public Write ( byte buffer, int offset, int count ) : void | ||
buffer | byte | The buffer containing data to write. |
offset | int | The offset of the first byte to write. |
count | int | The number of bytes to write. |
return | void |
/// <summary> /// This function creates a zip /// </summary> /// <param name="filepaths">List of absolute system filepaths</param> /// <param name="zipFileName">Absolute desired systeme final zip filepath</param> /// <param name="compressionLevel">Compression level from 0 (no comp.) to 9 (best comp.)</param> /// <returns></returns> public StdResult<NoType> CreateZip(List<string> filepaths, string zipFileName, int compressionLevel) { try { using (ZipOutputStream s = new ZipOutputStream(File.Create(zipFileName))) { s.SetLevel(9); // 0 - store only to 9 - means best compression byte[] buffer = new byte[4096]; foreach (string file in filepaths) { // Using GetFileName makes the result compatible with XP // as the resulting path is not absolute. ZipEntry entry = new ZipEntry(Path.GetFileName(file)); // Setup the entry data as required. // Crc and size are handled by the library for seakable streams // so no need to do them here. // Could also use the last write time or similar for the file. entry.DateTime = DateTime.Now; s.PutNextEntry(entry); using (FileStream fs = File.OpenRead(file)) { // Using a fixed size buffer here makes no noticeable difference for output // but keeps a lid on memory usage. int sourceBytes; do { sourceBytes = fs.Read(buffer, 0, buffer.Length); s.Write(buffer, 0, sourceBytes); } while (sourceBytes > 0); } } // Finish/Close arent needed strictly as the using statement does this automatically // Finish is important to ensure trailing information for a Zip file is appended. Without this // the created file would be invalid. s.Finish(); // Close is important to wrap things up and unlock the file. s.Close(); return StdResult<NoType>.OkResult; } } catch (Exception ex) { return StdResult<NoType>.BadResult(ex.Message); // No need to rethrow the exception as for our purposes its handled. } }
private void saveFileDialog_FileOk(object sender, CancelEventArgs e) { ReportText = ReportTextBox.Text; ZipEntry ze; ZipOutputStream zip_out = new ZipOutputStream(File.Create((sender as SaveFileDialog).FileName)); string SourceText; byte[] data=null; foreach (string FileName in FileNames) { SourceText = VEC.StandartCompiler.GetSourceFileText(FileName); if (SourceText != null) { data = System.Text.Encoding.GetEncoding(1251).GetBytes(SourceText); ze = new ZipEntry(System.IO.Path.GetFileName(FileName)); zip_out.PutNextEntry(ze); zip_out.Write(data, 0, data.Length); } } ze = new ZipEntry("Report.txt"); zip_out.PutNextEntry(ze); data = System.Text.Encoding.GetEncoding(1251).GetBytes(ReportText); zip_out.Write(data, 0, data.Length); zip_out.Finish(); zip_out.Close(); }
public void ZipFile(string FileToZip, string ZipedFile, int CompressionLevel, int BlockSize) { if (!File.Exists(FileToZip)) { throw new FileNotFoundException("The specified file " + FileToZip + " could not be found. Zipping aborderd"); } FileStream fileStream = new FileStream(FileToZip, FileMode.Open, FileAccess.Read); FileStream baseOutputStream = File.Create(ZipedFile); ZipOutputStream zipOutputStream = new ZipOutputStream(baseOutputStream); ZipEntry entry = new ZipEntry("ZippedFile"); zipOutputStream.PutNextEntry(entry); zipOutputStream.SetLevel(CompressionLevel); byte[] array = new byte[BlockSize]; int num = fileStream.Read(array, 0, array.Length); zipOutputStream.Write(array, 0, num); try { while ((long)num < fileStream.Length) { int num2 = fileStream.Read(array, 0, array.Length); zipOutputStream.Write(array, 0, num2); num += num2; } } catch (Exception ex) { throw ex; } zipOutputStream.Finish(); zipOutputStream.Close(); fileStream.Close(); }
public void ZipFile(string FileToZip, string ZipedFile, int CompressionLevel, int BlockSize) { //如果文件没有找到,则报错 if (!System.IO.File.Exists(FileToZip)) { throw new System.IO.FileNotFoundException("The specified file " + FileToZip + " could not be found. Zipping aborderd"); } System.IO.FileStream StreamToZip = new System.IO.FileStream(FileToZip, System.IO.FileMode.Open, System.IO.FileAccess.Read); System.IO.FileStream ZipFile = System.IO.File.Create(ZipedFile); ZipOutputStream ZipStream = new ZipOutputStream(ZipFile); ZipEntry ZipEntry = new ZipEntry("ZippedFile"); ZipStream.PutNextEntry(ZipEntry); ZipStream.SetLevel(CompressionLevel); byte[] buffer = new byte[BlockSize]; System.Int32 size = StreamToZip.Read(buffer, 0, buffer.Length); ZipStream.Write(buffer, 0, size); try { while (size < StreamToZip.Length) { int sizeRead = StreamToZip.Read(buffer, 0, buffer.Length); ZipStream.Write(buffer, 0, sizeRead); size += sizeRead; } } catch (System.Exception ex) { throw ex; } ZipStream.Finish(); ZipStream.Close(); StreamToZip.Close(); }
