我已经查看了我的代码一段时间，但找不到我的按钮不起作用的原因。单击时我的“startButton”可以工作，但我的“helpButton”不会。当我单击按钮时，它不会运行 println 代码。任何帮助将不胜感激。
public class test extends JFrame{
private JLabel label;
private JButton button;
private ImageIcon bgi;
private JLabel bgl;
public static Rectangle gameSquare;
private JButton startButton;
private JButton helpButton;
private final Action action = new SwingAction();
public static void main(String[] args) throws MalformedURLException, IOException {
test gui = new test ();
gui.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); // when click x close program
gui.setSize(902, 305);
gui.setVisible(true);
gui.setTitle("Solid Cloud Inc - Twitter Unfolower");
}
public test() throws MalformedURLException, IOException{
bgi = new ImageIcon(getClass().getResource("tu.png"));
getContentPane().setLayout(null);
BufferedImage img = ImageIO.read(new URL("http://i1344.photobucket.com/albums/p656/SolidCloudInc/start_zpsf3781681.png"));
//ImageIcon start = new ImageIcon(getClass().getResource("start.png"));
startButton = new JButton("");
startButton.setIcon(new ImageIcon(img));
startButton.setBounds(22, 186, 114, 50);
getContentPane().add(startButton);
BufferedImage img2 = ImageIO.read(new URL("http://i1344.photobucket.com/albums/p656/SolidCloudInc/help_zpsc4fad867.png"));
final JButton helpButton = new JButton("");
helpButton.setIcon(new ImageIcon(img2));
helpButton.setBounds(192, 186, 114, 50);
getContentPane().add(helpButton);
bgl = new JLabel (bgi);
bgl.setBounds(0, 0, 886, 272);
getContentPane().add(bgl);
Events e = new Events();
startButton.addActionListener(e);
helpButton.addActionListener(e);
}
public class Events implements ActionListener {
public void actionPerformed(ActionEvent e) {
if (e.getSource() == startButton) {
label.setText("Searching");
try {
Unfollow();
} catch (InterruptedException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
}
else if (e.getSource() == helpButton){
System.out.println("gottem");
}
}
}