Java怎么实现简易五子棋小游戏

这篇文章主要介绍“Java怎么实现简易五子棋小游戏”，在日常操作中，相信很多人在Java怎么实现简易五子棋小游戏问题上存在疑惑，小编查阅了各式资料，整理出简单好用的操作方法，希望对大家解答”Java怎么实现简易五子棋小游戏”的疑惑有所帮助！接下来，请跟着小编一起来学习吧！

一、实践目标：

掌握JavaGUI界面设计

掌握鼠标事件的监听（MouseListener，MouseMotionListener）

二、实践内容：

设计一个简单的五子棋程序，能够实现五子棋下棋过程。如下图所示

五子棋运行界面

1.五子棋棋盘类

package cn.edu.ouc.fiveChess; import java.awt.Color;import java.awt.Cursor;import java.awt.Dimension;import java.awt.Graphics;import java.awt.Graphics2D;import java.awt.Image;import java.awt.RadialGradientPaint;import java.awt.RenderingHints;import java.awt.Toolkit;import java.awt.event.MouseEvent;import java.awt.event.MouseListener;import java.awt.event.MouseMotionListener;import java.awt.geom.Ellipse2D; import javax.swing.*; public class ChessBoard extends JPanel implements MouseListener {   public static final int MARGIN=30;//边距   public static final int GRID_SPAN=35;//网格间距   public static final int ROWS=15;//棋盘行数   public static final int COLS=15;//棋盘列数      Point[] chessList=new Point[(ROWS+1)*(COLS+1)];//初始每个数组元素为null   boolean isBlack=true;//默认开始是黑棋先   boolean gameOver=false;//游戏是否结束   int chessCount;//当前棋盘棋子的个数   int xIndex,yIndex;//当前刚下棋子的索引      Image img;   Image shadows;   Color colortemp;   public ChessBoard(){            // setBackground(Color.blue);//设置背景色为橘黄色       img=Toolkit.getDefaultToolkit().getImage("board.jpg");       shadows=Toolkit.getDefaultToolkit().getImage("shadows.jpg");       addMouseListener(this);       addMouseMotionListener(new MouseMotionListener(){           public void mouseDragged(MouseEvent e){                          }                      public void mouseMoved(MouseEvent e){             int x1=(e.getX()-MARGIN+GRID_SPAN/2)/GRID_SPAN;             //将鼠标点击的坐标位置转成网格索引             int y1=(e.getY()-MARGIN+GRID_SPAN/2)/GRID_SPAN;             //游戏已经结束不能下             //落在棋盘外不能下             //x，y位置已经有棋子存在，不能下             if(x1<0||x1>ROWS||y1<0||y1>COLS||gameOver||findChess(x1,y1))                 setCursor(new Cursor(Cursor.DEFAULT_CURSOR));             //设置成默认状态             else setCursor(new Cursor(Cursor.HAND_CURSOR));                        }       });   }    //绘制   public void paintComponent(Graphics g){            super.paintComponent(g);//画棋盘            int imgWidth= img.getWidth(this);       int imgHeight=img.getHeight(this);//获得图片的宽度与高度       int FWidth=getWidth();       int FHeight=getHeight();//获得窗口的宽度与高度       int x=(FWidth-imgWidth)/2;       int y=(FHeight-imgHeight)/2;       g.drawImage(img, x, y, null);                  for(int i=0;i<=ROWS;i++){//画横线           g.drawLine(MARGIN, MARGIN+i*GRID_SPAN, MARGIN+COLS*GRID_SPAN, MARGIN+i*GRID_SPAN);       }       for(int i=0;i<=COLS;i++){//画竖线           g.drawLine(MARGIN+i*GRID_SPAN, MARGIN, MARGIN+i*GRID_SPAN, MARGIN+ROWS*GRID_SPAN);                  }              //画棋子       for(int i=0;i<chessCount;i++){           //网格交叉点x，y坐标           int xPos=chessList[i].getX()*GRID_SPAN+MARGIN;           int yPos=chessList[i].getY()*GRID_SPAN+MARGIN;           g.setColor(chessList[i].getColor());//设置颜色          // g.fillOval(xPos-Point.DIAMETER/2, yPos-Point.DIAMETER/2,                           //Point.DIAMETER, Point.DIAMETER);           //g.drawImage(shadows, xPos-Point.DIAMETER/2, yPos-Point.DIAMETER/2, Point.DIAMETER, Point.DIAMETER, null);           colortemp=chessList[i].getColor();           if(colortemp==Color.black){               RadialGradientPaint paint = new RadialGradientPaint(xPos-Point.DIAMETER/2+25, yPos-Point.DIAMETER/2+10, 20, new float[]{0f, 1f}               , new Color[]{Color.WHITE, Color.BLACK});               ((Graphics2D) g).setPaint(paint);               ((Graphics2D) g).setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);               ((Graphics2D) g).setRenderingHint(RenderingHints.KEY_ALPHA_INTERPOLATION, RenderingHints.VALUE_ALPHA_INTERPOLATION_DEFAULT);            }           else if(colortemp==Color.white){               RadialGradientPaint paint = new RadialGradientPaint(xPos-Point.DIAMETER/2+25, yPos-Point.DIAMETER/2+10, 70, new float[]{0f, 1f}               , new Color[]{Color.WHITE, Color.BLACK});               ((Graphics2D) g).setPaint(paint);               ((Graphics2D) g).setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);               ((Graphics2D) g).setRenderingHint(RenderingHints.KEY_ALPHA_INTERPOLATION, RenderingHints.VALUE_ALPHA_INTERPOLATION_DEFAULT);            }                    Ellipse2D e = new Ellipse2D.Float(xPos-Point.DIAMETER/2, yPos-Point.DIAMETER/2, 34, 35);           ((Graphics2D) g).fill(e);           //标记最后一个棋子的红矩形框                      if(i==chessCount-1){//如果是最后一个棋子               g.setColor(Color.red);               g.drawRect(xPos-Point.DIAMETER/2, yPos-Point.DIAMETER/2,                           34, 35);           }       }   }      public void mousePressed(MouseEvent e){//鼠标在组件上按下时调用              //游戏结束时，不再能下       if(gameOver) return;              String colorName=isBlack?"