public static string AddZip(string fileName, string zipName, ZipOutputStream s) { Crc32 crc = new Crc32(); try { FileStream fs = File.OpenRead(fileName); byte[] buffer = new byte[fs.Length]; fs.Read(buffer, 0, buffer.Length); fileName = Path.GetFileName(fileName); long fileLength = fs.Length; fs.Close(); ZipEntry entry = new ZipEntry(zipName); entry.DateTime = DateTime.Now; entry.Size = fileLength; crc.Reset(); crc.Update(buffer); entry.Crc = crc.Value; s.PutNextEntry(entry); s.Write(buffer, 0, buffer.Length); return string.Empty; } catch (Exception addEx) { return addEx.ToString(); } }
private static void ZipFileDirectory(string[] files, ZipOutputStream z) { FileStream fs = null; Crc32 crc = new Crc32(); try { foreach(string file in files) { fs = File.OpenRead(file); byte[] buffer = new byte[fs.Length]; fs.Read(buffer, 0, buffer.Length); string fileName = Path.GetFileName(file); ZipEntry entry = new ZipEntry(fileName); entry.DateTime = DateTime.Now; entry.Size = fs.Length; fs.Close(); crc.Reset(); crc.Update(buffer); entry.Crc = crc.Value; z.PutNextEntry(entry); z.Write(buffer, 0, buffer.Length); } } finally { if(fs!=null) { fs.Close(); fs = null; } GC.Collect(); } }
/// <summary> /// Compresses an array of bytes and stores the result in a new array of bytes. /// </summary> /// <param name="uncompressed">The uncompressed buffer.</param> /// <param name="compressed">An array of bytes where the compressed input will be stored.</param> /// <remarks> /// The compressed input is passed back to the calling method as an <b>out</b> /// parameter. That means that the calling method doesn't need to initialize the /// compressed buffer. /// </remarks> /// <exception cref="ArgumentNullException"> /// Thrown if the uncompressed input buffer is empty or null. /// </exception> /// <exception cref="CWZipException"> /// Thrown if a problem is encountered during the compression process. /// </exception> public static void CompressBuffer(byte[] uncompressed, out byte[] compressed) { if ((uncompressed == null) || (uncompressed.Length == 0)) { throw new ArgumentNullException("uncompressed", "The uncompressed input buffer cannot be null or empty."); } MemoryStream ms = null; compressed = null; try { ms = new MemoryStream(); ZipOutputStream zip = new ZipOutputStream(ms); zip.SetLevel(compressionLevel); ZipEntry entry = new ZipEntry("1"); zip.PutNextEntry(entry); zip.Write(uncompressed, 0, uncompressed.Length); zip.Finish(); ms.Position = 0; compressed = ms.ToArray(); ms.Close(); } catch (Exception e) { if (ms != null) { ms.Close(); } throw new CWZipException(e.Message); } finally { ms = null; GC.Collect(); } }
private void WriteObjectToZip (ZipOutputStream zip_out, FileSystemObject fso, EventTracker tracker) { MemoryStream memory = null; string name; name = fso.FullName.Substring (this.FullName.Length + 1); if (fso is DirectoryObject) name += "/"; ZipEntry entry; entry = new ZipEntry (name); entry.DateTime = fso.Timestamp; if (fso is DirectoryObject) entry.Size = 0; else { memory = new MemoryStream (); ((FileObject) fso).AddToStream (memory, tracker); entry.Size = memory.Length; } zip_out.PutNextEntry (entry); if (memory != null) { zip_out.Write (memory.ToArray (), 0, (int) memory.Length); memory.Close (); } // If this is a directory, write out the children if (fso is DirectoryObject) foreach (FileSystemObject child in fso.Children) WriteObjectToZip (zip_out, child, tracker); }
public void zip(string to, string[] files) { using (ZipOutputStream s = new ZipOutputStream(File.Create(to))) { s.SetLevel(9); byte[] buffer = new byte[4096]; foreach (string file in files) { ZipEntry entry = new ZipEntry(Path.GetFileName(file)) { DateTime = DateTime.Now }; s.PutNextEntry(entry); using (FileStream fs = File.OpenRead(file)) { int sourceBytes; do { sourceBytes = fs.Read(buffer, 0, buffer.Length); s.Write(buffer, 0, sourceBytes); } while (sourceBytes > 0); } } s.Finish(); s.Close(); } }
