shudu.java

我写的自动解数独题目的小程序,用回朔递归解的 有兴趣的可以看看 很简单的小程序

package shudu;
import java.awt.*;
import java.awt.event.*;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;

import javax.swing.*;
/*
 * Created by JFormDesigner on Wed Dec 31 17:41:39 CST 2008
 */



/**
 * @author l h
 */
public class shudu extends JFrame {
	
	/**
	 * 
	 */
	private static final long serialVersionUID = 5522812837352627681L;
	private JLabel selectedSquare;
	private JLabel selectedNumber;
	private Color previousNumbercolor;
	public shudu() {
		try { 
			UIManager.setLookAndFeel ("com.sun.java.swing.plaf.windows.WindowsLookAndFeel"); 
			javax.swing.SwingUtilities.updateComponentTreeUI(this); 
			} catch(Exception e) { 
			e.printStackTrace(); 
			}
		selectedSquare = null;
		selectedNumber = null;
		previousNumbercolor = null;
		initComponents();
		for(int i=0;i<9;i++)
		{
			answer[i].setEnabled(false);
		}
		ok.setEnabled(false);
		
	}
	public void updateSquare(int sb,int sq,int number)
	{
		board[sb][sq].setText(number+"");
	}
	private void selectedSquare(MouseEvent e) {
		if(selectedSquare != null)
		{
			selectedSquare.setIcon(null);
		}
		selectedSquare = (JLabel)e.getSource();
		selectedSquare.setIcon(new ImageIcon("aim.GIF"));
		for(int i=0;i<9;i++)
		{
			answer[i].setEnabled(true);
		}
		ok.setEnabled(true);
	}

	private void startActionPerformed(ActionEvent e) {
		int[][] squ = new int[9][9];
		for(int i=0;i<9;i++)
		{
			for(int j=0;j<9;j++)
			{
				if(board[i][j].getText().isEmpty())
				squ[i][j]=0;
				else
					squ[i][j]= Integer.parseInt(board[i][j].getText());
			}
		}
		board b = new board(this,squ);
		b.start();
	}
	private void saveActionPerformed(ActionEvent e)
	{
		int[][] squ = new int[9][9];
		for(int i=0;i<9;i++)
		{
			for(int j=0;j<9;j++)
			{
				if(board[i][j].getText().isEmpty())
				squ[i][j]=0;
				else
					squ[i][j]= Integer.parseInt(board[i][j].getText());
			}
		}
		ObjectOutputStream output;
		try {
			JFileChooser fileChooser=new JFileChooser();
			fileChooser.setFileSelectionMode(JFileChooser.FILES_ONLY);
			int result=fileChooser.showSaveDialog(shudu.this);//显示JFileChooser对话框
			if(result==JFileChooser.CANCEL_OPTION)
				return;
			File fileName=fileChooser.getSelectedFile();		
			output = new ObjectOutputStream(new FileOutputStream(fileName));
			output.writeObject(squ);
			output.close();
		
		} catch (FileNotFoundException e1) {	
			e1.printStackTrace();
		} catch (IOException e1) {		
			e1.printStackTrace();
		}
	
	}
	private void loadActionPerformed(ActionEvent e)
	{
		for(int i=0;i<9;i++)
		{
			for(int j=0;j<9;j++)
			{
				board[i][j].setText("");
			}
		}
		
		ObjectInputStream input;
		int[][] squ;
		try {
			JFileChooser fileChooser=new JFileChooser();
			fileChooser.setFileSelectionMode(JFileChooser.FILES_ONLY);
			int result=fileChooser.showSaveDialog(shudu.this);//显示JFileChooser对话框
			if(result==JFileChooser.CANCEL_OPTION)
				return;
			File fileName=fileChooser.getSelectedFile();
			
			input =new ObjectInputStream(new FileInputStream(fileName));
			try {
				squ = (int[][])input.readObject();
				for(int i=0;i<9;i++)
				{
					for(int j=0;j<9;j++)
					{
						if(squ[i][j]!=0)
						board[i][j].setText(squ[i][j]+"");
					}
				}
				
				
				
