用Java开发数独游戏，源程序与源代码全部开放

Java-数独游戏

引言
开始
代码
- SudokuMaker.java
- SodokuPlayer.java

引言

如何用Java语言开发出一个带有界面的数独游戏？

这篇文章将带你从零开始写出完整的游戏小项目。

游戏成品请进源程序试玩

开始

首先看下运行界面图

src目录是我们存放代码的地方，那么我们在该目录下新建一个目录名叫com，然后在com目录下新建新目录suduku，然后在里面新建两个类，分别是

SudokuMaker.java
SodokuPlayer.java

路径问题：比如说其中一个类的相对路径就是：

src/com/suduku/SudokuMaker.java

没错，这个游戏只需要两个类即可。

然后分别确定好各类的职责，SudokuMaker类负责数独数据的生成以及数独面板，SudokuPlayer类负责主界面以及交互。

首先，包名引入应该都是这样：

package com.suduku;

首先我是用Swing插件生成的界面代码，代码有些繁琐，但是很省事，所以尽量还是手打吧。

随机数独生成流程：

1.生成9*9空白数独数组
2.随机往数独数组填数
3.DFS生成数独标准解（即数独数组81个格子都填满数字）
4.先挖n个空，对挖完空的数独进行求解（全部）
5.将所有解与标准解进行对比，将不一样的地方记录下。这些地方不允许被被挖空

