扫雷源码-------Java-Swing实现

先来看下效果

import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.util.linkedList;

public class GameWindow{

    private int width;//窗体宽度
    private int height;//窗体高度

    private static int scoreHeight = 50;

    private static int labelWeight = 30;//小方块(雷区)宽度
    private static int labelHeigth = 30;//小方块(雷区)高度
    private static int labelSpace = 1;//小方块(雷区)间距

    private static int[] x8 = {-1,-1,-1,0,0,1,1,1};//原坐标周围 8 个坐标的 x 值变化
    private static int[] y8 = {-1,0,1,-1,1,-1,0,1};//原坐标周围 8 个坐标的 y 值变化

    private static int[] x4 = {0,0,1,-1};//原坐标周围 4 个坐标的 x 值变化
    private static int[] y4 = {1,-1,0,0};//原坐标周围 4 个坐标的 x 值变化

    private static Icon flag = new ImageIcon("src/images/小旗.jpg");//小旗图标
    private static Icon bomb = new ImageIcon("src/images/炸弹.png");//炸弹图标

    private Jframe frame;

    private int[][] data;//存储和炸弹位置有关数据，值为-1时表示炸弹
    private JLabel[][] labels;

    private JPanel mainPanel;//雷区主面板

    private JLabel areaLabel;//未扫雷区个数标签
    private JLabel bombLabel;//剩余地雷数标签

    private Font labelFont = new Font("隶书",Font.BOLD,45);
    private Font buttonFont = new Font("隶书",Font.CENTER_baseLINE,20);

    private int row;//行数
    private int column;//列数
    private int bombNum;//炸弹个数

    private int remainArea;//未扫雷区个数
    private int remainBomb;//剩余地雷数

    public GameWindow(int row,int column,int bombNum){
        frame = new Jframe("扫雷-洋仔小游戏");
        this.row = row;
        this.column = column;
        this.bombNum = bombNum;
        mainPanel = new JPanel();
        init();
    }

    public GameWindow(){
        this(10,10,20);
    }

    private void setWidthAndHeight(){
        width = labelWeight * column + (column + 1) * labelSpace;
        height = scoreHeight + labelHeigth * row + (row + 1) * labelSpace;
    }


    private void setBomb(){
        if(bombNum > row * column)
            throw new RuntimeException("炸弹数设置过多！");
        data = new int[row][column];
        int count = 0;
        while (count < bombNum){
            int r = (int)(Math.random() * row);
            int c = (int)(Math.random() * column);
            System.out.println("r = " + r + "tc = " + c);

            if(data[r][c] == -1)
                continue;

            data[r][c] = -1;
            for(int i = 0; i < 8; i ++){
                int x = r + x8[i];
                int y = c + y8[i];
                if(x < 0 || x >= row || y < 0 || y >= column || data[x][y] == -1)
                    continue;
                data[r + x8[i]][c + y8[i]] ++;
            }
            count ++;
            System.out.println(count);
        }
    }

    private class ButtonListener implements MouseListener {

        private JButton button;
        private int r;
        private int w;
        private GameWindow window;
        private boolean disabled = true;

        public ButtonListener(JButton button,int r,int w,GameWindow window){
            this.button = button;
            this.r = r;
            this.w = w;
            this.window = window;
        }

        @Override
        public void mouseClicked(MouseEvent mouseEvent) {
            synchronized (window){
                if(!button.isEnabled())
                    return;
                if(mouseEvent.getButton() == MouseEvent.BUTTON3){
                    if(disabled) {
                        button.setIcon(flag);
                        data[r][w] -= 20;
                        remainBomb --;
                        remainArea --;
                    }
                    else {
                        button.setIcon(null);
                        data[r][w] += 20;
                        remainBomb ++;
                        remainArea ++;
                    }
                    disabled = !disabled;
                    bombLabel.setText("" + remainBomb);
                    areaLabel.setText("" + remainArea);
                    return;
                }
                if(!disabled)
                    return;