//public static void ZipFile(string path, string file2Zip, string zipFileName, string zip, string bldgType) public static void ZipFile(string path, string file2Zip, string zipFileName) { //MemoryStream ms = InitializeGbxml(path + file2Zip, zip, bldgType) as MemoryStream; MemoryStream ms = InitializeGbxml(Path.Combine(path , file2Zip)) as MemoryStream; string compressedFile =Path.Combine(path, zipFileName); if (File.Exists(compressedFile)) { File.Delete(compressedFile); } Crc32 objCrc32 = new Crc32(); ZipOutputStream strmZipOutputStream = new ZipOutputStream(File.Create(compressedFile)); strmZipOutputStream.SetLevel(9); byte[] gbXmlBuffer = new byte[ms.Length]; ms.Read(gbXmlBuffer, 0, gbXmlBuffer.Length); ZipEntry objZipEntry = new ZipEntry(file2Zip); objZipEntry.DateTime = DateTime.Now; objZipEntry.Size = ms.Length; ms.Close(); objCrc32.Reset(); objCrc32.Update(gbXmlBuffer); objZipEntry.Crc = objCrc32.Value; strmZipOutputStream.PutNextEntry(objZipEntry); strmZipOutputStream.Write(gbXmlBuffer, 0, gbXmlBuffer.Length); strmZipOutputStream.Finish(); strmZipOutputStream.Close(); strmZipOutputStream.Dispose(); }
/// <summary> /// Zip all the specified files into the specified ZipFileName. /// </summary> public static string ZipFiles(IEnumerable<string> FilesToZip, string ZipFileName, string Password) { if (!File.Exists(ZipFileName)) File.Delete(ZipFileName); ZipOutputStream Zip = new ZipOutputStream(File.Create(ZipFileName)); if (Password != "") Zip.Password = Password; try { Zip.SetLevel(5); // 0 - store only to 9 - means best compression foreach (string FileName in FilesToZip) { FileStream fs = File.OpenRead(FileName); byte[] Buffer = new byte[fs.Length]; fs.Read(Buffer, 0, Buffer.Length); fs.Close(); ZipEntry Entry = new ZipEntry(Path.GetFileName(FileName)); Zip.PutNextEntry(Entry); Zip.Write(Buffer, 0, Buffer.Length); } Zip.Finish(); Zip.Close(); return ZipFileName; } catch (System.Exception) { Zip.Finish(); Zip.Close(); File.Delete(ZipFileName); throw; } }
public static string PackToBase64(byte[] data) { byte[] buffer; MemoryStream ms = new MemoryStream(); using (ICSharpCode.SharpZipLib.Zip.ZipOutputStream zipOutputStream = new ICSharpCode.SharpZipLib.Zip.ZipOutputStream(ms)) { zipOutputStream.SetLevel(9); ICSharpCode.SharpZipLib.Zip.ZipEntry zipEntry = new ICSharpCode.SharpZipLib.Zip.ZipEntry("Boliglag.Admin"); zipOutputStream.PutNextEntry(zipEntry); zipOutputStream.Write(data, 0, data.Length); zipOutputStream.Flush(); zipOutputStream.Finish(); buffer = new byte[ms.Length]; ms.Position = 0; ms.Read(buffer, 0, Convert.ToInt32(ms.Length)); }//using ( ICSharpCode.SharpZipLib.Zip.ZipOutputStream zipOutputStream = new ICSharpCode.SharpZipLib.Zip.ZipOutputStream( fileStreamOut ) ) ... return(ToBase64(buffer)); }
public static string PackToBase64(string text) { byte[] buffer; MemoryStream ms = new MemoryStream(); using (ICSharpCode.SharpZipLib.Zip.ZipOutputStream zipOutputStream = new ICSharpCode.SharpZipLib.Zip.ZipOutputStream(ms)) { zipOutputStream.SetLevel(9); ICSharpCode.SharpZipLib.Zip.ZipEntry zipEntry = new ICSharpCode.SharpZipLib.Zip.ZipEntry("Boliglag.Admin"); zipOutputStream.PutNextEntry(zipEntry); byte[] bytes = System.Text.Encoding.Unicode.GetBytes(text.ToCharArray()); zipOutputStream.Write(bytes, 0, bytes.Length); zipOutputStream.Flush(); zipOutputStream.Finish(); buffer = new byte[ms.Length]; ms.Position = 0; ms.Read(buffer, 0, Convert.ToInt32(ms.Length)); }//using ( ICSharpCode.SharpZipLib.Zip.ZipOutputStream zipOutputStream = new ICSharpCode.SharpZipLib.Zip.ZipOutputStream( fileStreamOut ) ) ... return(ToBase64(buffer)); }
public static string GetZipFileName(string filename) { string zipfile = filename.Replace (".db", ".zip"); try { using (ZipOutputStream s = new ZipOutputStream (File.Create (zipfile))) { s.SetLevel (9); // 0 - store only to 9 - means best compression byte[] buffer = new byte[4096]; ZipEntry entry = new ZipEntry (filename); entry.DateTime = DateTime.Now; s.PutNextEntry (entry); using (FileStream fs = File.OpenRead (filename)) { int sourceBytes; do { sourceBytes = fs.Read (buffer, 0, buffer.Length); s.Write (buffer, 0, sourceBytes); } while (sourceBytes > 0); } s.Finish (); s.Close (); } } catch (Exception ex) { zipfile = filename; } return zipfile; }
/// <summary> /// Método que faz o zip de arquivos encontrados no diretório <strPathDirectory> /// </summary> /// <param name="strPath"></param> public static void ZipFiles(String strPathDirectory, String strZipName) { try { using (ZipOutputStream ZipOut = new ZipOutputStream(File.Create(strPathDirectory + "\\" + strZipName + ".zip"))) { string[] OLfiles = Directory.GetFiles(strPathDirectory); Console.WriteLine(OLfiles.Length); ZipOut.SetLevel(9); byte[] buffer = new byte[4096]; foreach (string filename in OLfiles) { ZipEntry entry = new ZipEntry(Path.GetFileName(filename)); ZipOut.PutNextEntry(entry); using (FileStream fs = File.OpenRead(filename)) { int sourceBytes; do { sourceBytes = fs.Read(buffer, 0, buffer.Length); ZipOut.Write(buffer, 0, sourceBytes); } while (sourceBytes > 0); } } ZipOut.Finish(); ZipOut.Close(); } } catch (System.Exception ex) { System.Console.Error.WriteLine("exception: " + ex); //TODO colocar log } }
