tower.java

汉诺塔自动演示的Java版本

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class Tower extends Frame implements ActionListener,Runnable
{
  HannoiTower tower=null;
  Button renew,auto=null;
  char towerName[]={'A','B','C'};                            
  int 盘子数目,盘宽,盘高;
  Thread thread;
  TextArea 信息条=null;                                      
  public Tower()
   { 
      thread=new Thread(this);
      盘子数目=5;
      盘宽=80;
      盘高=18;
      信息条=new TextArea(12,12);
      信息条.setText(null);
      tower=new HannoiTower(盘子数目,盘宽,盘高,towerName,信息条);
      renew=new Button("重新开始");
      auto=new Button("自动演示搬盘子");
      renew.addActionListener(this);
      auto.addActionListener(this);
      add(tower,BorderLayout.CENTER);
      add(renew,BorderLayout.SOUTH);  
      add(auto,BorderLayout.NORTH);
      add(信息条,BorderLayout.EAST);
      addWindowListener(new WindowAdapter()
                 { public void windowClosing(WindowEvent e)
                     { System.exit(0);
      	             }
                 });
      setVisible(true);
      setBounds(60,20,670,540);
      validate();
   }
 public void actionPerformed(ActionEvent e)
   {
     if(e.getSource()==renew)
       {
          if(!(thread.isAlive()))
               {
                 this.remove(tower);
                 信息条.setText(null);
                 tower=new HannoiTower(盘子数目,盘宽,盘高,towerName,信息条);
                 add(tower,BorderLayout.CENTER);
                 validate(); 
               }
          else
               {
               }
       }
     if(e.getSource()==auto)
       {
         if(!(thread.isAlive()))
                 {
                   thread=new Thread(this);
                 }
         try
            { 
            
              thread.start();
            }
         catch(Exception eee)
            {
            }
        
       }
   }
 public void run()
   {
     this.remove(tower);
     信息条.setText(null);
     tower=new HannoiTower(盘子数目,盘宽,盘高,towerName,信息条);
     add(tower,BorderLayout.CENTER);
     validate(); 
     tower.自动演示搬运盘子(盘子数目,towerName[0] ,towerName[1],towerName[2]);
   }
 public static void main(String args[])
   {
      new Tower();
   }
}