borderpanel.java

来自「Java 程序设计教程（第五版）EXAMPLESchap06源码」· Java 代码 · 共 36 行

//********************************************************************
//  BorderPanel.java       Authors: Lewis/Loftus
//
//  Represents the panel in the LayoutDemo program that demonstrates
//  the border layout manager.
//********************************************************************

import java.awt.*;
import javax.swing.*;

public class BorderPanel extends JPanel
{
   //-----------------------------------------------------------------
   //  Sets up this panel with a button in each area of a border
   //  layout to show how it affects their position, shape, and size.
   //-----------------------------------------------------------------
   public BorderPanel()
   {
      setLayout (new BorderLayout());

      setBackground (Color.green);

      JButton b1 = new JButton ("BUTTON 1");
      JButton b2 = new JButton ("BUTTON 2");
      JButton b3 = new JButton ("BUTTON 3");
      JButton b4 = new JButton ("BUTTON 4");
      JButton b5 = new JButton ("BUTTON 5");

      add (b1, BorderLayout.CENTER);
      add (b2, BorderLayout.NORTH);
      add (b3, BorderLayout.SOUTH);
      add (b4, BorderLayout.EAST);
      add (b5, BorderLayout.WEST);
   }
}