Frame.java ~ 9KB         

package Java_2048;    import java.awt.BorderLayout;  import java.awt.Color;  import java.awt.Container;  import java.awt.FlowLayout;  import java.awt.GridLayout;  import java.awt.event.ActionEvent;  import java.awt.event.ActionListener;  import java.util.Random;    import javax.swing.*;    @SuppressWarnings("serial")  public class Frame extends JFrame{     /**    * @param args    */   Container thisContainer;    JLabel label;   JPanel panel1,panel2,panel3;  // JPanel panel3 = new JPanel();   JButton numBtn[][]=new JButton[4][4];   JButton controlBtn[]=new JButton[4];   JButton playAgainButton,exitButton;   int grid[][]=new int[4][4],score=0;   Action_2048 act=new Action_2048();      public void Init(){    this.setBounds(280,100,500,450);    this.setTitle("Java版2048");    this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);        label=new JLabel("Score:");    label.setForeground(Color.red);    thisContainer=this.getContentPane();    panel1=new JPanel();    panel2=new JPanel();    panel3=new JPanel();    thisContainer.add(panel1,BorderLayout.NORTH);     thisContainer.add(panel2,BorderLayout.CENTER);    thisContainer.add(panel3,BorderLayout.SOUTH);        panel1.setLayout(new FlowLayout());    panel1.add(label);        //对数组面板panel2布局    panel2.setLayout(new GridLayout(4,4));    for(int i=0;i<4;i++){     for(int j=0;j<4;j++){      numBtn[i][j]=new JButton();      grid[i][j]=0;      numBtn[i][j]=new JButton(String.valueOf(grid[i][j]));      numBtn[i][j].setFont(new java.awt.Font("Segoe UI Symbol",1, 25));  //    设置背景色      numBtn[i][j].setBackground(Color.CYAN);  //    设置按钮不要边框  //    numBtn[i][j].setBorderPainted(false);      //设置凸起来的按钮，很多其他的swing也可用此方法      numBtn[i][j].setBorder(BorderFactory.createRaisedBevelBorder());  //    设置凹起来的按钮，很多其他的swing也可用此方法  //    numBtn[i][j].setBorder(BorderFactory.createLoweredBevelBorder());      panel2.add(numBtn[i][j]);     }    }    int k=(int)Math.round(Math.random()*15);    int i=k/4;    int j=k%4;    grid[i][j]=2;    numBtn[i][j].setText(String.valueOf(grid[i][j]));        //对方向控制按钮进行布局以及对"退出"、"再来一局"进行布局    panel3.setLayout(new FlowLayout());    controlBtn[0] = new JButton("↑");    controlBtn[1] = new JButton("↓");    controlBtn[2] = new JButton("←");    controlBtn[3] = new JButton("→");        for(i=0;i<4;i++){     controlBtn[i].addActionListener(act);     panel3.add(controlBtn[i]);    }    playAgainButton=new JButton("再来一局");     exitButton=new JButton("退出");    playAgainButton.addActionListener(act);    exitButton.addActionListener(act);    panel3.add(exitButton);    panel3.add(playAgainButton);          this.setVisible(true);   }   class Action_2048 implements ActionListener{    @Override    public void actionPerformed(ActionEvent e) {     // TODO Auto-generated method stub     int f=0,TongGuanF=0;     //"↑"————controlBtn[0]     if(e.getSource()==controlBtn[0]){      int i=0,j=0,n,t[]={0,0,0,0};      int b[][]=new int[4][4];      for(i=0;i<4;i++)      {       n=0;       for(j=0;j<4;j++)       {        b[j][i]=grid[j][i];        if(grid[j][i]!=0)        {         t[n++]=grid[j][i];        }       }       for(j=0;j<4;j++)       {        grid[j][i]=t[j];        numBtn[j][i].setText(String.valueOf(grid[j][i]));        t[j]=0;  //避免下一列受上一列的影响       }      }      for(i=0;i<4;i++)      {       for(j=0;j<4;j++)       {        if(grid[i][j]!=b[i][j])        {         f=1;         break;        }       }       if(f==1)        break;      }          for(i=0;i<4;i++)      {       for(j=0;j<3;j++)       {        if((grid[j][i]==grid[j+1][i])&&(grid[j][i]!=0))        {         f=1;         grid[j][i]=2*grid[j][i];         numBtn[j][i].setText(String.valueOf(grid[j][i]));         score+=grid[j][i];         for(n=j+1;n<3;n++)         {          grid[n][i]=grid[n+1][i];          numBtn[n][i].setText(String.valueOf(grid[n][i]));         }         grid[n][i]=0;         numBtn[n][i].setText(String.valueOf(grid[n][i]));        }       }      }     }     if(e.getSource()==controlBtn[1]){      int i=0,j=0,n,t[]={0,0,0,0};      int b[][]=new int[4][4];      for(i=0;i<4;i++)      {       n=0;       for(j=0;j<4;j++)       {        b[j][i]=grid[j][i];        if(grid[j][i]!=0)        {         t[n++]=grid[j][i];        }       }       for(j=3;j>=0;j--)       {        if(n>0)        {         grid[j][i]=t[n-1];         numBtn[j][i].setText(String.valueOf(grid[j][i]));         n--;        }else{         grid[j][i]=0;  //避免下一列受上一列的影响         numBtn[j][i].setText(String.valueOf(grid[j][i]));        }       }      }      for(i=0;i<4;i++)      {       for(j=0;j<4;j++)       {        if(grid[i][j]!