java实现五子棋

java在初期就可以写一些简单的电脑小程序，使用GUI编程可以考验我们的代码能力

之后我会在出一个可能几万字的GUI编程入门，现在我们先看看五子棋，照片我放在最后

代码之后又详细解释

package 数字图像化处理AWT; import javax.imageio.ImageIO; import javax.swing.*; import java.awt.*; import java.awt.event.*; import java.awt.image.BufferedImage; import java.io.File; public class HMhong { //定义三个BufferedImage&#xff0c;分别代表棋盘图、黑子图、白子图 private BufferedImage table; private BufferedImage black; private BufferedImage white; //定义一个BufferedImage&#xff0c;代表当鼠标移动时将要下子的选择框 private BufferedImage selected; //定义棋盘的宽高&#xff0c;这里的定义尺寸和给定的board.jpg图片的尺寸一致因为棋盘背景是通过图片加载的 private final int TABLE_WIDTH &#61; 535; private final int TABLE_HEIGHT &#61; 536; //定义棋盘中&#xff0c;每行和每列可下子的数目&#xff0c;这个数目跟给定的board.jpg中的数目是一致的&#xff0c;都为15 private final int BOARD_SIZE &#61; 15; //定义每个棋子所占棋盘总宽度的大小比率&#xff1b;每个棋子所占宽度 535/15&#61;35 private final int RATE &#61; TABLE_WIDTH/BOARD_SIZE; //定义棋盘有效区域与背景图坐标之间的偏移值&#xff0c;x坐标右移5个像素&#xff0c;y坐标下移6个像素 private final int X_OFFSET &#61; 5; private final int Y_OFFSET &#61; 6; /* 定义一个二维数组充当棋盘上每个位置处的棋子&#xff1b; 该数组的索引与该棋子在棋盘上的坐标需要有一个对应关系&#xff1a; 例如&#xff1a; 索引[2][3]处的棋子&#xff0c;对一个的真实绘制坐标应该是&#xff1a; xpos &#61; 2*RATE&#43;X_OFFSET&#61;75; ypos &#61; 3*RATE&#43;Y_OFFSET&#61;111; */ private int[][] board &#61; new int[BOARD_SIZE][BOARD_SIZE];//如果存储0&#xff0c;代表没有棋子&#xff0c;如果存储1&#xff0c;代表黑棋&#xff0c;如果存储2&#xff0c;代表白棋 //定义五子棋游戏窗口 private JFrame f &#61; new JFrame(&#34;五子棋游戏&#34;); //定义五子棋游戏棋盘对应的Canvas组件 private class ChessBoard extends JPanel{ //重写paint方法&#xff0c;实现绘画 &#64;Override public void paint(Graphics g) { //绘制五子棋棋盘 g.drawImage(table,0,0,null); //绘制选中点的红框 if (selectX&gt;0 &amp;&amp; selectY&gt;0){ g.drawImage(selected,selectX*RATE&#43;X_OFFSET,selectY*RATE&#43;Y_OFFSET,null); } //遍历数组&#xff0c;绘制棋子 for (int i &#61; 0; i &lt; BOARD_SIZE; i&#43;&#43;) { for (int j &#61; 0; j &lt; BOARD_SIZE; j&#43;&#43;) { //绘制黑棋 if (board[i][j]&#61;&#61;1){ g.drawImage(black,i*RATE&#43;X_OFFSET,j*RATE&#43;Y_OFFSET,null); } //绘制白棋 if (board[i][j]&#61;&#61;2){ g.drawImage(white,i*RATE&#43;X_OFFSET,j*RATE&#43;Y_OFFSET,null); } } } } } private ChessBoard chessBoard &#61; new ChessBoard(); //定义变量&#xff0c;记录当前选中的坐标点对应的boad数组中对应的棋子索引&#xff1b; private int selectX &#61; -1; private int selectY &#61; -1; //定义一个变量&#xff0c;记录当前用户选择下的是白棋还是黑棋还是清除&#xff0c;清除&#xff1a;0&#xff0c;黑棋&#xff1a;1&#xff0c;白棋&#xff1a;2&#xff1b; private int chessCategory &#61; 1; //定义Panel,放置点击按钮 Panel p &#61; new Panel(); private Button whiteBtn &#61; new Button(&#34;while&#34;); private Button blackBtn &#61; new Button(&#34;black&#34;); private Button clearBtn &#61; new Button(&#34;clear&#34;); public