Java实现两人五子棋游戏(七) 屏幕提示信息

之前的两篇文章：Java实现两人五子棋游戏(二) 画出棋盘；Java实现两人五子棋游戏(三) 画出棋子；Java实现两人五子棋游戏(四) 落子动作的实现；Java实现两人五子棋游戏(六) 行棋方变换，可以点击查看。

接下来我们要实现的功能是在有五连珠的时候，在屏幕上提示信息。直接在mousePressed函数的isWin部分使用showMessageDialog即可。

mousePressed函数代码如下：

@Override
//当用户按下鼠标按钮时发生
public void mousePressed(MouseEvent e) {
 int point_x=e.getX();
 int point_y=e.getY();

 int imgWidth = boardImg.getHeight(this);
 int imgHeight = boardImg.getWidth(this);
 int FWidth = getWidth();
 int FHeight= getHeight();

 int x=(FWidth-imgWidth)/2;
 int y=(FHeight-imgHeight)/2;

 int span_x=imgWidth/ROWS;
 int span_y=imgHeight/ROWS;

 //System.out.println("press");
 int status_x = 0;
 int status_y = 0;
 if(point_x>=x && point_x<=x+imgWidth && point_y>=y && point_y <= y+imgHeight)
 {
 //System.out.println("合法");
 for(int i=0;i<ROWS+1;i++)
 {
  if(point_x>=x-chessman_width/2+1+i*span_x)
  {
  if(point_x<=x+chessman_width/2-1+i*span_x)//如果是width/2会在中间点出现两个匹配值
  {
   //System.out.println("point x "+i+" "+point_x+" "+(x-chessman_width/2+i*span_x)+" "+(x+chessman_width/2+i*span_x));
   status_x = i;
  }
  }
 }
 for(int i=0;i<ROWS+1;i++)
 {
  if(point_y>=y-chessman_width/2+1+i*span_y)
  {
  if(point_y <= y+chessman_width/2-1+i*span_y)
  {
   //System.out.println("point y "+i+" "+point_y+" "+(y-chessman_width/2+1+i*span_y)+" "+(y+chessman_width/2-1+i*span_y));
   status_y = i;
  }
  }
 }

 if(chessStatus[status_x][status_y]==null||chessStatus[status_x][status_y].getPlaced()==false)
 {
  Chessman chessman = new Chessman(chessColor, true);
  chessStatus[status_x][status_y]=chessman;
  System.out.println("chess color:"+chessColor);
  if(chessColor==BLACK)
  {
  chessColor = WHITE;
  }else {
  chessColor = BLACK;
  }
  repaint();

  //如果胜出，给出提示信息
  if(isWin(status_x, status_y, chessStatus))
  {
  System.out.println("WIN!!!!!");
  String winner;
  //如果下一子是白色的，那么此次为黑方
  if(chessColor == WHITE)
   winner = "黑方";
  else
   winner = "白方";
  String mString = String.format("恭喜，%s WIN!!!!!", winner);
  JOptionPane.showMessageDialog(this, mString);
  }
 }
 }
}

运行一下：

至此，我们完成了最基本的五子棋功能。下面我将完整代码贴出：

Chessman.java

package xchen.test.simpleGobang;

public class Chessman {
 private int color;//1-white，0-black
 private boolean placed = false;
 int matchCount = 1;

 public Chessman(int color,boolean placed){
 this.color=color;
 this.placed=placed;
 }

 public boolean getPlaced() {
 return placed;
 }

 public void setPlaced(boolean placed) {
 this.placed = placed;
 }

 public int getColor() {
 return color;
 }

 public void setColor(int color) {
 this.color = color;
 }
} 

Main.java

package xchen.test.simpleGobang;

import java.awt.Container;
import javax.swing.JFrame;

import xchen.test.simpleGobang.DrawChessBoard;

public class Main extends JFrame{
 private DrawChessBoard drawChessBoard;
 public Main() {
 drawChessBoard = new DrawChessBoard();

 //Frame标题
 setTitle("单机五子棋");

 Container containerPane =getContentPane();
 containerPane.add(drawChessBoard);
 }
 public static void main(String[] args) {
 Main m = new Main();
 m.setSize(800, 800);
 m.setVisible(true);
 }
}

