chess.java

用JAVA写的一个关于围棋的小程序,看书后写的,请多多指教!

 import java.awt.*;
 import java.awt.event.*;
 
 class ChessPad extends Panel implements MouseListener,ActionListener
 {
 	int x=-1,y=-1,棋子颜色=1;
 	Button button=new Button("重新开局");
 	TextField text_1=new TextField("请黑棋下子"),
 	          text_2=new TextField();
 	   ChessPad()
 	   {
 	   	setSize(440,440);
 	   	setLayout(null);
 	   	setBackground(Color.pink);
 	   	addMouseListener(this);
 	   	add(button);
 	   	button.setBounds(10,5,60,26);
 	   	button.addActionListener(this);
 	   	add(text_1);
 	   	text_1.setBounds(90,5,90,24);
 	   	add(text_2);
 	   	text_2.setBounds(290,5,90,24);
 	   	text_1.setEditable(false);
 	   	text_2.setEditable(false);
 	   	
 	   }
 	   
 	   public void paint(Graphics g)
 	   {
 	   	for(int i=40;i<=380;i=i+20)
 	   	{
 	   		g.drawLine(40,i,400,i);
 	   	}
 	   	
 	   	g.drawLine(40,400,400,400);
 	   	for(int j=40;j<=380;j=j+20)
 	   	{
 	   		g.drawLine(j,40,j,400);
 	   		
 	   	}
 	   	
 	   	g.drawLine(400,40,400,400);
 	   	g.fillOval(97,97,6,6);
 	   	g.fillOval(337,97,6,6);
 	   	g.fillOval(97,337,6,6);
 	   	g.fillOval(337,337,6,6);
 	   	g.fillOval(217,217,6,6);
 	   	
 	   }
 	   
 	   public void mousePressed(MouseEvent e)
 	   {
 	   	  if(e.getModifiers()==InputEvent.BUTTON1_MASK)
 	   	   {
 	   	   	  x=(int)e.getX();
 	   	   	  y=(int)e.getY();
 	   	   	  ChessPoint_black chesspoint_black=new ChessPoint_black(this);
 	   	   	  ChessPoint_white chesspoint_white=new ChessPoint_white(this);
 	   	   	  int a=(x+10)/20,b=(y+10)/20;
 	   	   	  if(x/20<2||y/20<2||x/20>19||y/20>19)
 	   	   	   {
 	   	   	   	
 	   	   	   }
 	   	   	   
 	   	   	   else
 	   	   	   {
 	   	   	   	  if(棋子颜色==1)
 	   	   	   	  {
 	   	   	   	  	this.add(chesspoint_black);
 	   	   	   	  	chesspoint_black.setBounds(a*20-7,b*20-7,16,16);
 	   	   	   	  	棋子颜色=棋子颜色*(-1);
 	   	   	   	  	text_2.setText("请白棋下子");
 	   	   	   	  	text_1.setText("");
 	   	   	   	  }
 	   	   	   	  
 	   	   	   	  else 
 	   	   	   	  if(棋子颜色==-1)
 	   	   	   	  {
 	   	   	   	  	this.add(chesspoint_white);
 	   	   	   	  	chesspoint_white.setBounds(a*20-7,b*20-7,16,16);
 	   	   	   	  	棋子颜色=棋子颜色*(-1);
 	   	   	   	  	text_1.setText("请黑棋下子");
 	   	   	   	  	text_2.setText("");
 	   	   	   	  	