/// <summary> /// 压缩文件 /// </summary> /// <param name="sourceFilePath">待压缩的文件或文件夹路径</param> /// <param name="destinationZipFilePath">保存压缩文件的文件名</param> /// <param name="level">压缩文件等级</param> /// <returns>返回-2说明被压缩文件已经存在,返回1说明压缩成功</returns> public static int CreateFileZip(string sourceFilePath, string destinationZipFilePath, int level) { if (!Directory.Exists(destinationZipFilePath.Substring(0, destinationZipFilePath.LastIndexOf("\\")))) { Directory.CreateDirectory(destinationZipFilePath.Substring(0, destinationZipFilePath.LastIndexOf("\\"))); } if (File.Exists(destinationZipFilePath)) { return -2; } else { ZipOutputStream zipStream = new ZipOutputStream(File.Create(destinationZipFilePath)); zipStream.SetLevel(level); // 压缩级别 0-9 Crc32 crc = new Crc32(); FileStream fileStream = File.OpenRead(sourceFilePath); byte[] buffer = new byte[fileStream.Length]; fileStream.Read(buffer, 0, buffer.Length); string tempFile = sourceFilePath.Substring(sourceFilePath.LastIndexOf("\\") + 1); ZipEntry entry = new ZipEntry(tempFile); entry.DateTime = DateTime.Now; entry.Size = fileStream.Length; fileStream.Close(); crc.Reset(); crc.Update(buffer); entry.Crc = crc.Value; zipStream.PutNextEntry(entry); zipStream.Write(buffer, 0, buffer.Length); zipStream.Finish(); zipStream.Close(); return 1; } }
public byte[] diskLess() { MemoryStream ms = new MemoryStream(); StreamWriter sw = new StreamWriter(ms); sw.WriteLine("HELLO!"); sw.WriteLine("I WANT TO SAVE THIS FILE AS A .TXT FILE WITHIN TWO FOLDERS"); sw.Flush(); //This is required or you get a blank text file :) ms.Position = 0; // create the ZipEntry archive from the txt file in memory stream ms MemoryStream outputMS = new System.IO.MemoryStream(); ZipOutputStream zipOutput = new ZipOutputStream(outputMS); ZipEntry ze = new ZipEntry(@"dir1/dir2/whatever.txt"); zipOutput.PutNextEntry(ze); zipOutput.Write(ms.ToArray(), 0, Convert.ToInt32(ms.Length)); zipOutput.Finish(); zipOutput.Close(); byte[] byteArrayOut = outputMS.ToArray(); outputMS.Close(); ms.Close(); return byteArrayOut; }
/// <summary> /// Compress an string using ZIP /// </summary> /// <param name="xml"></param> /// <returns></returns> public static byte[] CompressContent(string contentToZip) { System.Text.UTF8Encoding encoding = new System.Text.UTF8Encoding(); byte[] buff = encoding.GetBytes(contentToZip); try { using (MemoryStream stream = new MemoryStream()) { using (ZipOutputStream zipout = new ZipOutputStream(stream)) { zipout.SetLevel(9); ZipEntry entry = new ZipEntry("zipfile.zip"); entry.DateTime = DateTime.Now; zipout.PutNextEntry(entry); zipout.Write(buff, 0, buff.Length); zipout.Finish(); byte[] outputbyte = new byte[(int)stream.Length]; stream.Position = 0; stream.Read(outputbyte, 0, (int)stream.Length); return outputbyte; } } } catch (Exception ex) { ex.Message.ToString(); return null; } }
private void zip(string strFile, ZipOutputStream s, string staticFile) { if (strFile[strFile.Length - 1] != Path.DirectorySeparatorChar) strFile += Path.DirectorySeparatorChar; Crc32 crc = new Crc32(); string[] filenames = Directory.GetFileSystemEntries(strFile); foreach (string file in filenames) { if (Directory.Exists(file)) { zip(file, s, staticFile); } else // 否则直接压缩文件 { //打开压缩文件 FileStream fs = File.OpenRead(file); byte[] buffer = new byte[fs.Length]; fs.Read(buffer, 0, buffer.Length); string tempfile = file.Substring(staticFile.LastIndexOf("\\") + 1); ZipEntry entry = new ZipEntry(tempfile); 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); } } }
public static void Zip(string strFile, string strZipFile) { Crc32 crc1 = new Crc32(); ZipOutputStream stream1 = new ZipOutputStream(File.Create(strZipFile)); try { stream1.SetLevel(6); FileStream stream2 = File.OpenRead(strFile); byte[] buffer1 = new byte[stream2.Length]; stream2.Read(buffer1, 0, buffer1.Length); ZipEntry entry1 = new ZipEntry(strFile.Split(new char[] { '\\' })[strFile.Split(new char[] { '\\' }).Length - 1]); entry1.DateTime = DateTime.Now; entry1.Size = stream2.Length; stream2.Close(); crc1.Reset(); crc1.Update(buffer1); entry1.Crc = crc1.Value; stream1.PutNextEntry(entry1); stream1.Write(buffer1, 0, buffer1.Length); } catch (Exception exception1) { throw exception1; } finally { stream1.Finish(); stream1.Close(); stream1 = null; crc1 = null; } }
