public class ShuDu {
static int[][] n = new int[9][9];
static int[] num = {1,2,3,4,5,6,7,8,9};
public static void main(String[] args) {
//生成数字
for(int i = 0;i < 9;i++){
//尝试填充的数字次数
int time = 0;
//填充数字
for(int j = 0;j < 9;j++){
//产生数字
n[i][j] = generateNum(time);
//如果返回值为0，则代表卡住，退回处理
//退回处理的原则是：如果不是第一列，则先倒退到前一列，否则倒退到前一行的最后一列
if(n[i][j] == 0){
//不是第一列，则倒退一列
if(j > 0){
j-=2;
continue;
}else{//是第一列，则倒退到上一行的最后一列
i--;
j = 8;
continue;
}
}
//填充成功
if(isCorret(i,j)){
//初始化time，为下一次填充做准备
time = 0;
}else{ //继续填充
//次数增加1
time++;
//继续填充当前格
j--;
}
}
}
//输出结果
for(int i = 0;i < 9;i++){
for(int j = 0;j < 9;j++){
System.out.print(n[i][j] + " ");
}
System.out.println();
}
}
public static boolean isCorret(int row,int col){
return (checkRow(row) & checkLine(col) & checkNine(row,col));
}
public static boolean checkRow(int row){
for(int j = 0;j < 8;j++){
if(n[row][j] == 0){
continue;
}
for(int k =j + 1;k< 9;k++){
if(n[row][j] == n[row][k]){
return false;
}
}
}
return true;
}
public static boolean checkLine(int col){
for(int j = 0;j < 8;j++){
if(n[j][col] == 0){
continue;
}
for(int k =j + 1;k< 9;k++){
if(n[j][col] == n[k][col]){
return false;
}
}
}
return true;
}
public static boolean checkNine(int row,int col){
//获得左上角的坐标
int j = row / 3 * 3;
int k = col /3 * 3;
//循环比较
for(int i = 0;i < 8;i++){
if(n[j + i/3][k + i % 3] == 0){
continue;
}
for(int m = i+ 1;m < 9;m++){
if(n[j + i/3][k + i % 3] == n[j + m/3][k + m % 3]){
return false;
}
}
}
return true;
}
public static int generateNum(int time){
//第一次尝试时，初始化随机数字源数组
if(time == 0){
for(int i = 0;i < 9;i++){
num[i] = i + 1;
}
}
//第10次填充，表明该位置已经卡住，则返回0，由主程序处理退回
if(time == 9){
return 0;
}
//不是第一次填充
//生成随机数字，该数字是数组的下标，取数组num中该下标对应的数字为随机数字
int ranNum = (int)(Math.random() * (9 - time));
//把数字放置在数组倒数第time个位置，
int temp = num[8 - time];
num[8 - time] = num[ranNum];
num[ranNum] = temp;
//返回数字
return num[8 - time];
}
}
跪求游戏java源代码
用MVC方式实现的贪吃蛇游戏，共有4个类。运行GreedSnake运行即可。主要是观察者模式的使用，我已经添加了很多注释了。
1、
package mvcTest;
public class GreedSnake {
public static void main(String[] args) {
SnakeModel model = new SnakeModel(20,30);
SnakeControl control = new SnakeControl(model);
SnakeView view = new SnakeView(model,control);
//添加一个观察者，让view成为model的观察者
model.addObserver(view);
(new Thread(model)).start();
}
}
-------------------------------------------------------------
2、
package mvcTest;
//SnakeControl.java
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
public class SnakeControl implements KeyListener{
SnakeModel model;
public SnakeControl(SnakeModel model){
this.model = model;
}
public void keyPressed(KeyEvent e) {
int keyCode = e.getKeyCode();
if (model.running){ // 运行状态下，处理的按键
switch (keyCode) {
case KeyEvent.VK_UP:
model.changeDirection(SnakeModel.UP);
break;
case KeyEvent.VK_DOWN:
model.changeDirection(SnakeModel.DOWN);
break;
case KeyEvent.VK_LEFT:
model.changeDirection(SnakeModel.LEFT);
break;
case KeyEvent.VK_RIGHT:
model.changeDirection(SnakeModel.RIGHT);
break;
case KeyEvent.VK_ADD:
case KeyEvent.VK_PAGE_UP:
model.speedUp();
break;
case KeyEvent.VK_SUBTRACT:
case KeyEvent.VK_PAGE_DOWN:
model.speedDown();
break;
case KeyEvent.VK_SPACE:
case KeyEvent.VK_P:
model.changePauseState();
