borderlayoutdemo2.java

精通Java核心技术源代码

import java.awt.*;
import javax.swing.*;
  
public class BorderLayoutDemo2 extends JFrame 
{
		private JPanel buttonPanel;
		
		private String microsoft = "Microsoft ";
		private String word = "Word ";
		private String excel = "Excel ";
		private String powerPoint = "PowerPoint ";
		private String frontPage = "FrontPage ";
	     private JButton microsoftButton,wordButton,excelButton,powerPointButton,
	         frontPageButton;
	
		public BorderLayoutDemo2() 
      	{
      		super( "BorderLayoutDemo2" );

  			Container container = getContentPane();

			// 创建buttonPanel
			buttonPanel = new JPanel();
			buttonPanel.setLayout( new FlowLayout( FlowLayout.CENTER,6,10 ) );
		
			// 创建按钮
			microsoftButton = new JButton( microsoft );
			wordButton = new JButton( word );
			excelButton = new JButton( excel );
			powerPointButton = new JButton( powerPoint );
			frontPageButton = new JButton( frontPage );

			//将按钮加入 buttonPanel
			buttonPanel.add( wordButton );
			buttonPanel.add( excelButton );
			buttonPanel.add( powerPointButton );
			buttonPanel.add( frontPageButton );
				
			// 将microsoftButton 和 buttonPanel 加入 container
			container.add( microsoftButton,BorderLayout.CENTER );
			container.add( buttonPanel,BorderLayout.SOUTH );
	
			setSize( 400,240 );
			setVisible( true );
      	}
    
      	public static void main(String[] args) 
      	{
          	BorderLayoutDemo2 borderLayoutDemo2 = new BorderLayoutDemo2();
          	borderLayoutDemo2.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );
      	}
  	}