ZIP压缩工具C#小程序实现 支持多个文件和文件夹

jopen 11年前

 C# ZIP压缩工具小程序实现 支持多个文件和文件夹    主要用到了一个SharpLibZip.dll库    1、内部算法  --  支持多个文件和文件夹    using System;  using System.Collections.Generic;  using System.Text;  using System.IO;  using ICSharpCode.SharpZipLib;  using ICSharpCode.SharpZipLib.Zip;  using ICSharpCode.SharpZipLib.Checksums;    namespace ZipUnZipLib{         // <summary>       /// 压缩类       /// </summary>      public class ZipClass      {           /// <summary>           /// 递归压缩文件夹方法           /// </summary>           /// <param name="FolderToZip"></param>           /// <param name="s"></param>           /// <param name="ParentFolderName"></param>           private   bool ZipFileDictory(string FolderToZip, ZipOutputStream s, string ParentFolderName)            {               bool res = true;               string[] folders, filenames;               ZipEntry entry = null;               FileStream fs = null;               Crc32 crc = new Crc32();               try{                   //创建当前文件夹                   entry = new ZipEntry(Path.Combine(ParentFolderName, Path.GetFileName(FolderToZip) + "/")); //加上 “/” 才会当成是文件夹创建                   s.PutNextEntry(entry);                   s.Flush();                  //先压缩文件,再递归压缩文件夹                   filenames = Directory.GetFiles(FolderToZip);                   foreach (string file in filenames){                       //打开压缩文件                       fs = File.OpenRead(file);                       byte[] buffer = new byte[fs.Length];                       fs.Read(buffer, 0, buffer.Length);                       entry = new ZipEntry(Path.Combine(ParentFolderName, Path.GetFileName(FolderToZip) + "/" + Path.GetFileName(file)));                       entry.DateTime = DateTime.Now;                       entry.Size = fs.Length;                       fs.Close();                       crc.Reset();                       crc.Update(buffer);                       entry.Crc = crc.Value;                       s.PutNextEntry(entry);                       s.Write(buffer, 0, buffer.Length);                   }               }catch{                  res = false;               }finally{                   if (fs != null)                   {                      fs.Close();                      fs = null;                   }                   if (entry != null)                   {                    entry = null;                   }                   GC.Collect();                   GC.Collect(1);               }                 folders = Directory.GetDirectories(FolderToZip);                 foreach (string folder in folders){                  if (!ZipFileDictory(folder, s, Path.Combine(ParentFolderName, Path.GetFileName(FolderToZip)))){                      return false;                  }               }               return res;           }             /// <summary>           /// 压缩目录           /// </summary>           /// <param name="FolderToZip">待压缩的文件夹,全路径格式</param>           /// <param name="ZipedFile">压缩后的文件名,全路径格式</param>           /// <param name="Password">压宿密码</param>           /// <returns></returns>           private bool ZipFileDictory(string FolderToZip, string ZipedFile, String Password){              bool res;              if (!Directory.Exists(FolderToZip)){                 return false;              }              ZipOutputStream s = new ZipOutputStream(File.Create(ZipedFile));              s.SetLevel(6);              s.Password = Password;              res = ZipFileDictory(FolderToZip, s, "");              s.Finish();              s.Close();              return res;           }                       /// <summary>           /// 压缩多个目录或文件           /// </summary>           /// <param name="FolderToZip">待压缩的文件夹,全路径格式</param>           /// <param name="ZipedFile">压缩后的文件名,全路径格式</param>           /// <param name="Password">压宿密码</param>           /// <returns></returns>           private bool ZipManyFilesDictorys(string FolderToZip, string ZipedFile, String Password) {               //多个文件分开               string[] filsOrDirs = FolderToZip.Split('%');               bool res = true ;               ZipOutputStream s = new ZipOutputStream(File.Create(ZipedFile));               s.SetLevel(6);               s.Password = Password;               foreach (string fileOrDir in filsOrDirs){                   //是文件夹                   if (Directory.Exists(fileOrDir))                   {                       res = ZipFileDictory(fileOrDir, s, "");                   }                   else  //文件                   {                       res = ZipFileWithStream(fileOrDir, s, "");                   }               }               s.Finish();               s.Close();               return res;           }                       /// <summary>           /// 带压缩流压缩单个文件           /// </summary>           /// <param name="FileToZip">要进行压缩的文件名</param>           /// <param name="ZipedFile">压缩后生成的压缩文件名</param>           /// <param name="Password">压宿密码</param>           /// <returns></returns>           private bool ZipFileWithStream(string FileToZip, ZipOutputStream ZipStream, String Password)           {               //如果文件没有找到,则报错               if (!File.Exists(FileToZip))               {                   throw new System.IO.FileNotFoundException("指定要压缩的文件: " + FileToZip + " 不存在!");               }               //FileStream fs = null;               FileStream