asp.net檔案和檔案夾壓縮

法一：調用winrar

using Microsoft.Win32;
using System.Diagnostics;

protected void Button1_Click(object sender, EventArgs e)
    {
        RAR(@"E:/95413594531/GIS", "tmptest", @"E:/95413594531/");
    }

    /// <summary>
   /// 壓縮檔
   /// </summary>
   /// <param name="DFilePath">需要壓縮的檔案夾或者單個檔案</param>
   /// <param name="DRARName">產生壓縮檔的檔案名稱</param>
   /// <param name="DRARPath">產生壓縮檔儲存路徑</param>
   /// <returns></returns>
    protected bool RAR(string DFilePath, string DRARName,string DRARPath)
    {
        String the_rar;
        RegistryKey the_Reg;
        Object the_Obj;
        String the_Info;
        ProcessStartInfo the_StartInfo;
        Process the_Process;
        try
        {
            the_Reg = Registry.ClassesRoot.OpenSubKey(@"Applications/WinRAR.exe/Shell/Open/Command");
            the_Obj = the_Reg.GetValue("");
            the_rar = the_Obj.ToString();
            the_Reg.Close();
            the_rar = the_rar.Substring(1, the_rar.Length - 7);
            the_Info = " a    " + " " + DRARName + "  " + DFilePath +" -ep1"; //命令 + 壓縮後檔案名稱 + 被壓縮的檔案或者路徑
            the_StartInfo = new ProcessStartInfo();
            the_StartInfo.FileName = the_rar;
            the_StartInfo.Arguments = the_Info;
            the_StartInfo.WindowStyle = ProcessWindowStyle.Hidden;
            the_StartInfo.WorkingDirectory = DRARPath ; //RaR檔案的存放目錄。
            the_Process = new Process();
            the_Process.StartInfo = the_StartInfo;
            the_Process.Start();
            the_Process.WaitForExit();
            the_Process.Close();
            return true;
        }
        catch (Exception ex)
        {
            return false;
        }
    }
 

    /// <summary>
    /// 解壓縮到指定檔案夾
    /// </summary>
    /// <param name="RARFilePath">壓縮檔存在的目錄 </param>
    /// <param name="RARFileName">壓縮檔名稱 </param>
    /// <param name="UnRARFilePath">解壓到檔案夾</param>
    /// <returns></returns>
    protected bool UnRAR(string RARFilePath,string RARFileName,string UnRARFilePath)
    {
        //解壓縮
        String the_rar;
        RegistryKey the_Reg;
        Object the_Obj;
        String the_Info;
        ProcessStartInfo the_StartInfo;
        Process the_Process;
        try
         {
            the_Reg = Registry.ClassesRoot.OpenSubKey(@"Applications/WinRar.exe/Shell/Open/Command");
            the_Obj = the_Reg.GetValue("");
            the_rar = the_Obj.ToString();
            the_Reg.Close();
            the_rar = the_rar.Substring(1, the_rar.Length - 7);
            the_Info = @" X " + " " + RARFilePath + RARFileName + " " + UnRARFilePath;
            the_StartInfo = new ProcessStartInfo();
            the_StartInfo.FileName = the_rar;
            the_StartInfo.Arguments = the_Info;
            the_StartInfo.WindowStyle = ProcessWindowStyle.Hidden;
            the_Process = new Process();
            the_Process.StartInfo = the_StartInfo;
            the_Process.Start();
            return true;
        }
        catch (Exception ex)
         {
             return false;
         }

    }

法二：調用類庫ICSharpCode.SharpZipLib.dll

using System.IO;
using ICSharpCode.SharpZipLib;
using ICSharpCode.SharpZipLib.Checksums;
using ICSharpCode.SharpZipLib.Zip;
using ICSharpCode.SharpZipLib.GZip;
using ICSharpCode.SharpZipLib.BZip2;

using ICSharpCode.SharpZipLib.Zip.Compression;
using ICSharpCode.SharpZipLib.Zip.Compression.Streams;

protected void Button1_Click(object sender, EventArgs e)
    {
        string[] str = new string[1];
        str[0] = @"E:/9541241560/地學院/";
        Zip(str);
    }

    #region 壓縮
    /// <summary>
    /// 壓縮檔,預設目錄為目前的目錄，檔案名稱為目前的目錄名，壓縮層級為6
    /// </summary>
    /// <param name="fileOrDirectory">要壓縮的檔案或檔案夾</param>
    public void Zip(params string[] fileOrDirectory)
    {
        Zip(6, fileOrDirectory);
    }

