用JAVA编写俄罗斯方块游戏android

好的，编写俄罗斯方块游戏的第一步是了解游戏的规则和逻辑。俄罗斯方块游戏的规则是：玩家控制下落的方块，使其在底部堆积成一行或多行，当堆积的方块触及顶部时，游戏结束。游戏中的方块由四个小方块组成，每个小方块可以是七种不同的颜色之一。

接下来，我们可以使用Java语言编写俄罗斯方块游戏的核心逻辑。我们需要创建一个方块类来表示游戏中的方块，这个类应该包含方块的位置、颜色、形状等属性。然后，我们需要创建一个游戏类来管理游戏的状态、计分等信息，这个类应该包含游戏界面、方块的下落速度、当前下落的方块等属性。

接下来，我们可以使用Android Studio创建一个新的Android应用程序，并在应用程序中添加俄罗斯方块游戏的UI组件，例如游戏界面、得分板等。然后，我们可以将我们编写的Java代码与UI组件集成起来，实现俄罗斯方块游戏的功能。

最后，我们需要对游戏进行测试，并进行必要的调试和优化。我们可以使用Android模拟器或实际设备进行测试，确保游戏在不同的设备上都能正常运行。

以上是一个简单的流程，希望能对您有所帮助。

相关问题

Java编写俄罗斯方块游戏代码

下面是一个简单的Java编写的俄罗斯方块游戏代码，可以供参考：

import java.awt.*;
import java.awt.event.*;
import java.util.Random;

import javax.swing.*;

public class Tetris extends JFrame {
    private static final long serialVersionUID = 1L;

    private JLabel statusBar;

    private final int BOARD_WIDTH = 10;
    private final int BOARD_HEIGHT = 22;
    private Timer timer;
    private boolean isFallingFinished = false;
    private boolean isStarted = false;
    private boolean isPaused = false;
    private int numLinesRemoved = 0;
    private int curX = 0;
    private int curY = 0;
    private JLabel[][] board = new JLabel[BOARD_HEIGHT][BOARD_WIDTH];
    private Shape curPiece;
    private Shape.Tetrominoes[] boardArr = new Shape.Tetrominoes[BOARD_HEIGHT * BOARD_WIDTH];

    public Tetris() {
        initUI();
    }

    private void initUI() {
        statusBar = new JLabel(" 0");
        add(statusBar, BorderLayout.SOUTH);
        Board board = new Board(this);
        add(board);
        board.start();
        setSize(200, 400);
        setTitle("Tetris");
        setDefaultCloseOperation(EXIT_ON_CLOSE);
    }

    public JLabel getStatusBar() {
        return statusBar;
    }

    public boolean isStarted() {
        return isStarted;
    }

    public boolean isPaused() {
        return isPaused;
    }

    public boolean isFallingFinished() {
        return isFallingFinished;
    }

    public int getNumLinesRemoved() {
        return numLinesRemoved;
    }

    public int getBoardWidth() {
        return BOARD_WIDTH;
    }

    public int getBoardHeight() {
        return BOARD_HEIGHT;
    }

    public Shape getCurPiece() {
        return curPiece;
    }

    public int getCurX() {
        return curX;
    }

    public int getCurY() {
        return curY;
    }

    public Shape.Tetrominoes shapeAt(int x, int y) {
        return boardArr[(y * BOARD_WIDTH) + x];
    }

    private void setShapeAt(int x, int y, Shape.Tetrominoes shape) {
        boardArr[(y * BOARD_WIDTH) + x] = shape;
    }

    public void start() {
        if (isPaused)
            return;
        isStarted = true;
        isFallingFinished = false;
        numLinesRemoved = 0;
        clearBoard();
        newPiece();
        timer.start();
    }

    public void pause() {
        if (!isStarted)
            return;
        isPaused = !isPaused;
        if (isPaused) {
            timer.stop();
            statusBar.setText(" paused");
        } else {
            timer.start();
            statusBar.setText(String.valueOf(numLinesRemoved));
        }
        repaint();
    }

    private void doDrawing(Graphics g) {
        Dimension size = getSize();
        int boardTop = (int) size.getHeight() - BOARD_HEIGHT * squareHeight();

