C#文件压缩：ICSharpCode.SharpZipLib生成zip、tar、tar.gz

原文地址：https://blog.csdn.net/nihao198503/article/details/9204115

将代码原封不动的copy过来，只是因为有关tar的文章太少，大多都是zip的文章

/// <summary>
/// 生成 ***.tar.gz 文件
/// </summary>
/// <param name="strBasePath">文件基目录（源文件、生成文件所在目录）</param>
/// <param name="strSourceFolderName">待压缩的源文件夹名</param>
public bool CreatTarGzArchive(string strBasePath, string strSourceFolderName)
{
    if (string.IsNullOrEmpty(strBasePath)
        || string.IsNullOrEmpty(strSourceFolderName)
        || !System.IO.Directory.Exists(strBasePath)
        || !System.IO.Directory.Exists(Path.Combine(strBasePath, strSourceFolderName)))
    {
        return false;
    }  

    Environment.CurrentDirectory = strBasePath;
    string strSourceFolderAllPath = Path.Combine(strBasePath, strSourceFolderName);
    string strOupFileAllPath = Path.Combine(strBasePath, strSourceFolderName + ".tar.gz");  

    Stream outTmpStream = new FileStream(strOupFileAllPath, FileMode.OpenOrCreate);  

    //注意此处源文件大小大于4096KB
    Stream outStream = new GZipOutputStream(outTmpStream);
    TarArchive archive = TarArchive.CreateOutputTarArchive(outStream, TarBuffer.DefaultBlockFactor);
    TarEntry entry = TarEntry.CreateEntryFromFile(strSourceFolderAllPath);
    archive.WriteEntry(entry, true);  

    if (archive != null)
    {
        archive.Close();
    }  

    outTmpStream.Close();
    outStream.Close();  

    return true;
}  

生成 ***.tar.gz 文件

        /// <summary>
        /// 文件解压
        /// </summary>
        /// <param name="zipPath">压缩文件路径</param>
        /// <param name="goalFolder">解压到的目录</param>
        /// <returns></returns>
        public static bool UnzipTgz(string zipPath, string goalFolder)
        {
            Stream inStream = null;
            Stream gzipStream = null;
            TarArchive tarArchive = null;
            try
            {
                using (inStream = File.OpenRead(zipPath))
                {
                    using (gzipStream = new GZipInputStream(inStream))
                    {
                        tarArchive = TarArchive.CreateInputTarArchive(gzipStream);
                        tarArchive.ExtractContents(goalFolder);
                        tarArchive.Close();
                    }
                }
                return true;
            }
            catch (Exception ex)
            {
                Console.WriteLine("压缩出错！");
                return false;
            }
            finally
            {
                if (null != tarArchive) tarArchive.Close();
                if (null != gzipStream) gzipStream.Close();
                if (null != inStream) inStream.Close();
            }
        }

tar.gz解压

/// <summary>
/// 生成 ***.tar 文件
/// </summary>
/// <param name="strBasePath">文件基目录（源文件、生成文件所在目录）</param>
/// <param name="strSourceFolderName">待压缩的源文件夹名</param>
public bool CreatTarArchive(string strBasePath, string strSourceFolderName)
{
    if (string.IsNullOrEmpty(strBasePath)
        || string.IsNullOrEmpty(strSourceFolderName)
        || !System.IO.Directory.Exists(strBasePath)
        || !System.IO.Directory.Exists(Path.Combine(strBasePath, strSourceFolderName)))
    {
        return false;
    }  

    Environment.CurrentDirectory = strBasePath;
    string strSourceFolderAllPath = Path.Combine(strBasePath, strSourceFolderName);
    string strOupFileAllPath = Path.Combine(strBasePath, strSourceFolderName + ".tar");  

    Stream outStream = new FileStream(strOupFileAllPath, FileMode.OpenOrCreate);  

    TarArchive archive = TarArchive.CreateOutputTarArchive(outStream, TarBuffer.DefaultBlockFactor);
    TarEntry entry = TarEntry.CreateEntryFromFile(strSourceFolderAllPath);
    archive.WriteEntry(entry, true);  

    if (archive != null)
    {
        archive.Close();
    }  

    outStream.Close();  

    return true;
}  

生成 ***.tar文件（针对文件夹）

        /// <summary>
        /// 生成tar文件
        /// </summary>
        /// <param name="strBasePath">文件夹路径——将被压缩的文件所在的地方</param>
        /// <param name="listFilesPath">文件的路径：H:\Demo\xxx.txt</param>
        /// <param name="tarFileName">压缩后tar文件名称</param>
        /// <returns></returns>
        public static bool CreatTarArchive(string strBasePath, List<string> listFilesPath, string tarFileName)//"20180524" + ".tar"
        {
            if (string.IsNullOrEmpty(strBasePath) || string.IsNullOrEmpty(tarFileName) || !System.IO.Directory.Exists(strBasePath))
                return false;