黑棋":"白棋";              //将鼠标点击的坐标位置转换成网格索引       xIndex=(e.getX()-MARGIN+GRID_SPAN/2)/GRID_SPAN;       yIndex=(e.getY()-MARGIN+GRID_SPAN/2)/GRID_SPAN;              //落在棋盘外不能下       if(xIndex<0||xIndex>ROWS||yIndex<0||yIndex>COLS)           return;              //如果x，y位置已经有棋子存在，不能下       if(findChess(xIndex,yIndex))return;              //可以进行时的处理       Point ch=new Point(xIndex,yIndex,isBlack?Color.black:Color.white);       chessList[chessCount++]=ch;        repaint();//通知系统重新绘制                    //如果胜出则给出提示信息，不能继续下棋              if(isWin()){           String msg=String.format("恭喜，%s赢了！", colorName);           JOptionPane.showMessageDialog(this, msg);           gameOver=true;       }       isBlack=!isBlack;     }   //覆盖mouseListener的方法   public void mouseClicked(MouseEvent e){       //鼠标按键在组件上单击时调用   }      public void mouseEntered(MouseEvent e){       //鼠标进入到组件上时调用   }   public void mouseExited(MouseEvent e){       //鼠标离开组件时调用   }   public void mouseReleased(MouseEvent e){       //鼠标按钮在组件上释放时调用   }   //在棋子数组中查找是否有索引为x，y的棋子存在   private boolean findChess(int x,int y){       for(Point c:chessList){           if(c!=null&&c.getX()==x&&c.getY()==y)               return true;       }       return false;   }         private boolean isWin(){       int continueCount=1;//连续棋子的个数             //横向向西寻找       for(int x=xIndex-1;x>=0;x--){           Color c=isBlack?Color.black:Color.white;           if(getChess(x,yIndex,c)!=null){               continueCount++;           }else               break;       }      //横向向东寻找       for(int x=xIndex+1;x<=COLS;x++){          Color c=isBlack?Color.black:Color.white;          if(getChess(x,yIndex,c)!=null){             continueCount++;          }else             break;       }       if(continueCount>=5){             return true;       }else        continueCount=1;              //继续另一种搜索纵向       //向上搜索       for(int y=yIndex-1;y>=0;y--){           Color c=isBlack?Color.black:Color.white;           if(getChess(xIndex,y,c)!=null){               continueCount++;           }else               break;       }       //纵向向下寻找       for(int y=yIndex+1;y<=ROWS;y++){           Color c=isBlack?Color.black:Color.white;           if(getChess(xIndex,y,c)!=null)               continueCount++;           else              break;              }       if(continueCount>=5)           return true;       else           continueCount=1;                     //继续另一种情况的搜索：斜向       //东北寻找       for(int x=xIndex+1,y=yIndex-1;y>=0&&x<=COLS;x++,y--){           Color c=isBlack?Color.black:Color.white;           if(getChess(x,y,c)!=null){               continueCount++;           }           else break;       }       //西南寻找       for(int x=xIndex-1,y=yIndex+1;x>=0&&y<=ROWS;x--,y++){           Color c=isBlack?Color.black:Color.white;           if(getChess(x,y,c)!=null){               continueCount++;           }           else break;       }       if(continueCount>=5)           return true;       else continueCount=1;                     //继续另一种情况的搜索：斜向       //西北寻找       for(int x=xIndex-1,y=yIndex-1;x>=0&&y>=0;x--,y--){           Color c=isBlack?Color.black:Color.white;           if(getChess(x,y,c)!=null)               continueCount++;           else break;       }       //东南寻找       for(int x=xIndex+1,y=yIndex+1;x<=COLS&&y<=ROWS;x++,y++){           Color c=isBlack?Color.black:Color.white;           if(getChess(x,y,c)!=null)               continueCount++;           else break;       }       if(continueCount>=5)           return true;       else continueCount=1;              return false;     }         private Point getChess(int xIndex,int yIndex,Color color){       for(Point p:chessList){           if(p!=null&&p.getX()==xIndex&&p.getY()==yIndex                   &&p.getColor()==color)               return p;       }       return null;   }         public void restartGame(){       //清除棋子       for(int i=0;i<chessList.length;i++){           chessList[i]=null;       }       //恢复游戏相关的变量值       isBlack=true;       gameOver=false; //游戏是否结束       chessCount =0; //当前棋盘棋子个数       repaint();   }      //悔棋   public void goback(){       if(chessCount==0)           return ;       chessList[chessCount-1]=null;       chessCount--;       if(chessCount>0){           xIndex=chessList[chessCount-1].getX();           yIndex=chessList[chessCount-1].getY();       }       isBlack=!isBlack;       repaint();   }      //矩形Dimension    public Dimension getPreferredSize(){       return new Dimension(MARGIN*2+GRID_SPAN*COLS,MARGIN*2                            +GRID_SPAN*ROWS);   }         }

2.棋子类

package cn.edu.ouc.fiveChess; import java.awt.Color;public class Point {  private int x;//棋盘中的x索引  private int y;//棋盘中的y索引  private Color color;//颜色  public static final int DIAMETER=30;//直径    public Point(int x,int y,Color color){      this.x=x;      this.y=y;      this.color=color;  }     public int getX(){//拿到棋盘中x的索引      return x;  }  public int getY(){      return y;  }  public Color getColor(){//获得棋子的颜色      return color;  }}

3.五子棋主框架类

package cn.edu.ouc.fiveChess;import java.awt.event.*;import java.awt.*; import javax.swing.*;public class StartChessJFrame extends JFrame {  private ChessBoard chessBoard;  private JPanel toolbar;  private JButton startButton,backButton,exitButton;    private JMenuBar menuBar;  private JMenu sysMenu;  private JMenuItem startMenuItem,exitMenuItem,backMenuItem;  //重新开始，退出，和悔棋菜单项  public StartChessJFrame(){      setTitle("单机版五子棋");//设置标题      chessBoard=new ChessBoard();                Container contentPane=getContentPane();      contentPane.add(chessBoard);      chessBoard.setOpaque(true);                  //创建和添加菜单      menuBar =new JMenuBar();//初始化菜单栏      sysMenu=new JMenu("系统");//初始化菜单      //初始化菜单项      startMenuItem=new JMenuItem("重新开始");      exitMenuItem =new JMenuItem("退出");      backMenuItem =new JMenuItem("悔棋");      //将三个菜单项添加到菜单上      sysMenu.add(startMenuItem);      sysMenu.add(exitMenuItem);      sysMenu.add(backMenuItem);      //初始化按钮事件监听器内部类      MyItemListener lis=new MyItemListener();      //将三个菜单注册到事件监听器上      this.startMenuItem.addActionListener(lis);      backMenuItem.addActionListener(lis);      exitMenuItem.addActionListener(lis);      menuBar.add(sysMenu);//将系统菜单添加到菜单栏上      setJMenuBar(menuBar);//将menuBar设置为菜单栏            toolbar=new JPanel();//工具面板实例化      //三个按钮初始化      startButton=new JButton("重新开始");      exitButton=new JButton("退出");      backButton=new JButton("悔棋");      //将工具面板按钮用FlowLayout布局      toolbar.setLayout(new FlowLayout(FlowLayout.LEFT));      //将三个按钮添加到工具面板      toolbar.add(startButton);      toolbar.add(exitButton);      toolbar.add(backButton);      //将三个按钮注册监听事件      startButton.addActionListener(lis);      exitButton.addActionListener(lis);      backButton.addActionListener(lis);      //将工具面板布局到界面”南方“也就是下方      add(toolbar,BorderLayout.SOUTH);      add(chessBoard);//将面板对象添加到窗体上      //设置界面关闭事件      setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);      //setSize(800,800);      pack();//自适应大小        }    private class MyItemListener implements ActionListener{      public void actionPerformed(ActionEvent e){          Object obj=e.getSource();//获得事件源          if(obj==StartChessJFrame.this.startMenuItem||obj==startButton){              //重新开始              //JFiveFrame.this内部类引用外部类              System.out.println("重新开始");              chessBoard.restartGame();          }          else if (obj==exitMenuItem||obj==exitButton)              System.exit(0);          else if (obj==backMenuItem||obj==backButton){              System.out.println("悔棋...");              chessBoard.goback();          }      }  }      public static void main(String[] args){      StartChessJFrame f=new StartChessJFrame();//创建主框架      f.setVisible(true);//显示主框架        }}

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