java 2048源代码

package view; import javax.swing.*; import java.awt.*; import java.awt.event.*; import java.util.ArrayList; public class Start { public static void main(String[] args) { View v = new View(); } } /** * 2048游戏界面 * @author xiaoan * */ class View extends JFrame{ NumLabel[] jl; //数字标签 JPanel jp; int index,num; //随机出现的标签，和标签上的数字 GridLayout g; public View(){ jp = new JPanel(); jl = new NumLabel[16]; g = new GridLayout(4,4,5,5); jp.setLayout(g); this.add(jp); for(int i=0;i<jl.length;i++){ //在界面上添加标签 jl[i] = new NumLabel(); jl[i].setHorizontalAlignment(SwingConstants.CENTER); jl[i].setOpaque(true); jp.add(jl[i]); } index = (int)(Math.random()*16); jl[index].setText(String.valueOf(2)); index = (int)(Math.random()*16); while(!jl[index].getText().equals("")){ index = (int)(Math.random()*15); } jl[index].setText(String.valueOf(2)); this.setBounds(Toolkit.getDefaultToolkit().getScreenSize().width/2-200,Toolkit.getDefaultToolkit().getScreenSize().height/2-200,400,400); //窗口大小位置 this.setTitle("2048"); //标题 this.setVisible(true); //窗口可见 this.setResizable(false); //禁止最大化 this.setDefaultCloseOperation(this.DISPOSE_ON_CLOSE); this.addKeyListener(new Event()); } private void ranNum(){ if(Math.random()>0.5){ //按按键后显示的数字 num = 4; }else{ num = 2; } index = (int)(Math.random()*16); while(!jl[index].getText().equals("")){ index = (int)(Math.random()*16); } jl[index].setText(String.valueOf(num)); } class Event implements KeyListener{//上下左右按键 boolean b; public void keyTyped(KeyEvent e) { } public void keyPressed(KeyEvent e) { if(e.getKeyCode()==KeyEvent.VK_UP){ for(int i=4;i<8;i++){ if(jl[i-4].getText().equals("")&&!jl[i].getText().equals("")){ jl[i-4].setText(jl[i].getText()); jl[i].setText(""); b = true; }else if(jl[i-4].isAdd==false&&jl[i-4].getText().equals(jl[i].getText())&&!jl[i].getText().equals("")){ jl[i-4].setText(String.valueOf(Integer.parseInt(jl[i].getText())*2)); jl[i].setText(""); jl[i-4].isAdd=true; b = true; } } for(int i=8;i<12;i++){ if(jl[i-8].getText().equals("")&&jl[i-4].getText().equals("")&&!jl[i].getText().equals("")){ jl[i-8].setText(jl[i].getText()); jl[i].setText(""); b = true; }else if(jl[i-8].isAdd==false&&jl[i-8].getText().equals(jl[i].getText())&&jl[i-4].getText().equals("")&&!jl[i].getText().equals("")){ jl[i-8].setText(String.valueOf(Integer.parseInt(jl[i].getText())*2)); jl[i].setText(""); jl[i-8].isAdd=true; b = true; }else if(jl[i-4].getText().equals("")&&!jl[i].getText().equals("")){ jl[i-4].setText(jl[i].getText()); jl[i].setText(""); b = true; }else if(jl[i-4].isAdd==false&&jl[i-4].getText().equals(jl[i].getText())&&!jl[i].getText().equals("")){ jl[i-4].setText(String.valueOf(Integer.parseInt(jl[i].getText())*2)); jl[i].setText(""); jl[i-4].isAdd=true; b = true; } } for(int i=12;i<16;i++){ if(jl[i-12].getText().equals("")&&jl[i-8].getText().equals("")&&jl[i-4].getText().equals("")&&!jl[i].getText().equals("")){ jl[i-12].setText(jl[i].getText()); jl[i].setText(""); b = true; }else if(jl[i-12].isAdd==false&&jl[i-12].getText().equals(jl[i].getText())&&jl[i-8].getText().equals("")&&jl[i-4].getText().equals("")&&!jl[i].getText().equals("")){ jl[i-12].setText(String.valueOf(Integer.parseInt(jl[i].getText())*2)); jl[i].setText(""); jl[i-12].isAdd=true; b = true; }else if(jl[i-8].getText().equals("")&&jl[i-4].getText().equals("")&&!jl[i].getText().equals("")){ jl[i-8].setText(jl[i].getText()); jl[i].setText(""); b = true; }else if(jl[i-8].isAdd==false&&jl[i-8].getText().equals(jl[i].getText())&&jl[i-4].getText().equals("")&&!jl[i].getText().equals("")){ jl[i-8].setText(String.valueOf(Integer.parseInt(jl[i].getText())*2)); jl[i].setText(""); jl[i-8].isAdd=true; b = true; }else if(jl[i-4].getText().equals("")&&!jl[i].getText().equals("")){ jl[i-4].setText(jl[i].getText()); jl[i].setText(""); b = true; }else if(jl[i-4].isAdd==false&&jl[i-4].getText().equals(jl[i].getText())&&!jl[i].getText().equals("")){ jl[i-4].setText(String.valueOf(Integer.parseInt(jl[i].getText())*2)); jl[i].setText(""); jl[i-4].isAdd=true; b = true; } } for(int i=0;i<jl.length;i++){ jl[i].isAdd=false; } } if(e.getKeyCode()==KeyEvent.VK_DOWN){ for(int i=8;i<12;i++){ if(jl[i+4].getText().equals("")&&!jl[i].getText().equals("")){ jl[i+4].setText(jl[i].getText()); jl[i].setText(""); b = true; }else if(jl[i+4].isAdd==false&&jl[i+4].getText().equals(jl[i].getText())&&!jl[i].getText().equals("")){ jl[i+4].setText(String.valueOf(Integer.parseInt(jl[i].getText())*2)); jl[i].setText(""); jl[i+4].isAdd=true; b = true; } } for(int i=4;i<8;i++){ if(jl[i+8].getText().equals("")&&jl[i+4].getText().equals("")&&!jl[i].getText().equals("")){ jl[i+8].setText(jl[i].getText()); jl[i].setText(""); b = true; }else if(jl[i+8].isAdd==false&&jl[i+8].getText().equals(jl[i].getText())&&jl[i+4].getText().equals("")&&!jl[i].getText().equals("")){ jl[i+8].setText(String.valueOf(Integer.parseInt(jl[i].getText())*2)); jl[i].setText(""); jl[i+8].isAdd=true; b = true; }else if(jl[i+4].getText().equals("")&&!jl[i].getText().equals("")){ jl[i+4].setText(jl[i].getText()); jl[i].setText(""); b = true; }else if(jl[i+4].isAdd==false&&jl[i+4].getText().equals(jl[i].getText())&&!jl[i].getText().equals("")){ jl[i+4].setText(String.valueOf(Integer.parseInt(jl[i].getText())*2)); jl[i].setText(""); jl[i+4].isAdd=true; b = true; } } for(int i=0;i<4;i++){ if(jl[i+12].getText().equals("")&&jl[i+8].getText().equals("")&&jl[i+4].getText().equals("")&&!jl[i].getText().equals("")){ jl[i+12].setText(jl[i].getText()); jl[i].setText(""); b = true; }else if(jl[i+12].isAdd==false&&jl[i+12].getText().equals(jl[i].getText())&&jl[i+8].getText().equals("")&&jl[i+4].getText().equals("")&&!jl[i].getText().equals("")){ jl[i+12].setText(String.valueOf(Integer.parseInt(jl[i].getText())*2)); jl[i].setText(""); jl[i+12].isAdd=true; b = true; }else if(jl[i+8].getText().equals("")&&jl[i+4].getText().equals("")&&!jl[i].getText().equals("")){ jl[i+8].setText(jl[i].getText()); jl[i].setText(""); b = true; }else if(jl[i+8].isAdd==false&&jl[i+8].getText().equals(jl[i].getText())&&jl[i+4].getText().equals("")&&!jl[i].getText().equals("")){ jl[i+8].setText(String.valueOf(Integer.parseInt(jl[i].getText())*2)); jl[i].setText(""); jl[i+8].isAdd=true; b = true; }else if(jl[i+4].getText().equals("")&&!jl[i].getText().equals("")){ jl[i+4].setText(jl[i].getText()); jl[i].setText(""); b = true; }else if(jl[i+4].isAdd==false&&jl[i+4].getText().equals(jl[i].getText())&&!jl[i].getText().equals("")){ jl[i+4].setText(String.valueOf(Integer.parseInt(jl[i].getText())*2)); jl[i].setText(""); jl[i+4].isAdd=true; b = true; } } for(int i=0;i<jl.length;i++){ jl[i].isAdd=false; } } if(e.getKeyCode()==KeyEvent.VK_LEFT){ for(int i=1;i<=13;i=i+4){ if(jl[i-1].getText().equals("")&&!jl[i].getText().equals("")){ jl[i-1].setText(jl[i].getText()); jl[i].setText(""); b = true; }else if(jl[i-1].isAdd==false&&jl[i-1].getText().equals(jl[i].getText())&&!jl[i].getText().equals("")){ jl[i-1].setText(String.valueOf(Integer.parseInt(jl[i].getText())*2)); jl[i].setText