坑的地方

JLabel色块要调透明

方向键要用press方法

主界面

package game;import java.awt.BorderLayout;import java.awt.EventQueue;import java.awt.event.KeyEvent;import java.awt.event.KeyListener;import javax.swing.JFrame;import javax.swing.JOptionPane;import javax.swing.JPanel;import javax.swing.border.EmptyBorder;import java.awt.GridLayout;import java.awt.Color;public class Game extends JFrame implements KeyListener{    private JPanel contentPane;    Block[][] block1=new Block[4][4];//色块    GameSrc game=new GameSrc();//游戏类    int[][] pane=new int[4][4];//游戏类的数据    /**     * Launch the application.     */    public static void main(String[] args) {        EventQueue.invokeLater(new Runnable() {            public void run() {                try {                    Game frame = new Game();                    frame.setVisible(true);                } catch (Exception e) {                    e.printStackTrace();                }            }        });    }    /**     * Create the frame.     */    public Game() {        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);        setBounds(100, 100, 450, 300);        contentPane = new JPanel();        contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));        setContentPane(contentPane);        contentPane.setLayout(new GridLayout(4, 4, 5, 5));                game.newgame();        pane=game.getPane();        for(int i=0;i<4;i++){            for(int j=0;j<4;j++){                block1[i][j]=new Block();                block1[i][j].setValue(pane[i][j]);                contentPane.add(block1[i][j]);            }        }        this.addKeyListener(this);    }    @Override    public void keyTyped(KeyEvent e) {}    @Override    public void keyPressed(KeyEvent e) {        // TODO 自动生成的方法存根        if(e.getKeyCode()==KeyEvent.VK_LEFT){            game.left();            pane=game.getPane();            for(int i=0;i<4;i++){                for(int j=0;j<4;j++){                    block1[i][j].setValue(pane[i][j]);                }            }            if(game.gameOver()==1){                JOptionPane.showMessageDialog(this, "you lose");            }        }        else if(e.getKeyCode()==KeyEvent.VK_RIGHT){            game.right();            pane=game.getPane();            for(int i=0;i<4;i++){                for(int j=0;j<4;j++){                    block1[i][j].setValue(pane[i][j]);                }            }            if(game.gameOver()==1){                JOptionPane.showMessageDialog(this, "you lose");            }        }        else if(e.getKeyCode()==KeyEvent.VK_DOWN){            game.low();            pane=game.getPane();            for(int i=0;i<4;i++){                for(int j=0;j<4;j++){                    block1[i][j].setValue(pane[i][j]);                }            }            if(game.gameOver()==1){                JOptionPane.showMessageDialog(this, "you lose");            }        }        else if(e.getKeyCode()==KeyEvent.VK_UP){            game.up();            pane=game.getPane();            for(int i=0;i<4;i++){                for(int j=0;j<4;j++){                    block1[i][j].setValue(pane[i][j]);                }            }            if(game.gameOver()==1){                JOptionPane.showMessageDialog(this, "you lose");            }        }    }    @Override    public void keyReleased(KeyEvent e) {        // TODO 自动生成的方法存根            }}