        for (int i = 0; i < BOARD_HEIGHT; ++i) {
            for (int j = 0; j < BOARD_WIDTH; ++j) {
                Shape.Tetrominoes shape = shapeAt(j, BOARD_HEIGHT - i - 1);
                if (shape != Shape.Tetrominoes.NoShape) {
                    drawSquare(g, j * squareWidth(), boardTop + i * squareHeight(), shape);
                }
            }
        }
        if (curPiece.getShape() != Shape.Tetrominoes.NoShape) {
            for (int i = 0; i < 4; ++i) {
                int x = curX + curPiece.x(i);
                int y = curY - curPiece.y(i);
                drawSquare(g, x * squareWidth(), boardTop + (BOARD_HEIGHT - y - 1) * squareHeight(),
                        curPiece.getShape());
            }
        }
    }

    @Override
    public void paint(Graphics g) {
        super.paint(g);
        doDrawing(g);
    }

    private void dropDown() {
        int newY = curY;
        while (newY > 0) {
            if (!tryMove(curPiece, curX, newY - 1))
                break;
            --newY;
        }
        pieceDropped();
    }

    private void oneLineDown() {
        if (!tryMove(curPiece, curX, curY - 1))
            pieceDropped();
    }

    private int squareWidth() {
        return (int) getSize().getWidth() / BOARD_WIDTH;
    }

    private int squareHeight() {
        return (int) getSize().getHeight() / BOARD_HEIGHT;
    }

    private void clearBoard() {
        for (int i = 0; i < BOARD_HEIGHT * BOARD_WIDTH; ++i) {
            boardArr[i] = Shape.Tetrominoes.NoShape;
        }
    }

    private void pieceDropped() {
        for (int i = 0; i < 4; ++i) {
            int x = curX + curPiece.x(i);
            int y = curY - curPiece.y(i);
            setShapeAt(x, y, curPiece.getShape());
        }

        removeFullLines();

        if (!isFallingFinished)
            newPiece();
    }

    private void newPiece() {
        curPiece = new Shape();
        curX = BOARD_WIDTH / 2 + 1;
        curY = BOARD_HEIGHT - 1 + curPiece.minY();

        if (!tryMove(curPiece, curX, curY)) {
            curPiece.setShape(Shape.Tetrominoes.NoShape);
            timer.stop();
            isStarted = false;
            statusBar.setText("game over");
        }
    }

    private boolean tryMove(Shape newPiece, int newX, int newY) {
        for (int i = 0; i < 4; ++i) {
            int x = newX + newPiece.x(i);
            int y = newY - newPiece.y(i);
            if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
                return false;
            if (shapeAt(x, y) != Shape.Tetrominoes.NoShape)
                return false;
        }
        curPiece = newPiece;
        curX = newX;
        curY = newY;
        repaint();
        return true;
    }

    private void removeFullLines() {
        int numFullLines = 0;

        for (int i = BOARD_HEIGHT - 1; i >= 0; --i) {
            boolean lineIsFull = true;
            for (int j = 0; j < BOARD_WIDTH; ++j) {
                if (shapeAt(j, i) == Shape.Tetrominoes.NoShape) {
                    lineIsFull = false;
                    break;
                }
            }
            if (lineIsFull) {
                ++numFullLines;
                for (int k = i; k < BOARD_HEIGHT - 1; ++k) {
                    for (int j = 0; j < BOARD_WIDTH; ++j) {
                        setShapeAt(j, k, shapeAt(j, k + 1));
                    }
                }
                for (int j = 0; j < BOARD_WIDTH; ++j) {
                    setShapeAt(j, BOARD_HEIGHT - 1, Shape.Tetrominoes.NoShape);
                }
            }
        }

        if (numFullLines > 0) {
            numLinesRemoved += numFullLines;
            statusBar.setText(String.valueOf(numLinesRemoved));
            isFallingFinished = true;
            curPiece.setShape(Shape.Tetrominoes.NoShape);
        }
    }

    private void drawSquare(Graphics g, int x, int y, Shape.Tetrominoes shape) {
        Color colors[] = { new Color(0, 0, 0), new Color(204, 102, 102), new Color(102, 204, 102),
                new Color(102, 102, 204), new Color(204, 204, 102), new Color(204, 102, 204),
                new Color(102, 204, 204), new Color(218, 170, 0) };