 	   	   	   	  }
 	   	   	   }
 	   	   }
 	   }
 	   
 	   public void mouseReleased(MouseEvent e)
 	   {
 	   }
 	   
 	   public void mouseEntered(MouseEvent e)
 	   {
 	   }
 	   
 	   public void mouseExited(MouseEvent e)
 	   {
 	   }
 	   
 	   public void mouseClicked(MouseEvent e)
 	   {
 	   }
 	   
 	   public void actionPerformed(ActionEvent e)
 	   {
 	   	  this.removeAll();
 	   	  棋子颜色=1;
 	   	  add(button);
 	   	  button.setBounds(10,5,60,26);
 	   	  add(text_1);
 	   	  text_1.setBounds(90,5,90,24);
 	   	  text_2.setText("");
 	   	  text_1.setText("请黑棋下子");
 	   	  add(text_2);
 	   	  text_2.setBounds(290,5,90,24);
 	   	  
 	   }
 }
 
 
 class ChessPoint_black extends Canvas implements MouseListener
 {
 	ChessPad chesspad=null;
 	ChessPoint_black(ChessPad p)
 	{
 		setSize(20,20);
 		chesspad=p;
 		addMouseListener(this);
 		
 	}
 	
 	public void paint(Graphics g)
 	{
 		g.setColor(Color.black);
 		g.fillOval(0,0,14,14);
 		
 	}
 	
 	public void mousePressed(MouseEvent e)
 	{
 		if(e.getModifiers()==InputEvent.BUTTON3_MASK)
 		{
 			chesspad.remove(this);
 			chesspad.棋子颜色=1;
 			chesspad.text_2.setText("");
 			chesspad.text_1.setText("请黑棋下子");
 		}
 	}
 	
 	public void mouseReleased(MouseEvent e)
 	   {
 	   }
 	   
 	   public void mouseEntered(MouseEvent e)
 	   {
 	   }
 	   
 	   public void mouseExited(MouseEvent e)
 	   {
 	   }
 	   
 	   public void mouseClicked(MouseEvent e)
 	   {
 	   	  if(e.getClickCount()>=2)
 	   	  
 	   	  	chesspad.remove(this);
 	   	  
 	   }
 	   
 }
 
 
 class ChessPoint_white extends Canvas implements MouseListener
 {
 	ChessPad chesspad=null;
 	ChessPoint_white(ChessPad p)
 	{
 		setSize(20,20);
 		chesspad=p;
 		addMouseListener(this);
 		
 	}
 	
 	public void paint(Graphics g)
 	{
 		g.setColor(Color.white);
 		g.fillOval(0,0,14,14);
 		
 	}
 	
 	public void mousePressed(MouseEvent e)
 	{
 		if(e.getModifiers()==InputEvent.BUTTON3_MASK)
 		{
 			chesspad.remove(this);
 			chesspad.棋子颜色=-1;
 			chesspad.text_2.setText("请白棋下子");
 			chesspad.text_1.setText("");
 		}
 	}
 	
 	public void mouseReleased(MouseEvent e)
 	   {
 	   }
 	   
 	   public void mouseEntered(MouseEvent e)
 	   {
 	   }
 	   
 	   public void mouseExited(MouseEvent e)
 	   {
 	   }
 	   
 	   public void mouseClicked(MouseEvent e)
 	   {
 	   	  if(e.getClickCount()>=2)
 	   	  
 	   	  	chesspad.remove(this);
 	   	  
 	   }
 	   
 }
 
 
 
 public class Chess extends Frame
 {
 	ChessPad chesspad=new ChessPad();
 	Chess()
 	{
 		setVisible(true);
 		setLayout(null);
 		Label label=new Label("单击左键下棋子,双击吃棋子,用右键单击棋子悔棋",Label.CENTER);
 		add(label);
 		label.setBounds(70,55,440,26);
 		label.setBackground(Color.orange);
 		add(chesspad);
 		chesspad.setBounds(70,90,440,440);
 		addWindowListener(new WindowAdapter()
 		      {
 		      	public void windowClosing(WindowEvent e)
 		      	{
 		      		System.exit(0);
 		      	}
 		      });
 		      
 		pack();
 		setSize(600,500);
 	}
 	
 	public static void main(String args[])
 	{
 		Chess chess=new Chess();
 	}
 }