myzipframe.java~1~

用Java开发的压缩解压缩小工具

package myzip;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.io.*;
import java.util.*;
import java.util.zip.*;
import javax.swing.border.*;

/**
 * <p>Title: zip</p>
 * <p>Description: zip files</p>
 * <p>Copyright: Copyright (c) 2005</p>
 * <p>Company: qlsc</p>
 * @author Wang Tao
 * @version 1.0
 */

public class MyZipFrame extends JFrame {
  JPanel contentPane;
  JMenuBar jMenuBar1 = new JMenuBar();
  JMenu jMenuFile = new JMenu();

  JMenuItem jMenuFileExit = new JMenuItem();
  JMenu jMenuHelp = new JMenu();
  JMenuItem jMenuHelpAbout = new JMenuItem();
  BorderLayout borderLayout1 = new BorderLayout();
  JMenuItem jMenuItemOpenSource = new JMenuItem();
  JMenuItem jMenuItemOpenZip = new JMenuItem();
  JPanel buttonPanel = new JPanel();
  FlowLayout flowLayout1 = new FlowLayout();
  JButton zipButton = new JButton();
  JButton unzipButton = new JButton();
  JPanel listPanel = new JPanel();
  JPanel barPanel = new JPanel();
  JButton openButton = new JButton();
  TitledBorder titledBorder1;
  JLabel messageLabel = new JLabel();
  JProgressBar ProgressBar = new JProgressBar();
  ImageIcon zip=new ImageIcon("zip.jpg"),
           unzip=new ImageIcon("unzip.jpg");

  String currentDirectory;

  //Construct the frame
  public MyZipFrame() {
    enableEvents(AWTEvent.WINDOW_EVENT_MASK);
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }
  //Component initialization
  private void jbInit() throws Exception  {
    contentPane = (JPanel) this.getContentPane();
    titledBorder1 = new TitledBorder("");
    contentPane.setLayout(borderLayout1);
    this.setSize(new Dimension(400, 300));
    this.setTitle("Java Zip");
    jMenuFile.setText("File");
    jMenuFileExit.setText("Exit");
    jMenuFileExit.addActionListener(new MyZipFrame_jMenuFileExit_ActionAdapter(this));
    jMenuHelp.setText("Help");
    jMenuHelpAbout.setText("About");
    jMenuHelpAbout.addActionListener(new MyZipFrame_jMenuHelpAbout_ActionAdapter(this));
    jMenuItemOpenSource.setText("open source");
    jMenuItemOpenSource.addActionListener(new MyZipFrame_jMenuItemOpenSource_actionAdapter(this));
    jMenuItemOpenZip.setText("open zip");
    jMenuItemOpenZip.addActionListener(new MyZipFrame_jMenuItemOpenZip_actionAdapter(this));
   // buttonPanel.setAlignmentX((float) 0.0);
   // buttonPanel.setAlignmentY((float) 0.0);
    buttonPanel.setBorder(BorderFactory.createRaisedBevelBorder());
    buttonPanel.setToolTipText("操作板");
    buttonPanel.setLayout(flowLayout1);
    zipButton.setMaximumSize(new Dimension(57, 57));
    zipButton.setMinimumSize(new Dimension(35, 9));
    zipButton.setToolTipText("添加压缩文件");
    zipButton.setIcon(zip);
    zipButton.setText("");
    unzipButton.setMaximumSize(new Dimension(57, 57));
    unzipButton.setToolTipText("释放压缩文件");
    unzipButton.setIcon(unzip);
    unzipButton.setText("");
    openButton.setBorder(null);
    openButton.setToolTipText("打开文件或目录");
    openButton.setText("jButton1");
    messageLabel.setText("欢迎使用myZip       进度：");//考虑加入文件信息
    buttonPanel.add(openButton, null);
    buttonPanel.add(unzipButton, null);
    jMenuFile.add(jMenuItemOpenSource);
    jMenuFile.add(jMenuItemOpenZip);
    jMenuFile.add(jMenuFileExit);
    jMenuHelp.add(jMenuHelpAbout);
    jMenuBar1.add(jMenuFile);
    jMenuBar1.add(jMenuHelp);
    this.setJMenuBar(jMenuBar1);
    contentPane.add(buttonPanel, BorderLayout.NORTH);
    buttonPanel.add(zipButton, null);
    contentPane.add(listPanel,  BorderLayout.CENTER);
    contentPane.add(barPanel,  BorderLayout.SOUTH);
    barPanel.add(messageLabel, null);
    barPanel.add(ProgressBar, null);
  }
  //File | Exit action performed
  public void jMenuFileExit_actionPerformed(ActionEvent e) {
    System.exit(0);
  }
  //Help | About action performed
  public void jMenuHelpAbout_actionPerformed(ActionEvent e) {
    MyZipFrame_AboutBox dlg = new MyZipFrame_AboutBox(this);
    Dimension dlgSize = dlg.getPreferredSize();
    Dimension frmSize = getSize();
    Point loc = getLocation();
    dlg.setLocation((frmSize.width - dlgSize.width) / 2 + loc.x, (frmSize.height - dlgSize.height) / 2 + loc.y);
    dlg.setModal(true);
    dlg.pack();
    dlg.show();
  }
  //Overridden so we can exit when window is closed
  protected void processWindowEvent(WindowEvent e) {
    super.processWindowEvent(e);
    if (e.getID() == WindowEvent.WINDOW_CLOSING) {
      jMenuFileExit_actionPerformed(null);
    }
  }
  /**
 *<br>方法说明：实现文件的压缩处理
 *<br>输入参数：String[] fs 压缩的文件数组
 *<br>返回类型：
 */
  public void ZipFiles(String[] fs){
   try{
     String fileName = fs[0];
     FileOutputStream f =
       new FileOutputStream(fileName+".zip");
     //使用输出流检查
     CheckedOutputStream cs =
        new CheckedOutputStream(f,new Adler32());
      //声明输出zip流
      ZipOutputStream out =
        new ZipOutputStream(new BufferedOutputStream(cs));
      //写一个注释
      out.setComment("A test of Java Zipping");
      //对多文件进行压缩
      for(int i=1;i<fs.length;i++){
        System.out.println("Write file "+fs[i]);
        BufferedReader in =
           new BufferedReader(
             new FileReader(fs[i]));
         out.putNextEntry(new ZipEntry(fs[i]));
         int c;
         while((c=in.read())!=-1)
          out.write(c);
        in.close();
       }
       //关闭输出流
       out.close();
       System.out.println("Checksum::"+cs.getChecksum().getValue());
    }catch(Exception e){
       System.err.println(e);
    }
  }

