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

	public class JColorChooserDemo extends JFrame {
	   private Container container;  //容器
	   private JPanel colorPanel; //用于反映顏色變化的面板

	   public JColorChooserDemo() {  //構(gòu)造函數(shù)
	      super( "調(diào)色板演示" );  //調(diào)用JFrame的構(gòu)造函數(shù)
	      container = getContentPane();  //得到容器
	      colorPanel=new JPanel();  //初始化面板

	      JButton selectColorButton = new JButton( "選取顏色" );  //初始化顏色選擇按鈕
	      selectColorButton.addActionListener(  //為顏色選擇按鈕增加事件處理
	         new ActionListener() {
	            public void actionPerformed( ActionEvent event )
	            {
	            	JColorChooser chooser=new JColorChooser();	//實例化顏色選擇器
	               Color color=chooser.showDialog(JColorChooserDemo.this,"選取顏色",Color.lightGray );  //得到選擇的顏色
	               if (color==null)  //如果未選取
	                  color=Color.gray;  //則設(shè)置顏色為灰色
	               colorPanel.setBackground(color);  //改變面板的背景色
				}

	      });
	      container.add(selectColorButton,BorderLayout.NORTH);  //增加組件
	      container.add(colorPanel,BorderLayout.CENTER);  //增加組件
	      setSize( 400, 130 );  //設(shè)置窗口尺寸
	      setVisible(true);  //設(shè)置窗口可見
	      setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE );  //關(guān)閉窗口時退出程序
	   }

	   public static void main(String args[]) {
	      new JColorChooserDemo();
	   }
	}