=b[i][j])        {         f=1;         break;        }       }       if(f==1)        break;      }          for(i=0;i<4;i++)      {       for(j=3;j>0;j--)       {        if((grid[j][i]==grid[j-1][i])&&(grid[j][i]!=0))        {         f=1;         grid[j][i]=2*grid[j][i];         numBtn[j][i].setText(String.valueOf(grid[j][i]));         score+=grid[j][i];         for(n=j-1;n>0;n--)         {          grid[n][i]=grid[n-1][i];          numBtn[n][i].setText(String.valueOf(grid[n][i]));         }         grid[n][i]=0;         numBtn[n][i].setText(String.valueOf(grid[n][i]));        }       }      }     }     if(e.getSource()==controlBtn[2]){      int i=0,j=0,n,t[]={0,0,0,0};      int b[][]=new int[4][4];      for(i=0;i<4;i++)      {       n=0;       for(j=0;j<4;j++)       {        b[i][j]=grid[i][j];        if(grid[i][j]!=0)        {         t[n++]=grid[i][j];        }       }       for(j=0;j<4;j++)       {        grid[i][j]=t[j];        numBtn[i][j].setText(String.valueOf(grid[i][j]));        t[j]=0;  //避免下一行受上一行的影响       }      }      for(i=0;i<4;i++)      {       for(j=0;j<4;j++)       {        if(grid[i][j]!=b[i][j])        {         f=1;         break;        }       }       if(f==1)        break;      }          for(i=0;i<4;i++)      {       for(j=0;j<3;j++)       {        if((grid[i][j]==grid[i][j+1])&&(grid[i][j]!=0))        {         f=1;         grid[i][j]=grid[i][j]*2;         numBtn[i][j].setText(String.valueOf(grid[i][j]));         score+=grid[i][j];         for(n=j+1;n<3;n++)         {          grid[i][n]=grid[i][n+1];          numBtn[i][n].setText(String.valueOf(grid[i][n]));         }         grid[i][n]=0;         numBtn[i][n].setText(String.valueOf(grid[i][n]));        }       }      }     }     if(e.getSource()==controlBtn[3]){      int i=0,j=0,n,t[]={0,0,0,0};      int b[][]=new int[4][4];      for(i=0;i<4;i++)      {       n=0;       for(j=0;j<4;j++)       {        b[i][j]=grid[i][j];        if(grid[i][j]!=0)        {         t[n++]=grid[i][j];        }       }       for(j=3;j>=0;j--)       {        if(n>0)        {         grid[i][j]=t[n-1];         n--;         t[n]=0;         numBtn[i][j].setText(String.valueOf(grid[i][j]));        }else{         grid[i][j]=0;         numBtn[i][j].setText(String.valueOf(grid[i][j]));        }                //避免下一行受上一行的影响       }      }      for(i=0;i<4;i++)      {       for(j=0;j<4;j++)       {        if(grid[i][j]!=b[i][j])        {         f=1;         break;        }       }       if(f==1)        break;      }          for(i=0;i<4;i++)      {       for(j=3;j>0;j--)       {        if((grid[i][j]==grid[i][j-1])&&(grid[i][j]!=0))        {         f=1;         grid[i][j]=grid[i][j]*2;         numBtn[i][j].setText(String.valueOf(grid[i][j]));         score+=grid[i][j];         for(n=j-1;n>0;n--)         {          grid[i][n]=grid[i][n-1];          numBtn[i][n].setText(String.valueOf(grid[i][n]));         }         grid[i][n]=0;         numBtn[i][n].setText(String.valueOf(grid[i][n]));        }       }      }     }     if(e.getSource()==playAgainButton){      for(int i=0;i<4;i++){       for(int j=0;j<4;j++){        grid[i][j]=0;        numBtn[i][j].setText(String.valueOf(grid[i][j]));       }      }      int k=(int)Math.round(Math.random()*15);      int i=k/4;      int j=k%4;      grid[i][j]=2;      numBtn[i][j].setText(String.valueOf(grid[i][j]));     }     if(e.getSource()==exitButton){      System.exit(0);     }          //产生新数2、4     if(f==1){      int r[]=new int[16];      int n=0,i,j;      for(i=0;i<4;i++)      {       for(j=0;j<4;j++)       {        if((grid[i][j]==0))        {         r[n]=i*4+j;         n++;        }       }      }        Random rd=new Random();      int k=rd.nextInt(n);      i=r[k]/4;      j=r[k]%4;      if((i+j)%5!=0)      {       grid[i][j]=2;      }      else{       grid[i][j]=4;      }      numBtn[i][j].setText(String.valueOf(grid[i][j]));      if(score>5000){       for(i=0;i<4;i++){        for(j=0;j<4;j++){         if(grid[i][j]==2048)          TongGuanF=1;        }       }      }      if(TongGuanF==1)       label.setText("恭喜过关！");      else       label.setText("Score:  "+String.valueOf(score)+"分");      }    }       }      public static void main(String[] args) {    // TODO Auto-generated method stub    Frame f=new Frame();    f.Init();   }    }