break;
default:
}
}
// 任何情况下处理的按键，按键导致重新启动游戏
if (keyCode == KeyEvent.VK_R ||
keyCode == KeyEvent.VK_S ||
keyCode == KeyEvent.VK_ENTER) {
model.reset();
}
}
public void keyReleased(KeyEvent e) {
}
public void keyTyped(KeyEvent e) {
}
}
-------------------------------------------------------------
3、
package mvcTest;
//SnakeModel.java
import javax.swing.*;
import java.util.Arrays;
import java.util.linkedList;
import java.util.Observable;
import java.util.Random;
class SnakeModel extends Observable implements Runnable {
boolean[][] matrix; // 指示位置上有没蛇体或食物
linkedList nodeArray = new linkedList(); // 蛇体
Node food;
int maxX;
int maxY;
int direction = 2; // 蛇运行的方向
boolean running = false; // 运行状态
int timeInterval = 200; // 时间间隔，毫秒
double speedChangeRate = 0.75; // 每次得速度变化率
boolean paused = false; // 暂停标志
int score = 0; // 得分
int countMove = 0; // 吃到食物前移动的次数
// UP and DOWN should be even
// RIGHT and LEFT should be odd
public static final int UP = 2;
public static final int DOWN = 4;
public static final int LEFT = 1;
public static final int RIGHT = 3;
public SnakeModel( int maxX, int maxY) {
this.maxX = maxX;
this.maxY = maxY;
reset();
}
public void reset(){
direction = SnakeModel.UP; // 蛇运行的方向
timeInterval = 200; // 时间间隔，毫秒
paused = false; // 暂停标志
score = 0; // 得分
countMove = 0; // 吃到食物前移动的次数
// initial matirx, 全部清0
matrix = new boolean[maxX][];
for (int i = 0; i < maxX; ++i) {
matrix[i] = new boolean[maxY];
Arrays.fill(matrix[i], false);
}
// initial the snake
// 初始化蛇体，如果横向位置超过20个，长度为10，否则为横向位置的一半
int initArrayLength = maxX > 20 ? 10 : maxX / 2;
nodeArray.clear();
for (int i = 0; i < initArrayLength; ++i) {
int x = maxX / 2 + i;//maxX被初始化为20
int y = maxY / 2; //maxY被初始化为30
//nodeArray[x,y]: [10,15]-[11,15]-[12，15]~~[20,15]
//默认的运行方向向上，所以游戏一开始nodeArray就变为：
// [10，14]-[10，15]-[11，15]-[12，15]~~[19，15]
nodeArray.addLast(new Node(x, y));
matrix[x][y] = true;
}
// 创建食物
food = createFood();
matrix[food.x][food.y] = true;
}
public void changeDirection(int newDirection) {
// 改变的方向不能与原来方向同向或反向
if (direction % 2 != newDirection % 2) {
direction = newDirection;
}
}
public boolean moveOn() {
Node n = (Node) nodeArray.getFirst();
int x = n.x;
int y = n.y;
// 根据方向增减坐标值
switch (direction) {
case UP:
y--;
break;
case DOWN:
y++;
break;
case LEFT:
x--;
break;
case RIGHT:
x++;
break;
}
// 如果新坐标落在有效范围内，则进行处理
if ((0 <= x && x < maxX) && (0 <= y && y < maxY)) {
if (matrix[x][y]) { // 如果新坐标的点上有东西（蛇体或者食物）
if (x == food.x && y == food.y) { // 吃到食物，成功
nodeArray.addFirst(food); // 从蛇头赠长
// 分数规则，与移动改变方向的次数和速度两个元素有关
int scoreGet = (10000 - 200 * countMove) / timeInterval;
score += scoreGet > 0 ? scoreGet : 10;
countMove = 0;
food = createFood(); // 创建新的食物
matrix[food.x][food.y] = true; // 设置食物所在位置
return true;
} else // 吃到蛇体自身，失败
return false;
} else { // 如果新坐标的点上没有东西（蛇体），移动蛇体
nodeArray.addFirst(new Node(x, y));
matrix[x][y] = true;
n = (Node) nodeArray.removeLast();
matrix[n.x][n.y] = false;
countMove++;
return true;
}
}
return false; // 触到边线，失败
}
public void run() {
running = true;
while (running) {
try {
Thread.sleep(timeInterval);
} catch (Exception e) {
break;
}
if (!paused) {
if (moveOn()) {
setChanged(); // Model通知View数据已经更新