            Environment.CurrentDirectory = strBasePath;
            string strOupFileAllPath = strBasePath + tarFileName;//一个完整的文件路径 .tar
            Stream outStream = new FileStream(strOupFileAllPath, FileMode.OpenOrCreate);//打开.tar文件
            TarArchive archive = TarArchive.CreateOutputTarArchive(outStream, TarBuffer.DefaultBlockFactor);

            for (int i = ; i < listFilesPath.Count; i++)
            {
                string fileName = listFilesPath[i];
                TarEntry entry = TarEntry.CreateEntryFromFile(fileName);//将文件写到.tar文件中去
                archive.WriteEntry(entry, true);
            }

            if (archive != null)
            {
                archive.Close();
            }

            outStream.Close();

            return true;
        }

生成tar文件（针对于多个文件）

/// <summary>
/// tar包解压
/// </summary>
/// <param name="strFilePath">tar包路径</param>
/// <param name="strUnpackDir">解压到的目录</param>
/// <returns></returns>
public static bool UnpackTarFiles(string strFilePath, string strUnpackDir)
{
    try
    {
        if (!File.Exists(strFilePath))
        {
            return false;
        }  

        strUnpackDir = strUnpackDir.Replace("/", "\\");
        if (!strUnpackDir.EndsWith("\\"))
        {
            strUnpackDir += "\\";
        }  

        if (!Directory.Exists(strUnpackDir))
        {
            Directory.CreateDirectory(strUnpackDir);
        }  

        FileStream fr = new FileStream(strFilePath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
        DhcEc.SharpZipLib.Tar.TarInputStream s = new DhcEc.SharpZipLib.Tar.TarInputStream(fr);
        DhcEc.SharpZipLib.Tar.TarEntry theEntry;
        while ((theEntry = s.GetNextEntry()) != null)
        {
            string directoryName = Path.GetDirectoryName(theEntry.Name);
            string fileName = Path.GetFileName(theEntry.Name);  

            if (directoryName != String.Empty)
                Directory.CreateDirectory(strUnpackDir + directoryName);  

            if (fileName != String.Empty)
            {
                FileStream streamWriter = File.Create(strUnpackDir + theEntry.Name);  

                int size = ;
                byte[] data = new byte[];
                while (true)
                {
                    size = s.Read(data, , data.Length);
                    if (size > )
                    {
                        streamWriter.Write(data, , size);
                    }
                    else
                    {
                        break;
                    }
                }  

                streamWriter.Close();
            }
        }
        s.Close();
        fr.Close();  

        return true;
    }
    catch (Exception)
    {
        return false;
    }
} 

tar包解压

/// <summary>
/// zip压缩文件
/// </summary>
/// <param name="filename">filename生成的文件的名称，如：C\123\123.zip</param>
/// <param name="directory">directory要压缩的文件夹路径</param>
/// <returns></returns>
public static bool PackFiles(string filename, string directory)
{
    try
    {
        directory = directory.Replace("/", "\\");  

        if (!directory.EndsWith("\\"))
            directory += "\\";
        if (!Directory.Exists(directory))
        {
            Directory.CreateDirectory(directory);
        }
        if (File.Exists(filename))
        {
            File.Delete(filename);
        }  

        FastZip fz = new FastZip();
        fz.CreateEmptyDirectories = true;
        fz.CreateZip(filename, directory, true, "");  

        return true;
    }
    catch (Exception)
    {
        return false;
    }
} 

zip压缩文件

/// <summary>
/// zip解压文件
/// </summary>
/// <param name="file">压缩文件的名称，如：C:\123\123.zip</param>
/// <param name="dir">dir要解压的文件夹路径</param>
/// <returns></returns>
public static bool UnpackFiles(string file, string dir)
{
    try
    {
        if (!File.Exists(file))
            return false;  

        dir = dir.Replace("/", "\\");
        if (!dir.EndsWith("\\"))
            dir += "\\";  

        if (!Directory.Exists(dir))
            Directory.CreateDirectory(dir);  