代码

SudokuMaker.java

package com.suduku;import java.awt.Color;
import java.awt.Font;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.Random;import javax.swing.BorderFactory;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JTextArea;/*生成随机数独* 流程：* 1.生成9*9空白数独数组* 2.随机往数独数组填数* 3.DFS生成数独标准解（即数独数组81个格子都填满数字）* 4.先挖n个空，对挖完空的数独进行求解（全部）* 5.将所有解与标准解进行对比，将不一样的地方记录下。这些地方不允许被被挖空*/
public class SudokuMaker {private int[][] Arr;//临时数组private int [][]Sudoku;private int [][]Answer;//答案private int [][]Game;public static void main(String arg[]){new UI();}public SudokuMaker( int grade ){this.Arr=new int[9][9];this.Sudoku=new int[9][9];this.Answer=new int[9][9];rand();DFS(Arr,0,false);diger( grade );
//      DevTools.showGame(Game);
//      DevTools.showAnswer(Answer);}private void rand(){int t=0;int x,y,num;//先往数组里面随机丢t个数while(t<15){//t不宜多，否则运行起来耗费时间；t也不宜少，否则生成的游戏看起来一点也不随机x=new Random().nextInt(9);y=new Random().nextInt(9);num=new Random().nextInt(9)+1;if(Arr[y][x]==0){if(isTrue(Arr,x,y,num)==true){Arr[y][x]=num;++t;}}}}//判断该数字填写的地方是否符合数独规则public static boolean isTrue(int arr[][],int x,int y,int num){//数字横坐标；数字纵坐标；数字数值//判断中单元格（3*3）for(int i=(y/3)*3;i<(y/3+1)*3;++i){for(int j=(x/3)*3;j<(x/3+1)*3;++j){if(arr[i][j]==num ){return false;}}}//判断横竖for(int i=0;i<9;++i){if((arr[i][x]==num || arr[y][i]==num)){return false;} }return true;}//深度优先搜索寻找//绝对有很多种解法，但是我们只需要第一个解出来的private boolean flag=false;//判断是否不再求解int total=0;private void DFS(int arr[][],int n,boolean all){//arr是数独数组，n是探索深度（一共81个格子，深度为81,n为0~80），是否要求全部解//n/9为格子的纵坐标，n%9为格子的横坐标if(n<81){//如果已经求出了一种解，终止递归就行了，不用继续求下去了if(flag==true && all==false){return;}if(arr[n/9][n%9]==0){for(int i=1;i<10;++i){if(isTrue(arr,n%9,n/9,i)==true){arr[n/9][n%9]=i;DFS(arr,n+1,all);arr[n/9][n%9]=0;}}}else{DFS(arr,n+1,all);}}else{if(all==false){flag=true;for(int i=0;i<9;++i){for(int j=0;j<9;++j){Sudoku[i][j]=arr[i][j];Answer[i][j]=arr[i][j];}}}else{for(int i=0;i<9;++i){for(int j=0;j<9;++j){if(arr[i][j]!=Answer[i][j]){Game[i][j]=Answer[i][j];i=10;j=10;break;}}}}}}/*** 根据等级返回挖空数* @param grade* @return*/private int getDigNumber( int grade ){int digNum = 20;switch (grade) {case 1:digNum = 20;break;case 2:digNum = 25;break;case 3:digNum = 30;break;case 4:digNum = 35;break;case 5:digNum = 40;break;case 6:digNum = 45;break;case 7:digNum = 50;break;case 8:digNum = 55;break;default: digNum = 20 ;break;}return digNum;}//给数独挖空//保证仅有一解private void diger( int grade ){int t=getDigNumber(grade);//55Game=new int[9][9];while(t>0){int x=new Random().nextInt(9);int y=new Random().nextInt(9);if(Sudoku[y][x]!=0){Sudoku[y][x]=0;--t;}}for(int i=0;i<9;++i){for(int j=0;j<9;++j){Game[i][j]=Sudoku[i][j];}}DFS(Sudoku,0,true);}//获取最终数独public int[][] getArr(){return this.Game;}//获取数独答案public int[][] getAnswer(){return this.Answer;}
}//游戏界面
class UI{private JFrame gameUI;private JLabel gameGrid;//数独81宫格private SudokuMaker game;//数独private JLabel[][] smallGrid;//数独小格子private UserEvents [][] mouseListen;//监听器public UI(){gameUI=new JFrame();gameUI.setVisible(true);gameUI.setLayout(null);gameUI.setSize(600,430);gameUI.setResizable(false);//不允许窗口最大化gameUI.setLocationRelativeTo(null);JButton bt1=new JButton("生成新数独");gameUI.add(bt1);bt1.setBounds(400,10,100,20);bt1.addActionListener(new OtherGameEvent());JButton bt2=new JButton("显示答案");gameUI.add(bt2);bt2.setBounds(400,110,100,20);bt2.addActionListener(new ShowAnswer());gameGrid=new JLabel();gameGrid.setBounds(10,10,365,365);gameUI.add(gameGrid);java.net.URL imgURL;try {imgURL = new URL("/image/grid.png");gameGrid.setIcon(new