public static void ZipFiles(string inputFolderPath, string outputPathAndFile, string password) { ArrayList ar = GenerateFileList(inputFolderPath); // generate file list int TrimLength = (Directory.GetParent(inputFolderPath)).ToString().Length; // find number of chars to remove // from orginal file path TrimLength += 1; //remove '\' FileStream ostream; byte[] obuffer; string outPath = outputPathAndFile; ZipOutputStream oZipStream = new ZipOutputStream(File.Create(outPath)); // create zip stream if (password != null && password != String.Empty) oZipStream.Password = password; oZipStream.SetLevel(9); // maximum compression ZipEntry oZipEntry; foreach (string Fil in ar) // for each file, generate a zipentry { oZipEntry = new ZipEntry(Fil.Remove(0, TrimLength)); oZipStream.PutNextEntry(oZipEntry); if (!Fil.EndsWith(@"/")) // if a file ends with '/' its a directory { ostream = File.OpenRead(Fil); obuffer = new byte[ostream.Length]; ostream.Read(obuffer, 0, obuffer.Length); oZipStream.Write(obuffer, 0, obuffer.Length); } } oZipStream.Finish(); oZipStream.Close(); oZipStream.Dispose(); }
public static void CreateZipFile(string[] filenames, string outputFile) { // Zip up the files - From SharpZipLib Demo Code using (ZipOutputStream s = new ZipOutputStream(File.Create(outputFile))) { s.SetLevel(9); // 0-9, 9 being the highest level of compression byte[] buffer = new byte[4096]; foreach (string file in filenames) { ZipEntry entry = new ZipEntry(Path.GetFileName(file)); entry.DateTime = DateTime.Now; s.PutNextEntry(entry); using (FileStream fs = File.OpenRead(file)) { int sourceBytes; do { sourceBytes = fs.Read(buffer, 0, buffer.Length); s.Write(buffer, 0, sourceBytes); } while (sourceBytes > 0); } } s.Finish(); s.Close(); } }
/// <summary> /// 压缩文件夹 /// </summary> /// <param name="dirToZip"></param> /// <param name="zipedFileName"></param> /// <param name="compressionLevel">压缩率0(无压缩)9(压缩率最高)</param> public void ZipDir(string dirToZip, string zipedFileName, int compressionLevel = 9) { if (Path.GetExtension(zipedFileName) != ".zip") { zipedFileName = zipedFileName + ".zip"; } using (var zipoutputstream = new ZipOutputStream(File.Create(zipedFileName))) { zipoutputstream.SetLevel(compressionLevel); var crc = new Crc32(); var fileList = GetAllFies(dirToZip); foreach (DictionaryEntry item in fileList) { var fs = new FileStream(item.Key.ToString(), FileMode.Open, FileAccess.Read, FileShare.ReadWrite); var buffer = new byte[fs.Length]; fs.Read(buffer, 0, buffer.Length); // ZipEntry entry = new ZipEntry(item.Key.ToString().Substring(dirToZip.Length + 1)); var entry = new ZipEntry(Path.GetFileName(item.Key.ToString())) { DateTime = (DateTime) item.Value, Size = fs.Length }; fs.Close(); crc.Reset(); crc.Update(buffer); entry.Crc = crc.Value; zipoutputstream.PutNextEntry(entry); zipoutputstream.Write(buffer, 0, buffer.Length); } } }
private void Page_Load(object sender, System.EventArgs e) { System.DateTime dateTime = System.DateTime.Now; string s1 = "Message_Backup_\uFFFD" + dateTime.ToString("ddMMyy_HHmmss\uFFFD") + ".zip\uFFFD"; System.IO.MemoryStream memoryStream = new System.IO.MemoryStream(); ICSharpCode.SharpZipLib.Zip.ZipOutputStream zipOutputStream = new ICSharpCode.SharpZipLib.Zip.ZipOutputStream(memoryStream); ActiveUp.Net.Mail.Mailbox mailbox = ((ActiveUp.Net.Mail.Imap4Client)Session["imapobject\uFFFD"]).SelectMailbox(Request.QueryString["b\uFFFD"]); char[] chArr = new char[] { ',' }; string[] sArr = Request.QueryString["m\uFFFD"].Split(chArr); for (int i = 0; i < sArr.Length; i++) { string s2 = sArr[i]; byte[] bArr = mailbox.Fetch.Message(System.Convert.ToInt32(s2)); ActiveUp.Net.Mail.Header header = ActiveUp.Net.Mail.Parser.ParseHeader(bArr); ICSharpCode.SharpZipLib.Zip.ZipEntry zipEntry = new ICSharpCode.SharpZipLib.Zip.ZipEntry(header.Subject + ".eml\uFFFD"); zipOutputStream.PutNextEntry(zipEntry); zipOutputStream.SetLevel(9); zipOutputStream.Write(bArr, 0, bArr.Length); zipOutputStream.CloseEntry(); } zipOutputStream.Finish(); Response.AddHeader("Content-Disposition\uFFFD", "attachment; filename=\uFFFD" + s1); Response.ContentType = "application/zip\uFFFD"; Response.BinaryWrite(memoryStream.GetBuffer()); zipOutputStream.Close(); }
public static void CompressFiles(IEnumerable<ISong> files, string destinationPath) { if (log.IsDebugEnabled) { log.Debug("Starting creation of zip file : " + destinationPath); } using (ZipOutputStream zipOutputStream = new ZipOutputStream(new FileStream(destinationPath, FileMode.OpenOrCreate))) { zipOutputStream.SetLevel(0); foreach (ISong song in files) { FileInfo fileInfo = new FileInfo(song.MediaFilePath); ZipEntry entry = new ZipEntry(song.Artist.Name + "\\" + song.Album.Name + "\\" + song.Title + fileInfo.Extension); zipOutputStream.PutNextEntry(entry); FileStream fs = File.OpenRead(song.MediaFilePath); byte[] buff = new byte[1024]; int n = 0; while ((n = fs.Read(buff, 0, buff.Length)) > 0) { zipOutputStream.Write(buff, 0, n); } fs.Close(); } zipOutputStream.Finish(); } if (log.IsDebugEnabled) { log.Debug("Zip file created : " + destinationPath); } }