ZipFile = null;               ZipEntry ZipEntry = null;               bool res = true;               try               {                   ZipFile = File.OpenRead(FileToZip);                   byte[] buffer = new byte[ZipFile.Length];                   ZipFile.Read(buffer, 0, buffer.Length);                   ZipFile.Close();                   ZipEntry = new ZipEntry(Path.GetFileName(FileToZip));                   ZipStream.PutNextEntry(ZipEntry);                   ZipStream.Write(buffer, 0, buffer.Length);               }               catch               {                   res = false;               }               finally               {                   if (ZipEntry != null)                   {                       ZipEntry = null;                   }                                    if (ZipFile != null)                   {                       ZipFile.Close();                       ZipFile = null;                   }                   GC.Collect();                   GC.Collect(1);               }               return res;                        }             /// <summary>           /// 压缩文件           /// </summary>           /// <param name="FileToZip">要进行压缩的文件名</param>           /// <param name="ZipedFile">压缩后生成的压缩文件名</param>           /// <param name="Password">压宿密码</param>           /// <returns></returns>           private  bool ZipFile(string FileToZip, string ZipedFile, String Password){                //如果文件没有找到,则报错               if (!File.Exists(FileToZip)){                   throw new System.IO.FileNotFoundException("指定要压缩的文件: " + FileToZip + " 不存在!");              }              //FileStream fs = null;               FileStream ZipFile = null;               ZipOutputStream ZipStream = null;               ZipEntry ZipEntry = null;               bool res = true;               try{                   ZipFile = File.OpenRead(FileToZip);                   byte[] buffer = new byte[ZipFile.Length];                   ZipFile.Read(buffer, 0, buffer.Length);                   ZipFile.Close();                   ZipFile = File.Create(ZipedFile);                   ZipStream = new ZipOutputStream(ZipFile);                   ZipStream.Password = Password;                   ZipEntry = new ZipEntry(Path.GetFileName(FileToZip));                   ZipStream.PutNextEntry(ZipEntry);                   ZipStream.SetLevel(6);                   ZipStream.Write(buffer, 0, buffer.Length);               }catch {                  res = false;               }finally{                  if (ZipEntry != null){                      ZipEntry = null;                   }                   if (ZipStream != null){                       ZipStream.Finish();                       ZipStream.Close();                   }                   if (ZipFile != null){                       ZipFile.Close();                       ZipFile = null;                   }                   GC.Collect();                   GC.Collect(1);              }              return res;          }                 /// <summary>          /// 压缩文件 和 文件夹          /// </summary>          /// <param name="FileToZip">待压缩的文件或文件夹,全路径格式 多个用%号分隔</param>          /// <param name="ZipedFile">压缩后生成的压缩文件名,全路径格式</param>          /// <returns></returns>          public  bool Zip(String FileToZip, String ZipedFile, String Password){                if (IsFilesOrFolders(FileToZip)){                  return ZipManyFilesDictorys(FileToZip, ZipedFile, Password);              }else if (Directory.Exists(FileToZip)){  //单个文件夹                  return ZipFileDictory(FileToZip, ZipedFile, Password);              }else if (File.Exists(FileToZip)){  //单个文件                  return ZipFile(FileToZip, ZipedFile, Password);              }else{                 return false;              }           }            //是否传入的多个文件夹或文件或两者都有          private bool IsFilesOrFolders(string fileFolders){                           if (fileFolders.Split('%').Length > 1) {                  return true;              }              else{                  return false;              }          }       }          /// <summary>      /// 解压类=======================================      /// </summary>      public class UnZipClass      {          /// <summary>          /// 解压功能(解压压缩文件到指定目录)          /// </summary>          /// <param name="FileToUpZip">待解压的文件</param>          /// <param name="ZipedFolder">指定解压目标目录</param>          /// <param name="Password">解压密码</param>          public bool UnZip(string FileToUpZip, string ZipedFolder,string Password){                           if (!File.Exists(FileToUpZip)){                  return false;              }              if (!Directory.Exists(ZipedFolder)){                  Directory.CreateDirectory(ZipedFolder);              }              ZipInputStream s = null;              ZipEntry theEntry = null;              string fileName;              FileStream streamWriter = null;              try{                  s = new ZipInputStream(File.OpenRead(FileToUpZip));                               s.Password = Password;                  while ((theEntry = s.GetNextEntry()) != null){                      if (theEntry.Name != String.Empty){                          fileName = Path.Combine(ZipedFolder, theEntry.Name);                          ///判断文件路径是否是文件夹                          if (fileName.EndsWith("/") || fileName.EndsWith("\")){                              