java實現簡單掃雷

package com.test.swing;

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;

/**
 * 這個是一個簡單的掃雷例子，剛接觸swing編寫的，適合新手練習
 * 該程序使用setBounds（x,y,w,h）對控件佈局
 * 做法參考win xp自帶的掃雷，當然還寫功能沒做出來，
 * 另外做出來的功能有些還存在bug
 * 
 * @author Ping_QC
 */
public class Test extends JFrame implements ActionListener, Runnable,
		MouseListener {

	private static final long serialVersionUID = -2417758397965039613L;
	private final int EMPTY 		= 0;
	private final int MINE 			= 1;
	private final int CHECKED		= 2;
	private final int MINE_COUNT 	= 10;	// 雷的個數
	private final int BUTTON_BORDER	= 50;	// 每個點的尺寸
	private final int MINE_SIZE 	= 10;	// 界面規格, 20x20
	private final int START_X 		= 20;	// 起始位置x
	private final int START_Y 		= 50;	// 起始位置y

	private boolean flag;
	private JButton[][] jb;
	private JLabel jl;
	private JLabel showTime;
	private int[][] map;
	/**
	 * 檢測某點周圍是否有雷，周圍點的座標可由該數組計算得到
	 */
	private int[][] mv = { { -1, 0 }, { -1, 1 }, { 0, 1 }, { 1, 1 }, { 1, 0 },
			{ 1, -1 }, { 0, -1 }, { -1, -1 } };

	/**
	 * 隨機產生設定個數的雷
	 */
	public void makeMine() {
		int i = 0, tx, ty;
		for (; i < MINE_COUNT;) {
			tx = (int) (Math.random() * MINE_SIZE);
			ty = (int) (Math.random() * MINE_SIZE);
			if (map[tx][ty] == EMPTY) {
				map[tx][ty] = MINE;
				i++; // 不記重複產生的雷
			}
		}
	}

	/**
	 * 將button數組放到frame上，與map[][]數組對應
	 */
	public void makeButton() {
		for (int i = 0; i < MINE_SIZE; i++) {
			for (int j = 0; j < MINE_SIZE; j++) {
				jb[i][j] = new JButton();
				// if (map[i][j] == MINE)
				// jb[i][j].setText(i+","+j);

				// listener add
				jb[i][j].addActionListener(this);
				jb[i][j].addMouseListener(this);

				jb[i][j].setName(i + "_" + j); // 方便點擊是判斷是點擊了哪個按鈕
				// Font font = new Font(Font.SERIF, Font.BOLD, 10);
				// jb[i][j].setFont(font);
				// jb[i][j].setText(i+","+j);
				jb[i][j].setBounds(j * BUTTON_BORDER + START_X, i
						* BUTTON_BORDER + START_Y, BUTTON_BORDER, BUTTON_BORDER);
				this.add(jb[i][j]);
			}
		}
	}

	public void init() {

		flag = false;

		jl.setText("歡迎測試，一共有" + MINE_COUNT + "個雷");
		jl.setVisible(true);
		jl.setBounds(20, 20, 500, 30);
		this.add(jl);

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

		makeMine();
		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);	//不使用佈局管理器，每個控件的位置用setBounds設定
		
		jb = new JButton[MINE_SIZE][MINE_SIZE];
		jl = new JLabel();
		showTime = new JLabel();
		map = new int[MINE_SIZE][MINE_SIZE]; // 將按鈕映射到數組中
	}

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

	@Override
	public void actionPerformed(ActionEvent e) {

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

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

		checkSuccess();
	}

	/**
	 * 每次點擊完後，判斷有沒有把全部雷都找到 通過計算狀態爲enable的按鈕的個數來判斷
	 */
	private void checkSuccess() {
		int cnt = 0;
		for (int i = 0; i < MINE_SIZE; i++) {
			for (int j = 0; j < MINE_SIZE; j++) {
				if (jb[i][j].isEnabled()) {
					cnt++;
				}
			}
		}
		if (cnt == MINE_COUNT) {
			String tmp_str = showTime.getText();
			tmp_str = tmp_str.replaceAll("[^0-9]", "");
			showMessage("勝利", "本次掃雷共用時：" + tmp_str + "秒");
			flag = true;
			showMine();
		}
	}

	private int dfs(int x, int y, int d) {
		map[x][y] = CHECKED;
		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 < MINE_SIZE && ty >= 0 && ty < MINE_SIZE) {
				if (map[tx][ty] == MINE) {
					cnt++;// 該點附近雷數統計
				} else if (map[tx][ty] == EMPTY) {
					;
				} else if (map[tx][ty] == CHECKED) {
					;
				}
			}
		}
		if (cnt == 0) {
			for (i = 0; i < 8; i++) {
				tx = x + mv[i][0];
				ty = y + mv[i][1];
				if (tx >= 0 && tx < MINE_SIZE && ty >= 0 && ty < MINE_SIZE
						&& map[tx][ty] != CHECKED) {
					dfs(tx, ty, d + 1);
				}
			}
		} else {
			jb[x][y].setText(cnt + "");
		}
		jb[x][y].setEnabled(false);
		return cnt;
	}

	/**
	 * 在jl標籤上顯示一些信息
	 * 
	 * @param title
	 * @param info
	 */
	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("已用時：" + t + " 秒");
		}
		// showMine();
	}

	private void showMine() {
//		Icon iconMine = new ImageIcon("e:/mine.jpg");
		for (int i = 0; i < MINE_SIZE; i++) {
			for (int j = 0; j < MINE_SIZE; j++) {
				if (map[i][j] == MINE) {
					jb[i][j].setText("#");
//					jb[i][j].setIcon(iconMine);
				}
			}
		}
	}

	@Override
	public void mouseClicked(MouseEvent e) {
		if (e.getButton() == 3) {
			Object obj = e.getSource();
			if ((obj instanceof JButton) == false) {
				showMessage("錯誤", "內部錯誤");
				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;);
			}
	/*		if(jb[x][y].getIcon() == null){
				jb[x][y].setIcon(new ImageIcon("e:/flag.jpg"));
			}else{
				jb[x][y].setIcon(null);
			}*/
		}
	}

	@Override
	public void mousePressed(MouseEvent e) {
		// TODO Auto-generated method stub

	}

	@Override
	public void mouseReleased(MouseEvent e) {
		// TODO Auto-generated method stub

	}

	@Override
	public void mouseEntered(MouseEvent e) {
		// TODO Auto-generated method stub

	}

	@Override
	public void mouseExited(MouseEvent e) {
		// TODO Auto-generated method stub

	}
}