DrawChessBoard.java

package xchen.test.simpleGobang;

import java.awt.Color;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.RadialGradientPaint;
import java.awt.Toolkit;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;

import javax.swing.JOptionPane;
import javax.swing.JPanel;

public class DrawChessBoard extends JPanel implements MouseListener{
 final static int BLACK=0;
 final static int WHITE=1;
 public int chessColor = BLACK;
 int chessman_width=30;

 public Image boardImg;
 final private int ROWS = 19;
 Chessman[][] chessStatus=new Chessman[ROWS+1][ROWS+1];

 public DrawChessBoard() {
 boardImg = Toolkit.getDefaultToolkit().getImage("res/drawable/chessboard2.png");
 if(boardImg == null)
  System.err.println("png do not exist");

 addMouseListener(this);
 }
 @Override
 protected void paintComponent(Graphics g) {
 // TODO Auto-generated method stub
 super.paintComponent(g);

 int imgWidth = boardImg.getHeight(this);
 int imgHeight = boardImg.getWidth(this);
 int FWidth = getWidth();
 int FHeight= getHeight();

 int x=(FWidth-imgWidth)/2;
 int y=(FHeight-imgHeight)/2;

 int span_x=imgWidth/ROWS;
 int span_y=imgHeight/ROWS;

 g.drawImage(boardImg, x, y, null);

 //画横线
 for(int i=0;i<ROWS;i++)
 {
  g.drawLine(x, y+i*span_y, FWidth-x,y+i*span_y);
 }
 //画竖线
 for(int i=0;i<ROWS;i++)
 {
  g.drawLine(x+i*span_x, y, x+i*span_x,FHeight-y);
 }

 //画棋子
 for(int i=0;i<ROWS+1;i++)
 {
  for(int j=0;j<ROWS+1;j++)
  {
  if(chessStatus[i][j]!=null&&chessStatus[i][j].getPlaced()==true)
  {
   //System.out.println("draw chessman "+i+" "+j);
   int pos_x=x+i*span_x;
   int pos_y=y+j*span_y;
   float radius_b=40;
   float radius_w=80;
   float[] fractions = new float[]{0f,1f};
   java.awt.Color[] colors_b = new java.awt.Color[]{Color.BLACK,Color.WHITE};
   Color[] colors_w = new Color[]{Color.WHITE,Color.BLACK};
   RadialGradientPaint paint;
   if(chessStatus[i][j].getColor()==1)
   {
   //System.out.println("draw white chess");
   paint = new RadialGradientPaint(pos_x-chessman_width/2f, pos_y-chessman_width/2f, radius_w*2, fractions, colors_w);
   }else{
   //System.out.println("draw black chess");
   paint = new RadialGradientPaint(pos_x-chessman_width/2f, pos_y-chessman_width/2f, radius_b*2, fractions, colors_b);
   }
   ((Graphics2D)g).setPaint(paint);

   ((Graphics2D)g).fillOval(pos_x-chessman_width/2,pos_y-chessman_width/2,chessman_width,chessman_width);
  }
  }
 }
 }

 @Override
 //当用户按下鼠标按钮时发生
 public void mousePressed(MouseEvent e) {
 int point_x=e.getX();
 int point_y=e.getY();

 int imgWidth = boardImg.getHeight(this);
 int imgHeight = boardImg.getWidth(this);
 int FWidth = getWidth();
 int FHeight= getHeight();

 int x=(FWidth-imgWidth)/2;
 int y=(FHeight-imgHeight)/2;

 int span_x=imgWidth/ROWS;
 int span_y=imgHeight/ROWS;

 //System.out.println("press");
 int status_x = 0;
 int status_y = 0;
 if(point_x>=x && point_x<=x+imgWidth && point_y>=y && point_y <= y+imgHeight)
 {
  //System.out.println("合法");
  for(int i=0;i<ROWS+1;i++)
  {
  if(point_x>=x-chessman_width/2+1+i*span_x)
  {
   if(point_x<=x+chessman_width/2-1+i*span_x)//如果是width/2会在中间点出现两个匹配值
   {
   //System.out.println("point x "+i+" "+point_x+" "+(x-chessman_width/2+i*span_x)+" "+(x+chessman_width/2+i*span_x));
   status_x = i;
   }
  }
  }
  for(int i=0;i<ROWS+1;i++)
  {
  if(point_y>=y-chessman_width/2+1+i*span_y)
  {
   if(point_y <= y+chessman_width/2-1+i*span_y)
   {
   //System.out.println("point y "+i+" "+point_y+" "+(y-chessman_width/2+1+i*span_y)+" "+(y+chessman_width/2-1+i*span_y));
   status_y = i;
   }
  }
  }

  if(chessStatus[status_x][status_y]==null||chessStatus[status_x][status_y].getPlaced()==false)
  {
  Chessman chessman = new Chessman(chessColor, true);
  chessStatus[status_x][status_y]=chessman;
  System.out.println("chess color:"+chessColor);
  if(chessColor==BLACK)
  {
   chessColor = WHITE;
  }else {
   chessColor = BLACK;
  }
  repaint();

