Java BorderFactory

最新推荐文章于 2024-12-21 10:17:00 发布

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#java #border #import #string #class #types

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本文介绍了一个使用Java Swing实现的边框效果示例程序。该程序通过不同的按钮选项来切换组件的边框样式，包括凹陷、凸起和蚀刻边框等。这些边框效果可以应用于Swing应用的UI设计中。

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import java.awt.EventQueue;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.*;
import javax.swing.border.*;

public class BorderTest {

   /**
   * @param args
   */
   public static void main(String[] args) {
       // TODO Auto-generated method stub
       EventQueue.invokeLater(new Runnable() {
           public void run(){
               BorderFrame frame = new BorderFrame();
               frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
               frame.setVisible(true);
           }
       });
   }

}

class BorderFrame extends JFrame {
   private static final int DEFAULT_WIDTH = 300;
   private static final int DEFAULT_HEIGHT = 200;
   private JPanel demoPanel;
   private JPanel btnPanel;
   private ButtonGroup group;

   public BorderFrame() {
       setSize(DEFAULT_WIDTH, DEFAULT_HEIGHT);
       setTitle("BorderFrame");

       demoPanel = new JPanel();
       btnPanel = new JPanel();
       group = new ButtonGroup();

       addRadioBtn("Lower bevel", BorderFactory.createLoweredBevelBorder());
       addRadioBtn("Raise bevel", BorderFactory.createRaisedBevelBorder());
       addRadioBtn("Etched bevel", BorderFactory.createEtchedBorder());

       Border etched = BorderFactory.createEtchedBorder();
       Border titled = BorderFactory.createTitledBorder(etched, "Border types");
       btnPanel.setBorder(titled);
       setLayout(new GridLayout(2, 1));
       add(btnPanel);
       add(demoPanel);

   }

   public void addRadioBtn(String name, final Border b) {
       JRadioButton radioBtn = new JRadioButton(name);
       radioBtn.addActionListener(new ActionListener() {
           public void actionPerformed(ActionEvent event) {
               demoPanel.setBorder(b);
           }
       });

       group.add(radioBtn);
       btnPanel.add(radioBtn);
   }
}