                int cnt = 1;
                button.setVisible(false);
                if(data[r][w] == -1){
                    gameOver();
//                    System.out.println("n点到炸弹，全体按钮已禁用");
                    return;
                }
                linkedList stack = new linkedList<>();
                stack.push(new int[]{r,w});
                data[r][w] = -1;
                while (stack.size() > 0){
                    int[] source = stack.pop();
                    for(int i = 0; i < 4; i ++){
                        int x = source[0] + x4[i];
                        int y = source[1] + y4[i];
                        if(x < 0 || x >= row || y < 0 || y >= column || data[x][y] < 0)
                            continue;
                        if(data[x][y] == 0)
                            stack.push(new int[]{x,y});
                        labels[x][y].getLabelFor().setVisible(false);
                        cnt ++;
                        data[x][y] = -1;
                    }
                }
                remainArea -= cnt;
                areaLabel.setText("" + remainArea);
                if(remainArea == remainBomb){
                    gameOver();
                }
            }
        }

        @Override
        public void mousePressed(MouseEvent mouseEvent) {}

        @Override
        public void mouseReleased(MouseEvent mouseEvent) {}

        @Override
        public void mouseEntered(MouseEvent mouseEvent) {}

        @Override
        public void mouseExited(MouseEvent mouseEvent) {}
    }

    private void gameOver(){
        for(JLabel[] ls : labels){
            for(JLabel l : ls){
                JButton button = (JButton) l.getLabelFor();
                button.setEnabled(false);
            }
        }
    }

    private void init(){
        setWidthAndHeight();

        frame.setBounds(380,100,width + 9,height + 32);
        frame.setDefaultCloseOperation(Jframe.EXIT_ON_CLOSE);
        frame.setResizable(false);
        frame.setLayout(null);

        mainPanel.setBackground(Color.GRAY);
        mainPanel.setBounds(1,scoreHeight + 1,width,height);
        mainPanel.setLayout(null);

        JPanel scorePanel = new JPanel();
        scorePanel.setBounds(0,0,width,scoreHeight);
        scorePanel.setLayout(new GridLayout(1,3,0,0));

        areaLabel = new JLabel();

        areaLabel.setFont(labelFont);
        areaLabel.setHorizontalAlignment(JLabel.CENTER);
        scorePanel.add(areaLabel);

        JLabel buttonLabel = new JLabel();
        scorePanel.add(buttonLabel);

        JButton resetButton = new JButton("重开");
        resetButton.setFont(buttonFont);
        resetButton.setFocusPainted(false);
        resetButton.setBounds(width/ 24,10,width / 4,30);
        resetButton.addActionListener((event)->{
            frame.setVisible(false);
            mainPanel.removeAll();
            resetGame();
        });
        buttonLabel.add(resetButton);

        bombLabel = new JLabel();
        bombLabel.setFont(labelFont);
        bombLabel.setHorizontalAlignment(JLabel.CENTER);
        scorePanel.add(bombLabel);

        frame.add(scorePanel);
        frame.add(mainPanel);


        resetGame();
    }

    public void resetGame(){
        setBomb();
        remainArea = row * column;
        remainBomb = bombNum;

        labels = new JLabel[row][column];
        for(int i = 0; i < row; i ++){
            for(int j = 0; j < column; j ++){
                labels[i][j] = new JLabel();
                //设置元素居中
                labels[i][j].setHorizontalAlignment(JLabel.CENTER);
                if(data[i][j] == -1) {
                    labels[i][j].setIcon(bomb);
//                    labels[i][j].setText("炸弹");
//                    labels[i][j].setBackground(Color.red);
//                    labels[i][j].setIcon(new ImageIcon("src/images/炸弹.webp"));
                }
                else if(data[i][j] > 0)
                    labels[i][j].setText("" + data[i][j]);

                int y = (i + 1) * labelSpace + i * labelWeight;
                int x = (j + 1) * labelSpace + j * labelHeigth;
                labels[i][j].setBounds(x,y,labelWeight,labelHeigth);

                JButton button = new JButton();

                button.addMouseListener(new ButtonListener(button,i,j,this));
                button.setBounds(0,0,labelWeight,labelHeigth);
                labels[i][j].setLayout(null);
                labels[i][j].add(button);
                labels[i][j].setLabelFor(button);
                mainPanel.add(labels[i][j]);
            }
        }

        areaLabel.setText("" + remainArea);
        bombLabel.setText("" + remainBomb);

        frame.setVisible(true);
    }
}