如何将JLabel与其下方的JLabel行排成一行

Question

我正在尝试排列我的JLabel，其中包含＆＃34; Power Information＆＃34;使用Jlabels的第一列，并使其从窗口的左侧开始，并在窗口的右侧结束。

我尝试使用锚点到Jlabels的第一列，然后使用锚点移动文本字段，但是当我移动Jlabel列时，文本字段列不会移动一英寸。

有人可以帮我解决这个问题吗？

编辑：I am attempting to create

     public class PowerListener implements ActionListener 
     {
      public void actionPerformed(ActionEvent event)
     {
     JFrame frame = new JFrame("Power Creation");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setSize(550,400 );

        Toolkit tools = Toolkit.getDefaultToolkit();
        Dimension dim = tools.getScreenSize();

        int x = (dim.width / 2) - (frame.getWidth() / 2);
        int y = (dim.height / 2) - (frame.getHeight() / 2);

        frame.setLocation(x, y);

        //frame.setResizable(false);

         JTextField nameBox = new JTextField(6);
         JTextField levelBox = new JTextField(6);
         JTextField timingBox = new JTextField(6);

         JTextField skillBox = new JTextField(6);
         JTextField defenseBox = new JTextField(6);
         JTextField targetBox = new JTextField(6);

         JTextField RNGBox = new JTextField(6);
         JTextField encrochBox = new JTextField(6);
         JTextField restrictionBox = new JTextField(6);

         JTextField notesBox = new JTextField(4);

        JPanel panel1 = new JPanel(new GridBagLayout());

        GridBagConstraints c = new GridBagConstraints();

        c.insets = new Insets(5,5,5,5);

        //------------------------------------------------------------
        // Power Infromation
        //------------------------------------------------------------
        JLabel main = new JLabel("Power Information");
        main.setFont(new Font("Verdana", Font.BOLD, 12));
        c.gridx = 0;
        c.gridy = 0;
        //c.insets = new Insets(15,15,15,15)l;
        c.anchor = GridBagConstraints.CENTER;

        panel1.add(main,c);

        //c.insets = new Insets(5,5,5,5);

        c.anchor = GridBagConstraints.LINE_END;
        c.gridx = 0;
        c.gridy = 6;
        JLabel lname = new JLabel("Name:");
        panel1.add(lname,c);

        c.anchor = GridBagConstraints.BASELINE_LEADING;
        c.gridx = 1;
        c.gridy = 6;
        panel1.add(nameBox,c);

        c.anchor = GridBagConstraints.LINE_START;
        c.gridx = 2;
        c.gridy = 6;
        JLabel lLevel = new JLabel("Level:");
        panel1.add(lLevel,c);

        c.anchor = GridBagConstraints.CENTER;
        c.gridx = 3;
        c.gridy = 6;
        panel1.add(levelBox,c);

        c.anchor = GridBagConstraints.LINE_START;
        c.gridx = 4;
        c.gridy = 6;
        JLabel lTiming = new JLabel("Timing:");
        panel1.add(lTiming,c);

        c.anchor = GridBagConstraints.CENTER;
        c.gridx = 5;
        c.gridy = 6;
        panel1.add(timingBox,c);

        c.anchor = GridBagConstraints.LINE_END;
        c.gridx = 0;
        c.gridy = 7;
        JLabel lSkill = new JLabel("Skill:");
        panel1.add(lSkill,c);

        c.anchor = GridBagConstraints.CENTER;
        c.gridx = 1;
        c.gridy = 7;
        panel1.add(skillBox,c);

        c.anchor = GridBagConstraints.LINE_START;
        c.gridx = 2;
        c.gridy = 7;
        JLabel lDefense = new JLabel("Defense:");
        panel1.add(lDefense,c);

        c.anchor = GridBagConstraints.CENTER;
        c.gridx = 3;
        c.gridy = 7;
        panel1.add(defenseBox,c);

        c.anchor = GridBagConstraints.LINE_START;
        c.gridx = 4;
        c.gridy = 7;
        JLabel lTarget = new JLabel("Target:");
        panel1.add(lTarget,c);

        c.anchor = GridBagConstraints.CENTER;
        c.gridx = 5;
        c.gridy = 7;
        panel1.add(targetBox,c);

        c.anchor = GridBagConstraints.LINE_END;
        c.gridx = 0;
        c.gridy = 8;
        JLabel lRNG = new JLabel("RNG:");
        panel1.add(lRNG,c);

        c.anchor = GridBagConstraints.CENTER;
        c.gridx = 1;
        c.gridy = 8;
        panel1.add(RNGBox,c);

        c.anchor = GridBagConstraints.LINE_START;
        c.gridx = 2;
        c.gridy = 8;
        JLabel lencroach= new JLabel("Encroach:");
        panel1.add(lencroach,c);

