Java Swing - 如何從Action對(duì)象創(chuàng)建JCheckBox
我們想知道如何從Action對(duì)象創(chuàng)建JCheckBox。
import java.awt.event.ActionEvent;
import javax.swing.AbstractAction;
import javax.swing.Action;
import javax.swing.JCheckBox;
public class Main {
public static void main(String[] argv) throws Exception {
Action action = new AbstractAction("CheckBox Label") {
// called when the button is pressed
public void actionPerformed(ActionEvent evt) {
JCheckBox cb = (JCheckBox) evt.getSource();
// Determine status
boolean isSel = cb.isSelected();
if (isSel) {
// selected
} else {
// deselected
}
}
};
// Create the checkbox from the action
JCheckBox checkBox = new JCheckBox(action);
}
}
【jcheckbox】