    /// <summary>
    /// 壓縮檔,預設目錄為目前的目錄，檔案名稱為目前的目錄名
    /// </summary>
    /// <param name="zipLevel">壓縮的層級</param>
    /// <param name="fileOrDirectory">要壓縮的檔案或檔案夾</param>
    public void Zip(int zipLevel, params string[] fileOrDirectory)
    {
        if (fileOrDirectory == null)
            return;
        else if (fileOrDirectory.Length < 1)
            return;
        else
        {
            string str = fileOrDirectory[0];
            if (str.EndsWith("//"))
                str = str.Substring(0, str.Length - 1);
            str += ".zip";
            Zip(str, zipLevel, fileOrDirectory);
        }
    }

    /// <summary>
    /// 壓縮檔,預設目錄為目前的目錄
    /// </summary>
    /// <param name="zipedFileName">壓縮後的檔案</param>
    /// <param name="zipLevel">壓縮的層級</param>
    /// <param name="fileOrDirectory">要壓縮的檔案或檔案夾</param>
    public void Zip(string zipedFileName, int zipLevel, params string[] fileOrDirectory)
    {
        if (fileOrDirectory == null)
            return;
        else if (fileOrDirectory.Length < 1)
            return;
        else
        {
            string str = fileOrDirectory[0];
            if (str.EndsWith("//"))
                str = str.Substring(0, str.Length - 1);
            str = str.Substring(0, str.LastIndexOf("//"));
            Zip(zipedFileName, str, zipLevel, fileOrDirectory);
        }
    }

    /// <summary>
    /// 壓縮檔
    /// </summary>
    /// <param name="zipedFileName">壓縮後的檔案</param>
    /// <param name="zipLevel">壓縮的層級</param>
    /// <param name="currentDirectory">當前所處目錄</param>
    /// <param name="fileOrDirectory">要壓縮的檔案或檔案夾</param>
    public void Zip(string zipedFileName, string currentDirectory, int zipLevel, params string[] fileOrDirectory)
    {
        ArrayList AllFiles = new ArrayList();

        //擷取所有檔案
        if (fileOrDirectory != null)
        {
            for (int i = 0; i < fileOrDirectory.Length; i++)
            {
                if (File.Exists(fileOrDirectory[i]))
                    AllFiles.Add(fileOrDirectory[i]);
                else if (Directory.Exists(fileOrDirectory[i]))
                    GetDirectoryFile(fileOrDirectory[i], AllFiles);
            }
        }

        if (AllFiles.Count < 1)
            return;

        ZipOutputStream zipedStream = new ZipOutputStream(File.Create(zipedFileName));
        zipedStream.SetLevel(zipLevel);

        for (int i = 0; i < AllFiles.Count; i++)
        {
            string file = AllFiles[i].ToString();
            FileStream fs;

            //開啟要壓縮的檔案
            try
            {
                fs = File.OpenRead(file);
            }
            catch
            {
                continue;
            }

            try
            {
                byte[] buffer = new byte[fs.Length];
                fs.Read(buffer, 0, buffer.Length);

                //建立一個entry
                string fileName = file.Replace(currentDirectory, "");
                if (fileName.StartsWith("//"))
                    fileName = fileName.Substring(1);
                ZipEntry entry = new ZipEntry(fileName);
                entry.DateTime = DateTime.Now;

                //儲存到zip流
                fs.Close();
                zipedStream.PutNextEntry(entry);
                zipedStream.Write(buffer, 0, buffer.Length);
            }
            catch
            {
            }
            finally
            {
                fs.Close();
                fs.Dispose();
            }
        }

        zipedStream.Finish();
        zipedStream.Close();
    }

    /// <summary>
    /// 壓縮檔夾
    /// </summary>
    /// <param name="curretnDirectory">當前所在的檔案夾</param>
    public void ZipDirectory(string curretnDirectory)
    {
        if (curretnDirectory == null)
            return;

        string dir = curretnDirectory;
        if (dir.EndsWith("//"))
            dir = dir.Substring(0, dir.Length - 1);
        string file = dir.Substring(dir.LastIndexOf("//") + 1) + ".zip";
        dir += "//" + file;

        Zip(dir, 6, curretnDirectory);
    }

    /// <summary>
    /// 壓縮檔夾
    /// </summary>
    /// <param name="curretnDirectory">當前所在的檔案夾</param>
    public void ZipDirectory(string curretnDirectory, int zipLevel)
    {
        if (curretnDirectory == null)
            return;

        string dir = curretnDirectory;
        if (dir.EndsWith("//"))
            dir = dir.Substring(0, dir.Length - 1);
        dir += ".zip";

        Zip(dir, zipLevel, curretnDirectory);
    }

    //遞迴擷取一個目錄下的所有檔案
    private void GetDirectoryFile(string parentDirectory, ArrayList toStore)
    {
        string[] files = Directory.GetFiles(parentDirectory);
        for (int i = 0; i < files.Length; i++)
            toStore.Add(files[i]);
        string[] directorys = Directory.GetDirectories(parentDirectory);
        for (int i = 0; i < directorys.Length; i++)
            GetDirectoryFile(directorys[i], toStore);
    }
    #endregion