java实现扫雷游戏

本文是java扫雷程序的开发，是对http://blog.csdn.net/ping_qc/article/details/7166092的java程序改进，在基础不变的基础上增加了右键标记功能以及自主选择难度功能

package game;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;

public class Test extends JFrame implements ActionListener, Runnable,
MouseListener {
private final int loEMPTY = 0;
private final int loMINE = 1;
private final int loCHECKED = 2;
private final int loMINE_COUNT = 10;
private final int loBUTTON_BORDER = 50;
private final int loMINE_SIZE = 10;
private final int loSTART_X = 20;
private final int loSTART_Y = 50;

private boolean flag;
private JButton[][] jb;
private JLabel jl;
private JLabel showTime;
private int[][] map;

private int[][] mv = { { -1, 0 }, { -1, 1 }, { 0, 1 }, { 1, 1 }, { 1, 0 },
{ 1, -1 }, { 0, -1 }, { -1, -1 } };

public void makeloMINE() {
int i = 0, tx, ty;
for (; i < loMINE_COUNT;) {
tx = (int) (Math.random() * loMINE_SIZE);
ty = (int) (Math.random() * loMINE_SIZE);
if (map[tx][ty] == loEMPTY) {
map[tx][ty] = loMINE;
i++;
}
}
}

public void makeButton() {
for (int i = 0; i < loMINE_SIZE; i++) {
for (int j = 0; j < loMINE_SIZE; j++) {
jb[i][j] = new JButton();
jb[i][j].addActionListener(this);
jb[i][j].addMouseListener(this);

jb[i][j].setName(i + "_" + j);

jb[i][j].setBounds(j * loBUTTON_BORDER + loSTART_X, i
* loBUTTON_BORDER + loSTART_Y, loBUTTON_BORDER, loBUTTON_BORDER);
this.add(jb[i][j]);
}
}
}

public void init() {

flag = false;

jl.setText("欢迎测试，一共有" + loMINE_COUNT + "个雷");
jl.setVisible(true);
jl.setBounds(20, 20, 500, 30);
this.add(jl);

showTime.setText("已用时：0 秒");
showTime.setBounds(400, 20, 100, 30);
this.add(showTime);

makeloMINE();
makeButton();
this.setSize(550, 600);
this.setLocation(700, 100);
this.setResizable(false);
this.setDefaultCloseOperation(EXIT_ON_CLOSE);
this.setVisible(true);
}

public Test(String title) {
super(title);

this.setLayout(null); //不使用布局管理器，每个控件的位置用setBounds设定

jb = new JButton[loMINE_SIZE][loMINE_SIZE];
jl = new JLabel();
showTime = new JLabel();
map = new int[loMINE_SIZE][loMINE_SIZE]; // 将按钮映射到数组中
}

public static void main(String[] args) {
Test test = new Test("Hello loMINEr!");
test.init();
test.run();
}

@Override
public void actionPerformed(ActionEvent e) {

Object obj = e.getSource();
int x, y;
if ((obj instanceof JButton) == false) {
showMessage("错误", "内部错误");
return;
}
String[] tmp_str = ((JButton) obj).getName().split("_");
x = Integer.parseInt(tmp_str[0]);
y = Integer.parseInt(tmp_str[1]);

if (map[x][y] == loMINE) {
showMessage("死亡", "你踩到地雷啦~~~");
flag = true;
showloMINE();
return;
}
dfs(x, y, 0);

checkSuccess();
}

private void checkSuccess() {
int cnt = 0;
for (int i = 0; i < loMINE_SIZE; i++) {
for (int j = 0; j < loMINE_SIZE; j++) {
if (jb[i][j].isEnabled()) {
cnt++;
}
}
}
if (cnt == loMINE_COUNT) {
String tmp_str = showTime.getText();
tmp_str = tmp_str.replaceAll("[^0-9]", "");
showMessage("胜利", "本次扫雷共用时：" + tmp_str + "秒");
flag = true;
showloMINE();
}
}

private int dfs(int x, int y, int d) {
map[x][y] = loCHECKED;
int i, tx, ty, cnt = 0;
for (i = 0; i < 8; i++) {
tx = x + mv[i][0];
ty = y + mv[i][1];
if (tx >= 0 && tx < loMINE_SIZE && ty >= 0 && ty < loMINE_SIZE) {
if (map[tx][ty] == loMINE) {
cnt++;
} else if (map[tx][ty] == loEMPTY) {
;
} else if (map[tx][ty] == loCHECKED) {
;
}
}
}
if (cnt == 0) {
for (i = 0; i < 8; i++) {
tx = x + mv[i][0];
ty = y + mv[i][1];
if (tx >= 0 && tx < loMINE_SIZE && ty >= 0 && ty < loMINE_SIZE
&& map[tx][ty] != loCHECKED) {
dfs(tx, ty, d + 1);
}
}
} else {
jb[x][y].setText(cnt + "");
}
jb[x][y].setEnabled(false);
return cnt;
}

private void showMessage(String title, String info) {
jl.setText(info);
System.out.println("in functino showMessage() : " + info);
}

public void run() {
int t = 0;
while (true) {
if (flag) {
break;
}
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
e.printStackTrace();
}
t++;
showTime.setText("已用时：" + t + " 秒");
}
}

private void showloMINE() {
for (int i = 0; i < loMINE_SIZE; i++) {
for (int j = 0; j < loMINE_SIZE; j++) {
if (map[i][j] == loMINE) {
jb[i][j].setText("雷");
}
}
}
}

public void mouseClicked(MouseEvent e) {
if (e.getButton() == 3) {
Object obj = e.getSource();
if ((obj instanceof JButton) == false) {
showMessage("错误", "内部错误");
return;
}
String[] tmp_str = ((JButton) obj).getName().split("_");
int x = Integer.parseInt(tmp_str[0]);
int y = Integer.parseInt(tmp_str[1]);
if ("{1}quot".equals(jb[x][y].getText())) {
jb[x][y].setText("");
} else {
jb[x][y].setText("{1}quot");
}
}
}

public void mousePressed(MouseEvent e) {

}

@Override
public void mouseReleased(MouseEvent e) {

}

public void mouseEntered(MouseEvent e) {

}

@Override
public void mouseExited(MouseEvent e) {

}
}