        FileStream fr = new FileStream(strFilePath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
        DhcEc.SharpZipLib.Zip.ZipInputStream s = new DhcEc.SharpZipLib.Zip.ZipInputStream(fr);
        DhcEc.SharpZipLib.Zip.ZipEntry theEntry;
        while ((theEntry = s.GetNextEntry()) != null)
        {
            string directoryName = Path.GetDirectoryName(theEntry.Name);
            string fileName = Path.GetFileName(theEntry.Name);  

            if (directoryName != String.Empty)
                Directory.CreateDirectory(dir + directoryName);  

            if (fileName != String.Empty)
            {
                FileStream streamWriter = File.Create(dir + theEntry.Name);  

                int size = ;
                byte[] data = new byte[];
                while (true)
                {
                    size = s.Read(data, , data.Length);
                    if (size > )
                    {
                        streamWriter.Write(data, , size);
                    }
                    else
                    {
                        break;
                    }
                }  

                streamWriter.Close();
            }
        }
        s.Close();
        fr.Close();  

        return true;
    }
    catch (Exception)
    {
        return false;
    }
}

zip解压文件

 /// <summary>
        /// 压缩文件夹
        /// </summary>
        /// <param name="DirectoryToZip">需要压缩的文件夹（绝对路径)</param>
        /// <param name="ZipedPath">压缩后的文件路径（绝对路径）</param>
        /// <param name="ZipedFileName">>压缩后的文件名称（文件名，默认 同源文件夹同名）</param>
        public static void ZipDirectory(string DirectoryToZip, string ZipedPath, string ZipedFileName = "")
        {
            //如果目录不存在，则报错
            if (!System.IO.Directory.Exists(DirectoryToZip))
            {
                throw new System.IO.FileNotFoundException("指定的目录: " + DirectoryToZip + " 不存在!");
            }
            //文件名称（默认同源文件名称相同）
            string ZipFileName = string.IsNullOrEmpty(ZipedFileName) ? ZipedPath + "\\" + new DirectoryInfo(DirectoryToZip).Name + ".zip" : ZipedPath + "\\" + ZipedFileName + ".zip";
            using (System.IO.FileStream ZipFile = System.IO.File.Create(ZipFileName))
            {
                using (ZipOutputStream s = new ZipOutputStream(ZipFile))
                {
                    ZipSetp(DirectoryToZip, s, "");
                }
            }
        }

        /// <summary>
        /// 递归遍历目录
        /// </summary>
        private static void ZipSetp(string strDirectory, ZipOutputStream s, string parentPath)
        {
            if (strDirectory[strDirectory.Length - ] != Path.DirectorySeparatorChar)
            {
                strDirectory += Path.DirectorySeparatorChar;
            }
            Crc32 crc = new Crc32();
            string[] filenames = Directory.GetFileSystemEntries(strDirectory);
            foreach (string file in filenames)// 遍历所有的文件和目录
            {
                if (Directory.Exists(file))// 先当作目录处理如果存在这个目录就递归Copy该目录下面的文件
                {
                    string pPath = parentPath;
                    pPath += file.Substring(file.LastIndexOf("\\") + );
                    pPath += "\\";
                    ZipSetp(file, s, pPath);
                }
                else // 否则直接压缩文件
                {
                    //打开压缩文件
                    using (FileStream fs = File.OpenRead(file))
                    {
                        byte[] buffer = new byte[fs.Length];
                        fs.Read(buffer, , buffer.Length);
                        string fileName = parentPath + file.Substring(file.LastIndexOf("\\") + );
                        ZipEntry entry = new ZipEntry(fileName);
                        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, , buffer.Length);
                    }
                }
            }
        }

将文件夹压缩成zip

使用C#自带类库对单个文件进行解压缩（rar）

        public void YaSuo()
        {
            using (FileStream fsRead = File.OpenRead(@"F:\MVC5_Demo\Project4YaSuo\Project4YaSuo\Files\笔记.txt"))
            {
                //创建写入文件的流
                using (FileStream fsWrite = File.OpenWrite(@"F:\MVC5_Demo\Project4YaSuo\Project4YaSuo\Files\yasuo.rar"))
                {
                    //创建压缩流
                    using (GZipStream zipStream = new GZipStream(fsWrite, CompressionMode.Compress))
                    {
                        //每次读取1024byte
                        byte[] byts = new byte[ * ];
                        int len = ;
                        while ((len = fsRead.Read(byts, , byts.Length)) > )
                        {
                            zipStream.Write(byts, , len);//通过压缩流写入文件
                        }
                    }
                }
            }
        }

压缩成rar文件

        public void JieYa()
        {
            //读取压缩文件
            using (FileStream fsRead = File.OpenRead(@"F:\MVC5_Demo\Project4YaSuo\Project4YaSuo\Files\yasuo.rar"))
            {
                //创建压缩流
                using (GZipStream gzipStream = new GZipStream(fsRead, CompressionMode.Decompress))
                {
                    using (FileStream fsWrite = File.OpenWrite(@"F:\MVC5_Demo\Project4YaSuo\Project4YaSuo\Files\笔记.txt"))
                    {
                        byte[] byts = new byte[ * ];
                        int len = ;
                        //写入新文件
                        while ((len = gzipStream.Read(byts, , byts.Length)) > )
                        {
                            fsWrite.Write(byts, , len);
                        }
                    }

                }
            }
        }

解压