相关疑难解决方法(0)

我试图将相同的jlabel存储图像两次加载到gridlayout面板中,但是不是创建图像的两个实例,而是仅显示一次然后移动图像.

如何将件数组中的相同JLabel位置存储到boardLabels数组中的多个JLabel中.

谢谢 :)

public static JPanel boardPanel = new JPanel(new GridLayout(4, 0));
public static JLabel pieces[] = new JLabel[2];
private static JLabel[] boardLabels = new JLabel[4];

public MainFrame() {
    pieces[0] = new JLabel(new ImageIcon(System.getProperty("user.dir") + "/images/piece1.png"));
    pieces[1] = new JLabel(new ImageIcon(System.getProperty("user.dir") + "/images/piece2.png"));

    this.add(boardPanel);
    displayGUIboard();
}


public static void displayGUIboard() {

    //ERROR - the label in pieces[0] is not copied into both boardLabels [0] and [1]
    boardLabels[0] = pieces[0];
    boardLabels[1] = pieces[0];

    boardPanel.add(boardLabels[0]);
    boardPanel.add(boardLabels[1]);
}

public static void main(String[] …