public static void CreateFromDirectory(string[] sourceFileNames, string destinationArchiveFileName) { using (ZipOutputStream zipStream = new ZipOutputStream(File.Create(destinationArchiveFileName))) { byte[] buffer = new byte[BufferSize]; zipStream.SetLevel(9); foreach (string file in sourceFileNames) { var entryName = Path.GetFileName(file); var fileInfo = new FileInfo(file); ZipEntry entry = new ZipEntry(entryName); entry.DateTime = fileInfo.LastWriteTime; zipStream.PutNextEntry(entry); using (FileStream fileStream = File.OpenRead(file)) { while (true) { int size = fileStream.Read(buffer, 0, buffer.Length); if (size <= 0) break; zipStream.Write(buffer, 0, size); } } } zipStream.Finish(); zipStream.Close(); } }
public void CreateZipFile(string[] straFilenames, string strOutputFilename) { Crc32 crc = new Crc32(); ZipOutputStream zos = new ZipOutputStream(File.Create(strOutputFilename)); zos.SetLevel(m_nCompressionLevel); foreach (string strFileName in straFilenames) { FileStream fs = File.OpenRead(strFileName); byte[] buffer = new byte[fs.Length]; fs.Read(buffer, 0, buffer.Length); ZipEntry entry = new ZipEntry(GetFileNameWithoutDrive(strFileName)); entry.DateTime = DateTime.Now; entry.Size = fs.Length; fs.Close(); crc.Reset(); crc.Update(buffer); entry.Crc = crc.Value; zos.PutNextEntry(entry); zos.Write(buffer, 0, buffer.Length); } zos.Finish(); zos.Close(); }
/// <summary> /// 递归压缩文件 /// </summary> /// <param name="sourceFilePath">待压缩的文件或文件夹路径</param> /// <param name="zipStream">打包结果的zip文件路径(类似 D:\WorkSpace\a.zip),全路径包括文件名和.zip扩展名</param> /// <param name="staticFile"></param> private static void CreateZipFiles(string sourceFilePath, ZipOutputStream zipStream, string staticFile) { Crc32 crc = new Crc32(); string[] filesArray = Directory.GetFileSystemEntries(sourceFilePath); foreach (string file in filesArray) { if (Directory.Exists(file)) //如果当前是文件夹,递归 { CreateZipFiles(file, zipStream, staticFile); } else //如果是文件,开始压缩 { FileStream fileStream = File.OpenRead(file); byte[] buffer = new byte[fileStream.Length]; fileStream.Read(buffer, 0, buffer.Length); string tempFile = file.Substring(staticFile.LastIndexOf("\\") + 1); ZipEntry entry = new ZipEntry(tempFile); entry.DateTime = DateTime.Now; entry.Size = fileStream.Length; fileStream.Close(); crc.Reset(); crc.Update(buffer); entry.Crc = crc.Value; zipStream.PutNextEntry(entry); zipStream.Write(buffer, 0, buffer.Length); } } }
public void CompressFile(string sourcePath, string destinationPath) { using (ICSharpCode.SharpZipLib.Zip.ZipOutputStream zipStream = new ICSharpCode.SharpZipLib.Zip.ZipOutputStream(File.Create(destinationPath))) { zipStream.SetLevel(9); byte[] buffer = new byte[4096]; ICSharpCode.SharpZipLib.Zip.ZipEntry entry = new ICSharpCode.SharpZipLib.Zip.ZipEntry(System.IO.Path.GetFileName(sourcePath)); entry.DateTime = DateTime.Now; zipStream.PutNextEntry(entry); using (FileStream fs = File.OpenRead(sourcePath)) { int sourceBytes = 0; do { sourceBytes = fs.Read(buffer, 0, buffer.Length); zipStream.Write(buffer, 0, sourceBytes); } while (sourceBytes > 0); } zipStream.Finish(); zipStream.Close(); zipStream.Dispose(); } }
public override void ExecuteResult(ControllerContext context) { string fileName = Path.GetTempFileName(); var response = context.HttpContext.Response; using (var zipOutputStream = new ZipOutputStream(new FileStream(fileName, FileMode.OpenOrCreate))) { zipOutputStream.SetLevel(0); foreach (var photo in Photos) { //FileInfo fileInfo = new FileInfo(photo.MediaFilePath); ZipEntry entry = new ZipEntry(Tag.Name + @"\" + photo.Id + ".jpg"); zipOutputStream.PutNextEntry(entry); using (FileStream fs = System.IO.File.OpenRead(photo.MediaFilePath)) { byte[] buff = new byte[1024]; int n = 0; while ((n = fs.Read(buff, 0, buff.Length)) > 0) zipOutputStream.Write(buff, 0, n); } } zipOutputStream.Finish(); } System.IO.FileInfo file = new System.IO.FileInfo(fileName); response.Clear(); response.AddHeader("Content-Disposition", "attachment; filename=" + "Photos.zip"); response.AddHeader("Content-Length", file.Length.ToString()); response.ContentType = "application/octet-stream"; response.WriteFile(file.FullName); response.End(); System.IO.File.Delete(fileName); }
