Java版2048游戏实现代码详解编程语言

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(); 
	} 
 
}