			} catch (ClassNotFoundException e1) {
				// TODO Auto-generated catch block
				e1.printStackTrace();
			}
		} catch (FileNotFoundException e1) {
			e1.printStackTrace();
		} catch (IOException e1) {
			e1.printStackTrace();
		}
	}
	private void selectedNumber(MouseEvent e) {
		if(selectedNumber != null)
		{
			selectedNumber.setForeground(previousNumbercolor);
		}
		selectedNumber = (JLabel)e.getSource();
		previousNumbercolor = selectedNumber.getForeground();
		selectedNumber.setForeground(Color.blue);
	}

	private void changeSquare(MouseEvent e) {
		if(!ok.isEnabled())return;
		
		if(selectedNumber == null)
			{JOptionPane.showMessageDialog(null, "请选个数字");
			return;
			}
		selectedSquare.setIcon(null);
		selectedSquare.setText(selectedNumber.getText());
		for(int i=0;i<9;i++)
		{
			answer[i].setEnabled(false);
		}
		ok.setEnabled(false);
	}

	private void initComponents() {
		// JFormDesigner - Component initialization - DO NOT MODIFY  //GEN-BEGIN:initComponents
		// Generated using JFormDesigner Evaluation license - l h
		boardPanel = new JPanel();
		boardbackground = new JLabel();
		start = new JButton();
		AnswerPanel = new JPanel();
		ok = new JButton();
		answerPanelBackground = new JLabel();
		save = new JButton();
		load = new JButton();
		//======== this ========
		setTitle("\u6570\u72ec");
		Container contentPane = getContentPane();
		contentPane.setLayout(null);

		//======== boardPanel ========
		{

			// JFormDesigner evaluation mark
			boardPanel.setBorder(new javax.swing.border.CompoundBorder(
				new javax.swing.border.TitledBorder(new javax.swing.border.EmptyBorder(0, 0, 0, 0),
					"JFormDesigner Evaluation", javax.swing.border.TitledBorder.CENTER,
					javax.swing.border.TitledBorder.BOTTOM, new java.awt.Font("Dialog", java.awt.Font.BOLD, 12),
					java.awt.Color.red), boardPanel.getBorder())); boardPanel.addPropertyChangeListener(new java.beans.PropertyChangeListener(){public void propertyChange(java.beans.PropertyChangeEvent e){if("border".equals(e.getPropertyName()))throw new RuntimeException();}});

			boardPanel.setLayout(null);

			//---- board ----
			for(int i=0;i<9;i++)
			{
				for(int j=0;j<9;j++)
				{
					board[i][j]=new JLabel();
					if(i%2!=0)
					{
						board[i][j].setForeground(Color.white);
					}else
						board[i][j].setForeground(Color.black);
					board[i][j].setHorizontalAlignment(SwingConstants.CENTER);
					board[i][j].addMouseListener(new MouseAdapter() {
						@Override
						public void mouseReleased(MouseEvent e) {
							selectedSquare(e);
						}
					});
					board[i][j].setBounds(i%3*120+j%3*40, i/3*120+j/3*40, 40, 40);
					boardPanel.add(board[i][j]);
				}
			}


			//---- boardbackground ----
			boardbackground.setIcon(new ImageIcon("board.JPG"));
			boardPanel.add(boardbackground);
			boardbackground.setBounds(0, 0, 360, 360);

			{ // compute preferred size
				Dimension preferredSize = new Dimension();
				for(int i = 0; i < boardPanel.getComponentCount(); i++) {
					Rectangle bounds = boardPanel.getComponent(i).getBounds();
					preferredSize.width = Math.max(bounds.x + bounds.width, preferredSize.width);
					preferredSize.height = Math.max(bounds.y + bounds.height, preferredSize.height);
				}
				Insets insets = boardPanel.getInsets();
				preferredSize.width += insets.right;
				preferredSize.height += insets.bottom;
				boardPanel.setMinimumSize(preferredSize);
				boardPanel.setPreferredSize(preferredSize);
			}
		}
		contentPane.add(boardPanel);
		boardPanel.setBounds(10, 10, 360, 360);