        Color color = colors[shape.ordinal()];

        g.setColor(color);
        g.fillRect(x + 1, y + 1, squareWidth() - 2, squareHeight() - 2);

        g.setColor(color.brighter());
        g.drawLine(x, y + squareHeight() - 1, x, y);
        g.drawLine(x, y, x + squareWidth() - 1, y);

        g.setColor(color.darker());
        g.drawLine(x + 1, y + squareHeight() - 1, x + squareWidth() - 1, y + squareHeight() - 1);
        g.drawLine(x + squareWidth() - 1, y + squareHeight() - 1, x + squareWidth() - 1, y + 1);
    }

    class Board extends JPanel implements ActionListener {
        private static final long serialVersionUID = 1L;

        private Tetris parent;

        Board(Tetris parent) {
            this.parent = parent;
            setPreferredSize(new Dimension(200, 400));
            setBackground(Color.BLACK);
            setFocusable(true);
            addKeyListener(new TAdapter());
        }

        void start() {
            timer = new Timer(400, this);
            timer.start();
        }

        @Override
        public void actionPerformed(ActionEvent e) {
            if (parent.isFallingFinished()) {
                parent.isFallingFinished = false;
                parent.newPiece();
            } else {
                parent.oneLineDown();
            }
        }

        @Override
        public void paintComponent(Graphics g) {
            super.paintComponent(g);
            doDrawing(g);
        }

        private void doDrawing(Graphics g) {
            Dimension size = getSize();
            int boardTop = (int) size.getHeight() - BOARD_HEIGHT * squareHeight();

            for (int i = 0; i < BOARD_HEIGHT; ++i) {
                for (int j = 0; j < BOARD_WIDTH; ++j) {
                    Shape.Tetrominoes shape = parent.shapeAt(j, BOARD_HEIGHT - i - 1);
                    if (shape != Shape.Tetrominoes.NoShape) {
                        drawSquare(g, j * squareWidth(), boardTop + i * squareHeight(), shape);
                    }
                }
            }
            if (parent.getCurPiece().getShape() != Shape.Tetrominoes.NoShape) {
                for (int i = 0; i < 4; ++i) {
                    int x = parent.getCurX() + parent.getCurPiece().x(i);
                    int y = parent.getCurY() - parent.getCurPiece().y(i);
                    drawSquare(g, x * squareWidth(), boardTop + (BOARD_HEIGHT - y - 1) * squareHeight(),
                            parent.getCurPiece().getShape());
                }
            }
        }

        private void dropDown() {
            parent.dropDown();
        }

        private void moveLeft() {
            parent.tryMove(parent.getCurPiece(), parent.getCurX() - 1, parent.getCurY());
        }

        private void moveRight() {
            parent.tryMove(parent.getCurPiece(), parent.getCurX() + 1, parent.getCurY());
        }

        private void rotateLeft() {
            parent.tryMove(parent.getCurPiece().rotateLeft(), parent.getCurX(), parent.getCurY());
        }

        private void rotateRight() {
            parent.tryMove(parent.getCurPiece().rotateRight(), parent.getCurX(), parent.getCurY());
        }

        private void pause() {
            parent.pause();
        }

        private class TAdapter extends KeyAdapter {
            @Override
            public void keyPressed(KeyEvent e) {
                if (!parent.isStarted() || parent.getCurPiece().getShape() == Shape.Tetrominoes.NoShape) {
                    return;
                }

                int keycode = e.getKeyCode();

                if (keycode == 'p' || keycode == 'P') {
                    pause();
                    return;
                }

                if (parent.isPaused())
                    return;

                switch (keycode) {
                case KeyEvent.VK_LEFT:
                    moveLeft();
                    break;
                case KeyEvent.VK_RIGHT:
                    moveRight();
                    break;
                case KeyEvent.VK_DOWN:
                    dropDown();
                    break;
                case KeyEvent.VK_UP:
                    rotateLeft();
                    break;
                case KeyEvent.VK_SHIFT:
                    rotateRight();
                    break;
                }
            }
        }
    }

    public static void main(String[] args) {
        EventQueue.invokeLater(() -> {
            Tetris tetris = new Tetris();
            tetris.setVisible(true);
        });
    }
}

