import java.awt.BorderLayout;import java.awt.Component;import java.awt.Container;import java.awt.Dimension;import java.awt.Font;import java.awt.Graphics;import java.awt.GridBagConstraints;import java.awt.GridBagLayout;import java.awt.Image;import java.awt.Point;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.awt.Toolkit;import java.io.File;import java.io.IOException;import java.util.Random; import javax.imageio.ImageIO;import javax.swing.ImageIcon;import javax.swing.JButton;import javax.swing.JFrame;import javax.swing.JMenu;import javax.swing.JMenuBar;import javax.swing.JMenuItem;import javax.swing.JOptionPane;import javax.swing.JPanel;import javax.swing.KeyStroke;class J_JPanel extends JPanel{    /**   *    */  private static final long serialVersionUID = 1L;  Image m_image;  int showpicture=0;  @SuppressWarnings("static-access")  public J_JPanel()throws IOException  {      J_Puzzle a = new J_Puzzle();    if(a.changetime==-1)      showpicture = 1;      File f = new File("樣圖"+showpicture+".jpg");      m_image = ImageIO.read(f);     }  public void paintComponent(Graphics g)  {          g.drawImage(m_image, 0, 0, 360, 360, this);  } }public class J_Puzzle extends JFrame implements ActionListener{   /**   *    */  private static final long serialVersionUID = 1L;  int i,j;  static int changetime = 0;  Container c = getContentPane();  JButton b[] = new JButton[16];  ImageIcon ic[][] = new ImageIcon[2][15];  public J_Puzzle() throws IOException  {           super("拼圖小游戲");         String pic_name[] = new String[15];    for(i = 0;i < 2;i ++)     for(j = 0;j < 15;j ++)      {       pic_name[j] = String.valueOf(j+1+i*15)+".jpg";       ic[i][j] = new ImageIcon(pic_name[j]);      }    JMenuBar mBar = new JMenuBar();    setJMenuBar(mBar);         int k = 0;        JMenu []m = {new JMenu("菜單(M)"),new JMenu("幫助(H)")};    char mC[][] = {{'M','H'},{'S','X','C','Z'},{'E','T'}};    JMenuItem mItem[][] = {{new JMenuItem("開始(S)"),new JMenuItem("重置(X)"),new JMenuItem("背景更換(C)"),new JMenuItem("退出(Z)")},{new JMenuItem("查看樣圖(E)"),new JMenuItem("關于(T)")}};    for(i = 0;i < 2;i ++)     {      mBar.add(m[i]);      m[i].setMnemonic(mC[0][i]);      if(i==0)k = 0;      else k = 1;      for(j = 0;j < 4-i-k;j ++)      {         m[i].add(mItem[i][j]);        mItem[i][j].setMnemonic(mC[i+1][j]);        mItem[i][j].setAccelerator(KeyStroke.getKeyStroke("ctrl"+mC[i+1][j]));        mItem[i][j].addActionListener(new ActionListener(){           public void actionPerformed(ActionEvent e)          {              JMenuItem mItem = (JMenuItem)e.getSource();            if(mItem.getText().equalsIgnoreCase("重置(X)")||mItem.getText().equalsIgnoreCase("開始(S)"))             {                           int location[][] = {{17,13},{17,103},{17,193},{17,283},{107,13},{107,103},{107,193},{107,283}                   ,{197,13},{197,103},{197,193},{197,283},{287,13},{287,103},{287,193},{287,283}};            int rd_number[] = new int[16];                     rd_number = randomnumber();            for(i = 1;i < 16;i ++)              b[i].setLocation(location[rd_number[i-1]-1][0],location[rd_number[i-1]-1][1]);             }            else if(mItem.getText().equalsIgnoreCase("背景更換(C)"))            {                             changetime++;              for(i = 0;i < 15;i ++)                {                b[i+1].setIcon(null);                                b[i+1].setIcon(ic[changetime][i]);                }              if(changetime==1)                changetime = -1;            }            else if(mItem.getText().equalsIgnoreCase("退出(Z)"))            {              int a = JOptionPane.showConfirmDialog(null, "您確定退出游戲？");              if(a==0)                System.exit(0);            }            else if(mItem.getText().equalsIgnoreCase("查看樣圖(E)"))            {                               JFrame jj = new JFrame("樣圖");                jj.setSize(360, 360);                jj.setLocation(Toolkit.getDefaultToolkit().getScreenSize().width/3-360,                     Toolkit.getDefaultToolkit().getScreenSize().height/4);                jj.setVisible(true);                Container c1 = jj.getContentPane();                                 try {                  c1.add(new J_JPanel(),BorderLayout.CENTER);                }                catch (IOException e1) {                  // TODO Auto-generated catch block                  e1.printStackTrace();                }            }            if(mItem.getText().equalsIgnoreCase("關于(T)"))            {              JOptionPane.showMessageDialog(null, "簡單拼圖小游戲/n制作人：菜鳥");            }                     }                     });      }           }    m[0].insertSeparator(1);m[1].insertSeparator(1);           GridBagLayout gr = new GridBagLayout();    c.setLayout(gr);         int gx[] = {0,1,2,3};    int gy[] = {0,1,2,3};    int k1;    Dimension d = new Dimension(90,90);    String s_number;    GridBagConstraints gc = new GridBagConstraints();    for(i = 1;i < 5;i ++)     {      if(i==4)k1=4;      else k1=5;      for(j = 1;j < k1;j ++)       {        gc.gridx = gx[j-1];        gc.gridy = gy[i-1];        gc.fill = GridBagConstraints.NONE;        s_number = String.valueOf(j+(i-1)*4);        b[j+(i-1)*4] = new JButton(s_number,ic[0][j+(i-1)*4-1]);        b[j+(i-1)*4].setPreferredSize(d);        b[j+(i-1)*4].setFont(new Font("宋體",Font.PLAIN,0));        gr.setConstraints(b[j+(i-1)*4],gc);          c.add(b[j+(i-1)*4]);              }     }        for(i = 1;i <16;i ++)       b[i].addActionListener(this);               }    public void actionPerformed(ActionEvent e)   {      int j;      JButton b = (JButton)e.getSource();           Point p = b.getLocation();       Point p1 = null;        for(j = -1;j < 2;j ++)        {                     if(p.y+j*90>283||p.y+j*90<13)            continue;          else          {             Component a = c.getComponentAt(p.x, p.y+j*90);            if(a.getHeight()!=90)              p1 = new Point(p.x,p.y+j*90);          }           }        for(j = -1;j < 2;j ++)        {             if(p.x+j*90>287||p.x+j*90<17)            continue;                             else          {            Component a = c.getComponentAt(p.x+j*90, p.y);            if(a.getHeight()!=90)                       p1 = new Point(p.x+j*90,p.y);           }                }        if(p1!=null)        b.setLocation(p1.x, p1.y);       if(check()==true)         JOptionPane.showMessageDialog(null, "恭喜您成功了");   }/*產生隨機數*/  public int[] randomnumber()  {     Random rd = new Random();      int n[] = new int[15];     for(int i = 0 ;i < 15;i ++)      {         int temp = rd.nextInt(15)+1;        n[i] = temp;        for(int j = 0;j < i;j ++)          if(n[j]==temp)          {                    i--;            break;          }                   }    return n;  }  /*判斷是否排序成功*/  public boolean check()  {     Point location[] = new Point[16];     boolean bo = false;     int count=0;     for(int i = 0;i < 4;i ++)       for(int j = 0;j < 4;j ++)        location[i*4+j] = new Point(17+j*90, 13+i*90);          for(int i = 0;i < 15;i ++)     {       if(b[i+1].getLocation().x==location[i].x&&b[i+1].getLocation().y==location[i].y)         count++;       if(count==15)         bo=true;     }        return bo;   }     public static void main(String args[]) throws IOException  {    J_Puzzle app = new J_Puzzle();    app.setDefaultCloseOperation(EXIT_ON_CLOSE);    app.setLocation(Toolkit.getDefaultToolkit().getScreenSize().width/3, Toolkit.getDefaultToolkit().getScreenSize().height/4);    app.setSize(400,440);    app.setVisible(true);    app.setResizable(false);   }}