flowlayoutdemo.java

精通Java核心技术源代码

import java.awt.*;
import javax.swing.*;
  
public class FlowLayoutDemo extends JFrame 
{
  		private JPanel buttonPanel;
  	
  		private String word = "Word ";
  		private String excel = "Excel ";
  		private String powerPoint = "PowerPoint ";
  		private String frontPage = "FrontPage ";
  	
  		private JButton wordButton,excelButton,powerPointButton,frontPageButton;
  	
  		public FlowLayoutDemo() 
      	{
      		super( "FlowLayoutDemo" );
  
  			Container container = getContentPane();
  		
  			// 创建一个用于摆放按钮的Panel
  			buttonPanel = new JPanel();
  			buttonPanel.setLayout( new FlowLayout( FlowLayout.CENTER,4,4 ) );
  		
  			// 创建按钮
  			wordButton = new JButton( word );
  			excelButton = new JButton( excel );
  			powerPointButton = new JButton( powerPoint );
  			frontPageButton = new JButton( frontPage );
  		
  			// 将按钮加入buttonPanel中
  			buttonPanel.add( wordButton );
  			buttonPanel.add( excelButton );
  			buttonPanel.add( powerPointButton );
  			buttonPanel.add( frontPageButton );
  		
  			// 将buttonPanel 加入 container中
  			container.add( buttonPanel );
  		
  			setSize( 260,120 );
  			setVisible( true );
      	}
      
      	public static void main(String[] args) 
      	{
          	FlowLayoutDemo flowLayoutDemo = new FlowLayoutDemo();
          	flowLayoutDemo.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );
       	}
  	}