1
사용자가 키보드의 enter
버튼을 누르면, ok
버튼을 클릭 할 때처럼 프로그램이 작동해야합니다.JFrame의 keyListener가 반응하지 않음
내 코드 :
이제public class T3 extends JFrame implements ActionListener {
JButton okBtn;
public T3() {
this.setFocusable(true);
this.addKeyListener(new KeyListener() {
@Override
public void keyTyped(KeyEvent e) {
// if enter button is pressed in keyboard, then show "Enter Button pressed" message
}
@Override
public void keyPressed(KeyEvent e) {
// if enter button is pressed in keyboard, then show "Enter Button pressed" message
}
@Override
public void keyReleased(KeyEvent e) {
//To change body of implemented methods use File | Settings | File Templates.
}
});
add(createForm(), BorderLayout.NORTH);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setSize(400, 500);
setVisible(true);
}
public static void main(String[] args) {
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
new T3();
}
});
}
public JPanel createForm() {
JPanel panel = new JPanel();
okBtn = new JButton("Ok");
okBtn.addActionListener(this);
panel.add(okBtn);
return panel;
}
@Override
public void actionPerformed(ActionEvent e) {
if (e.getSource() == okBtn) {
System.out.println("Enter Button pressed");
}
}
}
, 반응하지!
은 [자바 (http://docs.oracle.com/javase/tutorial/uiswing/misc/keybinding.html) – nachokk
가능한 중복 [키 바인딩]에 봐 :이 SO 질문을 확인 JFrame의 KeyListener가 응답하지 않습니까?] (http://stackoverflow.com/questions/286727/java-keylistener-for-jframe-is-being-unresponsive) –