ImageIcon(imgURL));gameGrid.setOpaque(true);} catch (MalformedURLException e) {e.printStackTrace();}Font font=new Font("宋体",Font.BOLD,25);smallGrid=new JLabel[9][9];mouseListen=new UserEvents[9][9];for(int i=0;i<9;++i){for(int j=0;j<9;++j){smallGrid[i][j]=new JLabel("",JLabel.CENTER);gameGrid.add(smallGrid[i][j]);mouseListen[i][j]=new UserEvents(smallGrid[i][j],i,j,false);smallGrid[i][j].setFont(font);smallGrid[i][j].setBounds(j*40+1,i*40+1,40,40);smallGrid[i][j].addMouseListener(mouseListen[i][j]);}}newGame();}//新游戏private void newGame(){game=new SudokuMaker( 1 );int [][]gameArr=game.getArr();for(int i=0;i<9;++i){for(int j=0;j<9;++j){if(gameArr[i][j]!=0){    smallGrid[i][j].setText(gameArr[i][j]+"");mouseListen[i][j].setUse(false);smallGrid[i][j].setForeground(Color.black);}else{smallGrid[i][j].setText(null);mouseListen[i][j].setUse(true);}}}}private class ShowAnswer implements ActionListener{@Overridepublic void actionPerformed(ActionEvent arg0) {// TODO Auto-generated method stubfor(int i=0;i<9;++i){for(int j=0;j<9;++j){if(mouseListen[i][j].getUse()==true){smallGrid[i][j].setText(game.getAnswer()[i][j]+"");smallGrid[i][j].setForeground(Color.BLUE);mouseListen[i][j].setUse(false);}}}}}private class OtherGameEvent implements ActionListener{@Overridepublic void actionPerformed(ActionEvent arg0) {// TODO Auto-generated method stubnewGame();}}private class UserEvents implements MouseListener{private JTextArea jta;private JLabel focus;//聚焦private int gridX;private int gridY;private boolean isUse;//是否开启事件public UserEvents(JLabel f,int y,int x,boolean u){focus=f;gridX=x;gridY=y;isUse=u;jta=new JTextArea();jta.setBounds(5,5,30,30);jta.setVisible(false);jta.setOpaque(false);jta.setFont(new Font("宋体",Font.BOLD,25));focus.add(jta);}@Overridepublic void mouseClicked(MouseEvent arg0) {// TODO Auto-generated method stubif(isUse==true){focus.setBorder(BorderFactory.createLineBorder(Color.red,5));jta.setVisible(true);focus.setText(null);}}@Overridepublic void mouseEntered(MouseEvent arg0) {// TODO Auto-generated method stub}@Overridepublic void mouseExited(MouseEvent arg0) {// TODO Auto-generated method stubint X=arg0.getX(),Y=arg0.getY();if(isUse==true){if(X<=0 || X>=40 || Y<=0 || Y>=40){focus.setBorder(BorderFactory.createLineBorder(Color.red,0));try{int t=new Integer(jta.getText());if(t>0 && t<10){game.getArr()[gridY][gridX]=0;if(SudokuMaker.isTrue(game.getArr(), gridX, gridY, t)==true){focus.setForeground(Color.green);}else{focus.setForeground(Color.red);}game.getArr()[gridY][gridX]=t;}focus.setText(jta.getText());}catch(Exception e){jta.setText(null);}jta.setVisible(false);}}}@Overridepublic void mousePressed(MouseEvent arg0) {// TODO Auto-generated method stubif(this.isUse==true){focus.setBorder(BorderFactory.createLineBorder(Color.red,5));}}@Overridepublic void mouseReleased(MouseEvent arg0) {// TODO Auto-generated method stub}public void setUse(boolean u){this.isUse=u;if(u==true){jta.setText(null);}else{focus.setBorder(BorderFactory.createLineBorder(Color.red,0));}}public boolean getUse(){return isUse;}}}class Main {//测试方法public static void main(String arg[]){new UI();}
}//开发工具包
class DevTools{public static void showAnswer(int arr[][]){System.out.println("\n答案：");for(int i[]:arr){for(int j:i){System.out.print(j);}System.out.println();}System.out.println();}public static void showGame(int arr[][]){System.out.println("\n题目：");int total=0;for(int i[]:arr){for(int j:i){System.out.print(j);if(j==0){++total;}}System.out.println();}System.out.println("挖空数："+total);}
}