  //如果胜出，给出提示信息
  if(isWin(status_x, status_y, chessStatus))
  {
   System.out.println("WIN!!!!!");
   String winner;
   //如果下一子是白色的，那么此次为黑方
   if(chessColor == WHITE)
   winner = "黑方";
   else
   winner = "白方";
   String mString = String.format("恭喜，%s WIN!!!!!", winner);
   JOptionPane.showMessageDialog(this, mString);
  }
  }
 }
 }
 @Override
 //当用户按下并松开鼠标按钮时发生
 public void mouseClicked(MouseEvent e) {
 // TODO Auto-generated method stub
 }
 @Override
 public void mouseReleased(MouseEvent e) {
 // TODO Auto-generated method stub

 }
 @Override
 public void mouseEntered(MouseEvent e) {
 // TODO Auto-generated method stub

 }
 @Override
 public void mouseExited(MouseEvent e) {
 // TODO Auto-generated method stub
 }

 boolean isWin(int point_x,int point_y,Chessman[][] cm)
 {
 for(int i=0;i<ROWS+1;i++)
 {
  for(int j=0;j<ROWS+1;j++)
  {
  //横向查找
  if(chessStatus[i][j]!=null&&chessStatus[i][j].getPlaced()==true)
  {
   int matchColor = chessStatus[i][j].getColor();
   //向右侧查找
   for(int n=1;n<=4;n++)
   {
   if((i+n>=0)&&(i+n)<=ROWS)
   {
    if(chessStatus[i+n][j]!=null&&chessStatus[i+n][j].getPlaced()==true&&chessStatus[i+n][j].getColor()==matchColor)
    {
    chessStatus[i][j].matchCount++;
    System.out.println("pos:"+i+" "+j+" right count++:"+(i+n)+" "+j+" count:"+chessStatus[i][j].matchCount);
    if(chessStatus[i][j].matchCount==5)
    {
     return true;
    }
    }else
    {
    break;
    }
   }
   }
   //向左侧查找
   for(int n=1;n<=4;n++)
   {
   if((i-n>=0)&&(i-n)<=ROWS)
   {
    if(chessStatus[i-n][j]!=null&&chessStatus[i-n][j].getPlaced()==true&&chessStatus[i-n][j].getColor()==matchColor)
    {
    chessStatus[i][j].matchCount++;
    System.out.println("pos:"+i+" "+j+" "+"left count++:"+(i-n)+" "+j+" count:"+chessStatus[i][j].matchCount);
    if(chessStatus[i][j].matchCount==5)
    {
     return true;
    }
    }else
    {
    if(chessStatus[i-n][j]!=null)
    {
     chessStatus[i][j].matchCount = 1;
    }
    break;
    }
   }
   }
   chessStatus[i][j].matchCount=1;//refresh count
  }
  }
 }

 for(int i=0;i<ROWS+1;i++)
 {
  for(int j=0;j<ROWS+1;j++)
  {
  //纵向
  if(chessStatus[i][j]!=null&&chessStatus[i][j].getPlaced()==true)
  {
   int matchColor = chessStatus[i][j].getColor();
   //向下查找，左上角为坐标原点，y轴正方向向下
   for(int n=1;n<=4;n++)
   {
   if((j+n>=0)&&(j+n)<=ROWS)
   {
    if(chessStatus[i][j+n]!=null&&chessStatus[i][j+n].getPlaced()==true&&chessStatus[i][j+n].getColor()==matchColor)
    {
    chessStatus[i][j].matchCount++;
    System.out.println("pos:"+i+" "+j+" up count++:"+(i)+" "+(j+n)+" count:"+chessStatus[i][j].matchCount);
    if(chessStatus[i][j].matchCount==5)
    {
     return true;
    }
    }else
    {
    break;
    }
   }
   }
   //向上查找
   for(int n=1;n<=4;n++)
   {
   if((j-n>=0)&&(j-n)<=ROWS)
   {
    if(chessStatus[i][j-n]!=null&&chessStatus[i][j-n].getPlaced()==true&&chessStatus[i][j-n].getColor()==matchColor)
    {
    chessStatus[i][j].matchCount++;
    System.out.println("pos:"+i+" "+j+" "+"left count++:"+(i)+" "+(j-n)+" count:"+chessStatus[i][j].matchCount);
    if(chessStatus[i][j].matchCount==5)
    {
     return true;
    }
    }else
    {
    if(chessStatus[i][j-n]!=null)
    {
     chessStatus[i][j].matchCount = 1;
    }
    break;
    }
   }
   }
   chessStatus[i][j].matchCount=1;//refresh count
  }
  }
 }