notifyObservers();
} else {
JOptionPane.showMessageDialog(null,
"you failed",
"Game Over",
JOptionPane.INFORMATION_MESSAGE);
break;
}
}
}
running = false;
}
private Node createFood() {
int x = 0;
int y = 0;
// 随机获取一个有效区域内的与蛇体和食物不重叠的位置
do {
Random r = new Random();
x = r.nextInt(maxX);
y = r.nextInt(maxY);
} while (matrix[x][y]);
return new Node(x, y);
}
public void speedUp() {
timeInterval *= speedChangeRate;
}
public void speedDown() {
timeInterval /= speedChangeRate;
}
public void changePauseState() {
paused = !paused;
}
public String toString() {
String result = "";
for (int i = 0; i < nodeArray.size(); ++i) {
Node n = (Node) nodeArray.get(i);
result += "[" + n.x + "," + n.y + "]";
}
return result;
}
}
class Node {
int x;
int y;
Node(int x, int y) {
this.x = x;
this.y = y;
}
}
------------------------------------------------------------
4、
package mvcTest;
//SnakeView.java
import javax.swing.*;
import java.awt.*;
import java.util.Iterator;
import java.util.linkedList;
import java.util.Observable;
import java.util.Observer;
public class SnakeView implements Observer {
SnakeControl control = null;
SnakeModel model = null;
Jframe mainframe;
Canvas paintCanvas;
JLabel labelScore;
public static final int canvasWidth = 200;
public static final int canvasHeight = 300;
public static final int nodeWidth = 10;
public static final int nodeHeight = 10;
public SnakeView(SnakeModel model, SnakeControl control) {
this.model = model;
this.control = control;
mainframe = new Jframe("GreedSnake");
Container cp = mainframe.getContentPane();
// 创建顶部的分数显示
labelScore = new JLabel("Score:");
cp.add(labelScore, BorderLayout.NORTH);
// 创建中间的游戏显示区域
paintCanvas = new Canvas();
paintCanvas.setSize(canvasWidth + 1, canvasHeight + 1);
paintCanvas.addKeyListener(control);
cp.add(paintCanvas, BorderLayout.CENTER);
// 创建底下的帮助栏
JPanel panelButtom = new JPanel();
panelButtom.setLayout(new BorderLayout());
JLabel labelHelp;
labelHelp = new JLabel("PageUp, PageDown for speed;", JLabel.CENTER);
panelButtom.add(labelHelp, BorderLayout.NORTH);
labelHelp = new JLabel("ENTER or R or S for start;", JLabel.CENTER);
panelButtom.add(labelHelp, BorderLayout.CENTER);
labelHelp = new JLabel("SPACE or P for pause", JLabel.CENTER);
panelButtom.add(labelHelp, BorderLayout.SOUTH);
cp.add(panelButtom, BorderLayout.SOUTH);
mainframe.addKeyListener(control);
mainframe.pack();
mainframe.setResizable(false);
mainframe.setDefaultCloseOperation(Jframe.EXIT_ON_CLOSE);
mainframe.setVisible(true);
}
void repaint() {
Graphics g = paintCanvas.getGraphics();
//draw background
g.setColor(Color.WHITE);
g.fillRect(0, 0, canvasWidth, canvasHeight);
// draw the snake
g.setColor(Color.BLACK);
linkedList na = model.nodeArray;
Iterator it = na.iterator();
while (it.hasNext()) {
Node n = (Node) it.next();
drawNode(g, n);
}
// draw the food
g.setColor(Color.RED);
Node n = model.food;
drawNode(g, n);
updateScore();
}
private void drawNode(Graphics g, Node n) {
g.fillRect(n.x * nodeWidth,
n.y * nodeHeight,
nodeWidth - 1,
nodeHeight - 1);
}
public void updateScore() {
String s = "Score: " + model.score;
labelScore.setText(s);
}
public void update(Observable o, Object arg) {