SodokuPlayer.java

package com.suduku;import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.EventQueue;
import java.awt.Font;
import java.awt.GridLayout;
import java.awt.SystemColor;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.FocusEvent;
import java.awt.event.FocusListener;
import java.util.Timer;
import java.util.TimerTask;import javax.swing.BorderFactory;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.UIManager;
import javax.swing.border.Border;
import javax.swing.JTextArea;public class SudokuPlayer extends JFrame {/*** 数独游戏*/private static final long serialVersionUID = 1L;private JPanel contentPane;private JTextField textField;JTextArea textArea; // 答对提示文本框private JTextField[][] numberFields;private JButton[] setNumButtons;JButton lastButton; // 上一关JButton nextButton; // 下一关JButton changeButton; // 换一题JButton answerButton; // 显示答案JButton resetButton; // 重新开始JLabel diffLabel; // 难度标签JLabel timeLabel; // 时间标签private SudokuMaker gameMaker;// 数独Color green = new Color(93, 200, 138);Color pink = new Color(255, 123, 168);Color blue = new Color(102, 183, 255);Color red = new Color(211, 48, 48);Color lightGray = new Color(217, 217, 217);int[][] sudokuArray;// 成型的数独数组int selectX = 10; // 上锁int selectY = 10;int grade = 1;// 难度等级Timer timer;TimerTask task;/*** Launch the application.*/public static void main(String[] args) {EventQueue.invokeLater(new Runnable() {public void run() {try {//                  org.jb2011.lnf.beautyeye.BeautyEyeLNFHelper.launchBeautyEyeLNF();
//                  UIManager.put("RootPane.setupButtonVisible", false);SudokuPlayer frame = new SudokuPlayer();frame.setVisible(true);} catch (Exception e) {e.printStackTrace();}}});}/*** Create the frame.*/public SudokuPlayer() {setTitle("\u6570\u72EC\u6E38\u620F");setResizable(false);setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);setBounds(400, 0, 1100, 1000);contentPane = new JPanel();contentPane.setBackground(SystemColor.control);contentPane.setBorder(null);setContentPane(contentPane);contentPane.setLayout(new BorderLayout(0, 0));JPanel bodyPanel = new JPanel();bodyPanel.setBackground(Color.WHITE);contentPane.add(bodyPanel, BorderLayout.CENTER);bodyPanel.setLayout(new GridLayout(9, 9, 0, 0));JPanel bottomPanel = new JPanel();bottomPanel.setBackground(green);bottomPanel.setPreferredSize(new Dimension(1333, 100));contentPane.add(bottomPanel, BorderLayout.SOUTH);bottomPanel.setLayout(new GridLayout(0, 10, 0, 0));JPanel rightPanel = new JPanel();rightPanel.setBackground(new Color(230, 230, 230));rightPanel.setPreferredSize(new Dimension(200, 789));contentPane.add(rightPanel, BorderLayout.EAST);rightPanel.setLayout(null);timeLabel = new JLabel("00:00");timeLabel.setFont(new Font("微软雅黑", Font.PLAIN, 30));timeLabel.setBounds(60, 485, 90, 50);rightPanel.add(timeLabel);lastButton = new JButton("\u4E0A\u4E00\u5173");lastButton.setEnabled(false);lastButton.setFont(new Font("微软雅黑", Font.PLAIN, 25));lastButton.setBackground(lightGray);lastButton.setForeground(Color.BLACK);lastButton.setFocusPainted(false);lastButton.setBounds(47, 150, 112, 50);lastButton.addActionListener(new FunctionActionListener());rightPanel.add(lastButton);answerButton = new JButton("\u7B54\u6848");answerButton.setFont(new Font("微软雅黑", Font.PLAIN, 25));answerButton.setBackground(lightGray);answerButton.setForeground(Color.BLACK);answerButton.setFocusPainted(false);answerButton.setBounds(47, 420, 112, 50);answerButton.addActionListener(new FunctionActionListener());rightPanel.add(answerButton);nextButton = new JButton("\u4E0B\u4E00\u5173");nextButton.setFont(new Font("微软雅黑", Font.PLAIN, 25));nextButton.setBackground(lightGray);nextButton.setForeground(Color.BLACK);nextButton.setFocusPainted(false);nextButton.setBounds(47, 