本篇帖的是部分動(dòng)作代碼。

每個(gè)方法前都有注釋說(shuō)明本方法的功能。

//隨機(jī)選取一個(gè)位置，并填入數(shù)字2.如果此位置中已有數(shù)字，那么換一個(gè)位置。

public void rule(){

x=ran.nextInt(4);

y=ran.nextInt(4);

//System.out.println(x+""+y);

String s=shuzi[x][y].getText();

if (s.equals(" ")) {

shuzi[x][y].setText("2");

count++;

} else {

rule();

}

}

//重新游戲。為游戲按鈕中的每個(gè)按鈕取消上面的數(shù)字，并重新調(diào)用rule()開始新一輪的游戲，并將幾個(gè)變量設(shè)置為其初始值。

public void again(){

for(int i=0;i<4;i++)

for(int j=0;j<4;j++)

shuzi[i][j].setText(" ");

count=0;

iswin=false;

result.setVisible(false);

rule();

}

//判斷游戲是否結(jié)束，是否勝利

public boolean win(String s){

//System.out.println(s);

int n=Integer.parseInt(s);

if(n==2048){

JOptionPane.showMessageDialog(this, "恭喜您，勝利了！");

iswin=true;

}

else if(n>2048)

{

JOptionPane.showMessageDialog(this, "數(shù)字大于2048，有誤!!!游戲重新開始！");

iswin=true;

}

return iswin;

}

//向上合并的規(guī)則

public void uprule(){

if(iswin){

result.setVisible(true);

}

else{

int i=1,j=0; 

for(i=1;i<4;i++){

for(j=0;j<4;j++){

str = shuzi[i][j].getText();

st = shuzi[i-1][j].getText();

if (st.equals(" ")&&!str.equals(" ")) {

shuzi[i-1][j].setText(str);

shuzi[i][j].setText(" ");

//System.out.println(str);

if(win(str))

break;

} 

else if(!st.equals(" ")&&!str.equals(" ")){

num = Integer.parseInt(st);

number=Integer.parseInt(str);

num*=number;

//System.out.println(num);

String s=String.valueOf(num);

shuzi[i-1][j].setText(s);

shuzi[i][j].setText(" ");

if(win(s))

break;

}

}

}

if(!iswin)

rule();

}

}

//向左合并的規(guī)則

public void leftrule(){

if(iswin){

result.setVisible(true);

}

else{

int i=0,j=1;

for(i=0;i<4;i++){

for(j=1;j<4;j++){

str = shuzi[i][j].getText();

st = shuzi[i][j-1].getText();

if (st.equals(" ")&&!str.equals(" ")) {

shuzi[i][j-1].setText(str);

shuzi[i][j].setText(" ");

if(win(str))

break;

//System.out.println(str);

} else if(!st.equals(" ")&&!str.equals(" ")){

num = Integer.parseInt(st);

number=Integer.parseInt(str);

num*=number;

//System.out.println(num);

String s=String.valueOf(num);

shuzi[i][j-1].setText(s);

shuzi[i][j].setText(" ");

if(win(s))

break;

}

}

}

if(!iswin)

rule();

}

}

//向下合并的規(guī)則

public void downrule(){

if(iswin){

result.setVisible(true);

}

else{

int i=0,j=0;

for(i=0;i<3;i++){

for(j=0;j<4;j++){

str = shuzi[i][j].getText();

st = shuzi[i+1][j].getText();

if (st.equals(" ")&&!str.equals(" ")) {

shuzi[i+1][j].setText(str);

shuzi[i][j].setText(" ");

if(win(str))

break;

//System.out.println(str);

} else if(!st.equals(" ")&&!str.equals(" ")){

num = Integer.parseInt(st);

number=Integer.parseInt(str);

number*=num;

//System.out.println(number);

String s=String.valueOf(number);

shuzi[i+1][j].setText(s);

shuzi[i][j].setText(" ");

if(win(s))

break;

}

}

}

if(!iswin)

rule();

}

}

//向右合并的規(guī)則

public void rightrule(){

if(iswin){

result.setVisible(true);

}

else{

int i=0,j=0;

for(i=0;i<4;i++){

for(j=0;j<3;j++){

str = shuzi[i][j].getText();

st = shuzi[i][j+1].getText();

if (st.equals(" ")&&!str.equals(" ")) {

shuzi[i][j+1].setText(str);

shuzi[i][j].setText(" ");

if(win(str))

break;

//System.out.println(str);

} else if(!st.equals(" ")&&!str.equals(" ")){

num = Integer.parseInt(st);

number=Integer.parseInt(str);

number*=num;

//System.out.println(number);

String s=String.valueOf(number);

shuzi[i][j+1].setText(s);

shuzi[i][j].setText(" ");

if(win(s))

break;

}

}

}

if(!iswin)

rule();

}

}