        c.anchor = GridBagConstraints.CENTER;
        c.gridx = 3;
        c.gridy = 8;
        panel1.add(encrochBox,c);

        c.anchor = GridBagConstraints.LINE_START;
        c.gridx = 4;
        c.gridy = 8;
        JLabel lRestriction = new JLabel("Restriction:"+ " ");
        panel1.add(lRestriction,c);

        c.anchor = GridBagConstraints.CENTER;
        c.gridx = 5;
        c.gridy = 8;
        panel1.add(restrictionBox,c);

        frame.add(panel1);
        frame.setVisible(true);
 }

Answer 1

• 同样，我将GUI显示为JDialog，而不是JFrame，因为它看起来是依赖的子窗口而不是主GUI应用程序。如果您将其显示为模式对话框，您将确切知道用​​户何时完成使用它，从而轻松地从中提取信息。
• 您希望忽略GridBagConstraints的weightx和weighty属性。
• 在添加组件后，最好不要在GUI上调用pack（），而不是尝试设置组件或GUI的大小。

例如：

import java.awt.BorderLayout;
import java.awt.Dialog.ModalityType;
import java.awt.event.ActionEvent;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;
import java.awt.Window;
import java.util.HashMap;
import java.util.Map;

import javax.swing.*;

@SuppressWarnings("serial")
public class PowerDialogPanel extends JPanel {
    private static final int I_GAP = 4;
    public static final String[][] LABEL_TEXTS = {
        {"Name", "Level", "Timing"},
        {"Skill", "Defense", "Target"},
        {"RNG", "Encroach", "Restriction"}
    };
    private static final int TF_COLS = 10;
    private static final String TITLE_TEXT = "Power Information";
    private Map<String, JTextField> labelFieldMap = new HashMap<>();

    public PowerDialogPanel() {
        JPanel centerPanel = new JPanel(new GridBagLayout());
        for (int row = 0; row < LABEL_TEXTS.length; row++) {
            for (int col = 0; col < LABEL_TEXTS[row].length; col++) {
                String text = LABEL_TEXTS[row][col];
                JLabel label = new JLabel(text + ":");
                JTextField textField = new JTextField(TF_COLS);
                labelFieldMap.put(text, textField);

                int x = 2 * col;
                centerPanel.add(label, createGbc(x, row));
                centerPanel.add(textField, createGbc(x + 1, row));
            }
        }

        JButton submitButton = new JButton(new AbstractAction("Submit") {

            @Override
            public void actionPerformed(ActionEvent e) {
                Window win = SwingUtilities.getWindowAncestor(PowerDialogPanel.this);
                win.dispose();
            }
        });

        setLayout(new BorderLayout(I_GAP, I_GAP));
        add(new JLabel(TITLE_TEXT), BorderLayout.PAGE_START);
        add(centerPanel, BorderLayout.CENTER);
        add(submitButton, BorderLayout.PAGE_END);
    }

    public String getText(String labelText) {
        return labelFieldMap.get(labelText).getText();
    }

    private GridBagConstraints createGbc(int x, int y) {
        GridBagConstraints gbc = new GridBagConstraints();
        gbc.gridx = x;
        gbc.gridy = y;
        gbc.fill = GridBagConstraints.HORIZONTAL;
        gbc.weightx = 1.0;
        gbc.weighty = 0.0;
        gbc.insets = new Insets(I_GAP, I_GAP, I_GAP, I_GAP);
        gbc.anchor = x % 2 == 0 ? GridBagConstraints.WEST : GridBagConstraints.EAST;
        return gbc;
    }

    private static void createAndShowGui() {
        final PowerDialogPanel powerDialogPanel = new PowerDialogPanel();

        final JFrame frame = new JFrame("Power Frame");
        final JDialog dialog = new JDialog(frame, "Power Dialog", ModalityType.APPLICATION_MODAL);
        dialog.add(powerDialogPanel);
        dialog.pack();
        dialog.setLocationRelativeTo(null);

        JPanel framePanel = new JPanel();
        framePanel.add(new JButton(new AbstractAction("Show Power Dialog") {

            @Override
            public void actionPerformed(ActionEvent arg0) {
                dialog.setVisible(true);
                for (String[] strings : LABEL_TEXTS) {
                    for (String labelText : strings) {
                        System.out.printf("%12s: %s%n", labelText, powerDialogPanel.getText(labelText));
                    }
                }
            }
        }));
        frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
        frame.getContentPane().add(framePanel);
        frame.pack();
        frame.setLocationByPlatform(true);
        frame.setVisible(true);
    }

    public static void main(String[] args) {
        SwingUtilities.invokeLater(new Runnable() {
            public void run() {
                createAndShowGui();
            }
        });
    }
}