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| import javax.swing.*; import java.awt.event.KeyEvent; import java.awt.event.KeyListener; import java.util.Random;
public class MyFrame extends JFrame implements KeyListener { int[][] data = { {1,2,3}, {4,5,6}, {7,8,9} };
int[][] victory = { {1,2,3}, {4,5,6}, {7,8,9} };
int row; int column; int count;
public MyFrame() { this.addKeyListener(this); initFrame(); initData(); paintView(); setVisible(true); }
public void initFrame() { setSize(590,635); setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE); setTitle("华容道"); setAlwaysOnTop(true); setLocationRelativeTo(null); setLayout(null); }
private void initData() { Random random = new Random(); for (int i = 0; i < data.length; i++) { for (int j = 0; j < data[i].length; j++) { int x = random.nextInt(3); int y = random.nextInt(3); int temp = data[i][j]; data[i][j] = data[x][y]; data[x][y] = temp; } }
for (int i = 0; i < data.length; i++) { for (int j = 0; j < data[i].length; j++) { if (data[i][j] == 9) { row = i; column = j; } } } }
public void paintView() { getContentPane().removeAll();
if(victory()){ JLabel win = new JLabel(new ImageIcon("E:\\Desktop\\pic\\win.png")); win.setBounds(120,220,270,90); getContentPane().add(win); }
JButton btn = new JButton("重新开始"); btn.setBounds(350,20,100,20); getContentPane().add(btn); btn.setFocusable(false); btn.addActionListener(e -> { count = 0; initData(); paintView(); });
JLabel jLabel = new JLabel("步数:" + count ); jLabel.setBounds(50,20,100,20); getContentPane().add(jLabel);
for(int i = 0 ; i < 3 ; i++) { for(int j = 0 ; j < 3 ; j++) { JLabel image = new JLabel(new ImageIcon("E:\\Desktop\\pic\\"+data[i][j]+".png")); image.setBounds(30+175*j,60+175*i,175,175); getContentPane().add(image); } }
getContentPane().repaint(); }
private boolean victory() { for (int i = 0; i < data.length; i++) { for (int j = 0; j < data[i].length; j++) { if (data[i][j] != victory[i][j]) { return false; } } } return true; }
private void move(int keyCode){ if(victory()){ return; } if(keyCode == 37 ){ if(column == 2){ return; } int temp = data[row][column]; data[row][column] = data[row][column + 1]; data[row][column + 1] = temp; column++; count++; }else if(keyCode == 38 ){ if(row == 2){ return; } int temp = data[row][column]; data[row][column] = data[row + 1][column]; data[row + 1][column] = temp; row++; count++; }else if(keyCode == 39 ){ if(column == 0){ return; } int temp = data[row][column]; data[row][column] = data[row][column - 1]; data[row][column - 1] = temp; column--; count++; }else if(keyCode == 40 ){ if(row == 0){ return; } int temp = data[row][column]; data[row][column] = data[row - 1][column]; data[row - 1][column] = temp; row--; count++; }else if (keyCode == 32) { data = new int[][]{ {1,2,3}, {4,5,6}, {7,8,9} }; }
}
@Override public void keyTyped(KeyEvent e) { }
@Override public void keyPressed(KeyEvent e) { int keyCode = e.getKeyCode(); move(keyCode); paintView(); }
@Override public void keyReleased(KeyEvent e) { } }
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