222, 112, 50);nextButton.addActionListener(new FunctionActionListener());rightPanel.add(nextButton);changeButton = new JButton("\u6362\u4E00\u9898");changeButton.setFont(new Font("微软雅黑", Font.PLAIN, 25));changeButton.setBackground(lightGray);changeButton.setForeground(Color.BLACK);changeButton.setFocusPainted(false);changeButton.setBounds(47, 287, 112, 50);changeButton.addActionListener(new FunctionActionListener());rightPanel.add(changeButton);diffLabel = new JLabel("\u96BE\u5EA6:1");diffLabel.setFont(new Font("微软雅黑", Font.PLAIN, 30));diffLabel.setBounds(60, 64, 90, 50);rightPanel.add(diffLabel);resetButton = new JButton("\u91CD\u73A9");resetButton.setForeground(Color.BLACK);resetButton.setFont(new Font("微软雅黑", Font.PLAIN, 25));resetButton.setFocusPainted(false);resetButton.setBackground(new Color(217, 217, 217));resetButton.setBounds(47, 355, 112, 50);resetButton.addActionListener(new FunctionActionListener());rightPanel.add(resetButton);textArea = new JTextArea();textArea.setOpaque(false);textArea.setVisible(false);textArea.setText("\u606D\u559C,\u5168\u90E8\u7B54\u5BF9!");textArea.setFont(new Font("微软雅黑", Font.PLAIN, 25));textArea.setBounds(15, 564, 170, 146);rightPanel.add(textArea);Border centernBorder = BorderFactory.createMatteBorder(1, 1, 1, 1, Color.GRAY);Border rightAndBottomBorder = BorderFactory.createMatteBorder(1, 1, 4, 4, Color.GRAY);Border bottomBorder = BorderFactory.createMatteBorder(1, 1, 4, 1, Color.GRAY);Border rightBorder = BorderFactory.createMatteBorder(1, 1, 1, 4, Color.GRAY);numberFields = new JTextField[9][9];for (int i = 0; i < 9; i++) {for (int j = 0; j < 9; j++) {numberFields[i][j] = new JTextField(Integer.toString(i) + "  " + Integer.toString(j));numberFields[i][j].setEditable(false);numberFields[i][j].setFont(new Font("微软雅黑", Font.BOLD, 35));numberFields[i][j].setHorizontalAlignment(JTextField.CENTER);numberFields[i][j].setBackground(Color.WHITE);numberFields[i][j].setForeground(Color.BLACK);if (i == 2 && j == 2 || i == 2 && j == 5 || i == 5 && j == 2 || i == 5 && j == 5) {numberFields[i][j].setBorder(rightAndBottomBorder);} else if (j == 2 || j == 5) {numberFields[i][j].setBorder(rightBorder);} else if (i == 2 || i == 5) {numberFields[i][j].setBorder(bottomBorder);} else {numberFields[i][j].setBorder(centernBorder);}numberFields[i][j].addFocusListener(new TextFocusHandle());numberFields[i][j].setName(Integer.toString(i) + Integer.toString(j));bodyPanel.add(numberFields[i][j]);}}newGame(grade);setNumButtons = new JButton[10];for (int i = 0; i < 10; i++) {if (i == 9) {setNumButtons[i] = new JButton("清除");setNumButtons[i].addActionListener(new ClearNumberActionListener());} else {setNumButtons[i] = new JButton(Integer.toString(i + 1));setNumButtons[i].addActionListener(new PutNumberActionListener());}setNumButtons[i].setFont(new Font("微软雅黑", Font.PLAIN, 35));setNumButtons[i].setBackground(green);setNumButtons[i].setForeground(Color.WHITE);setNumButtons[i].setFocusPainted(false);bottomPanel.add(setNumButtons[i]);}timer = new Timer();task = new TimerTask() {int count = 1;@Overridepublic void run() {timeLabel.setText(getFormattime(count));count++;}};timer.schedule(task, 1000L, 1000L); // 开始游戏时自动计时}/*** 开始新游戏*/private void newGame(int grade) {gameMaker = new SudokuMaker(grade);sudokuArray = gameMaker.getArr();for (int i = 0; i < 9; ++i) {for (int j = 0; j < 9; ++j) {numberFields[i][j].setBackground(Color.WHITE);numberFields[i][j].setForeground(Color.BLACK);if (sudokuArray[i][j] != 0) {numberFields[i][j].setText(Integer.toString(sudokuArray[i][j]));numberFields[i][j].setBackground(lightGray);// mouseListen[i][j].setUse(false);} else {numberFields[i][j].setText(null);numberFields[i][j].setBackground(Color.WHITE);numberFields[i][j].setForeground(Color.BLUE);// mouseListen[i][j].setUse(true);}}}}/*** 