fivechess.java

同学课程设计的一个代码但只能实现下自己下棋

import   java.awt.*;     
  import   java.awt.event.*;     
  import   javax.swing.*;   
  import   java.awt.geom.*;   
  import   javax.swing.JOptionPane.*;   
    
  public   class   FiveChess   
  {   
  public   static   void   main(String[]   args)   
  {   
  JFrame   myFrame   =   new   JFrame("快乐五子棋");     
  myFrame.getContentPane().add(new   MyPanel());     
  Toolkit   mykit   =   myFrame.getToolkit();     
  Dimension   mysize   =   mykit.getScreenSize();     
  myFrame.setBounds(0,0,mysize.width,mysize.height   -   40);   
  myFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);   
  myFrame.show();     
  }   
  }   
    
  class   MyPanel   extends   JPanel   implements   MouseListener     
  {   
  private   Point   start   =   new   Point(0,0);     
  private   Point   next   =   new   Point(0,0);   
  boolean[][]   chessBo   =   new   boolean[19][19];   
  boolean   chessCo   =   true; //判断颜色的，true   黑   
  boolean   winchess   =   true; //true,为胜利   
    
  MyPanel(){   
  addMouseListener(this);     
  setBackground(Color.blue);   
  }   
  public   boolean   winkill(int   x,int   y) //win   ?   
  {   
  int   countBlack   =   0,countWhite   =   0;   
  boolean   winchess01   =   false;   
  //x,y   取到r01,r02的值   
  for(int   i   =   0;i   <   5;i++)//判断纵向下   
  {   
  if((x   +   i)   >   20)   
  break;   
  if(chessCo   &&   chessBo[x   +   i][y])   
  countBlack++;   
  else   if(chessBo[x   +   i][y]   &&   (chessCo   ==   false))   
  countWhite++;   
  }   
  for(int   i   =   0;i   <   5;i++)//判断纵向上   
  {   
  if((x   -   i)   <=   0)   
  break;   
  if(chessCo   &&   chessBo[x   -   i][y])   
  countBlack++;   
  else   if(chessBo[x   -   i][y]   &&   (chessCo   ==   false))   
  countWhite++;   
  }   
  if((countBlack   ==   5)   ||   (countWhite   ==   5))   
  winchess01   =   true;   
  return   winchess01;   
  }   
  public   void   paint(Graphics   g)//画棋盘   
          {   
  Graphics2D   g2D   =   (Graphics2D)g;   
    
  g2D.setPaint(Color.black);   
  float   pay   =   60.0f,pbx   =   60.0f;   
  float   lett   =   25.0f;   
  Point2D.Float   p1   =   new   Point2D.Float(60.0f,pay);   
  Point2D.Float   p2   =   new   Point2D.Float(510.0f,pay);   
  Point2D.Float   p3   =   new   Point2D.Float(pbx,60.0f);   
  Point2D.Float   p4   =   new   Point2D.Float(pbx,510.0f);   
  for(int   i=0;i<19;i++){   
  Line2D.Float   lineH   =   new   Line2D.Float(p1,p2);   
  Line2D.Float   lineV   =   new   Line2D.Float(p3,p4);   
  pay   +=   lett;   
  p1   =   new   Point2D.Float(60.0f,pay);   
  p2   =   new   Point2D.Float(510.0f,pay);   
  pbx   +=   lett;   
  p3   =   new   Point2D.Float(pbx,60.0f);   
  p4   =   new   Point2D.Float(pbx,510.0f);   
  g2D.draw(lineH);   
  g2D.draw(lineV);   
  }   
  }   
  public   void   mousePressed(MouseEvent   evt)     
  {   
  }   
  public   void   mouseClicked(MouseEvent   evt)     
  {   
  int   x   =   evt.getX();     
  int   y   =   evt.getY();     
  int   clickCount   =   evt.getClickCount();     
  if(clickCount   >=1   ){   
  if((x   >   48   &&   x   <   522)   &&   (y   >   48   &&   y   <   522))   
  draw(x,y);     
  }   
  }   
    
  public   void   draw(int   dx,int   dy)   
  {   
  int   r01   =   0,r02   =   0;   
  Graphics   g   =   getGraphics();   
  start.x   =   dx;     
  start.y   =   dy;     
  r01   =   (start.x   +   13   -   60)   /   25; //r01   、r02当前的格子   
  r02   =   (start.y   +   13   -   60)   /   25;   
  //System.out.println(r01   +   "-"   +   r02);   
  next.x   =   25   *   r01   +   60   -   11;   
  next.y   =   25   *   r02   +   60   -   11;   
  //System.out.println(next.x   +   "-"   +   next.y);   
  if(chessCo){   
  chessCo   =   false;   
  g.setColor(Color.black);   
  g.fillOval(next.x,next.y,20,20);   
  chessBo[next.x][next.y]   =   true;//用这个时，黑白子可交替出现，   
  //chessBo[r01][r02]   =   true;//用这个代替上面那个时黑白子不可交替了，不知道为什么会这样   
  //加入判断胜负的方法winkill()   
  if(winchess   ==   winkill(r01,r02))   
  showMessage();   
  }   
  if(!chessCo){   
  chessCo   =   true;   
  g.setColor(Color.white);   
  g.fillOval(next.x,next.y,20,20);   
    
  chessBo[r01][r02]   =   true;   
  }   
  //g.drawOval(next.x,next.y,20,20);   
  g.dispose();   
  }   
    
  public   void   mouseReleased(MouseEvent   evt)   
  {   
  }   
    
  public   void   mouseEntered(MouseEvent   evt)   
  {   
  }   
    
  public   void   mouseExited(MouseEvent   evt)   
  {     
  }   
  public   void   showMessage()   
  {   
  JOptionPane.showMessageDialog(null,   
  "You   are   win.",   
  "wide288   to   Message!",   
  JOptionPane.INFORMATION_MESSAGE);   
  }   
  }