JAVA 边框小合集

package mypackage;
import java.awt.*;
import java.awt.event.*;
import javax.swing.border.*;
import javax.swing.*;
public class BorderDemo extends JFrame
{
 private static final long serialVersionUID = 1L;

 public BorderDemo()
 {
  // 设置框架窗口的标题
  super("使用边框的例子");
  
  // 定义5个简单类型的边框
  Border blackline, etched, raisedbevel, loweredbevel, empty;
  
  // 创建黑色的线状边框
  blackline = BorderFactory.createLineBorder(Color.black);
  
  // 创建蚀刻边框
  etched = BorderFactory.createEtchedBorder();
  
  // 创建凸出边框
  raisedbevel = BorderFactory.createRaisedBevelBorder();
  
  // 创建凹陷边框
  loweredbevel = BorderFactory.createLoweredBevelBorder();
  
  // 创建空的边框
  empty = BorderFactory.createEmptyBorder();
  
  // First pane: simple borders
  JPanel simpleBorders = new JPanel();
  simpleBorders.setLayout(new BoxLayout(simpleBorders, BoxLayout.Y_AXIS));
  addCompForBorder(blackline, "线状边框", simpleBorders);
  addCompForBorder(etched, "蚀刻边框", simpleBorders);
  addCompForBorder(raisedbevel, "凸出边框", simpleBorders);
  addCompForBorder(loweredbevel, "凹陷边框", simpleBorders);
  addCompForBorder(empty, "空的边框", simpleBorders);
  
  // Second pane: titled borders
  JPanel titledBorders = new JPanel();
  titledBorders.setLayout(new BoxLayout(titledBorders, BoxLayout.Y_AXIS));
  TitledBorder titled;
  titled = BorderFactory.createTitledBorder("title");
  addCompForBorder(titled, "default titled border" + " (default just., default pos.)", titledBorders);
  
  titled = BorderFactory.createTitledBorder(blackline, "title");
  addCompForTitledBorder(titled, "titled line border" + " (centered, default pos.)", TitledBorder.CENTER, TitledBorder.DEFAULT_POSITION, titledBorders);
  
  titled = BorderFactory.createTitledBorder(etched, "title");
  addCompForTitledBorder(titled, "titled etched border" + " (right just., default pos.)", TitledBorder.RIGHT, TitledBorder.DEFAULT_POSITION, titledBorders);
  
  titled = BorderFactory.createTitledBorder(loweredbevel, "title");
  addCompForTitledBorder(titled, "titled lowered bevel border" + " (default just., above top)", TitledBorder.DEFAULT_JUSTIFICATION, TitledBorder.ABOVE_TOP, titledBorders);
  
  titled = BorderFactory.createTitledBorder(empty, "title");
  addCompForTitledBorder(titled, "titled empty border" + " (default just., bottom)", TitledBorder.DEFAULT_JUSTIFICATION, TitledBorder.BOTTOM, titledBorders);
  
  // 创建TabbledPane组件
  JTabbedPane tabbedPane = new JTabbedPane();
  tabbedPane.addTab("简单的边框", null, simpleBorders, null);
  tabbedPane.addTab("带有标题的边框", null, titledBorders, null);
  tabbedPane.setSelectedIndex(0);
  getContentPane().add(tabbedPane, BorderLayout.CENTER);
 }
 
 // 添加带有标题的边框
 void addCompForTitledBorder(TitledBorder border, String description, int justification, int position, Container container)
 {
  border.setTitleJustification(justification);
  border.setTitlePosition(position);
  addCompForBorder(border, description, container);
 }
 
 // 添加简单的边框
 void addCompForBorder(Border border, String description, Container container)
 {
  JPanel comp = new JPanel(false);
  JLabel label = new JLabel(description, JLabel.CENTER);
  comp.setLayout(new GridLayout(1, 1));
  comp.add(label);
  comp.setBorder(border);
  container.add(Box.createRigidArea(new Dimension(0, 10)));
  // 设置间隔
  container.add(comp);
 }
 
 // 程序的入口方法
 public static void main(String[] args)
 {
  JFrame. frame. = new BorderDemo();
  // 添加框架窗口的事件监听（监听关闭框架窗口事件）
  frame.addWindowListener(new WindowAdapter()
  {
   public void windowClosing(WindowEvent e)
   {
    // 正常推出Java虚拟机
    System.exit(0);
   }
  });
  // 显示框架窗口
  frame.pack();
  frame.setVisible(true);
 }
}