Directory.CreateDirectory(fileName);                              continue;                          }                          streamWriter = File.Create(fileName);                          int size = 2048;                          byte[] data = new byte[2048];                            while (true){                              size = s.Read(data, 0, data.Length);                              if (size > 0){                                  streamWriter.Write(data, 0, size);                              }                              else{                                  break;                              }                          }                      }                  }                    return true;              }catch{                  //Console.WriteLine(ex.Message);                  return false;              }finally{                  if (streamWriter != null){                      streamWriter.Close();                      streamWriter = null;                  }                  if (theEntry != null){                      theEntry = null;                  }                  if (s != null){                      s.Close();                      s = null;                  }                  GC.Collect();                  GC.Collect(1);              }          }                }    }    2、界面代码Winform    using System;  using System.Collections.Generic;  using System.ComponentModel;  using System.Data;  using System.Drawing;  using System.Linq;  using System.Text;  using System.Windows.Forms;  using System.IO;  using ZipUnZipLib;    namespace ZipUnZipWinFrom  {      public partial class ZipForm : Form      {            private System.Collections.Specialized.StringCollection folderCol;          private static ZipClass zipClass = new ZipClass();  //压缩工具类          private static UnZipClass unZipC = new UnZipClass();  //解压缩类            public ZipForm()          {              InitializeComponent();                folderCol = new System.Collections.Specialized.StringCollection();              CreateHeadersAndFiledListView();              PaintListView(@"C:");              folderCol.Add(@"C:");          }                      private void ZipForm_FormClosing(object sender, FormClosingEventArgs e)          {              if (MessageBox.Show("是否退出工具?", "确认", MessageBoxButtons.YesNo, MessageBoxIcon.Question,                  MessageBoxDefaultButton.Button2) == DialogResult.No)              {                  e.Cancel = true;              }              else              {                  e.Cancel = false;              }          }            private void ZipForm_Load(object sender, EventArgs e)          {            }            /// <summary>          /// 添加列标题          /// </summary>          private void CreateHeadersAndFiledListView()          {              ColumnHeader colHead;              colHead = new ColumnHeader();              colHead.Text = "文件名";              colHead.Width = 200;              listViewFilesAndFolders.Columns.Add(colHead);                colHead = new ColumnHeader();              colHead.Text = "大小";              colHead.Width = 80;              listViewFilesAndFolders.Columns.Add(colHead);                colHead = new ColumnHeader();              colHead.Text = "类型";              colHead.Width = 80;              listViewFilesAndFolders.Columns.Add(colHead);                colHead = new ColumnHeader();              colHead.Text = "修改日期";              colHead.Width = 200;              listViewFilesAndFolders.Columns.Add(colHead);            }            /// <summary>          /// 硬盘文件填充文件列表          /// </summary>          private void PaintListView( string root )          {                try {                    ListViewItem lvi;                    ListViewItem.ListViewSubItem lvis;                    if (string.IsNullOrEmpty(root))                      return;                    DirectoryInfo dir = new DirectoryInfo( root );                  DirectoryInfo[] dirs = dir.GetDirectories();                  FileInfo[] files = dir.GetFiles();                    listViewFilesAndFolders.Items.Clear();                  currentPath.Text = root;                  listViewFilesAndFolders.BeginUpdate();                                   foreach( DirectoryInfo di in dirs )                  {                      lvi = new ListViewItem();                      lvi.Text = di.Name;                      lvi.ImageIndex = 0;                      lvi.Tag = dir.FullName;                        lvis = new ListViewItem.ListViewSubItem();                      lvis.Text = "";                      lvi.SubItems.Add(lvis);                        lvis = new ListViewItem.ListViewSubItem();                      lvis.Text = "文件夹";                      lvi.SubItems.Add(lvis);                          lvis = new ListViewItem.ListViewSubItem();                      lvis.Text = di.LastAccessTime.ToString();                      lvi.SubItems.Add(lvis);                      listViewFilesAndFolders.Items.Add(lvi);                  }                    foreach (FileInfo fi in files)                  {                      lvi = new ListViewItem();                      lvi.Text = fi.Name;                      lvi.ImageIndex = 1;                      lvi.Tag = dir.FullName;                        lvis = new ListViewItem.ListViewSubItem();                      