void updateBtnColor(Color whiteBtnColor,Color blackBtnColor,Color clearBtnColor){ whiteBtn.setBackground(whiteBtnColor); blackBtn.setBackground(blackBtnColor); clearBtn.setBackground(clearBtnColor); } public void init() throws Exception{ //初始化按钮的颜色 updateBtnColor(Color.LIGHT_GRAY,Color.GREEN,Color.LIGHT_GRAY); whiteBtn.addActionListener(new ActionListener() { &#64;Override public void actionPerformed(ActionEvent e) { chessCategory &#61; 2; updateBtnColor(Color.GREEN,Color.LIGHT_GRAY,Color.LIGHT_GRAY); } }); blackBtn.addActionListener(new ActionListener() { &#64;Override public void actionPerformed(ActionEvent e) { chessCategory&#61;1; updateBtnColor(Color.LIGHT_GRAY,Color.GREEN,Color.LIGHT_GRAY); } }); clearBtn.addActionListener(new ActionListener() { &#64;Override public void actionPerformed(ActionEvent e) { chessCategory&#61;0; updateBtnColor(Color.LIGHT_GRAY,Color.LIGHT_GRAY,Color.GREEN); } }); p.add(whiteBtn); p.add(blackBtn); p.add(clearBtn); //把Panel放入到frame底部 f.add(p,BorderLayout.SOUTH); //初始化黑棋&#xff0c;白棋&#xff0c;棋盘,选中框 table &#61; ImageIO.read(new File(&#34;img\\board.jpg&#34;)); black &#61; ImageIO.read(new File(&#34;img\\black.gif&#34;)); white &#61; ImageIO.read(new File(&#34;img\\white.gif&#34;)); selected &#61; ImageIO.read(new File(&#34;img\\selected.gif&#34;)); //初始化board数组&#xff0c;默认情况下&#xff0c;所有位置处都没有棋子 for (int i &#61; 0; i &lt; BOARD_SIZE; i&#43;&#43;) { for (int j &#61; 0; j &lt; BOARD_SIZE; j&#43;&#43;) { board[i][j]&#61;0; } } //设置chessBoard的最佳大小 chessBoard.setPreferredSize(new Dimension(TABLE_WIDTH,TABLE_HEIGHT)); //给chessBoard注册鼠标监听器 chessBoard.addMouseListener(new MouseAdapter() { //鼠标单击会触发 &#64;Override public void mouseClicked(MouseEvent e) { //将用户鼠标的坐标&#xff0c;转换成棋子的坐标 int xPos &#61; (e.getX()-X_OFFSET)/RATE; int yPos &#61; (e.getY()-Y_OFFSET)/RATE; board[xPos][yPos] &#61; chessCategory; //重绘chessBoard chessBoard.repaint(); } //当鼠标退出棋盘区域后&#xff0c;复位选中坐标,重绘chessBoard&#xff0c;要保证红色选中框显示正确 &#64;Override public void mouseExited(MouseEvent e) { selectX&#61;-1; selectY&#61;-1; chessBoard.repaint(); } }); //给chessBoard注册鼠标移动监听器 chessBoard.addMouseMotionListener(new MouseMotionAdapter() { //当鼠标移动时&#xff0c;修正selectX和selectY&#xff0c;重绘chessBoard&#xff0c;要保证红色选中框显示正确 &#64;Override public void mouseMoved(MouseEvent e) { //将鼠标的坐标&#xff0c;转换成棋子的索引 selectX &#61; (e.getX()-X_OFFSET)/RATE; selectY &#61; (e.getY()-Y_OFFSET)/RATE; chessBoard.repaint(); } }); //把chessBoard添加到Frame中 f.add(chessBoard); //设置frame最佳大小并可见 f.pack(); f.setVisible(true); } public static void main(String[] args) throws Exception{ new Wu().init(); } }