本来逻辑代码

package game;import java.util.Random;public class GameSrc{    private int pane[][]=new int[4][4];    //棋盘    int gameOver()    //显示棋盘    {        int gameOver=1;//   判断游戏结束条件        for(int i=0;i<4;i++){            for(int j=0;j<4;j++){                if(pane[i][j]==0){                    gameOver=0;                }            }        }        return gameOver;    }    int[][] getPane(){
    //返回数据        return pane;    }    void newgame()    //开始游戏    {        for(int i=0;i<=3;i++)    //初始化棋盘            for(int j=0;j<=3;j++)                pane[i][j]=0;                Random random = new Random();        int m=random.nextInt(4);//产生一个0到4（不包括4的随机数）        int n=random.nextInt(4);        int p=random.nextInt(4);        int q=random.nextInt(4);                //在随机的位置上产生初值2        pane[m][n]=pane[p][q]=2;    }    void up(){
    //向上操作        int i,j,three;        boolean move=false;        for(j=0;j<4;j++){  //上移动            three=0;            for(i=0;i<4;i++){                if(pane[i][j]>0){                    if(i!=three)                        move=true;                    int t=pane[i][j];                    pane[i][j]=0;                    pane[three][j]=t;                    three++;                }            }        }        for(j=0;j<4;j++){  //合并数            for(i=0;i<3;i++){                if(pane[i][j]==pane[i+1][j]&&pane[i][j]!=0){                    move=true;                    pane[i][j]=pane[i][j]*2;                    pane[i+1][j]=0;                    int k=i+1;                    for(;k+1<=3&&pane[k+1][j]>0;k++){                        pane[k][j]=pane[k+1][j];                        pane[k+1][j]=0;                    }                }            }        }        if(move)            random();//产生随机数    }    void low(){ //向下        int i,j,three;        boolean move=false;        for(j=0;j<4;j++){
    //下移动             three=3;            for(i=3;i>=0;i--){                if(pane[i][j]>0){                    if(i!=three)                        move=true;                    int t=pane[i][j];                    pane[i][j]=0;                    pane[i+three-i][j]=t;                    three--;                }            }        }        for(j=0;j<4;j++){
    //合并数            for(i=3;i>0;i--){                if(pane[i][j]==pane[i-1][j]&&pane[i][j]!=0){                    move=true;                    pane[i][j]=pane[i][j]*2;                    pane[i-1][j]=0;                    int k=i-1;                    for(;k-1>=0&&pane[k-1][j]>0;k--){                        pane[k][j]=pane[k-1][j];                        pane[k-1][j]=0;                    }                }            }        }        if(move)            random();        }    void left(){
    //向左        int i,j,three;        boolean move=false;        for(i=0;i<4;i++){
    //左移动            three=0;            for(j=0;j<4;j++){                if(pane[i][j]>0){                    if(j!=three)                        move=true;                    int t=pane[i][j];                    pane[i][j]=0;                    pane[i][three]=t;                    three++;                }            }        }        for(i=0;i<4;i++){
    //合并数            for(j=0;j<3;j++){                if(pane[i][j]==pane[i][j+1]&&pane[i][j]!=0){                    move=true;                    pane[i][j]=pane[i][j]*2;                    pane[i][j+1]=0;                    int k=j+1;                    for(;k+1<=3&&pane[i][k+1]>0;k++){                        pane[i][k]=pane[i][k+1];                        pane[i][k+1]=0;                    }                }            }        }        if(move)            random();            }    void right(){
    //右移        int i,j,three;        boolean move=false;        for(i=0;i<4;i++){            three=3;            for(j=3;j>=0;j--){
    //右移动                if(pane[i][j]>0){                    if(j!=three)                        move=true;                    int t=pane[i][j];                    pane[i][j]=0;                    pane[i][three]=t;                    three--;                }            }        }        for(i=0;i<4;i++){
    //合并数            for(j=3;j>0;j--){                if(pane[i][j]==pane[i][j-1]&&pane[i][j]!=0){                    move=true;                    pane[i][j]=pane[i][j]*2;                    pane[i][j-1]=0;                    int k=j-1;                    for(;k-1>=0&&pane[i][k-1]>0;k--){                        pane[i][k]=pane[i][k-1];                        pane[i][k-1]=0;                    }                }            }        }        if(move)            random();    }    void random(){
    //产生随机数        Random random = new Random();        int m=random.nextInt(4);//产生一个0到4（不包括4的随机数）        int n=random.nextInt(4);        for(;pane[m][n]!=0;){            m=random.nextInt(4);//产生一个0到4（不包括4的随机数）            n=random.nextInt(4);        }        if(random.nextBoolean())            pane[m][n]=2;        else             pane[m][n]=4;    }    }

色块代码

package game;import javax.swing.*; import java.awt.*; public class Block extends JLabel  {   private int value;   public Block()    {     value = 0;//初始化值为0     setFont(new Font("font", Font.PLAIN, 40));//设定字体     setBackground(Color.gray);//设定初始颜色为灰色   }      public int getValue()//获取值   {     return value;   }      public void setValue(int value)   {     this.value = value;     String text = String.valueOf(value);     if (value != 0)       setText(text);     else      setText("");//如果值为0则不显示    setOpaque(true);    setColor();   }      public void setColor() //根据值的不同设定不同的背景颜色、label字体   {    switch (value)        {     case 0:       setBackground(Color.gray);       break;     case 2:       setBackground(new Color(238, 228, 218));       break;     case 4:       setBackground(new Color(238, 224, 198));       break;     case 8:       setBackground(new Color(243, 177, 116));       break;     case 16:       setBackground(new Color(243, 177, 116));       break;     case 32:       setBackground(new Color(248, 149, 90));       break;     case 64:       setBackground(new Color(249, 94, 50));       break;     case 128:       setBackground(new Color(239, 207, 108));       break;     case 256:       setBackground(new Color(239, 207, 99));       break;     case 512:       setBackground(new Color(239, 203, 82));       break;     case 1024:       setBackground(new Color(239, 199, 57));       break;     case 2048:       setBackground(new Color(239, 195, 41));       break;     case 4096:       setBackground(new Color(255, 60, 57));       break;       }   } }