如何检查KeyListener输入?
答
下面是如何做到这一点的代码实例:
TextField field = new TextField();
field.addKeyListener(new KeyListener() {
public void keyTyped(KeyEvent e) {
final char aChar = e.getKeyChar();
if (aChar == '+') {
System.out.println("+ was typed");
}
if (aChar == '-') {
System.out.println("- was typed");
}
}
public void keyPressed(KeyEvent e) {
}
public void keyReleased(KeyEvent e) {
}
});
您使用什么语言? – Zevan 2010-12-02 16:49:38