chesspanel.java

JAVA编的五子棋游戏

import java.awt.*;
import java.awt.Graphics;
import java.awt.event.*;
import javax.swing.*;

public class chesspanel extends JPanel implements MouseListener,MouseMotionListener 
{
		static int[][] chessMap;  //数组记录0为此地无子，1为黑子，2为红子
	    static int black_or_red;  //记录当前谁下棋
	    private String winner;       //记录谁是胜者

	public chesspanel()
	{
		 black_or_red=-1; //白子先下
	     chessMap=new int[28+1][28+1];
	     	for(int i=0;i<=28;i++)
			for(int j=0;j<=28;j++)
				 chessMap[i][j]=0;  //开始时没有子，都为0
		    setOpaque(true);
		    addMouseListener(this);	
		 addMouseMotionListener(this);
	}
	
	public void paintComponent(Graphics g){
		super.paintComponent(g);
		for(int i=0;i<=27;i++){
			for(int j=0;j<=27;j++){
				drawchess(g,i,j);
			}
		}
	//	g.drawLine(10,10,100,100);
	}
	
	
		public void drawchess(Graphics g,int i,int j){
		int x=i*20+20;
		int y=j*20+20;
      
           g.setColor(Color.black);
           g.drawRect(x,y,20,20);
            if(chessMap[i][j] == 1 )
           
        {
           
           g.setColor(Color.black);
           g.fillOval(x-8,y-8,16,16);
          
        }
          if(chessMap[i][j] == 2 )
        {
          
           g.setColor(Color.red);
           g.fillOval(x-8,y-8,16,16);
         
        }
   }
   public void restart(){
	
	
		for(int i=0;i<=27;i++)
			for(int j=0;j<=27;j++)
				 chessMap[i][j]=0;
		         repaint();
	}
   
    public void mouseClicked(MouseEvent e)
    {
    	
    	//restart();
	   //  System.out.println("here");
        //int x = evt.getX() / 20;
        //int y = evt.getY() / 20;
    }

    public void mouseReleased(MouseEvent evt)
    {
    }

    public void mouseEntered(MouseEvent mouseevt)
    {
    }

    public void mouseExited(MouseEvent mouseevent)
    {
    }

    public void mouseMoved(MouseEvent moveevt){
   }

    public void mouseDragged(MouseEvent evt){

    }
	public void mousePressed(MouseEvent e) {
	 	
		 int x = (e.getX()-10) / 20;
	     int y = (e.getY()-10) / 20;
	     int count=0;
	     int fiveax=x,fiveay=y;
	     int baseax=x,baseay=y;
	     int ax=x,ay=y;
	     if (e.getModifiers()==MouseEvent.BUTTON1_MASK)
	        {
	         
	        if(chessMap[ax][ay]!=0)
	        {
	       
	           JOptionPane.showMessageDialog(mychess.thisGame,"这里已经有子了,你不能再下在这里了","ERRO",JOptionPane.PLAIN_MESSAGE); 
	         
	          }
	          else
	          {
	          
	        	if(black_or_red<0)
	        	{
	        		chessMap[ax][ay]=1;
	        		black_or_red=1;
	        	}
	            else
	            {
	        		chessMap[ax][ay]=2;
	        		black_or_red=-1;
	        	}
	             repaint();  
	        }
	       
	        //看左右是否有5个棋子
	     while(chessMap[fiveax][fiveay]==chessMap[baseax][baseay]){
	    	 count++;
	    	 
	    	 if(fiveax<26) fiveax++;
	    	
	  
	     }
	     
	     //JOptionPane.showMessageDialog( mychess.thisGame, count+" are Winner!!","Win",1);  
	     fiveax=baseax;count--;
	     // JOptionPane.showMessageDialog( mychess.thisGame, " are Winner!!","Win",1);
	     while(chessMap[fiveax][fiveay]==chessMap[baseax][baseay]){
	    	 count++;
	    	 if(fiveax==0) break;
	    	 if(fiveax>0) fiveax--;
	    	 
	     }
	     if(count>4) 
	    	 {
	    	 	if(chessMap[baseax][baseay]==1)
	    	 	{
	    	 	winner="黑选手";	
	    	 	}
	    	 	else
	    	 	{
	    	 		winner="红选手";
	    	 		}
	    	 JOptionPane.showMessageDialog( mychess.thisGame, winner+" 胜啊!!","Win",1);
	    	 restart();
	    	 return;
	    	 }
	     
	    	  // //看上下是否有5个棋子
	     ax=x;count=0;
	     while(chessMap[ax][ay]==chessMap[x][y]){
	    	 count++;
	    	 if(ay<26) ay++;
	     }
	     ay=y;count--;
	     while(chessMap[ax][ay]==chessMap[x][y]){
	    	 count++;
	    	 if(ay==0) break;
	    	 if(ay>0) ay--;
	     }
	     if(count>4) {
	    
	    	 if(chessMap[baseax][baseay]==1)
	    	 	{
	    	 	winner="黑选手";	
	    	 	}
	    	 	else
	    	 	{
	    	 		winner="红选手";
	    	 		}
	    	 JOptionPane.showMessageDialog( mychess.thisGame, winner+"  胜啊!!!!","Win",1);
	    	 restart();
	    	 return;
	     }
	     //  // //看对角线是否有5个棋子
	    	
	     ax=x;ay=y;count=0;
	     while(chessMap[ax][ay]==chessMap[x][y]){
	    	 count++;
	    	 if(ax==0||ay==0) break;
	    	 if(ay>0&ax>0) {
	    		 ay--;ax--;
	    	 }
	     }
	     ay=y;ax=x;;count--;
	     while(chessMap[ax][ay]==chessMap[x][y]){
	    	 count++;
	    	 if(ay<26&&ax<26) {
	    		 ay++;ax++;
	    	 } 
	     }
	     if(count>4) {
	    	 
	    	 if(chessMap[baseax][baseay]==1)
	    	 	{
	    	 	winner="黑选手";	
	    	 	}
	    	 	else
	    	 	{
	    	 		winner="红选手";
	    	 		}
	    	 JOptionPane.showMessageDialog( mychess.thisGame, winner+"  胜啊!!!!","Win",1);
	    	 restart();
	    	 return;
	     }
	     
	     ax=x;ay=y;count=0;
	     while(chessMap[ax][ay]==chessMap[x][y]){
	    	 count++;
	    	 if(ax==0) break;
	    	 if(ay<26&&ax>0) {
	    		 ay++;ax--;
	    	 }
	     }
	     ay=y;ax=x;count--;
	     while(chessMap[ax][ay]==chessMap[x][y]){
	    	 count++;
	    	 if(ay==0) break;
	    	 if(ay>0&&ax<26) {
	    		 ay--;ax++;
	    	 }
	     }
	     if(count>4) {
	    	
	    	 	if(chessMap[baseax][baseay]==1)
	    	 	{
	    	 	winner="黑选手";	
	    	 	}
	    	 	else
	    	 	{
	    	 		winner="红选手";
	    	 		}
	    	 JOptionPane.showMessageDialog( mychess.thisGame, winner+"  胜啊!!!!","Win",1);
	    	 restart();
	    	 return;
	     }	
	   	 
	        
	        
	        
	        }	
	        
	        
	        
	 }
   
   
  
   
   
   
   
}