 //方向：左上右下
 for(int i=0;i<ROWS+1;i++)
 {
  for(int j=0;j<ROWS+1;j++)
  {
  //左上
  if(chessStatus[i][j]!=null&&chessStatus[i][j].getPlaced()==true)
  {
   int matchColor = chessStatus[i][j].getColor();
   //向下查找，左上角为坐标原点，y轴正方向向下
   for(int n=1;n<=4;n++)
   {
   if((j-n>=0)&&(j-n)<=ROWS&&(i-n)>=0&&(i-n)<=ROWS)
   {
    if(chessStatus[i-n][j-n]!=null&&chessStatus[i-n][j-n].getPlaced()==true&&chessStatus[i-n][j-n].getColor()==matchColor)
    {
    chessStatus[i][j].matchCount++;
    System.out.println("pos:"+i+" "+j+" up count++:"+(i-n)+" "+(j-n)+" count:"+chessStatus[i][j].matchCount);
    if(chessStatus[i][j].matchCount==5)
    {
     return true;
    }
    }else
    {
    break;
    }
   }
   }
   //右下
   for(int n=1;n<=4;n++)
   {
   if((j+n>=0)&&(j+n)<=ROWS&&(i+n)>=0&&(i+n)<=ROWS)
   {
    if(chessStatus[i+n][j+n]!=null&&chessStatus[i+n][j+n].getPlaced()==true&&chessStatus[i+n][j+n].getColor()==matchColor)
    {
    chessStatus[i][j].matchCount++;
    System.out.println("pos:"+i+" "+j+" "+"left count++:"+(i+n)+" "+(j+n)+" count:"+chessStatus[i][j].matchCount);
    if(chessStatus[i][j].matchCount==5)
    {
     return true;
    }
    }else
    {
    if(chessStatus[i+n][j+n]!=null)
    {
     chessStatus[i][j].matchCount = 1;
    }
    break;
    }
   }
   }
   chessStatus[i][j].matchCount=1;//refresh count
  }
  }
 }

 //方向：左下右上
 for(int i=0;i<ROWS+1;i++)
 {
  for(int j=0;j<ROWS+1;j++)
  {
  //左下
  if(chessStatus[i][j]!=null&&chessStatus[i][j].getPlaced()==true)
  {
   int matchColor = chessStatus[i][j].getColor();
   //向下查找，左上角为坐标原点，y轴正方向向下
   for(int n=1;n<=4;n++)
   {
   if((j+n>=0)&&(j+n)<=ROWS&&(i-n)>=0&&(i-n)<=ROWS)
   {
    if(chessStatus[i-n][j+n]!=null&&chessStatus[i-n][j+n].getPlaced()==true&&chessStatus[i-n][j+n].getColor()==matchColor)
    {
    chessStatus[i][j].matchCount++;
    System.out.println("pos:"+i+" "+j+" up count++:"+(i-n)+" "+(j+n)+" count:"+chessStatus[i][j].matchCount);
    if(chessStatus[i][j].matchCount==5)
    {
     return true;
    }
    }else
    {
    break;
    }
   }
   }
   //右上
   for(int n=1;n<=4;n++)
   {
   if((j-n>=0)&&(j-n)<=ROWS&&(i+n)>=0&&(i+n)<=ROWS)
   {
    if(chessStatus[i+n][j-n]!=null&&chessStatus[i+n][j-n].getPlaced()==true&&chessStatus[i+n][j-n].getColor()==matchColor)
    {
    chessStatus[i][j].matchCount++;
    System.out.println("pos:"+i+" "+j+" "+"left count++:"+(i+n)+" "+(j-n)+" count:"+chessStatus[i][j].matchCount);
    if(chessStatus[i][j].matchCount==5)
    {
     return true;
    }
    }else
    {
    if(chessStatus[i+n][j-n]!=null)
    {
     chessStatus[i][j].matchCount = 1;
    }
    break;
    }
   }
   }
   chessStatus[i][j].matchCount=1;//refresh count
  }
  }
 }

 return false;
 }
}

更多精彩游戏，请参考专题《java经典小游戏》

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