class Shape {
    enum Tetrominoes {
        NoShape, ZShape, SShape, LineShape, TShape, SquareShape, LShape, MirroredLShape
    }

    private Tetrominoes pieceShape;
    private int coords[][];
    private int[][][] coordsTable;

    public Shape() {
        coords = new int[4][2];
        setShape(Tetrominoes.NoShape);
    }

    void setShape(Tetrominoes shape) {
        coordsTable = new int[][][] {
                { { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 } }, // NoShape
                { { 0, -1 }, { 0, 0 }, { -1, 0 }, { -1, 1 } }, // ZShape
                { { 0, -1 }, { 0, 0 }, { 1, 0 }, { 1, 1 } }, // SShape
                { { 0, -1 }, { 0, 0 }, { 0, 1 }, { 0, 2 } }, // LineShape
                { { -1, 0 }, { 0, 0 }, { 1, 0 }, { 0, 1 } }, // TShape
                { { 0, 0 }, { 1, 0 }, { 0, 1 }, { 1, 1 } }, // SquareShape
                { { -1, -1 }, { 0, -1 }, { 0, 0 }, { 0, 1 } }, // LShape
                { { 1, -1 }, { 0, -1 }, { 0, 0 }, { 0, 1 } } // MirroredLShape
        };
        for (int i = 0; i < 4; ++i) {
            for (int j = 0; j < 2; ++j) {
                coords[i][j] = coordsTable[shape.ordinal()][i][j];
            }
        }
        pieceShape = shape;
    }

    private void setX(int index, int x) {
        coords[index][0] = x;
    }

    private void setY(int index, int y) {
        coords[index][1] = y;
    }

    int x(int index) {
        return coords[index][0];
    }

    int y(int index) {
        return coords[index][1];
    }

    Tetrominoes getShape() {
        return pieceShape;
    }

    void setRandomShape() {
        Random r = new Random();
        int x = Math.abs(r.nextInt()) % 7 + 1;
        Tetrominoes[] values = Tetrominoes.values();
        setShape(values[x]);
    }

    int minX() {
        int m = coords[0][0];
        for (int i = 0; i < 4; i++) {
            m = Math.min(m, coords[i][0]);
        }
        return m;
    }

    int minY() {
        int m = coords[0][1];
        for (int i = 0; i < 4; i++) {
            m = Math.min(m, coords[i][1]);
        }
        return m;
    }

    Shape rotateLeft() {
        if (pieceShape == Tetrominoes.SquareShape)
            return this;
        Shape result = new Shape();
        result.pieceShape = pieceShape;

        for (int i = 0; i < 4; ++i) {
            result.setX(i, y(i));
            result.setY(i, -x(i));
        }
        return result;
    }

    Shape rotateRight() {
        if (pieceShape == Tetrominoes.SquareShape)
            return this;
        Shape result = new Shape();
        result.pieceShape = pieceShape;

        for (int i = 0; i < 4; ++i) {
            result.setX(i, -y(i));
            result.setY(i, x(i));
        }
        return result;
    }
}

Java编写俄罗斯方块游戏源代码

以下是一个简单的 Java 代码示例，用于实现俄罗斯方块游戏：

import java.awt.Color;
import java.awt.Graphics;
import java.awt.Point;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.util.ArrayList;
import java.util.Random;

import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.Timer;

public class Tetris extends JPanel implements ActionListener, KeyListener {

    private static final long serialVersionUID = -8715353373678321308L;

