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Java Swing第二个JFrame布局是否填满了空间?_Java_Swing - Fatal编程技术网

Java Swing第二个JFrame布局是否填满了空间?

Java Swing第二个JFrame布局是否填满了空间?,java,swing,Java,Swing,我一直在学习手写Swing,并一直在使用Sun Doc教程。我使用的是GridLayout,在我第一次使用它时,所有按钮都填满了可用空间。在我的第二次尝试中,我已经实现了第二个网格来在顶部保存一些控件。我相信这是一件非常简单的事情,但在阅读和玩了很久之后,我无法像第一次尝试那样让第二个下窗格充满按钮。请帮忙 package layout; import java.awt.*; import java.awt.event.*; import javax.swing.*; public class

我一直在学习手写Swing,并一直在使用Sun Doc教程。我使用的是GridLayout,在我第一次使用它时,所有按钮都填满了可用空间。在我的第二次尝试中,我已经实现了第二个网格来在顶部保存一些控件。我相信这是一件非常简单的事情,但在阅读和玩了很久之后,我无法像第一次尝试那样让第二个下窗格充满按钮。请帮忙

package layout;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class Game extends JFrame {
    GridLayout gameLayout = new GridLayout(6,6);
    JLabel score = new JLabel("Score:");

    public Game(String name) {
        super(name);
        setResizable(true);
    }

    public void addComponentsToPane(final Container pane) {
        final JPanel mainGameWindow = new JPanel();
        mainGameWindow.setLayout(gameLayout);
        JPanel controls = new JPanel();
        controls.setLayout(new GridLayout(2,4));

        //Add buttons to experiment with Grid Layout
        mainGameWindow.add(new JButton("sqrOne1"));
        mainGameWindow.add(new JButton("sqrOne2"));
        mainGameWindow.add(new JButton("sqrOne3"));
        mainGameWindow.add(new JButton("sqrOne4"));
        mainGameWindow.add(new JButton("sqrOne5"));
        mainGameWindow.add(new JButton("sqrOne6")); 
        mainGameWindow.add(new JButton("sqrTwo1"));
        mainGameWindow.add(new JButton("sqrTwo2"));
        mainGameWindow.add(new JButton("sqrTwo3"));
        mainGameWindow.add(new JButton("sqrTwo4"));
        mainGameWindow.add(new JButton("sqrTwo5"));
        mainGameWindow.add(new JButton("sqrTwo6")); 
        mainGameWindow.add(new JButton("sqrThree1"));
        mainGameWindow.add(new JButton("sqrThree2"));
        mainGameWindow.add(new JButton("sqrThree3"));
        mainGameWindow.add(new JButton("sqrThree4"));
        mainGameWindow.add(new JButton("sqrThree5"));
        mainGameWindow.add(new JButton("sqrThree6"));   
        mainGameWindow.add(new JButton("sqrFour1"));
        mainGameWindow.add(new JButton("sqrFour2"));
        mainGameWindow.add(new JButton("sqrFour3"));
        mainGameWindow.add(new JButton("sqrFour4"));
        mainGameWindow.add(new JButton("sqrFour5"));
        mainGameWindow.add(new JButton("sqrFour6"));    
        mainGameWindow.add(new JButton("sqrFive1"));
        mainGameWindow.add(new JButton("sqrFive2"));
        mainGameWindow.add(new JButton("sqrFive3"));
        mainGameWindow.add(new JButton("sqrFive4"));
        mainGameWindow.add(new JButton("sqrFive5"));
        mainGameWindow.add(new JButton("sqrFive6"));        
        mainGameWindow.add(new JButton("sqrSix1"));
        mainGameWindow.add(new JButton("sqrSix2"));
        mainGameWindow.add(new JButton("sqrSix3"));
        mainGameWindow.add(new JButton("sqrSix4"));
        mainGameWindow.add(new JButton("sqrSix5"));
        mainGameWindow.add(new JButton("sqrSix6"));

        //Add controls to set up horizontal and vertical gaps
        controls.add(new Label("Match pairs of Promient Tech Heads!"));
        controls.add(score);
        controls.add(new JButton("Solve"));
        controls.add(new JButton("Scrabble")); 

        //Process the Apply gaps button press    
        gameLayout.layoutContainer(mainGameWindow);

        pane.add(controls, BorderLayout.NORTH);
        pane.add(new JSeparator(), BorderLayout.CENTER);        
        pane.add(mainGameWindow, BorderLayout.SOUTH);
    }

    private void setLabelText(String text)
    {
        score.setText(text);
        score.paintImmediately(score.getVisibleRect());
    }


    private static void createAndShowGUI() {
        //Create and set up the window.
        Game frame = new Game("Game");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        //Set up the content pane.
        frame.addComponentsToPane(frame.getContentPane());
        //Display the window.
        frame.pack();
        frame.setVisible(true);
        frame.setSize(600,600);
        frame.setMinimumSize(new Dimension(400, 400));            
    }

    public static void main(String[] args) {
        /* Use an appropriate Look and Feel */
        try {
            //UIManager.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsLookAndFeel");
            UIManager.setLookAndFeel("javax.swing.plaf.metal.MetalLookAndFeel");
        } catch (UnsupportedLookAndFeelException ex) {
            ex.printStackTrace();
        } catch (IllegalAccessException ex) {
            ex.printStackTrace();
        } catch (InstantiationException ex) {
            ex.printStackTrace();
        } catch (ClassNotFoundException ex) {
            ex.printStackTrace();
        }
        /* Turn off metal's use of bold fonts */
        UIManager.put("swing.boldMetal", Boolean.FALSE);

        //Schedule a job for the event dispatch thread:
        //creating and showing this application's GUI.
        javax.swing.SwingUtilities.invokeLater(new Runnable() {
            public void run() {
                createAndShowGUI();
            }
        });
    }
}

不读你的问题,只看代码,运行这个代码你必须改变

GridBagLayoutDemo frame = new GridBagLayoutDemo("GridLayoutDemo");

编辑

1) 通过调用方法pack();正确设置JComponents的大小

2) 然后正确设置为可见(true)

但是

然后编码
setSize()
南部地区创建的间隙

接近正确的应该是

private static void createAndShowGUI() {
    Game frame = new Game("Game");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.addComponentsToPane(frame.getContentPane());
    frame.setMinimumSize(new Dimension(400, 400));
    frame.pack();
    frame.setVisible(true);
}

不读你的问题,只看代码,运行这个代码你必须改变

GridBagLayoutDemo frame = new GridBagLayoutDemo("GridLayoutDemo");

编辑

1) 通过调用方法pack();正确设置JComponents的大小

2) 然后正确设置为可见(true)

但是

然后编码
setSize()
南部地区创建的间隙

接近正确的应该是

private static void createAndShowGUI() {
    Game frame = new Game("Game");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.addComponentsToPane(frame.getContentPane());
    frame.setMinimumSize(new Dimension(400, 400));
    frame.pack();
    frame.setVisible(true);
}

我想我发现了未来读者的问题,按钮需要声明为:

JButton btnOne1 = new JButton("btnOne1");
btnOne1.setPreferredSize(new Dimension(100, 100));
然后

mainGameWindow.add(btnOne1);

这会让他们填满他们所在的窗口

我想我发现了未来读者的问题,按钮需要声明为:

JButton btnOne1 = new JButton("btnOne1");
btnOne1.setPreferredSize(new Dimension(100, 100));
然后

mainGameWindow.add(btnOne1);

这会让他们填满他们所在的窗口

很抱歉,仍然会产生与以前相同的输出。谢谢你的尝试。很抱歉,仍然会产生与以前相同的输出。谢谢你的努力。