repaint();
}
}
希望采纳
给你一个俄罗斯方块的把！！
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import javax.swing.*;
import javax.swing.Timer;
public class Tetris extends Jframe {
public Tetris() {
Tetrisblok a = new Tetrisblok();
addKeyListener(a);
add(a);
}
public static void main(String[] args) {
Tetris frame = new Tetris();
JMenuBar menu = new JMenuBar();
frame.setJMenuBar(menu);
JMenu game = new JMenu("游戏");
JMenuItem newgame = game.add("新游戏");
JMenuItem pause = game.add("暂停");
JMenuItem goon = game.add("继续");
JMenuItem exit = game.add("退出");
JMenu help = new JMenu("帮助");
JMenuItem about = help.add("关于");
menu.add(game);
menu.add(help);
frame.setLocationRelativeTo(null);
frame.setDefaultCloseOperation(Jframe.EXIT_ON_CLOSE);
frame.setSize(220, 275);
frame.setTitle("Tetris内测版");
// frame.setUndecorated(true);
frame.setVisible(true);
frame.setResizable(false);
}
}
// 创建一个俄罗斯方块类
class Tetrisblok extends JPanel implements KeyListener {
// blockType 代表方块类型
// turnState代表方块状态
private int blockType;
private int score = 0;
private int turnState;
private int x;
private int y;
private int i = 0;
int j = 0;
int flag = 0;
// 定义已经放下的方块x=0-11,y=0-21;
int[][] map = new int[13][23];
// 方块的形状 第一组代表方块类型有S、Z、L、J、I、O、T 7种 第二组 代表旋转几次 第三四组为 方块矩阵
private final int shapes[][][] = new int[][][] {
// i
{ { 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0 },
{ 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0 } },
// s
{ { 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0 },
{ 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0 } },
// z
{ { 1, 1, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0 },
{ 1, 1, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0 } },
// j
{ { 0, 1, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0 },
{ 1, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 1, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0 },
{ 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 } },
// o
{ { 1, 1, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 1, 1, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 1, 1, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 1, 1, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } },
// l
{ { 1, 0, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0 },
{ 1, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 1, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 1, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 } },
// t
{ { 0, 1, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0 },
{ 1, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0, 1, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0 } } };
// 生成新方块的方法
public void newblock() {
blockType = (int) (Math.random() * 1000) % 7;
turnState = (int) (Math.random() * 1000) % 4;
x = 4;
y = 0;
if (gameover(x, y) == 1) {
newmap();
drawwall();
score = 0;
JOptionPane.showMessageDialog(null, "GAME OVER");
}
}
// 画围墙
public void drawwall() {
for (i = 0; i < 12; i++) {
map[i][21] = 2;
}
for (j = 0; j < 22; j++) {
map[11][j] = 2;
map[0][j] = 2;
}
}
// 初始化地图
public void newmap() {
for (i = 0; i < 12; i++) {
for (j = 0; j < 22; j++) {
map[i][j] = 0;
}
}
}
// 初始化构造方法