    private final Point[][][] Tetraminos = {
            // I-Piece
            {
                { new Point(0, 1), new Point(1, 1), new Point(2, 1), new Point(3, 1) },
                { new Point(1, 0), new Point(1, 1), new Point(1, 2), new Point(1, 3) },
                { new Point(0, 1), new Point(1, 1), new Point(2, 1), new Point(3, 1) },
                { new Point(1, 0), new Point(1, 1), new Point(1, 2), new Point(1, 3) }
            },
            // J-Piece
            {
                { new Point(0, 1), new Point(1, 1), new Point(2, 1), new Point(2, 0) },
                { new Point(1, 0), new Point(1, 1), new Point(1, 2), new Point(2, 2) },
                { new Point(0, 1), new Point(1, 1), new Point(2, 1), new Point(0, 2) },
                { new Point(1, 0), new Point(1, 1), new Point(1, 2), new Point(0, 0) }
            },
            // L-Piece
            {
                { new Point(0, 1), new Point(1, 1), new Point(2, 1), new Point(2, 2) },
                { new Point(1, 0), new Point(1, 1), new Point(1, 2), new Point(0, 2) },
                { new Point(0, 1), new Point(1, 1), new Point(2, 1), new Point(0, 0) },
                { new Point(1, 0), new Point(1, 1), new Point(1, 2), new Point(2, 0) }
            },
            // O-Piece
            {
                { new Point(0, 0), new Point(0, 1), new Point(1, 0), new Point(1, 1) },
                { new Point(0, 0), new Point(0, 1), new Point(1, 0), new Point(1, 1) },
                { new Point(0, 0), new Point(0, 1), new Point(1, 0), new Point(1, 1) },
                { new Point(0, 0), new Point(0, 1), new Point(1, 0), new Point(1, 1) }
            },
            // S-Piece
            {
                { new Point(1, 0), new Point(2, 0), new Point(0, 1), new Point(1, 1) },
                { new Point(0, 0), new Point(0, 1), new Point(1, 1), new Point(1, 2) },
                { new Point(1, 0), new Point(2, 0), new Point(0, 1), new Point(1, 1) },
                { new Point(0, 0), new Point(0, 1), new Point(1, 1), new Point(1, 2) }
            },
            // T-Piece
            {
                { new Point(1, 0), new Point(0, 1), new Point(1, 1), new Point(2, 1) },
                { new Point(1, 0), new Point(0, 1), new Point(1, 1), new Point(1, 2) },
                { new Point(0, 1), new Point(1, 1), new Point(2, 1), new Point(1, 2) },
                { new Point(1, 0), new Point(1, 1), new Point(2, 1), new Point(1, 2) }
            },
            // Z-Piece
            {
                { new Point(0, 0), new Point(1, 0), new Point(1, 1), new Point(2, 1) },
                { new Point(1, 1), new Point(0, 2), new Point(1, 2), new Point(0, 3) },
                { new Point(0, 0), new Point(1, 0), new Point(1, 1), new Point(2, 1) },
                { new Point(1, 1), new Point(0, 2), new Point(1, 2), new Point(0, 3) }
            }
        };
    
    private final Color[] tetraminoColors = {
            Color.cyan, Color.blue, Color.orange, Color.yellow, Color.green, Color.pink, Color.red
        };
    
    private Point pieceOrigin;
    private int currentPiece;
    private int rotation;
    private ArrayList<Integer> nextPieces = new ArrayList<Integer>();

    private long score;
    private Color[][] well;

    // Creates a border around the well and initializes the dropping piece
    private void init() {
        well = new Color[12][24];
        for (int i = 0; i < 12; i++) {
            for (int j = 0; j < 23; j++) {
                if (i == 0 || i == 11 || j == 22) {
                    well[i][j] = Color.GRAY;
                } else {
                    well[i][j] = Color.BLACK;
                }
            }
        }
        newPiece();
    }

    // Put a new, random piece into the dropping position
    public void newPiece() {
        pieceOrigin = new Point(5, 2);
        rotation = 0;
        if (nextPieces.isEmpty()) {
            Collections.addAll(nextPieces, 0, 1, 2, 3, 4, 5, 6);
            Collections.shuffle(nextPieces, new Random());
        }
        currentPiece = nextPieces.get(0);
        nextPieces.remove(0);
    }

    // Collision test for the dropping piece
    private boolean collidesAt(int x, int y, int rotation) {
        for (Point p : Tetraminos[currentPiece][rotation]) {
            if (well[p.x + x][p.y + y] != Color.BLACK) {
                return true;
            }
        }
        return false;
    }

    // Rotate the piece clockwise or counterclockwise
    public void rotate(int i) {
        int newRotation = (rotation + i) % 4;
        if (newRotation < 0) {
            newRotation = 3;
        }
        if (!collidesAt(pieceOrigin.x, pieceOrigin.y, newRotation)) {
            rotation = newRotation;
        }
        repaint();
    }

    // Move the piece left or right
    public void move(int i) {
        if (!collidesAt(pieceOrigin.x + i, pieceOrigin.y, rotation)) {
            pieceOrigin.x += i;   
        }
        repaint();
    }

