//希望对你有帮助
//方法1:
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;public class QuickButton extends JFrame{
int i;
public QuickButton(){
this.addWindowListener(new WindowAdapter() {
public void windowClosed(WindowEvent e) {
System.exit(0);
}
}); JPanel panel = new JPanel();
final JLabel label = new JLabel();
JButton quicka = new JButton("alt-a");
quicka.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
i++;
label.setText("alt-a have been pressed"+"\n"+i+"times");
}
});
panel.add(quicka);
panel.add(label);
quicka.setMnemonic(KeyEvent.VK_A);
setVisible(true);
pack();
getContentPane().add(panel); }
public static void main(String args[]) {
new QuickButton().show();
}
}//方法2:import java.awt.*;
import java.awt.event.*;
import javax.swing.*; public class MnemonicButton extends JButton { public MnemonicButton(String string)
{
super(string);
ActionListener F1Listener = new ActionListener() { public void actionPerformed(ActionEvent evt)
{
System.out.println("F1 key pressed while button focused");
}};
KeyStroke strokeF1 = KeyStroke.getKeyStroke(KeyEvent.VK_F1,0,false);
registerKeyboardAction(F1Listener, strokeF1, JComponent.WHEN_FOCUSED);
} public static void main(String[] args)
{
JFrame frame = new JFrame();
JPanel panel = new JPanel();
JButton jbutton = new JButton("Nothing");
MnemonicButton button = new MnemonicButton("Press F1 here");
panel.add(jbutton);
panel.add(button);
frame.getContentPane().add(panel);
frame.setSize(200,200);
frame.setVisible(true);
}
}
//方法1:
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;public class QuickButton extends JFrame{
int i;
public QuickButton(){
this.addWindowListener(new WindowAdapter() {
public void windowClosed(WindowEvent e) {
System.exit(0);
}
}); JPanel panel = new JPanel();
final JLabel label = new JLabel();
JButton quicka = new JButton("alt-a");
quicka.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
i++;
label.setText("alt-a have been pressed"+"\n"+i+"times");
}
});
panel.add(quicka);
panel.add(label);
quicka.setMnemonic(KeyEvent.VK_A);
setVisible(true);
pack();
getContentPane().add(panel); }
public static void main(String args[]) {
new QuickButton().show();
}
}//方法2:import java.awt.*;
import java.awt.event.*;
import javax.swing.*; public class MnemonicButton extends JButton { public MnemonicButton(String string)
{
super(string);
ActionListener F1Listener = new ActionListener() { public void actionPerformed(ActionEvent evt)
{
System.out.println("F1 key pressed while button focused");
}};
KeyStroke strokeF1 = KeyStroke.getKeyStroke(KeyEvent.VK_F1,0,false);
registerKeyboardAction(F1Listener, strokeF1, JComponent.WHEN_FOCUSED);
} public static void main(String[] args)
{
JFrame frame = new JFrame();
JPanel panel = new JPanel();
JButton jbutton = new JButton("Nothing");
MnemonicButton button = new MnemonicButton("Press F1 here");
panel.add(jbutton);
panel.add(button);
frame.getContentPane().add(panel);
frame.setSize(200,200);
frame.setVisible(true);
}
}
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