java如何设置快捷键,按enter便执行
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// 回答完毕,采纳即可 import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.KeyEvent; import java.io.IOException; import javax.swing.JButton; import javax.swing.JComponent; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.JTextField; import javax.swing.KeyStroke; public class YuGiOh extends JFrame { private static final long serialVersionUID = 一L; private static final int WIDTH = 三00; private static final int HEIGHT = 漆0; public YuGiOh() { setTitle("登陆"); setSize(WIDTH, HEIGHT); setResizable(false); setAlwaysOnTop(true); setLocationRelativeTo(null); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); } private YuGiOh addComponents() { JPanel panel = new JPanel(); JTextField txt = new JTextField(一三); JButton login = new JButton("登陆"); JButton register = new JButton("注册"); login.registerKeyboardAction(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { System.out.println("login"); } }, KeyStroke.getKeyStroke(KeyEvent.VK_ENTER, 0), JComponent.WHEN_IN_FOCUSED_WINDOW); panel.add(txt); panel.add(login); panel.add(register); add(panel); return this; } public static void main(String[] args) throws IOException { new YuGiOh().addComponents().setVisible(true); }
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