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Java实现两人五子棋游戏(七) 屏幕提示信息

发布时间：2020-10-19 04:08:13 来源：脚本之家 阅读：148 作者：v_xchen_v 栏目：编程语言

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：

Java实现两人五子棋游戏(七) 屏幕提示信息

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：

Java实现两人五子棋游戏(七) 屏幕提示信息

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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