Java - 具有显示箭头的按钮

Question

我希望在 Java 中有一个显示箭头的按钮 - 就像在键盘上一样。到目前为止我有这个

JButton arrowUp = new JButton("^");
JButton arrowDown = new JButton("v");
JButton arrowLeft = new JButton("<");
JButton arrowRight = new JButton(">");

它有点管用......但看起来不太好。

感谢任何帮助如何改进这一点

Answer 1

Swing 有一个默认的箭头按钮类，即 BasicArrowButton

例子:

    JFrame frame = new JFrame("Arrow Button Demo");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setLayout(new BorderLayout());
    frame.add(new BasicArrowButton(BasicArrowButton.EAST), BorderLayout.EAST);
    frame.add(new BasicArrowButton(BasicArrowButton.NORTH), BorderLayout.NORTH);
    frame.add(new BasicArrowButton(BasicArrowButton.SOUTH), BorderLayout.SOUTH);
    frame.add(new BasicArrowButton(BasicArrowButton.WEST), BorderLayout.WEST);
    frame.pack();
    frame.setVisible(true);