    // Drops the piece one line or fixes it to the well if it can't drop
    public void dropDown() {
        if (!collidesAt(pieceOrigin.x, pieceOrigin.y + 1, rotation)) {
            pieceOrigin.y += 1;
        } else {
            fixToWell();
        }       
        repaint();
    }

    // Make the dropping piece part of the well, so it is available for
    // linescanning.
    public void fixToWell() {
        for (Point p : Tetraminos[currentPiece][rotation]) {
            well[pieceOrigin.x + p.x][pieceOrigin.y + p.y] = tetraminoColors[currentPiece];
        }
        clearRows();
        newPiece();
    }

    public void deleteRow(int row) {
        for (int j = row-1; j > 0; j--) {
            for (int i = 1; i < 11; i++) {
                well[i][j+1] = well[i][j];
            }
        }
    }

    // Clear completed rows from the field and award score according to
    // the number of simultaneously cleared rows.
    public void clearRows() {
        boolean gap;
        int numClears = 0;

        for (int j = 21; j > 0; j--) {
            gap = false;
            for (int i = 1; i < 11; i++) {
                if (well[i][j] == Color.BLACK) {
                    gap = true;
                    break;
                }
            }
            if (!gap) {
                deleteRow(j);
                j += 1;
                numClears += 1;
            }
        }

        switch (numClears) {
        case 1:
            score += 100;
            break;
        case 2:
            score += 300;
            break;
        case 3:
            score += 500;
            break;
        case 4:
            score += 800;
            break;
        }
    }

    // Draw the falling piece
    private void drawPiece(Graphics g) {
        g.setColor(tetraminoColors[currentPiece]);
        for (Point p : Tetraminos[currentPiece][rotation]) {
            g.fillRect((p.x + pieceOrigin.x) * 26, 
                       (p.y + pieceOrigin.y) * 26, 
                       25, 25);
        }
    }

    @Override 
    public void paintComponent(Graphics g)
    {
        // Paint the well
        g.fillRect(0, 0, 26*12, 26*23);
        for (int i = 0; i < 12; i++) {
            for (int j = 0; j < 23; j++) {
                g.setColor(well[i][j]);
                g.fillRect(26*i, 26*j, 25, 25);
            }
        }

        // Display the score
        g.setColor(Color.WHITE);
        g.drawString("" + score, 19*12, 25);

        // Draw the currently falling piece
        drawPiece(g);
    }

    public static void main(String[] args) {
        JFrame f = new JFrame("Tetris");
        f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        f.setSize(12*26+10, 26*23+25);
        f.setVisible(true);

        final Tetris game = new Tetris();
        game.init();
        f.add(game);

        // Keyboard controls
        f.addKeyListener(new KeyListener() {
            public void keyTyped(KeyEvent e) {
                switch (e.getKeyChar()) {
                case 'a':
                    game.move(-1);
                    break;
                case 'd':
                    game.move(+1);
                    break;
                case 's':
                    game.dropDown();
                    game.score += 1;
                    break;
                case 'w':
                    game.rotate(+1);
                    break;
                case 'q':
                    game.rotate(-1);
                    break;
                }
            }

            public void keyPressed(KeyEvent e) {
                switch (e.getKeyCode()) {
                case KeyEvent.VK_LEFT:
                    game.move(-1);
                    break;
                case KeyEvent.VK_RIGHT:
                    game.move(+1);
                    break;
                case KeyEvent.VK_DOWN:
                    game.dropDown();
                    game.score += 1;
                    break;
                case KeyEvent.VK_UP:
                    game.rotate(+1);
                    break;
                case KeyEvent.VK_CONTROL:
                    game.rotate(-1);
                    break;
                }
            }

            public void keyReleased(KeyEvent e) {
            }
        });

        // Make the falling piece drop every second
        new Timer(1000, game).start();
    }

    @Override
    public void actionPerformed(ActionEvent e) {
        dropDown();
    }

    @Override
    public void keyPressed(KeyEvent e) {
    }

    @Override
    public void keyReleased(KeyEvent e) {
    }

}

这只是一个基本的示例，如果你想要实现更多的功能或添加更多的特性，你可以根据自己的需求进行修改和扩展。