您好我的問題是我不能將按鈕添加動作監聽 我會做出一個菜單 我不知道爲什麼我成爲一個錯誤 這裏的代碼 包拉特;我不能將按鈕添加到的ActionListener
import java.awt.Label;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
public class Main extends JFrame implements ActionListener{
private JButton button;
private JButton eintellungen;
private JButton credits;
private JButton schliessen;
public static void main(String[] args) {
JFrame meinJFrame = new JFrame();
meinJFrame.setTitle("menu");
JPanel panel = new JPanel();
JButton button = new JButton("play");
JButton schliessen = new JButton("schließen");
JButton eintellungen = new JButton("einstellungen");
JButton credits = new JButton("credits");
panel.add(button);
panel.add(schliessen);
panel.add(credits);
panel.add(eintellungen);
credits.addActionListener(this);
meinJFrame.add(panel);
meinJFrame.setSize(500, 500);
meinJFrame.setVisible(true);
}
@Override
public void actionPerformed(ActionEvent e) {
}
}
} 哦,我成爲一個錯誤的錯誤說,在靜態情況下不能使用此,它是由credits.addActionListener(本); 請幫助我
感謝您的幫助 – coolian