public static string CreateZIPFile(string path, int M, string strsuff) { try { Crc32 crc = new Crc32();//未压缩的 ICSharpCode.SharpZipLib.Zip.ZipOutputStream zipout = new ICSharpCode.SharpZipLib.Zip.ZipOutputStream(System.IO.File.Create(path + ".zip")); //ICSharpCode.SharpZipLib.GZip.GZipOutputStream zipout = new GZipOutputStream(System.IO.File.Create(path+ ".zip")); System.IO.FileStream fs = System.IO.File.OpenRead(path + strsuff); long pai = 1024 * 1024 * M;//每M兆写一次 long forint = fs.Length / pai + 1; byte[] buffer = null; zipout.SetLevel(7); ZipEntry entry = new ZipEntry(System.IO.Path.GetFileName(path + strsuff)); entry.Size = fs.Length; entry.DateTime = DateTime.Now; zipout.PutNextEntry(entry); //zipout. for (long i = 1; i <= forint; i++) { if (pai * i < fs.Length) { buffer = new byte[pai]; fs.Seek(pai * (i - 1), System.IO.SeekOrigin.Begin); } else { if (fs.Length < pai) { buffer = new byte[fs.Length]; } else { buffer = new byte[fs.Length - pai * (i - 1)]; fs.Seek(pai * (i - 1), System.IO.SeekOrigin.Begin); } } fs.Read(buffer, 0, buffer.Length); crc.Reset(); crc.Update(buffer); zipout.Write(buffer, 0, buffer.Length); zipout.Flush(); } fs.Close(); zipout.Finish(); zipout.Close(); System.IO.File.Delete(path + strsuff); // File.Create(path.Replace(".doc","") + ".zip",buffer.Length); return(path + ".zip"); } catch (Exception ex) { string str = ex.Message; return(path); } }
/// <summary> /// 压缩文件(多文件) /// </summary> /// <param name="FileToZipList">要压缩的文件名集合</param> /// <param name="ZipedFile">生成的压缩文件路径</param> /// <param name="BlockSize">缓存块大小</param> public static void MultiFilesZip(IList<string> FileToZipList, string ZipedFile, int BlockSize) { FileStream ZipFile = File.Create(ZipedFile); ZipOutputStream ZipStream = new ZipOutputStream(ZipFile); try { foreach (string FileToZip in FileToZipList) { //如果文件没有找到,则报错 if (!File.Exists(HttpContext.Current.Server.MapPath("/" + FileToZip))) { MongoDBLog.LogRecord(new Exception("压缩文件未找到!")); continue; } FileStream StreamToZip = new FileStream (HttpContext.Current.Server.MapPath("/" + FileToZip), FileMode.Open, FileAccess.Read); ZipEntry ZipEntry = new ZipEntry(Path.GetFileName(FileToZip)); ZipStream.PutNextEntry(ZipEntry); byte[] buffer = new byte[BlockSize]; System.Int32 size = StreamToZip.Read(buffer, 0, buffer.Length); HttpContext.Current.Response.Write(StreamToZip.Length); ZipStream.Write(buffer, 0, size); while (size < StreamToZip.Length) { int sizeRead = StreamToZip.Read(buffer, 0, buffer.Length); ZipStream.Write(buffer, 0, sizeRead); size += sizeRead; } StreamToZip.Close(); } } catch (Exception ex) { MongoDBLog.LogRecord(ex); } finally { ZipStream.Finish(); ZipStream.Close(); } }
//[Authorize(Roles = "Admin")] public ActionResult ListarReporte(ListarReporteFormModel FORM) { ListarReporteViewModel model = new ListarReporteViewModel(FORM); if (FORM.IdTipoReportes == null || (FORM.IdTipoReportes != null && !FORM.IdTipoReportes.Any())) { ModelState.AddModelError("FORM.IdTipoReportes", "Debe elegir almenos un tipode reporte."); } if (ModelState.IsValid) { // Armamos nuestro archivo de salida por empresa y departamento MemoryStream outputMemStream = new MemoryStream(); ZipOutputStream zipStream = new ZipOutputStream(outputMemStream); zipStream.SetLevel(3); //0-9, 9 being the highest level of compression using (Stream memOutput = new MemoryStream()) using (ZipOutputStream zipOutput = new ZipOutputStream(memOutput)) { zipOutput.SetLevel(3); //0-9, 9 being the highest level of compression foreach (var tipoEmpresa in FORM.Empresa) { var empresa = db.EMPRESAs.SingleOrDefault(x => x.Codigo == tipoEmpresa); IEnumerable<string> tipoDepartamentos = FORM.Departamento.Where(x=> x.Substring(0,2).Trim() == tipoEmpresa.Trim()); foreach(var tipoDepartamento in tipoDepartamentos) { string codigoDepartamento = tipoDepartamento.Substring(2,2).Trim(); var departamento = db.vw_Ubicaciones.FirstOrDefault(x => x.IdEmpresa == tipoEmpresa && x.Codigo.Trim() == codigoDepartamento); foreach (var tipoReporte in FORM.IdTipoReportes) { ArchivoReporteFactoria archivoReporteFactoria = new ArchivoReporteFactoria(); IArchivoReporte archivoReporte = archivoReporteFactoria.CrearArchivoReporteFactoria( tipoReporte, db, empresa, departamento, FORM.FechaDesde.Value, FORM.FechaHasta.Value, HttpContext.Server.MapPath("~/Content") , FORM.Rut); if (archivoReporte.GetArchivo() != null) { zipOutput.PutNextEntry(archivoReporte.GetZipArchivoReporte()); zipOutput.Write(archivoReporte.GetArchivo(), 0, archivoReporte.GetArchivoLength()); } } } } zipOutput.Finish(); byte[] newBytes = new byte[memOutput.Length]; memOutput.Seek(0, SeekOrigin.Begin); memOutput.Read(newBytes, 0, newBytes.Length); zipOutput.Close(); return File(newBytes, "application/zip", "Reportes -" + FORM.FechaDesde.Value.ToShortDateString() + " - " + FORM.FechaHasta.Value.ToShortDateString() + ".zip"); } } return View(model); }