/**
 *<br>方法说明：解压缩Zip文件
 *<br>输入参数：String fileName 解压zip文件名
 *<br>返回类型：
 */
  public void unZipFile(String fileName){
    try{
       System.out.println("读取ZIP文件........");
       //文件输入流
       FileInputStream fi =
         new FileInputStream(fileName+".zip");
       //输入流检查
       CheckedInputStream csi = new CheckedInputStream(fi,new Adler32());
       //输入流压缩
       ZipInputStream in2 =
         new ZipInputStream(
           new BufferedInputStream(csi));
       ZipEntry ze;
       System.out.println("Checksum::"+csi.getChecksum().getValue());
       //解压全部文件
       while((ze = in2.getNextEntry())!=null){
         System.out.println("Reading file "+ze);
         int x;
         while((x= in2.read())!=-1)
           //这里是写文件，write是以byte方式输出。
           System.out.write(x);
       }
       in2.close();
    }catch(Exception e){
      System.err.println(e);
    }
  }
 /**
 *<br>方法说明：读取Zip文件列表
 *<br>输入参数：String fileName zip文件名
 *<br>返回类型：Vector 文件列表
 */
  public Vector listFile(String fileName){
    try{
       String[] aRst=null;
       Vector vTemp = new Vector();
       //zip文件对象
       ZipFile zf = new ZipFile(fileName+".zip");
       Enumeration e = zf.entries();
       while(e.hasMoreElements()){
         ZipEntry ze2 = (ZipEntry)e.nextElement();
         System.out.println("File: "+ze2);
         vTemp.addElement(ze2);
       }
       return  vTemp;
    }catch(Exception e){
      System.err.println(e);
      return null;
    }
  }

  void jMenuItemOpenSource_actionPerformed(ActionEvent e) {
    FileDialog fd = new FileDialog (this, "打开媒体文件",  FileDialog.LOAD);
     fd.setDirectory (currentDirectory);
     fd.show ();
     //如果用户放弃选择文件，则返回
     if (fd.getFile () == null)
     {
       return;
     }
     currentDirectory = fd.getDirectory ();
     String url=fd.getDirectory() +fd.getFile() ;
     /////////////////进行压缩文件（url），先判断扩展名


  }

  void jMenuItemOpenZip_actionPerformed(ActionEvent e) {
    FileDialog fd = new FileDialog (this, "打开媒体文件",  FileDialog.LOAD);
     fd.setDirectory (currentDirectory);
     fd.show ();
     //如果用户放弃选择文件，则返回
     if (fd.getFile () == null)
     {
       return;
     }
     currentDirectory = fd.getDirectory ();
     String url=fd.getDirectory() +fd.getFile() ;
     ///////进行解压文件（url），先判断扩展名

  }


}

class MyZipFrame_jMenuFileExit_ActionAdapter implements ActionListener {
  MyZipFrame adaptee;

  MyZipFrame_jMenuFileExit_ActionAdapter(MyZipFrame adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.jMenuFileExit_actionPerformed(e);
  }
}

class MyZipFrame_jMenuHelpAbout_ActionAdapter implements ActionListener {
  MyZipFrame adaptee;

  MyZipFrame_jMenuHelpAbout_ActionAdapter(MyZipFrame adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.jMenuHelpAbout_actionPerformed(e);
  }
}

class MyZipFrame_jMenuItemOpenSource_actionAdapter implements java.awt.event.ActionListener {
  MyZipFrame adaptee;

  MyZipFrame_jMenuItemOpenSource_actionAdapter(MyZipFrame adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.jMenuItemOpenSource_actionPerformed(e);
  }
}

class MyZipFrame_jMenuItemOpenZip_actionAdapter implements java.awt.event.ActionListener {
  MyZipFrame adaptee;

  MyZipFrame_jMenuItemOpenZip_actionAdapter(MyZipFrame adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.jMenuItemOpenZip_actionPerformed(e);
  }
}