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
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/// <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; }
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/// <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(); } }
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/// <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; }
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/// <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 = 0; 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; }
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/// <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 = 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; } } streamWriter.Close(); } } s.Close(); fr.Close(); return true; } catch (Exception) { return false; } }
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/// <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; } }
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/// <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 = 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; } } streamWriter.Close(); } } s.Close(); fr.Close(); return true; } catch (Exception) { return false; } }
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/// <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 - 1] != 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("\\") + 1); 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, 0, buffer.Length); string fileName = parentPath + file.Substring(file.LastIndexOf("\\") + 1); 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, 0, buffer.Length); } } } }
使用C#自带类库对单个文件进行解压缩(rar)
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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[1024 * 10]; int len = 0; while ((len = fsRead.Read(byts, 0, byts.Length)) > 0) { zipStream.Write(byts, 0, len);//通过压缩流写入文件 } } } } }
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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[1024 * 10]; int len = 0; //写入新文件 while ((len = gzipStream.Read(byts, 0, byts.Length)) > 0) { fsWrite.Write(byts, 0, len); } } } } }