends JFrame implements MouseListener, MouseMotionListener 
{ 
JLayeredPane layeredPane; 
JPanel chessBoard; 
JLabel chessPiece; 
int xAdjustment; 
int yAdjustment; 

public chessboard(){ 
Dimension boardSize = new Dimension(600, 600); 
// Use a Layered Pane for this this application 
layeredPane = new JLayeredPane(); 
getContentPane().add(layeredPane); 
layeredPane.setPreferredSize(boardSize); 
layeredPane.addMouseListener(this); 
layeredPane.addMouseMotionListener(this); 
//Add a chess board to the Layered Pane 
chessBoard = new JPanel(); 
layeredPane.add(chessBoard, JLayeredPane.DEFAULT_LAYER); 
chessBoard.setLayout(new GridLayout(8, 8)); 
chessBoard.setPreferredSize(boardSize); 
chessBoard.setBounds(0, 0, boardSize.width, boardSize.height); 

for (int i = 0; i < 64; i++) { 
JPanel square = new JPanel(new BorderLayout()); 
chessBoard.add(square); 

int row = (i/8) % 2; 
if (row == 0) 
square.setBackground(i % 2 == 0 ? Color.blue : Color.white); 
else 
square.setBackground(i % 2 == 0 ? Color.white : Color.blue); 
} 
JLabel piece = new JLabel(new ImageIcon("/Users/Downloads/pieces/Rook.jpg")); 
JPanel panel = (JPanel)chessBoard.getComponent(0); 
panel.add(piece); 
piece = new JLabel(new ImageIcon("/Users/Downloads/pieces/Knight.jpg")); 
panel = (JPanel)chessBoard.getComponent(1); 
panel.add(piece); 
piece = new JLabel(new ImageIcon("/Users/Downloads/pieces/King.jpg")); 
panel = (JPanel)chessBoard.getComponent(2); 
panel.add(piece); 
piece = new JLabel(new ImageIcon("/Users/Downloads/pieces/Queen.jpg")); 
panel = (JPanel)chessBoard.getComponent(3); 
panel.add(piece); 
piece = new JLabel(new ImageIcon("/Users/Downloads/pieces/Bishop.jpg")); 
panel = (JPanel)chessBoard.getComponent(4); 
panel.add(piece); 
piece = new JLabel(new ImageIcon("/Users/Downloads/pieces/Knight.jpg")); 
panel = (JPanel)chessBoard.getComponent(5); 
panel.add(piece); 
piece = new JLabel(new ImageIcon("/Users/Downloads/pieces/Bishop.jpg")); 
panel =(JPanel)chessBoard.getComponent(6); 
panel.add(piece); 
piece = new JLabel(new ImageIcon("/Users/Downloads/pieces/Rook.jpg")); 
panel =(JPanel)chessBoard.getComponent(7); 
panel.add(piece); 
piece = new JLabel(new ImageIcon("/Users/Downloads/pieces/Pawn.jpg")); 
panel =(JPanel)chessBoard.getComponent(9); 
panel.add(piece); 
piece = new JLabel(new ImageIcon("/Users/Downloads/pieces/Pawn.jpg")); 
panel =(JPanel)chessBoard.getComponent(10); 
panel.add(piece); 
piece = new JLabel(new ImageIcon("/Users/Downloads/pieces/Pawn.jpg")); 
panel =(JPanel)chessBoard.getComponent(11); 
panel.add(piece); 
piece = new JLabel(new ImageIcon("/Users/Downloads/pieces/Pawn.jpg")); 
panel =(JPanel)chessBoard.getComponent(12); 
panel.add(piece); 
piece = new JLabel(new ImageIcon("/Users/Downloads/pieces/Pawn.jpg")); 
panel =(JPanel)chessBoard.getComponent(13); 
panel.add(piece); 
piece = new JLabel(new ImageIcon("/Users/Downloads/pieces/Pawn.jpg")); 
panel =(JPanel)chessBoard.getComponent(14); 
panel.add(piece); 
piece = new JLabel(new ImageIcon("/Users/Downloads/pieces/Pawn.jpg")); 
panel =(JPanel)chessBoard.getComponent(15); 
panel.add(piece); 
piece = new JLabel(new ImageIcon("/Users/Downloads/pieces/Pawn.jpg")); 
panel =(JPanel)chessBoard.getComponent(8); 
panel.add(piece); 
} 
public void mousePressed(MouseEvent e){ 
chessPiece = null; 
Component c = chessBoard.findComponentAt(e.getX(), e.getY()); 

if (c instanceof JPanel) 
return; 

Point parentLocation = c.getParent().getLocation(); 
xAdjustment = parentLocation.x - e.getX(); 
yAdjustment = parentLocation.y - e.getY(); 
chessPiece = (JLabel)c; 
chessPiece.setLocation(e.getX() + xAdjustment, e.getY() + yAdjustment); 
chessPiece.setSize(chessPiece.getWidth(), chessPiece.getHeight()); 
layeredPane.add(chessPiece, JLayeredPane.DRAG_LAYER); 
} 
//Move the chess piece around 
public void mouseDragged(MouseEvent me) { 
if (chessPiece == null) return; 
c hessPiece.setLocation(me.getX() + xAdjustment, me.getY() + yAdjustment); 
} 
    public void mouseReleased(MouseEvent e) { 
    if(chessPiece == null) return; 

    chessPiece.setVisible(false); 
    Component c = chessBoard.findComponentAt(e.getX(), e.getY()); 

    if (c instanceof JLabel){ 
    Container parent = c.getParent(); 
    parent.remove(0); 
    parent.add(chessPiece); 
    } 
    else { 
    Container parent = (Container)c; 
    parent.add(chessPiece); 
    } 

    chessPiece.setVisible(true); 
    } 

    public void mouseClicked(MouseEvent e) { 

    } 
    public void mouseMoved(MouseEvent e) { 
} 
    public void mouseEntered(MouseEvent e){ 

    } 
    public void mouseExited(MouseEvent e) { 

    } 

    public static void main(String[] args) { 
    JFrame frame = new chessboard(); 
    frame.setDefaultCloseOperation(DISPOSE_ON_CLOSE); 
    frame.pack(); 
    frame.setResizable(true); 
    frame.setLocationRelativeTo(null); 
    frame.setVisible(true); 
} 
} 

Answer 1

對於每平方，你要的圖像設置爲JPanel的，而不是僅僅改變顏色。 How to add an image to a JPanel?