将时间格式化输出例如将120秒转换为02:00的字符串* * @param count* @return*/public static String getFormattime(int count) {String second = null;String minute = null;if (count / 60 < 10) {minute = "0" + (count / 60);} else {minute = "" + (count / 60);}if (count % 60 < 10) {second = ":0" + count % 60;} else {second = ":" + count % 60;}return minute + second;}/*** 重新计时*/public void restartTimer() {timer.cancel();timeLabel.setText("00:00");textArea.setVisible(false);timer = new Timer();task = new TimerTask() {int count = 1;@Overridepublic void run() {timeLabel.setText(getFormattime(count));count++;}};timer.schedule(task, 1000L, 1000L);}/*** 检测是否填对所有数字*/public boolean chickAllright() {for (int i = 0; i < 9; ++i) {for (int j = 0; j < 9; ++j) {if (!numberFields[i][j].getText().equals(Integer.toString(gameMaker.getAnswer()[i][j]))) {return false;}}}return true;}/*** 检查填数是否符合正确格式*/public void wrrongNumber() {for (int i = (selectX / 3) * 3; i < (selectX / 3 + 1) * 3; ++i) {for (int j = (selectY / 3) * 3; j < (selectY / 3 + 1) * 3; ++j) {if (numberFields[selectX][selectY].getText().equals(numberFields[i][j].getText()) && selectX != i&& selectY != j) {numberFields[selectX][selectY].setBackground(red);numberFields[i][j].setBackground(red);}}}for (int i = 0; i < 9; ++i) {if (numberFields[selectX][selectY].getText().equals(numberFields[selectX][i].getText()) && selectY != i) {numberFields[selectX][selectY].setBackground(red);numberFields[selectX][i].setBackground(red);}if (numberFields[selectX][selectY].getText().equals(numberFields[i][selectY].getText()) && selectX != i) {numberFields[selectX][selectY].setBackground(red);numberFields[i][selectY].setBackground(red);}}}/*** 回复初始颜色*/public void reAllColor() {for (int i = 0; i < 9; ++i) {for (int j = 0; j < 9; ++j) {if (sudokuArray[i][j] == 0) {numberFields[i][j].setBackground(Color.WHITE);} else {numberFields[i][j].setBackground(lightGray);}}}}/*** 检查全部方格,有相同的就错误提示*/public void chickAllWrrongNumber() {for (int i = 0; i < 9; ++i) {for (int j = 0; j < 9; ++j) {for (int row1 = (i / 3) * 3; row1 < (i / 3 + 1) * 3; ++row1) {for (int colum1 = (j / 3) * 3; colum1 < (j / 3 + 1) * 3; ++colum1) {if (numberFields[row1][colum1].getText().equals(numberFields[i][j].getText()) && row1 != i&& colum1 != j && !numberFields[i][j].getText().equals("")) {numberFields[row1][colum1].setBackground(red);numberFields[i][j].setBackground(red);}}}for (int i1 = 0; i1 < 9; ++i1) {if (numberFields[i][j].getText().equals(numberFields[i][i1].getText()) && j != i1&& !numberFields[i][j].getText().equals("")) {numberFields[i][j].setBackground(red);numberFields[i][i1].setBackground(red);}if (numberFields[i][j].getText().equals(numberFields[i1][j].getText()) && i != i1&& !numberFields[i][j].getText().equals("")) {numberFields[i][j].setBackground(red);numberFields[i1][j].setBackground(red);}}}}}/*** 文本框焦点失去、获取事件* * @author Jack**/class TextFocusHandle implements FocusListener {@Overridepublic void focusGained(FocusEvent e) {// 获得焦点JTextField field = (JTextField) e.getSource();sameNumber(field, numberFields);}@Overridepublic void focusLost(FocusEvent e) {// 失去焦点for (int i = 0; i < 9; ++i) {for (int j = 0; j < 9; ++j) {numberFields[i][j].setForeground(Color.BLACK);if (sudokuArray[i][j] != 0) {numberFields[i][j].setBackground(lightGray);} else {numberFields[i][j].setBackground(Color.WHITE);numberFields[i][j].setForeground(Color.BLUE);}for (int row = (i / 3) * 3; row < (i / 3 + 1) * 3; ++row) {for (int colum = (j / 3) * 3; colum < (j / 3 + 1) * 3; ++colum) {if (numberFields[row][colum].getText().equals(numberFields[i][j].getText()) && row != i&& colum != j && !numberFields[i][j].getText().equals("")) {numberFields[row][colum].setBackground(red);numberFields[i][j].setBackground(red);}}}}}}/*** 