求救，哪位好心人有MLDN魔乐李兴华JAVA WEB开发实战经典高级篇和框架篇的手册

import java.awt.BorderLayout;
import java.awt.FlowLayout;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.RandomAccessFile;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;
public class CodeChanger {
 int flag = 1;
 private JFrame frame;
 private JPanel upPanel;
 private JPanel midPanel;
 private JPanel downPanl;
 private JLabel label;
 private JPanel midUpPanel;
 private JPanel midMidPanel;
 private JPanel midDownPanel;
 private JCheckBox checkBox;
 private JPanel sourcePanel;
 private JPanel desPanel;
 private JLabel sourceLabel;
 private JLabel desLabel;
 private JTextField sourceField;
 private JTextField desField;
 private JButton sourceButton;
 private JButton desButton;
 private JLabel downLabel;
 private JTextField downField;
 private JButton enter;
 private JButton cancel;
 public CodeChanger() {
  frame = new JFrame();
  upPanel = new JPanel();
  midPanel = new JPanel();
  downPanl = new JPanel();
  midUpPanel = new JPanel();
  midMidPanel = new JPanel();
  midDownPanel = new JPanel();
  label = new JLabel("鐚ご鐗屾枃浠跺姞/瑙ｅ瘑鍣?, JLabel.CENTER);
  checkBox = new JCheckBox("瑕嗙洊鍘熸枃浠?, false);
  sourcePanel = new JPanel();
  desPanel = new JPanel();
  sourceLabel = new JLabel("鍘熸枃浠?  ");
  desLabel = new JLabel("鐩爣鏂囦欢");
  sourceField = new JTextField(10);
  desField = new JTextField(10);
  sourceButton = new JButton("棰勮");
  desButton = new JButton("棰勮");
  downLabel = new JLabel("鍔犲瘑绠楀瓙");
  downField = new JTextField("杈撳叆鍔?瑙ｅ瘑鍥犲瓙(0~255)", 12);
  enter = new JButton("鍔犲瘑/瑙ｅ瘑");
  cancel = new JButton("鍙栨秷");
  init();
  addEventHandler();
  showMe();
 }
 private void init() {
  frame.setLayout(new BorderLayout());
  frame.add(upPanel, BorderLayout.NORTH);
  frame.add(midPanel, BorderLayout.CENTER);
  frame.add(downPanl, BorderLayout.SOUTH);
  upPanel.add(label);
  midPanel.setLayout(new BorderLayout());
  midPanel.add(midUpPanel, BorderLayout.NORTH);
  midPanel.add(midMidPanel, BorderLayout.CENTER);
  midPanel.add(midDownPanel, BorderLayout.SOUTH);
  midUpPanel.add(checkBox, JPanel.CENTER_ALIGNMENT);
  midMidPanel.setLayout(new GridLayout(2, 1, 0, 0));
  midMidPanel.add(sourcePanel);
  midMidPanel.add(desPanel);
  sourcePanel.setLayout(new FlowLayout(FlowLayout.LEFT));
  desPanel.setLayout(new FlowLayout(FlowLayout.LEFT));
  sourcePanel.add(sourceLabel);
  sourcePanel.add(sourceField);
  sourcePanel.add(sourceButton);
  desPanel.add(desLabel);
  desPanel.add(desField);
  desPanel.add(desButton);
  midDownPanel.setLayout(new FlowLayout(FlowLayout.LEFT));
  midDownPanel.add(downLabel);
  midDownPanel.add(downField);
  downPanl.setLayout(new FlowLayout(FlowLayout.CENTER, 20, 0));
  downPanl.add(enter);
  downPanl.add(cancel);
 }
 public void addEventHandler() {
  checkBox.addActionListener(new ActionListener() {
   
   public void actionPerformed(ActionEvent e) {
    flag *= -1;
    if (flag == 1) {
     desField.setEditable(true);
     desButton.setEnabled(true);
    } else {
     desField.setEditable(false);
     desButton.setEnabled(false);
    }
   }
  });
  sourceButton.addActionListener(new ActionListener() {
   public void actionPerformed(ActionEvent e) {
    JFileChooser jfc = new JFileChooser();
    jfc.showOpenDialog(frame);
    sourceField.setText(jfc.getSelectedFile().toString());
   }
  });
  desButton.addActionListener(new ActionListener() {
   
   public void actionPerformed(ActionEvent e) {
    JFileChooser jfc = new JFileChooser();
    jfc.showOpenDialog(frame);
    desField.setText(jfc.getSelectedFile().toString());
   }
  });
  cancel.addActionListener(new ActionListener() {
   
   public void actionPerformed(ActionEvent e) {
    System.exit(0);
   }
  });
  downField.addMouseListener(new MouseAdapter() {
  
   public void mousePressed(MouseEvent e) {
    downField.setText("");
   }
  });
  enter.addActionListener(new ActionListener() {
  
   public void actionPerformed(ActionEvent e) {
    if (flag != 1) {
     String sourceFile = sourceField.getText();
     int code;
     code = Integer.parseInt(downField.getText());
     RandomAccessFile raf = null;
     try {
      raf = new RandomAccessFile(sourceFile, "rw");
      int c;
      while ((c = raf.read()) != -1) {
       raf.seek(raf.getFilePointer() - 1);
       raf.write(c ^ code);
      }
     } catch (IOException e1) {
      
      e1.printStackTrace();
     } finally {
      if (raf != null) {
       try {
        raf.close();
       } catch (IOException e1) {
        
        e1.printStackTrace();
       }
      }
     }
    } else {
     String sourceFile = sourceField.getText();
     String desFile = desField.getText();
     int code = 0;
     code = Integer.parseInt(downField.getText());
     InputStream fis = null;
     OutputStream fos = null;
     BufferedInputStream bis = null;
     BufferedOutputStream bos = null;
     try {
      fis = new FileInputStream(sourceFile);
      bis = new BufferedInputStream(fis);
      fos = new FileOutputStream(desFile);
      bos = new BufferedOutputStream(fos);
      while (bis.available() > 0) {
       bos.write(bis.read() ^ code);
      }
     } catch (IOException e2) {
      e2.printStackTrace();
     }
    }
   }
  });
 }
 public void showMe() {
  frame.setVisible(true);
  frame.pack();
  frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 }
 public static void main(String[] args) {
  new CodeChanger();
 }
}