		//---- start ----
		start.setText("\u5f00\u59cb ");
		start.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				startActionPerformed(e);
			}
		});
		contentPane.add(start);
		start.setBounds(390, 15, 90, 25);

		//---- save ----
		save.setText("保存");
		save.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				saveActionPerformed(e);
			}
		});
		contentPane.add(save);
		save.setBounds(390, 45, 90, 25);
		
		//---- load ----
		load.setText("载入");
		load.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				loadActionPerformed(e);
			}
		});
		contentPane.add(load);
		load.setBounds(390, 75, 90, 25);
		

		//======== AnswerPanel ========
		{
			AnswerPanel.setLayout(null);

			//---- answer ----
			for(int i=0;i<9;i++)
			{
				answer[i] = new JLabel();
				answer[i].setText((i+1)+"");
				if(i%2==0)
				answer[i].setForeground(Color.white);
				else
					answer[i].setForeground(Color.black);
				answer[i].setHorizontalAlignment(SwingConstants.CENTER);
				answer[i].addMouseListener(new MouseAdapter() {
					@Override
					public void mouseReleased(MouseEvent e) {
						selectedNumber(e);
					}
				});
				AnswerPanel.add(answer[i]);
				answer[i].setBounds(i%3*40,i/3*40, 40, 40);
			}
			

			//---- ok ----
			ok.setText("\u786e\u5b9a");
			ok.addMouseListener(new MouseAdapter() {
				@Override
				public void mouseReleased(MouseEvent e) {
					changeSquare(e);
				}
			});
			AnswerPanel.add(ok);
			ok.setBounds(new Rectangle(new Point(60, 125), ok.getPreferredSize()));

			//---- answerPanelBackground ----
			answerPanelBackground.setIcon(new ImageIcon("answerPanel.JPG"));
			answerPanelBackground.setVerticalAlignment(SwingConstants.TOP);
			AnswerPanel.add(answerPanelBackground);
			answerPanelBackground.setBounds(0, 0, 120, 150);

			{ // compute preferred size
				Dimension preferredSize = new Dimension();
				for(int i = 0; i < AnswerPanel.getComponentCount(); i++) {
					Rectangle bounds = AnswerPanel.getComponent(i).getBounds();
					preferredSize.width = Math.max(bounds.x + bounds.width, preferredSize.width);
					preferredSize.height = Math.max(bounds.y + bounds.height, preferredSize.height);
				}
				Insets insets = AnswerPanel.getInsets();
				preferredSize.width += insets.right;
				preferredSize.height += insets.bottom;
				AnswerPanel.setMinimumSize(preferredSize);
				AnswerPanel.setPreferredSize(preferredSize);
			}
		}
		contentPane.add(AnswerPanel);
		AnswerPanel.setBounds(new Rectangle(new Point(380, 220), AnswerPanel.getPreferredSize()));

		{ // compute preferred size
			Dimension preferredSize = new Dimension();
			for(int i = 0; i < contentPane.getComponentCount(); i++) {
				Rectangle bounds = contentPane.getComponent(i).getBounds();
				preferredSize.width = Math.max(bounds.x + bounds.width, preferredSize.width);
				preferredSize.height = Math.max(bounds.y + bounds.height, preferredSize.height);
			}
			Insets insets = contentPane.getInsets();
			preferredSize.width += insets.right;
			preferredSize.height += insets.bottom;
			contentPane.setMinimumSize(preferredSize);
			contentPane.setPreferredSize(preferredSize);
		}
		setSize(515, 420);
		setLocationRelativeTo(getOwner());
		// JFormDesigner - End of component initialization  //GEN-END:initComponents
	}

	// JFormDesigner - Variables declaration - DO NOT MODIFY  //GEN-BEGIN:variables
	// Generated using JFormDesigner Evaluation license - l h
	private JPanel boardPanel;
	
	private JLabel boardbackground;
	private JButton start;
	private JPanel AnswerPanel;
	private JButton ok;
	private JLabel answerPanelBackground;
	private JLabel[][] board=new JLabel[9][9];
	private JLabel[] answer = new JLabel[9];
	private JButton save;
	private JButton load;
	
	// JFormDesigner - End of variables declaration  //GEN-END:variables
}