This article describes the use of a box layout manager for Java programming. Share it for your reference, as follows:
Let’s take a look at the running effect:
The complete code is as follows:
package awtDemo;import java.awt.BorderLayout;import java.awt.Container;import javax.swing.Box;import javax.swing.JButton;import javax.swing.JFrame;import javax.swing.JLabel;import javax.swing.JScrollPane;import javax.swing.JTextArea;import javax.swing.JTextField;/** * Using box layout manager* * @author HAN * */public class BoxLayout_1 extends JFrame { /** * */ private static final long serialVersionUID = 6896925750596855002L; public BoxLayout_1() { // TODO Auto-generated constructor stub Container container = getContentPane(); Box box = Box.createVerticalBox(); container.add(box, BorderLayout.NORTH); box.add(Box.createVerticalStrut(5)); Box topicBox = Box.createHorizontalBox(); box.add(topicBox); topicBox.setAlignmentX(1); topicBox.add(Box.createHorizontalStrut(5)); JLabel topicLabel = new JLabel("Tubject:"); topicBox.add(topicLabel); topicBox.add(Box.createHorizontalStrut(5)); JTextField topicTextField = new JTextField(30); topicBox.add(topicTextField); Box box2 = Box.createVerticalBox(); container.add(box2, BorderLayout.CENTER); Box contentBox = Box.createHorizontalBox(); contentBox.setAlignmentX(1); box2.add(Box.createVerticalStrut(5)); box2.add(contentBox); contentBox.add(Box.createHorizontalStrut(5)); JLabel contentLabel = new JLabel("Content:"); contentLabel.setAlignmentY(0); contentBox.add(contentLabel); contentBox.add(Box.createHorizontalStrut(5)); StringBuilder stringBuilder = new StringBuilder(); String contentString = new String("Use the box layout manager to achieve right alignment of components" + "and upper alignment, and control the spacing between components!"); stringBuilder.append(contentString); stringBuilder.append(contentString); stringBuilder.append(contentString); contentString = stringBuilder.toString(); JTextArea contentTextArea = new JTextArea(contentString, 3, 30); contentTextArea.setLineWrap(true); JScrollPane scrollPane = new JScrollPane(); scrollPane.setAlignmentY(0); scrollPane.setViewportView(contentTextArea); contentBox.add(scrollPane); contentBox.add(Box.createHorizontalStrut(5)); // System.out.println(contentTextArea.requestFocusInWindow()); box2.add(Box.createVerticalStrut(5)); JButton submitButton = new JButton("OK"); box2.add(submitButton); submitButton.setAlignmentX(1); box2.add(Box.createVerticalStrut(5)); } /** * @param args */ public static void main(String[] args) { // TODO Auto-generated method stub BoxLayout_1 frame = new BoxLayout_1(); frame.setTitle("www.VeVB.COM - Using Box Layout Manager"); frame.setVisible(true); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.pack(); }}For more information about Java algorithms, readers who are interested in this site can view the topics: "Java Data Structure and Algorithm Tutorial", "Summary of Java Operation DOM Node Tips", "Summary of Java File and Directory Operation Tips" and "Summary of Java Cache Operation Tips"
I hope this article will be helpful to everyone's Java programming.