BoxLayout演示3 : 布局 « 图形用户界面


  

import java.awt.BorderLayout;

import java.awt.Container;

import java.awt.GridLayout;



import javax.swing.BorderFactory;

import javax.swing.Box;

import javax.swing.JButton;

import javax.swing.JFrame;

import javax.swing.JPanel;



public class StrutSample {

  public static void main(String args[]) {

    Box horizontalBox;

    JPanel panel;

    JFrame frame = new JFrame("Horizontal Strut");

    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    Container contentPane = frame.getContentPane();

    contentPane.setLayout(new GridLayout(0, 1));



    horizontalBox = Box.createHorizontalBox();

    horizontalBox.add(Box.createHorizontalStrut(10));

    horizontalBox.add(new JButton("Left"));

    horizontalBox.add(new JButton("Middle"));

    horizontalBox.add(new JButton("Right"));

    panel = new JPanel(new BorderLayout());

    panel.add(horizontalBox);

    panel.setBorder(BorderFactory.createTitledBorder("Beginning Strut"));

    contentPane.add(panel);



    horizontalBox = Box.createHorizontalBox();

    horizontalBox.add(new JButton("Left"));

    horizontalBox.add(Box.createHorizontalStrut(10));

    horizontalBox.add(new JButton("Middle"));

    horizontalBox.add(Box.createHorizontalStrut(25));

    horizontalBox.add(new JButton("Right"));

    panel = new JPanel(new BorderLayout());

    panel.add(horizontalBox);

    panel.setBorder(BorderFactory.createTitledBorder("2 Middle Struts"));

    contentPane.add(panel);



    horizontalBox = Box.createHorizontalBox();

    horizontalBox.add(Box.createHorizontalStrut(25));

    horizontalBox.add(new JButton("Left"));

    horizontalBox.add(new JButton("Middle"));

    horizontalBox.add(new JButton("Right"));

    horizontalBox.add(Box.createHorizontalStrut(10));

    panel = new JPanel(new BorderLayout());

    panel.add(horizontalBox);

    panel.setBorder(BorderFactory

        .createTitledBorder("Beginning/End Struts"));

    contentPane.add(panel);



    horizontalBox = Box.createHorizontalBox();

    horizontalBox.add(new JButton("Left"));

    horizontalBox.add(new JButton("Middle"));

    horizontalBox.add(new JButton("Right"));

    panel = new JPanel(new BorderLayout());

    horizontalBox.add(Box.createHorizontalStrut(10));

    panel.add(horizontalBox);

    panel.setBorder(BorderFactory.createTitledBorder("End Strut"));

    contentPane.add(panel);



    frame.setSize(300, 300);

    frame.setVisible(true);

  }

}
BoxLayout演示3 : 布局 « 图形用户界面 « Java
