/*****************************************
展示利用CardLayout版面管理員的狀況
*************************************************/
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class ui16 extends JFrame implements ActionListener
{
    JButton bot[]=new JButton[16];
    JTextField txt;
    Container c;
    CardLayout cardl=new CardLayout();
    String name;
    public ui16()
    {
        super("UI 版面配置");
        int i;
        for (i=0;i<16;i=i+1)
        {
            bot[i]=new JButton("編號："+i);
        }
        txt=new JTextField(10);
        c=getContentPane();
        c.setLayout(cardl);//設定為用cardlayout
        //注意加入元件的順序
        for (i=0;i<16;i=i+1)
        {
            name=new String(Integer.toString(i));
            c.add(bot[i],name);
            bot[i].addActionListener(this);
        }
        setSize(600,480);
        setVisible(true);
    }
    public void paint(Graphics g)
    {
        super.paint(g);
    }
   /***按鈕事件的傾聽方法****/
    public void actionPerformed(ActionEvent e) //按鈕事件的處理方法
    { 
        int i;
        for (i=0;i<16;i=i+1)
        {
            if (e.getSource()==bot[i])
            {
                cardl.next(c); //翻頁
                break;
            }
        }
    }
    public static void main(String args[]) //程式起點
    {
        ui16 app=new ui16(); //畫圖
        //處理視窗關閉要求
        app.addWindowListener(
             new WindowAdapter()
             {
                public void windowClosing(WindowEvent e)
                {  System.exit(0);}
             });
    }
}