📄 tower.java
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package hannoi;
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'}; //各个塔名
int 盘子数目,盘宽,盘高;
Thread thread;
TextArea 信息条=null;
public Tower() //自动搬运盘子时显示的信息
{
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();
}
}
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