package 数字图像化处理AWT; import javax.imageio.ImageIO; import javax.swing.*; import java.awt.*; import java.awt.event.*; import java.awt.image.BufferedImage; import java.io.File; public class HMhong { //定义三个BufferedImage，分别代表棋盘图、黑子图、白子图 private BufferedImage table; private BufferedImage black; private BufferedImage white; //定义一个BufferedImage，代表当鼠标移动时将要下子的选择框 private BufferedImage selected; //定义棋盘的宽高，这里的定义尺寸和给定的board.jpg图片的尺寸一致因为棋盘背景是通过图片加载的 private final int TABLE_WIDTH = 535; private final int TABLE_HEIGHT = 536; //定义棋盘中，每行和每列可下子的数目，这个数目跟给定的board.jpg中的数目是一致的，都为15 private final int BOARD_SIZE = 15; //定义每个棋子所占棋盘总宽度的大小比率；每个棋子所占宽度 535/15=35 private final int RATE = TABLE_WIDTH/BOARD_SIZE; //定义棋盘有效区域与背景图坐标之间的偏移值，x坐标右移5个像素，y坐标下移6个像素 private final int X_OFFSET = 5; private final int Y_OFFSET = 6; /* 定义一个二维数组充当棋盘上每个位置处的棋子； 该数组的索引与该棋子在棋盘上的坐标需要有一个对应关系： 例如： 索引[2][3]处的棋子，对一个的真实绘制坐标应该是： xpos = 2*RATE+X_OFFSET=75; ypos = 3*RATE+Y_OFFSET=111; */ private int[][] board = new int[BOARD_SIZE][BOARD_SIZE];//如果存储0，代表没有棋子，如果存储1，代表黑棋，如果存储2，代表白棋 //定义五子棋游戏窗口 private JFrame f = new JFrame("五子棋游戏"); //定义五子棋游戏棋盘对应的Canvas组件 private class ChessBoard extends JPanel{ //重写paint方法，实现绘画 @Override public void paint(Graphics g) { //绘制五子棋棋盘 g.drawImage(table,0,0,null); //绘制选中点的红框 if (selectX>0 && selectY>0){ g.drawImage(selected,selectX*RATE+X_OFFSET,selectY*RATE+Y_OFFSET,null); } //遍历数组，绘制棋子 for (int i = 0; i < BOARD_SIZE; i++) { for (int j = 0; j < BOARD_SIZE; j++) { //绘制黑棋 if (board[i][j]==1){ g.drawImage(black,i*RATE+X_OFFSET,j*RATE+Y_OFFSET,null); } //绘制白棋 if (board[i][j]==2){ g.drawImage(white,i*RATE+X_OFFSET,j*RATE+Y_OFFSET,null); } } } } } private ChessBoard chessBoard = new ChessBoard(); //定义变量，记录当前选中的坐标点对应的boad数组中对应的棋子索引； private int selectX = -1; private int selectY = -1; //定义一个变量，记录当前用户选择下的是白棋还是黑棋还是清除，清除：0，黑棋：1，白棋：2； private int chessCategory = 1; //定义Panel,放置点击按钮 Panel p = new Panel(); private Button whiteBtn = new Button("while"); private Button blackBtn = new Button("black"); private Button clearBtn = new Button("clear"); public void updateBtnColor(Color whiteBtnColor,Color blackBtnColor,Color clearBtnColor){ whiteBtn.setBackground(whiteBtnColor); blackBtn.setBackground(blackBtnColor); clearBtn.setBackground(clearBtnColor); } public void init() throws Exception{ //初始化按钮的颜色 updateBtnColor(Color.LIGHT_GRAY,Color.GREEN,Color.LIGHT_GRAY); whiteBtn.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { chessCategory = 2; updateBtnColor(Color.GREEN,Color.LIGHT_GRAY,Color.LIGHT_GRAY); } }); blackBtn.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { chessCategory=1; updateBtnColor(Color.LIGHT_GRAY,Color.GREEN,Color.LIGHT_GRAY); } }); clearBtn.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { chessCategory=0; updateBtnColor(Color.LIGHT_GRAY,Color.LIGHT_GRAY,Color.GREEN); } }); p.add(whiteBtn); p.add(blackBtn); p.add(clearBtn); //把Panel放入到frame底部 f.add(p,BorderLayout.SOUTH); //初始化黑棋，白棋，棋盘,选中框 table = ImageIO.read(new File("img\\board.jpg")); black = ImageIO.read(new File("img\\black.gif")); white = ImageIO.read(new File("img\\white.gif")); selected = ImageIO.read(new File("img\\selected.gif")); //初始化board数组，默认情况下，所有位置处都没有棋子 for (int i = 0; i < BOARD_SIZE; i++) { for (int j = 0; j < BOARD_SIZE; j++) { board[i][j]=0; } } //设置chessBoard的最佳大小 chessBoard.setPreferredSize(new Dimension(TABLE_WIDTH,TABLE_HEIGHT)); //给chessBoard注册鼠标监听器 chessBoard.addMouseListener(new MouseAdapter() { //鼠标单击会触发 @Override public void mouseClicked(MouseEvent e) { //将用户鼠标的坐标，转换成棋子的坐标 int xPos = (e.getX()-X_OFFSET)/RATE; int yPos = (e.getY()-Y_OFFSET)/RATE; board[xPos][yPos] = chessCategory; //重绘chessBoard chessBoard.repaint(); } //当鼠标退出棋盘区域后，复位选中坐标,重绘chessBoard，要保证红色选中框显示正确 @Override public void mouseExited(MouseEvent e) { selectX=-1; selectY=-1; chessBoard.repaint(); } }); //给chessBoard注册鼠标移动监听器 chessBoard.addMouseMotionListener(new MouseMotionAdapter() { //当鼠标移动时，修正selectX和selectY，重绘chessBoard，要保证红色选中框显示正确 @Override public void mouseMoved(MouseEvent e) { //将鼠标的坐标，转换成棋子的索引 selectX = (e.getX()-X_OFFSET)/RATE; selectY = (e.getY()-Y_OFFSET)/RATE; chessBoard.repaint(); } }); //把chessBoard添加到Frame中 f.add(chessBoard); //设置frame最佳大小并可见 f.pack(); f.setVisible(true); } public static void main(String[] args) throws Exception{ new Wu().init(); } }