lvis.Text = fi.Length.ToString()+" Byte";                      lvi.SubItems.Add(lvis);                        lvis = new ListViewItem.ListViewSubItem();                      lvis.Text = fi.Extension;                      lvi.SubItems.Add(lvis);                          lvis = new ListViewItem.ListViewSubItem();                      lvis.Text = fi.LastAccessTime.ToString();                      lvi.SubItems.Add(lvis);                      listViewFilesAndFolders.Items.Add(lvi);                  }                      listViewFilesAndFolders.EndUpdate();                               }catch( SystemException ex){                  MessageBox.Show("Exception + : "+ex.Message);              }            }            private void listViewFilesAndFolders_ItemActivate(object sender, EventArgs e)          {              System.Windows.Forms.ListView lw = (System.Windows.Forms.ListView) sender;              string fileName = lw.SelectedItems[0].Tag.ToString();                  string fullName = fileName +  lw.SelectedItems[0].Text + "\";                           if (lw.SelectedItems[0].ImageIndex != 0)              {                  try                  {                      System.Diagnostics.Process.Start(fullName);                  }                  catch                  {                      return;                  }              }              else              {                  PaintListView(fullName);                  folderCol.Add(fullName);              }          }            /// <summary>          /// 返回上一级文件夹          /// </summary>          /// <param name="sender"></param>          /// <param name="e"></param>          private void button1_Click(object sender, EventArgs e)          {              if( folderCol.Count > 1 )              {                  PaintListView(folderCol[folderCol.Count -2].ToString());                  folderCol.RemoveAt(folderCol.Count -1);              }else{                  PaintListView(folderCol[0].ToString());              }          }                     private void LargeIcon_CheckedChanged(object sender, EventArgs e)          {              RadioButton rdb = (RadioButton)sender;                if (rdb.Checked)              {                  this.listViewFilesAndFolders.View = View.LargeIcon;              }            }            private void SmallIcon_CheckedChanged(object sender, EventArgs e)          {              RadioButton rdb = (RadioButton)sender;                if (rdb.Checked)              {                  this.listViewFilesAndFolders.View = View.SmallIcon;              }            }            private void List_CheckedChanged(object sender, EventArgs e)          {              RadioButton rdb = (RadioButton)sender;                if (rdb.Checked)              {                  this.listViewFilesAndFolders.View = View.List;              }          }            private void Detail_CheckedChanged(object sender, EventArgs e)          {              RadioButton rdb = (RadioButton)sender;                if (rdb.Checked)              {                  this.listViewFilesAndFolders.View = View.Details;              }            }            private void Title_CheckedChanged(object sender, EventArgs e)          {              RadioButton rdb = (RadioButton)sender;                if (rdb.Checked)              {                  this.listViewFilesAndFolders.View = View.Tile;              }          }            /// <summary>          /// 浏览Windows文件夹          /// </summary>          /// <param name="sender"></param>          /// <param name="e"></param>          private void button2_Click(object sender, EventArgs e)          {                openSelectFolder();                       }            /// <summary>          /// 显示信息提示          /// </summary>          /// <param name="title"></param>          /// <param name="content"></param>          private void showMsg( string title,string content)          {              MessageBox.Show(title+" "+content);                   }            /// <summary>          /// 取得列表中文件的全名(目录+文件名)          /// </summary>          /// <returns></returns>          private string getSelectedFileFullName()          {              string fileName = listViewFilesAndFolders.SelectedItems[0].Text;              //文件夹目录              string dir = listViewFilesAndFolders.SelectedItems[0].Tag.ToString();              //全路径名              string fullName = dir + fileName;                return fullName;          }            //压缩文件          private void zipFile_Click(object sender, EventArgs e)          {              if (listViewFilesAndFolders.SelectedItems.Count > 0)              {                    //                  string selectFiles = this.getSelectFilesName();                  string zipToFile = SaveFileTextBox.Text;   //压缩到哪个目录下                  if (zipToFile == "")                  {                      showMsg("选择解压目标目录", "");                      return;                  }                  //判断保存的文件是否是Zip文件                  if (isZipFile(zipToFile))                  {                      if (zipClass.Zip(selectFiles, zipToFile, textBox1.Text))                      {                            showMsg("压缩成功", "");                          //取得文件所在文件夹                          string zipDir = this.getZipToDir(zipToFile);                            PaintListView(zipDir + "\");                          folderCol.Add(zipDir + "\");                          SaveFileTextBox.Text = "";                          textBox1.Text = "";                      }                      else {                          showMsg("压缩失败", "");                      }                  }                  else                  {                      showMsg("请输入正确的.zip文件(后缀.zip)", "");                  }              }              else              {                  showMsg("请选择操作文件", "");              }          }            /// <summary>          /// 取得传入文件的目录          /// </summary>          /// <returns></returns>          private string getZipToDir(string zipToFile)          {              FileInfo finleInfo = new FileInfo(zipToFile);              return finleInfo.DirectoryName;                   }          /// <summary>          /// 取得所有选择的等压缩的文件          /// </summary>          /// <returns></returns>            private string getSelectFilesName()          {              string files = "";                   for (int i = 0; i < listViewFilesAndFolders.SelectedItems.Count; i++)              {                  string fileName = listViewFilesAndFolders.SelectedItems[i].Text;                  //文件夹目录                  string dir = listViewFilesAndFolders.SelectedItems[i].Tag.ToString();                  //全路径名                  string fullName = dir + fileName;                  //选择一个直接返回                  if (listViewFilesAndFolders.SelectedItems.Count == 1)                  {                      return fullName;                  }                  if (i < listViewFilesAndFolders.SelectedItems.Count - 1)                  {                      files += fullName + "%";  //文件之间用%分开                  }                  else {                      files += fullName;                  }                               }                return files;                   }              /// <summary>          /// 解压选择的文件          /// </summary>          /// <param name="sender"></param>          /// <param name="e"></param>          private void UnZipFile_Click(object sender, EventArgs e)          {              if (listViewFilesAndFolders.SelectedItems.Count > 0)              {                    string zipFile = this.getSelectedFileFullName();                  string unZipFileTo = SaveFileTextBox.Text;   //解压到哪个目录下                  if(unZipFileTo ==""){                      showMsg("选择解压目标目录", "");                      return;                  }                  //判断文件是否是Zip文件                  if (isZipFile(zipFile))                  {                      if (unZipC.UnZip(zipFile, unZipFileTo, textBox1.Text))                      {                            showMsg("解压成功", "");                          PaintListView(unZipFileTo + "\");                          folderCol.Add(unZipFileTo + "\");                          SaveFileTextBox.Text = "";                          textBox1.Text = "";                      }                      else {                          showMsg("解压失败", "");                      }                  }                  else                  {                      showMsg("您选择的文件不是ZIP压缩文件","");                  }                    //showMsg("选择了文件", this.getSelectedFileFullName());              }              else              {                  showMsg("请选择待解压文件", "");              }          }            //判断是否是zip 文件          private bool isZipFile(string zipFile){                if (".zip" == zipFile.Substring(zipFile.Length - 4,4))              {                  return true;              }              return false;                   }            private void button3_Click(object sender, EventArgs e)          {              if (MessageBox.Show("是否退出工具?", "确认", MessageBoxButtons.YesNo, MessageBoxIcon.Question,                  MessageBoxDefaultButton.Button2) == DialogResult.Yes)              {                  this.Close();              }                       }            private void 退出ToolStripMenuItem_Click(object sender, EventArgs e)          {              if (MessageBox.Show("是否退出工具?", "确认", MessageBoxButtons.YesNo, MessageBoxIcon.Question,                 MessageBoxDefaultButton.Button2) == DialogResult.Yes)              {                  this.Close();              }          }            private void choiceSaveDir_Click(object sender, EventArgs e)          {              DialogResult dr = folderBrowserDialog1.ShowDialog();                if (dr.ToString() == "OK") //打开了文件夹              {                  string fullFileName = folderBrowserDialog1.SelectedPath;                  SaveFileTextBox.Text = fullFileName ;              }          }            private void 打开文件夹ToolStripMenuItem_Click(object sender, EventArgs e)          {              openSelectFolder();          }            /// <summary>          /// 打开文件夹选择文件夹          /// </summary>          private void openSelectFolder()          {                DialogResult dr = folderBrowserDialog1.ShowDialog();                if (dr.ToString() == "OK") //打开了文件夹              {                  string fullFileName = folderBrowserDialog1.SelectedPath;                      PaintListView(fullFileName + "\");                  folderCol.Add(fullFileName + "\");                    //currentPath.Text = folderBrowserDialog1.SelectedPath;              }                   }      }  }