对数据进行上锁解锁,并设置所选单元格所在的九宫格与行列颜色* * @param field* @param fields*/public void sameNumber(JTextField field, JTextField[][] fields) {String name = field.getName();int row = Integer.parseInt(name.substring(0, 1));int colum = Integer.parseInt(name.substring(1));String number = field.getText();if (sudokuArray[row][colum] != 0) {selectX = 10; // 预置数上锁selectY = 10;} else {selectX = row; // 挖空的方格可以解锁selectY = colum;}if (!number.equals("")) { // 所选方格不为空for (int i = 0; i < 9; ++i) {for (int j = 0; j < 9; ++j) {if (fields[i][j].getText().equals(number)) {fields[i][j].setBackground(pink);}}}chickAllWrrongNumber();} else {for (int i = 0; i < 9; i++) {numberFields[row][i].setBackground(blue);numberFields[row][i].setForeground(Color.WHITE);numberFields[i][colum].setBackground(blue);numberFields[i][colum].setForeground(Color.WHITE);}for (int i = (row / 3) * 3; i < (row / 3 + 1) * 3; ++i) {for (int j = (colum / 3) * 3; j < (colum / 3 + 1) * 3; ++j) {numberFields[i][j].setBackground(blue);numberFields[i][j].setForeground(Color.WHITE);}}field.setBackground(green);field.setForeground(Color.WHITE);chickAllWrrongNumber();}}}/*** 填数按钮事件监听器* * @author Jack**/class PutNumberActionListener implements ActionListener {@Overridepublic void actionPerformed(ActionEvent e) {JButton numButton = (JButton) e.getSource();reAllColor();if (selectX != 10 && selectY != 10) {numberFields[selectX][selectY].setText(numButton.getText());// wrrongNumber();chickAllWrrongNumber();if (chickAllright()) {// 如果全部填对timer.cancel();textArea.setVisible(true);} else {textArea.setVisible(false);}}selectX = 10; // 预置数上锁selectY = 10;}}/*** 清除填数按钮事件* * @author Jack**/class ClearNumberActionListener implements ActionListener {@Overridepublic void actionPerformed(ActionEvent e) {reAllColor();if (selectX != 10 && selectY != 10) {numberFields[selectX][selectY].setText(null);chickAllWrrongNumber();}selectX = 10; // 预置数上锁selectY = 10;}}/*** 功能按钮事件监听器* * @author Jack**/class FunctionActionListener implements ActionListener {@Overridepublic void actionPerformed(ActionEvent e) {if (e.getSource() == changeButton) {newGame(grade);restartTimer();}if (e.getSource() == lastButton) {if (grade >= 1) {grade--;newGame(grade);diffLabel.setText("难度:" + grade);nextButton.setEnabled(true);if (grade == 1) {lastButton.setEnabled(false);}restartTimer();}}if (e.getSource() == nextButton) {if (grade <= 8) {grade++;newGame(grade);diffLabel.setText("难度:" + grade);lastButton.setEnabled(true);if (grade == 8) {nextButton.setEnabled(false);}restartTimer();}}if (e.getSource() == resetButton) {for (int i = 0; i < 9; ++i) {for (int j = 0; j < 9; ++j) {numberFields[i][j].setBackground(Color.WHITE);numberFields[i][j].setForeground(Color.BLACK);if (sudokuArray[i][j] != 0) {numberFields[i][j].setText(Integer.toString(sudokuArray[i][j]));numberFields[i][j].setBackground(lightGray);} else {numberFields[i][j].setText(null);numberFields[i][j].setBackground(Color.WHITE);numberFields[i][j].setForeground(Color.BLUE);}}}restartTimer();}if (e.getSource() == answerButton) {int[][] answer = gameMaker.getAnswer();for (int i = 0; i < 9; ++i) {for (int j = 0; j < 9; ++j) {numberFields[i][j].setBackground(Color.WHITE);numberFields[i][j].setForeground(Color.BLACK);numberFields[i][j].setText(Integer.toString(answer[i][j]));if (sudokuArray[i][j] != 0) {numberFields[i][j].setBackground(lightGray);} else {numberFields[i][j].setBackground(Color.WHITE);numberFields[i][j].setForeground(Color.BLUE);}}}timer.cancel();}}}
}

好的，以上便是两个类的全部代码，如果有疑问欢迎交流，可以直接评论，我看到后会回复的

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用Java开发数独游戏，源程序与源代码全部开放

Java-数独游戏

引言

开始

代码

SudokuMaker.java

SodokuPlayer.java

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