我需要帮助在 Java Swing 中进行布局。我的盒子变得非常小,不知道如何让它们变大。
如下所示:/image/acRjl.png
这就是我想要的:/image/yoja3.png
代码:
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class MPC
{
public static void main(String [] args)
{
createWindow();
}
public static void createWindow()
{
JPanel main, left, right;
JFrame frame = new JFrame("MPC");
Box [] box = new Box[16];
JSlider tempo = new JSlider(JSlider.VERTICAL, 0, 30, 15);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
main = new JPanel();
main.setBorder(BorderFactory.createEmptyBorder(10,10,10,10));
//Left side holds boxes
left = new JPanel();
left.setLayout(new GridLayout(4, 4));
for(int i = 0; i < 16; i++)
{
box[i] = new Box(BoxLayout.X_AXIS);
box[i].setBorder(BorderFactory.createLineBorder(Color.black));
box[i].add(new JLabel(" " + (i+1) + " "));
left.add(box[i]);
}
//Right side for tempo
right = new JPanel();
right.setLayout(new GridLayout(1, 1));
tempo.setMajorTickSpacing(10);
tempo.setMinorTickSpacing(1);
tempo.setPaintTicks(true);
right.add(tempo);
//Add everything to window
main.add(left, BorderLayout.WEST);
main.add(right, BorderLayout.EAST);
frame.add(main);
frame.getContentPane();
//Window Stuff
frame.setBounds(50,50,500,500);
frame.setResizable(false);
frame.setLocationRelativeTo(null);
frame.setVisible(true);
}
}
我该怎么做才能使它看起来像第二张图片?任何帮助将不胜感激!
最佳答案
尝试将 main
的布局更改为 BorderLayout
:
main = new JPanel(new BorderLayout());
然后,将 left
面板添加到 BorderLayout
的中心
main.add(left, BorderLayout.CENTER);
这样,盒子网格将尽可能多地占据 main
的可用空间。请参阅How to Use BorderLayout更多细节。
这些更改的结果:
关于Java Swing 制作具有自定义尺寸的盒子,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/24213048/