import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
public class Piece extends JFrame
{
//放數字九官格
private String [][] box = new String[][]{{"1","2","3"},
{"4","5","6"},
{"7","8"," "}};
private keyLis kl = new keyLis();//鍵盤事件
private ButtonHandler bh = new ButtonHandler();//功能表單事件
private final int LEFT = 37,UP = 38, RIGHT = 39, DOWN = 40;
private JLabel [] jl = new JLabel [9];
private JMenuBar jmb;
private JMenu game = new JMenu("遊戲");;
private JMenuItem [] gm = new JMenuItem[3];
private boolean isStart = false; //遊戲開始
//初始化遊戲變數值
private String[][] init()
{
final int ROW = 3, COL = 3;
String [][] boxTemp = new String[][]{{"1","2","3"},
{"4","5","6"},
{"7","8"," "}};
//用亂數打亂數字的排列
for(int count = 0; count < 200; count++)
{
String temp = " ";
int [] zero = null;
int ranNum = (int)(Math.random()*4)+LEFT;
zero = getZero(boxTemp); //取得0的位置
switch(ranNum)
{
case LEFT: //左移
if(zero[1]+1<boxTemp[zero[0]].length)
{
temp = boxTemp[zero[0]][zero[1]+1];
boxTemp[zero[0]][zero[1]+1] = " ";
}
break;
case UP: //上移
if(zero[0]+1<boxTemp.length)
{
temp = boxTemp[zero[0]+1][zero[1]];
boxTemp[zero[0]+1][zero[1]] = " ";
}
break;
case RIGHT: //右移
if(zero[1]-1 >= 0)
{
temp = boxTemp[zero[0]][zero[1]-1];
boxTemp[zero[0]][zero[1]-1] = " ";
}
break;
case DOWN: //下移
if(zero[0]-1 >= 0)
{
temp = boxTemp[zero[0]-1][zero[1]];
boxTemp[zero[0]-1][zero[1]] = " ";
}
break;
default:
}
boxTemp[zero[0]][zero[1]] = temp;
}
return boxTemp;
}
//取得0的位置
private int [] getZero(String [][] boxArr)
{
int location[] = new int[2];
for(int r = 0; r < boxArr.length; r++)
{
for(int c = 0; c < boxArr[r].length; c++)
{
//取得數字0的位置
if(boxArr[r][c].equals(" "))
{
location[0] = r; //" "的x位置
location[1] = c; //" "的y位置
}
}
}
return location;
}
public Piece()
{
super("數字拼圖");
Container c = getContentPane();
c = this.getContentPane();
jmb = new JMenuBar();
this.setJMenuBar(jmb); //加入工具列
//遊戲的選擇項目
jmb.add(game);
gm[0] = new JMenuItem("新局");
gm[1] = new JMenuItem("放棄");
gm[2] = new JMenuItem("結束遊戲");
game.add(gm[0]);
game.add(gm[1]);
game.addSeparator();
game.add(gm[2]);
gm[1].setEnabled(false);
//數字的排為3*3
c.setLayout(new GridLayout(3,3));
for(int i = 0; i < jl.length; i++)
{
jl[i] = new JLabel(" "+box[i/box.length][i%box.length]);
jl[i].setFont(new Font("Serif",Font.BOLD,40));
c.add(jl[i]);
}
//設定視窗
setSize(200,200);
setLocation(300,250);
setResizable(false);//視窗放大按鈕無效
setVisible(true);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
//註冊功能表單傾聽者
for(int m=0;m<gm.length;m++)
gm[m].addActionListener(bh);
//註冊鍵盤傾聽者
this.addKeyListener(kl);
}
//鍵盤事件處理
private class keyLis implements KeyListener
{
public void keyPressed(KeyEvent e)
{
if(isStart == true)
{
String temp = " ";
int [] zero = null;
zero = getZero(box); //取得" "的位置
switch(e.getKeyCode())
{
case LEFT: //按左鍵
if(zero[1]+1<box[zero[0]].length)
{
temp = box[zero[0]][zero[1]+1];
box[zero[0]][zero[1]+1] = " ";
}
break;
case UP: //按上鍵
if(zero[0]+1<box.length)
{
temp = box[zero[0]+1][zero[1]];
box[zero[0]+1][zero[1]] = " ";
}
break;
case RIGHT: //按右鍵
if(zero[1]-1 >= 0)
{
temp = box[zero[0]][zero[1]-1];
box[zero[0]][zero[1]-1] = " ";
}
break;
case DOWN: //按下鍵
if(zero[0]-1 >= 0)
{
temp = box[zero[0]-1][zero[1]];
box[zero[0]-1][zero[1]] = " ";
}
break;
default:
}
box[zero[0]][zero[1]] = temp;
//更新數字顯示的位置
for(int i=0; i< jl.length; i++)
jl[i].setText(" "+box[i/box.length][i%box.length]);
//判斷是否過關
if(box[0][0].equals("1") && box[0][1].equals("2") &&
box[0][2].equals("3") && box[1][0].equals("4") &&
box[1][1].equals("5") && box[1][2].equals("6") &&
box[2][0].equals("7") && box[2][1].equals("8") &&
box[2][2].equals(" ")
)
{
JOptionPane.showMessageDialog(null, "過關了!!", "訊息",
JOptionPane.INFORMATION_MESSAGE);
//判斷是否再玩一次
if(JOptionPane.showConfirmDialog(null, "再玩一次？", "訊息",
JOptionPane.YES_NO_OPTION) == 0
)
{
box = init();
for(int i=0; i< jl.length; i++)//更新數字顯示的位置
jl[i].setText(" "+box[i/box.length][i%box.length]);
}
else System.exit(0); //結束遊戲
}
}
}
public void keyReleased(KeyEvent e){}
public void keyTyped(KeyEvent e){}
}
//功能表單事件處理
private class ButtonHandler implements ActionListener
{
public void actionPerformed(ActionEvent ae)
{
if(ae.getSource() == gm[0]) //新局
{
box = init();
for(int i=0; i< jl.length; i++)//更新數字顯示的位置
jl[i].setText(" "+box[i/box.length][i%box.length]);
isStart = true;
gm[1].setEnabled(true);
}
else if(ae.getSource() == gm[1]) //放棄
{
isStart = false;
for(int i=0; i< jl.length; i++)//初始化數字顯示的位置
{
box[i/box.length][i%box.length] = Integer.toString(i+1);
if(box[i/box.length][i%box.length].equals("9")) box[i/box.length][i%box.length] = " ";
jl[i].setText(" "+box[i/box.length][i%box.length]);
}
}
else if(ae.getSource() == gm[2]) //結束遊戲
{
System.exit(0);
}
}
}
public static void main(String [] args)
{
new Piece();
}
}
2.完成圖
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