所以在我的程序中按鈕不起作用。我有它在哪裏,如果他們按下,他們改變一些變量,從而改變文本的標籤。就在我可以告訴變量不會添加按鈕時按下。我無法弄清楚什麼是錯的,但後來我又是新來的Java等等...Java按鈕不起作用
反正這裏是我的代碼:
import javax.swing.JApplet;
import javax.swing.JButton;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import javax.swing.JProgressBar;
import javax.swing.JFormattedTextField;
import javax.swing.JTextField;
import javax.swing.JLabel;
import javax.swing.SwingConstants;
public class qa extends JApplet {
int y=0;
int x=0;
int q=0;
/**
* Create the applet.
*/
public qa() {
getContentPane().setLayout(null);
JButton btnYes = new JButton("YES");
btnYes.addMouseListener(new MouseAdapter() {
@Override
public void mouseClicked(MouseEvent arg0) {
y+=1;
q+=1;
}
});
btnYes.setBounds(135, 220, 85, 42);
getContentPane().add(btnYes);
JButton btnNo = new JButton("NO");
btnNo.addMouseListener(new MouseAdapter() {
@Override
public void mouseClicked(MouseEvent e) {
x+=1;
q+=1;
}
});
btnNo.setBounds(230, 220, 85, 42);
getContentPane().add(btnNo);
JLabel lblNewLabel = new JLabel("Do you like pizza?");
lblNewLabel.setHorizontalAlignment(SwingConstants.CENTER);
lblNewLabel.setBounds(0, 97, 450, 50);
getContentPane().add(lblNewLabel);
if (q>=1)
{
lblNewLabel.setText("Really?");
}
}
}
感謝您的幫助!
定義 「不工作」。 – 2013-05-13 18:57:59
setVisible(true) – arynaq 2013-05-13 18:59:54
對不起,我的意思是當我按下按鈕時,它不會給變量y和q和x加1。與按鈕一樣,甚至不會註冊點擊 – GiantDwarf 2013-05-13 19:00:47