Question

我正在尝试创建一个简单的GUI，向用户询问一系列问题，然后将其响应存储在以后进行分配。我已经确定我的错误在我的方法中基本上执行简单的7个问题。我已将7个问题添加到ArrayList中，为我的答案创建了一个空的ArrayList，但是当我运行该方法时，它唯一显示的是最后一个问题的文本。

显然是一个Java菜鸟，但是100％的GUI / swing / AWT菜鸟，真的觉得我不知道我在做什么，所以任何人都愿意提出的任何时间或努力都是为了教育我非常感谢，我提前感谢你!!

public class ORMRiskCalculator extends JFrame{

private JButton yesButton, noButton, exitButton, enterButton;
private JLabel message;
private JTextField textField;
private JFrame frmOrmRiskCalculator;
private final ButtonGroup buttonGroup = new ButtonGroup();
//int's needed to create a personnel Risk


private ArrayList<String> questions = new ArrayList<String>();
private ArrayList<Integer> responses = new ArrayList<Integer>();

/**
 * Launch the application.
 */
public static void main(String[] args) {

    EventQueue.invokeLater(new Runnable() {
        public void run() {
            try {
                ORMRiskCalculator window = new ORMRiskCalculator();
                window.frmOrmRiskCalculator.setVisible(true);
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    });
}

/**
 * Create the application.
 */
public ORMRiskCalculator() {
    setupQuestions();
    initialize();
}

/**
 * Initialize the contents of the frame.
 */
private void initialize() {
    frmOrmRiskCalculator = new JFrame();
    frmOrmRiskCalculator.getContentPane().setBackground(new Color(0, 102, 153));
    frmOrmRiskCalculator.setTitle("ORM Risk Calculator");
    frmOrmRiskCalculator.setBounds(100, 100, 650, 500);
    frmOrmRiskCalculator.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frmOrmRiskCalculator.getContentPane().setLayout(null);

    message = new JLabel("Create a new ORM Report?");
    message.setVerticalAlignment(SwingConstants.CENTER);
    message.setHorizontalAlignment(SwingConstants.CENTER);
    message.setFont(new Font("Tahoma", Font.BOLD, 20));
    message.setBounds(10, 10, 614, 109);
    frmOrmRiskCalculator.getContentPane().add(message);


    yesButton = new JButton("YES");
    yesButton.setFont(new Font("Tahoma", Font.BOLD, 14));
    yesButton.setForeground(Color.BLACK);
    yesButton.setBackground(Color.GREEN);
    yesButton.setBounds(80, 240, 200, 50);      
    frmOrmRiskCalculator.getContentPane().add(yesButton);
    yesButton.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            calcPersonnelRisk();
        }
    });

    noButton = new JButton("NO");
    noButton.setBackground(Color.RED);
    noButton.setFont(new Font("Tahoma", Font.BOLD, 14));
    noButton.setBounds(80, 330, 200, 50);
    frmOrmRiskCalculator.getContentPane().add(noButton);
    noButton.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
        System.exit(0);
        }
    });

    textField = new JTextField();
    textField.setBounds(350, 275, 100, 50);
    textField.setFont(new Font("Tahoma", Font.BOLD, 20));
    frmOrmRiskCalculator.getContentPane().add(textField);
    textField.setColumns(10);

    enterButton = new JButton("Enter");
    enterButton.setFont(new Font("Tahoma", Font.BOLD, 14)); 
    enterButton.setBounds(450, 275, 100, 50);
    buttonGroup.add(enterButton);
    frmOrmRiskCalculator.getContentPane().add(enterButton);

    exitButton = new JButton("EXIT");
    exitButton.setBackground(Color.GRAY);
    exitButton.setFont(new Font("Tahoma", Font.BOLD | Font.ITALIC, 18));
    exitButton.setBounds(80, 425, 470, 25);
    frmOrmRiskCalculator.getContentPane().add(exitButton);
    exitButton.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
        shutDown();
        }
    });
}

private void setupQuestions(){
    questions.add("How many mission personnel had less than normal rest?");
    questions.add("How many mission personnel have an illness that may impact the mission?");
    questions.add("How many mission personnel are taking medications that may affect duty?");
    questions.add("How many mission personnel are scheduled to work longer than ten hours?");
    questions.add("How many mission personnel worked greater than ten hours on the previous shift?");
    questions.add("How many mission personnel are still in a training status(less than fulll-time, T-RCOs)??");
    questions.add("How many mission personnel are on duty during flight operations?");
}
private void calcPersonnelRisk() {
    yesButton.setVisible(false);
    noButton.setVisible(false);
    message.setFont(new Font("Tahoma", Font.BOLD, 14));
    for (int i=0; i<questions.size(); i++){
    message.setText(questions.get(i));
    enterButton.addActionListener(new ActionListener(){
        public void actionPerformed(ActionEvent e){
                int r= Integer.parseInt(textField.getText().trim());
                responses.add(r);            
            }});
    }
}

private void shutDown(){
    message.setFont(new Font("Tahoma", Font.BOLD, 26));
    message.setText("Good bye!");//why doesn't this work? Sleeps, and closes, 
    //doesn't show my text message.

    try {
         Thread.sleep(1000);//also tried a wait(), notify(), but it seemed like the notify never allowed it to get to the exit command
    } catch(InterruptedException ex) {
        Thread.currentThread().interrupt();
    }
    System.exit(0);
}//end shutDown method
}//endORMRiskCalculator

Answer 1

如果您想循环查看问题，则无法一次性加载所有问题。

当您单击“输入”按钮时，类似这样的内容应该会加载下一个问题。

private int questionIndex; // store which question youre on 

private void calcPersonnelRisk() {
    yesButton.setVisible(false);
    noButton.setVisible(false);
    message.setFont(new Font("Tahoma", Font.BOLD, 14));
    // load the first question 
    message.setText(questions.get(questionIndex++));

    enterButton.addActionListener(new ActionListener(){
        public void actionPerformed(ActionEvent e){
            int r= Integer.parseInt(textField.getText().trim());
            responses.add(r);

            // load the next question 
            if (questionIndex < questions.size()) {
                message.setText(questions.get(questionIndex++));
            } else {
                message.setText("Done");
            }
        }});
    }
}

问卷GUI（我的第一个GUI）会跳过我的问题？

1 个答案: