JavaSE實踐之單機版五子棋

1、2020-7-5JavaSE實踐之單機版五子棋蝌蚪成長記目錄一、實踐目標 2二、實踐內容2三、實現(xiàn)代碼33.1 五子棋棋盤類 ChessBoard.java 33.2 棋子類 Point.java193.3 五子棋主框架類 StartChessJFrame.java 2 0四、總結26一、實踐目標1. 掌握JavaGUI界面設計2. 掌握鼠標事件的監(jiān)聽(MouseListener , MouseMotionListener)二、實踐內容設計一個簡單的五子棋程序，能夠實現(xiàn)五子棋下棋過程。如下圖所示單機版五子棋系統(tǒng)垂新開皆|退£|悔琨|三、實現(xiàn)代碼3.1五子棋棋盤類 ChessBoard

2、.javaimport javax.swi ng.*;/*五子棋-棋盤類*/public class ChessBoard exte nds JPa nel impleme nts MouseListe ner public static final int MARGIN=30;邊距public static final int GRID_SPAN=35;網格間距public static final int R0WS=15;棋盤行數public static final int C0LS=15;棋盤列數nullPoi nt chessList= new Poi nt(ROWS+1)*(COL

3、S+1);初始每個數組元素為boolean isBlack=true;默認開始是黑棋先boolea n gameOver=false;游戲是否結束int chessCou nt;當前棋盤棋子的個數int xI ndex,yl ndex;/當前剛下棋子的索引Image img;Image shadows;Color colortemp;public ChessBoard()/ setBackgro un d(Color.blue);/設置背景色為橘黃色img=Toolkit.getDefaultToolkit().getlmage("board.jpg"); shadows=

4、Toolkit.getDefaultToolkit().getlmage("shadows.jpg");addMouseListe ner(this);addMouseMoti on Liste ner(new MouseMoti on Liste ner()public void mouseDragged(MouseEve nt e)public void mouseMoved(MouseEve nt e)int x1=(e.getX()-MARGIN+GRID_SPAN/2)/GRID_SPAN;/將鼠標點擊的坐標位置轉成網格索引int y1=(e.getY()-MAR

5、GIN+GRID_SPAN/2)/GRID_SPAN;/游戲已經結束不能下/落在棋盤外不能下/x，y位置已經有棋子存在，不能下if(x1<0|x1>ROWS|y1<0|y1>COLS|gameOver|fi ndChess(x1,y1) setCursor( new Cursor(Cursor.DEFAULT_CURSOR);/設置成默認狀態(tài)else setCursor( new Cursor(Cursor.HAND_CURSOR););/繪制public void pain tComp onen t(Graphics g)super.pa in tComp onen

6、t(g);/畫棋盤int imgWidth= img.getWidth(this);int imgHeight=img.getHeight(this);獲得圖片的寬度與高度int FWidth=getWidth();int FHeight=getHeight();獲得窗口的寬度與高度int x=(FWidth-imgWidth)/2;int y=(FHeight-imgHeight)/2;g.drawlmage(img, x, y, nu II);for(i nt i=0;i<=ROWS;i+)畫橫線g.drawLi ne(MARGIN,MARGIN+i*GRID_SPAN,MARGIN

7、+COLS*GRID_SPAN,MARGIN+i*GRID_SPAN);for(i nt i=0;i<=COLS;i+)/畫豎線g.drawL in e(MARGIN+i*GRID_SPAN,MARGIN,MARGIN+i*GRID_SPAN,MARGIN+ROWS*GRID_SPAN);/畫棋子for(i nt i=0;i<chessCo un t;i+)/網格交叉點x, y坐標int xPos=chessListi.getX()*GRID_SPAN+MARGIN;int yPos=chessListi.getY()*GRID_SPAN+MARGIN;g.setColor(che

8、ssListi.getColor();設置顏色/ g.fillOval(xPos-Poi nt.DIAMETER/2, yPos-Poi nt.DIAMETER/2,/Poi nt.DIAMETER, Poi nt.DIAMETER);g.drawlmage(shadows,xPos-Poi nt.DIAMETER/2,yPos-Poi nt.DIAMETER/2,Poi nt.DIAMETER, Poi nt.DIAMETER, n ull);colortemp=chessListi.getColor();if(colortemp=Color.black)RadialGradie ntPai

9、 nt pai nt = new RadialGradie ntPa in t(xPos-Poi nt.DIAMETER/2+25, yPos-Point.DIAMETER/2+10, 20, new float0f, 1f,new ColorColor.WHITE, Color.BLACK);(Graphics2D) g).setPa in t(pai nt);(Graphics2D)g).setRe nderi ngHi nt(Re nderi ngHi nts.KEY_ANTIALIASING,Ren deri ngHi nts.VALUE_ANTIALIAS_ON);(Graphics

10、2D)g).setRe nderi ngHi nt(Re nderi ngHi nts.KEY_ALPHA_INTERPOLATION,Re nderi ngHi nts.VALUE_ALPHA_INTERPOLATION_DEFAULT);else if(colortemp=Color.white)RadialGradie ntPai nt pai nt = new RadialGradie ntPa in t(xPos-Poi nt.DIAMETER/2+25,yPos-Point.DIAMETER/2+10, 70, new floatOf, 1f,new ColorColor.WHIT

11、E, Color.BLACK);(Graphics2D) g).setPaint(paint);(Graphics2D)g).setRe nderi ngHi nt(Re nderi ngHi nts.KEY_ANTIALIASING,Ren deri ngHi nts.VALUE_ANTIALIAS_ON);(Graphics2D)g).setRe nderi ngHi nt(Re nderi ngHi nts.KEY_ALPHA_INTERPOLATION,Re nderi ngHi nts.VALUE_ALPHA_INTERPOLATION_DEFAULT);Ellipse2D e =

12、new Ellipse2D.FIoat(xPos-Poi nt.DIAMETER/2, yPos-Poi nt.DIAMETER/2,34, 35);(Graphics2D) g).fill(e);/標記最后一個棋子的紅矩形框if(i=chessCou nt-1)如果是最后一個棋子g.setColor(Color.red);g.drawRect(xPos-Poi nt.DIAMETER/2, yPos-Poi nt.DIAMETER/2,34, 35);public void mousePressed(MouseEve nt e)鼠標在組件上按下時調用/游戲結束時，不再能下if(gameOve

13、r) return;String colorName=isBlack?"黑棋":"白棋"/將鼠標點擊的坐標位置轉換成網格索引xln dex=(e.getX()-MARGIN+GRID_SPAN/2)/GRID_SPAN;yin dex=(e.getY()-MARGIN+GRID_SPAN/2)/GRID_SPAN;/落在棋盤外不能下if(xI ndex<0|xI ndex>ROWS|yl ndex<0|yl ndex>COLS)return;/如果x，y位置已經有棋子存在，不能下if(fin dChess(xI ndex,yI n

14、dex)return;/可以進行時的處理Point ch=new Poin t(x In dex, yin dex,isBlack?Color.black:Color.white);chessListchessCo un t+=ch;repai nt();通知系統(tǒng)重新繪制/如果勝出則給出提示信息，不能繼續(xù)下棋if(isWi n()", colorName);String msg=String.format(”恭喜，%s 贏了!JOpti onPan e.showMessageDialog(this, msg); gameOver=true;isBlack=!isBlack;/覆蓋mo

15、useListener 的方法public void mouseClicked(MouseEve nt e)/鼠標按鍵在組件上單擊時調用public void mouseE ntered(MouseEve nt e)/鼠標進入到組件上時調用public void mouseExited(MouseEve nt e)/鼠標離開組件時調用public void mouseReleased(MouseEve nt e)/鼠標按鈕在組件上釋放時調用/在棋子數組中查找是否有索引為x，y的棋子存在private boolean findChess(int x,int y)for(Po int c:ches

16、sList)if(c!=null &&c.getX()=x&&c.getY()=y)return true;return false;private boolea n isWi n()int con ti nueCou nt=1;連續(xù)棋子的個數/橫向向西尋找for(i nt x=x In dex-1;x>=0;x-)Color c=isBlack?Color.black:Color.white;if(getChess(x, yin dex,c)!=null)con ti nu eCo un t+;elsebreak;/橫向向東尋找for(i nt x=x

17、In dex+1;x<=C0LS;x+)Color c=isBlack?Color.black:Color.white;if(getChess(x, yin dex,c)!=null)con ti nu eCo un t+;elsebreak;if(con ti nu eCo un t>=5)return true;elsecon ti nu eCo un t=1;/繼續(xù)另一種搜索縱向/向上搜索for(i nt y=yln dex_1;y>=0;y_)Color c=isBlack?Color.black:Color.white;if(getChess(x in dex,y,

18、c)!=null)con ti nu eCo un t+;elsebreak;/縱向向下尋找for(i nt y=y In dex+1;y<=R0WS;y+)Color c=isBlack?Color.black:Color.white;if(getChess(x In dex,y,c)!=null)con ti nu eCo un t+;elsebreak;if(con ti nu eCo un t>=5)return true;elsecon ti nu eCo un t=1;/繼續(xù)另一種情況的搜索：斜向/東北尋找for(i nt x=xI ndex+1,y=yI ndex-1

19、;y>=0&& x<=COLS;x+,y-)Color c=isBlack?Color.black:Color.white;if(getChess(x,y,c)!=null)con ti nu eCo un t+;else break;/西南尋找for(i nt x=xI ndex-1,y=yl ndex+1;x>=0&&y<=ROWS;x-,y+)Color c=isBlack?Color.black:Color.white;if(getChess(x,y,c)!=null)con ti nu eCo un t+;else break;

20、if(con ti nu eCo un t>=5)return true;else continu eCo un t=1;/繼續(xù)另一種情況的搜索：斜向/西北尋找for(i nt x=x In dex-1,y=yIn dex-1;x>=0&&y>=0;x_,y_)Color c=isBlack?Color.black:Color.white;if(getChess(x,y,c)!=null)con ti nu eCo un t+;else break;/東南尋找for(i nt x=xI ndex+1,y=yl ndex+1;x<=COLS&&am

21、p; y<=ROWS;x+,y+)Color c=isBlack?Color.black:Color.white;if(getChess(x,y,c)!=null)con ti nu eCo un t+;else break;if(con ti nu eCo un t>=5)return true;else continu eCo un t=1;return false;private Point getChess(i nt xln dex,i nt yin dex,Color color) for(Po int p:chessList)if(p!=null&&p.

22、getX()=xl ndex&&p.getY()=yi ndex&&p.getColor()=color) return p;return nu II;public void restartGame()/清除棋子for(i nt i=O;i<chessList.le ngth;i+) chessListi=nu II;恢復游戲相關的變量值isBlack=true;gameOver=false; / 游戲是否結束 chessCou nt =0; / 當前棋盤棋子個數 repa in t();悔棋public void goback()if(chessCo u

23、n t=0)return ;chessListchessCo un t-1=n ull;chessCo un t-;if(chessCou nt>0)xln dex=chessListchessCo un t-1.getX();yin dex=chessListchessCo un t-1.getY();isBlack=!isBlack;repa in t();/ 矩形 Dimensionpublic Dime nsi on getPreferredSize()return new Dime nsio n(MARGIN*2+GRID_SPAN*COLS,MARGIN*2+GRID_SPA

24、N*ROWS);3.2 棋子類 Point.java*棋子類*/public class Point private int x;棋盤中的x索引private int y;棋盤中的y索引直徑private Color color;/ 顏色public static final int DIAMETER=30;public Poin t(i nt x,i nt y,Color color)this.x=x;this.y=y;this.color=color;public int getX()拿到棋盤中 x的索引return x;public in t getY()return y;public

25、Color getColor()獲得棋子的顏色retur n color;3.3 五子棋主框架類StartChessJFrame.javaimport javax.swi ng.*;/*五子棋主框架類，程序啟動類*/public class StartChessJFrame exte nds JFrame private ChessBoard chessBoard;private JPa nel toolbar;private JButton startButton,backButton,exitButton;private JMe nuBar men uBar;private JMe nu

26、sysMe nu;private JMe nultem startMe nultem,exitMe nultem,backMe nultem;/重新開始，退出，和悔棋菜單項public StartChessJFrame()setTitle(”單機版五子棋");/設置標題chessBoard=new ChessBoard();Container conten tPa ne=getC onten tPa ne();conten tPa ne.add(chessBoard);chessBoard.setOpaque(true);/創(chuàng)建和添加菜單men uBar =new JMe nuBar

27、(); 初始化菜單欄 sysMenu=new JMenu(” 系統(tǒng)");/ 初始化菜單/初始化菜單項startMenultem=new JMenultem(”重新開始");exitMenultem =new JMenultem(”退出");backMe nultem =new JMe nultem(”悔棋");/將三個菜單項添加到菜單上sysMe nu.add(startMe nultem);sysMe nu .add(exitMe nultem);sysMe nu .add(backMe nultem);/初始化按鈕事件監(jiān)聽器內部類MyltemList

28、e ner lis=new MyltemListe ner();/將三個菜單注冊到事件監(jiān)聽器上this.startMe nultem.addActio nListe ner(lis);backMe nultem.addActio nListe ner(lis);exitMe nultem.addActio nListe ner(lis);me nuBar.add(sysMe nu); 將系統(tǒng)菜單添加到菜單欄上 setJMenuBar(menuBar);/ 將 menuBar 設置為菜單欄toolbar= new JPa nel();工具面板實例化/三個按鈕初始化startButton=new JButton("重新開始");exitButton=new JButton(”退出");backButto n=new JButto n(”悔棋");/將工具面板按鈕用FlowLayou