Tetrisblok() {
newblock();
newmap();
drawwall();
Timer timer = new Timer(1000, new TimerListener());
timer.start();
}
// 旋转的方法
public void turn() {
int tempturnState = turnState;
turnState = (turnState + 1) % 4;
if (blow(x, y, blockType, turnState) == 1) {
}
if (blow(x, y, blockType, turnState) == 0) {
turnState = tempturnState;
}
repaint();
}
// 左移的方法
public void left() {
if (blow(x - 1, y, blockType, turnState) == 1) {
x = x - 1;
}
;
repaint();
}
// 右移的方法
public void right() {
if (blow(x + 1, y, blockType, turnState) == 1) {
x = x + 1;
}
;
repaint();
}
// 下落的方法
public void down() {
if (blow(x, y + 1, blockType, turnState) == 1) {
y = y + 1;
delline();
}
;
if (blow(x, y + 1, blockType, turnState) == 0) {
add(x, y, blockType, turnState);
newblock();
delline();
}
;
repaint();
}
// 是否合法的方法
public int blow(int x, int y, int blockType, int turnState) {
for (int a = 0; a < 4; a++) {
for (int b = 0; b < 4; b++) {
if (((shapes[blockType][turnState][a * 4 + b] == 1) && (map[x
+ b + 1][y + a] == 1))
|| ((shapes[blockType][turnState][a * 4 + b] == 1) && (map[x
+ b + 1][y + a] == 2))) {
return 0;
}
}
}
return 1;
}
// 消行的方法
public void delline() {
int c = 0;
for (int b = 0; b < 22; b++) {
for (int a = 0; a < 12; a++) {
if (map[a][b] == 1) {
c = c + 1;
if (c == 10) {
score += 10;
for (int d = b; d > 0; d--) {
for (int e = 0; e < 11; e++) {
map[e][d] = map[e][d - 1];
}
}
}
}
}
c = 0;
}
}
// 判断你挂的方法
public int gameover(int x, int y) {
if (blow(x, y, blockType, turnState) == 0) {
return 1;
}
return 0;
}
// 把当前添加map
public void add(int x, int y, int blockType, int turnState) {
int j = 0;
for (int a = 0; a < 4; a++) {
for (int b = 0; b < 4; b++) {
if (map[x + b + 1][y + a] == 0) {
map[x + b + 1][y + a] = shapes[blockType][turnState][j];
}
;
j++;
}
}
}
// 画方块的的方法
public void paintComponent(Graphics g) {
super.paintComponent(g);
// 画当前方块
for (j = 0; j < 16; j++) {
if (shapes[blockType][turnState][j] == 1) {
g.fillRect((j % 4 + x + 1) * 10, (j / 4 + y) * 10, 10, 10);
}
}
// 画已经固定的方块
for (j = 0; j < 22; j++) {
for (i = 0; i < 12; i++) {
if (map[i][j] == 1) {
g.fillRect(i * 10, j * 10, 10, 10);
}
if (map[i][j] == 2) {
g.drawRect(i * 10, j * 10, 10, 10);
}
}
}
g.drawString("score=" + score, 125, 10);
g.drawString("抵制不良游戏，", 125, 50);
g.drawString("拒绝盗版游戏。", 125, 70);
g.drawString("注意自我保护，", 125, 90);
g.drawString("谨防受骗上当。", 125, 110);
g.drawString("适度游戏益脑，", 125, 130);
g.drawString("沉迷游戏伤身。", 125, 150);
g.drawString("合理安排时间，", 125, 170);
g.drawString("享受健康生活。", 125, 190);
}
// 键盘监听
public void keyPressed(KeyEvent e) {
switch (e.getKeyCode()) {
case KeyEvent.VK_DOWN:
down();
break;
case KeyEvent.VK_UP:
turn();
break;
case KeyEvent.VK_RIGHT:
right();
break;
case KeyEvent.VK_LEFT:
left();
break;
}
}
// 无用
public void keyReleased(KeyEvent e) {
}
// 无用
public void keyTyped(KeyEvent e) {
}
// 定时器监听
class TimerListener implements ActionListener {
public void actionPerformed(ActionEvent e) {
repaint();
if (blow(x, y + 1, blockType, turnState) == 1) {
y = y + 1;
delline();
}
;
if (blow(x, y + 1, blockType, turnState) == 0) {
if (flag == 1) {
add(x, y, blockType, turnState);
delline();
newblock();
flag = 0;
}
flag = 1;
}
;
}
}
}
