hua_rong_road.java

一掌上电脑小程序

import java.awt.*; 
import java.awt.event.*;
public class Hua_Rong_Road extends Frame implements MouseListener,KeyListener,ActionListener
{  Person person[]=new Person[10];
   Button left,right,above,below;  
   Button restart=new Button("重新开始");
   public Hua_Rong_Road()
   { init();
     setBounds(400,400,340,360);
     setVisible(false);
     validate();
      addWindowListener(new WindowAdapter()
                   { public void windowClosing(WindowEvent e)
                     {  setVisible(false);
                     } 
                   }
                   );
   }
   public void init()
   {  setLayout(null); 
      add(restart);
      restart.setBounds(100,320,120,25);
      restart.addActionListener(this);
      String name[]={"曹操","关羽","张飞","刘备","周瑜","黄忠","兵","兵","兵","兵"};
      for(int k=0;k<name.length;k++)
      {  person[k]=new Person(k,name[k]);
         person[k].addMouseListener(this);
         person[k].addKeyListener(this);
         add(person[k]);
      }
      person[0].setBounds(104,54,100,100); 
      person[1].setBounds(104,154,100,50); 
      person[2].setBounds(54, 154,50,100); 
      person[3].setBounds(204,154,50,100); 
      person[4].setBounds(54, 54, 50,100); 
      person[5].setBounds(204, 54, 50,100);  
      person[6].setBounds(54,254,50,50);  
      person[7].setBounds(204,254,50,50); 
      person[8].setBounds(104,204,50,50); 
      person[9].setBounds(154,204,50,50); 
      person[9].requestFocus();
      left=new Button();  right=new Button();
      above=new Button(); below=new Button();
      add(left);  add(right);
      add(above); add(below);
      left.setBounds(49,49,5,260);
      right.setBounds(254,49,5,260);
      above.setBounds(49,49,210,5);
      below.setBounds(49,304,210,5);
      validate();
   } 
   public void keyTyped(KeyEvent e){}
   public void keyReleased(KeyEvent e){}
   public void keyPressed(KeyEvent e)
   {  Person man=(Person)e.getSource();
     if(e.getKeyCode()==KeyEvent.VK_DOWN)
     {  go(man,below);
     }
     if(e.getKeyCode()==KeyEvent.VK_UP)
     {  go(man,above);
     }
     if(e.getKeyCode()==KeyEvent.VK_LEFT)
     {  go(man,left);
     }
     if(e.getKeyCode()==KeyEvent.VK_RIGHT)
     {  go(man,right);
     }
   }
   public void mousePressed(MouseEvent e)
   { Person man=(Person)e.getSource();
     int x=-1,y=-1;
     x=e.getX();
     y=e.getY();
     int w=man.getBounds().width;
     int h=man.getBounds().height;
     if(y>h/2)
     { go(man,below); 
     } 
     if(y<h/2)
     { go(man,above);
     }   
     if(x<w/2)
     { go(man,left);
     }
     if(x>w/2)
     { go(man,right);
     }
   }
   public void mouseReleased(MouseEvent e) {}
   public void mouseEntered(MouseEvent e)  {}
   public void mouseExited(MouseEvent e)   {}
   public void mouseClicked(MouseEvent e)  {}
   public void go(Person man,Button direction)
   {  boolean move=true;
      Rectangle manRect=man.getBounds();
      int x=man.getBounds().x;
      int y=man.getBounds().y;
      if(direction==below)
         y=y+50;
      else if(direction==above)
         y=y-50;
      else if(direction==left)
         x=x-50;
      else if(direction==right)
         x=x+50;
      manRect.setLocation(x,y);
      Rectangle directionRect=direction.getBounds();
      for(int k=0;k<10;k++)
      {  Rectangle personRect=person[k].getBounds();
         if((manRect.intersects(personRect))&&(man.number!=k))
           {  move=false;
           }
      }
      if(manRect.intersects(directionRect))
      {    move=false;
      } 
      if(move==true)
      {    man.setLocation(x,y);
      }
   }
  public void actionPerformed(ActionEvent e)
   {  dispose(); 
      new Hua_Rong_Road();
      setVisible(true);
   }
}