是否可以知道jTextField中JAVA NetBeans中按下了哪个键? 此外,当按下回车键或esc键时,停止检测它。
感谢您的帮助!
答案 0 :(得分:2)
当然有可能。尝试这样的事情:
KeyListener keyListener = new KeyListener() {
@Override
public void keyTyped(KeyEvent e) {
// TODO Auto-generated method stub
}
@Override
public void keyReleased(KeyEvent e) {
// TODO Auto-generated method stub
}
@Override
public void keyPressed(KeyEvent e) {
// TODO Auto-generated method stub
int keyCode = e.getKeyCode();
char keyChar = e.getKeyChar();
System.out.println("Code: "+keyCode+" , "+"Char: "+keyChar);
if (keyCode == KeyEvent.VK_ENTER) {
System.out.println("Enter pressed");
//do whatever you want here
}else if (keyCode == KeyEvent.VK_ESCAPE) {
System.out.println("Esc pressed");
//do whatever you want here
}
}
};
this.textField.addKeyListener(keyListener);