example5_7.java.bak

书中的例题

    /* 卡片选项页面 */
   import javax.swing.*; 
   import java.awt.*; 
   import java.awt.event.*;
   class TtpDemo extends JFrame
	 { 
       TtpDemo()
		{ 
         super("卡片选项页面示例");
	     setSize(300,200);setVisible(true);
         JTabbedPane jtp = new JTabbedPane();
         ImageIcon icon1 = new ImageIcon("c1.gif"); 
         ImageIcon icon2 = new ImageIcon("c2.gif"); 
         ImageIcon icon3 = new ImageIcon("c3.gif");
         jtp.addTab("城市",icon1, new CitiesPanel(),"城市名称"); 
         jtp.addTab("文学", icon2, new BookPanel(),"文学书目"); 
         jtp.addTab("网站", icon3, new NetPanel(),"精选网址"); 
         getContentPane().add(jtp); 
		 validate();
        addWindowListener(new WindowAdapter()
         {public void windowClosing(WindowEvent e)
           {System.exit(0);}});
        } 
     } 
    //定义面板CitiesPanel
   class CitiesPanel extends JPanel
	{ 
      CitiesPanel()
		{ 
          JButton b1 = new JButton("北京"); 
          JButton b2 = new JButton("上海"); 
          JButton b3 = new JButton("深圳"); 
          JButton b4 = new JButton("厦门"); 
	      add(b1);  add(b2); add(b3); add(b4); 
        } 
   } 
    //定义面板BookPanel
   class BookPanel extends JPanel
	 { 
       BookPanel()
		 { 
           JCheckBox cb1 = new JCheckBox("西游记");
           JCheckBox cb2 = new JCheckBox("三国演义"); 
           JCheckBox cb3 = new JCheckBox("红楼梦"); 
	       add(cb1); add(cb2);  add(cb3); 
         } 
    } 
    //定义面板NetPanel
   class  NetPanel extends JPanel
	{ 
      NetPanel()
		{
         JComboBox jcb = new JComboBox(); 
         jcb.addItem("思维论坛"); 
         jcb.addItem("百度搜索"); 
         jcb.addItem("Java爱好者"); 
         add(jcb); 
       } 
   } 
   //主类
  public class Example5_7
  {  public static void main(String args[])
       {  new TtpDemo();   }
  }