/// <summary> /// Create a zip file. /// </summary> /// <param name="fileNames"></param> /// <param name="outputZipFile">Create a zipfile. it will override the existed files.</param> /// <returns></returns> public Boolean ZipFile(String[] fileNames,String outputZipFile) { try { // 'using' statements gaurantee the stream is closed properly which is a big source // of problems otherwise. Its exception safe as well which is great. using (ZipOutputStream s = new ZipOutputStream(File.Create(outputZipFile))) { s.SetLevel(9); // 0 - store only to 9 - means best compression byte[] buffer = new byte[4096]; foreach (String file in fileNames) { // Using GetFileName makes the result compatible with XP // as the resulting path is not absolute. ZipEntry entry = new ZipEntry(Path.GetFileName(file)); // Setup the entry data as required. // Crc and size are handled by the library for seakable streams // so no need to do them here. // Could also use the last write time or similar for the file. entry.DateTime = DateTime.Now; s.PutNextEntry(entry); using ( FileStream fs = File.OpenRead(file) ) { // Using a fixed size buffer here makes no noticeable difference for output // but keeps a lid on memory usage. int sourceBytes; do { sourceBytes = fs.Read(buffer, 0, buffer.Length); s.Write(buffer, 0, sourceBytes); } while ( sourceBytes > 0 ); } } // Finish/Close arent needed strictly as the using statement does this automatically // Finish is important to ensure trailing information for a Zip file is appended. Without this // the created file would be invalid. s.Finish(); // Close is important to wrap things up and unlock the file. s.Close(); } } catch(Exception ex) { return false; } return true; }
/// <summary> /// 压缩多个文件/文件夹 /// </summary> /// <param name="comment">注释信息</param> /// <param name="password">压缩密码</param> /// <param name="compressionLevel">压缩等级,范围从0到9,可选,默认为6</param> /// <param name="filePaths">压缩文件路径</param> /// <returns></returns> private MemoryStream CreateZip(string comment, string password, int compressionLevel, params string[] filePaths) { MemoryStream memoryStream = new MemoryStream(); using (SharpZipLib.ZipOutputStream zipStream = new SharpZipLib.ZipOutputStream(memoryStream)) { if (!string.IsNullOrWhiteSpace(password)) { zipStream.Password = password;//设置密码 } if (!string.IsNullOrWhiteSpace(comment)) { zipStream.SetComment(comment);//添加注释 } //设置压缩级别 zipStream.SetLevel(compressionLevel); foreach (string item in filePaths)//从字典取文件添加到压缩文件 { //如果不是文件直接跳过不打包 if (!File.Exists(item)) { continue; } FileInfo fileInfo = new FileInfo(item); using (FileStream fileStream = fileInfo.Open(FileMode.Open, FileAccess.Read, FileShare.Read)) { SharpZipLib.ZipEntry zipEntry = new SharpZipLib.ZipEntry(Path.GetFileName(item)); zipEntry.DateTime = fileInfo.LastWriteTime; zipEntry.Size = fileStream.Length; zipStream.PutNextEntry(zipEntry); int readLength = 0; byte[] buffer = new byte[bufferSize]; do { readLength = fileStream.Read(buffer, 0, bufferSize); zipStream.Write(buffer, 0, readLength); }while (readLength == bufferSize); } } } return(memoryStream); }
/// <summary> /// 压缩文件(Zip) /// </summary> /// <param name="filesPath">待压缩文件目录</param> /// <param name="zipFilePath">压缩文件输出目录</param> /// <returns></returns> public static ZipInfo CreateZipFile(string filesPath, string zipFilePath) { if (!System.IO.Directory.Exists(filesPath)) { return(new ZipInfo { Success = false, InfoMessage = "没有找到文件" }); } try { string[] filenames = System.IO.Directory.GetFiles(filesPath); using (ICSharpCode.SharpZipLib.Zip.ZipOutputStream s = new ICSharpCode.SharpZipLib.Zip.ZipOutputStream(File.Create(zipFilePath))) { s.SetLevel(9); // 压缩级别 0-9 //s.Password = "******"; //Zip压缩文件密码 byte[] buffer = new byte[4096]; //缓冲区大小 foreach (string file in filenames) { ICSharpCode.SharpZipLib.Zip.ZipEntry entry = new ICSharpCode.SharpZipLib.Zip.ZipEntry(Path.GetFileName(file)); entry.DateTime = DateTime.Now; s.PutNextEntry(entry); using (FileStream fs = File.OpenRead(file)) { int sourceBytes; do { sourceBytes = fs.Read(buffer, 0, buffer.Length); s.Write(buffer, 0, sourceBytes); } while (sourceBytes > 0); } } s.Finish(); s.Close(); } return(new ZipInfo { Success = true, InfoMessage = "压缩成功" }); } catch (Exception ex) { return(new ZipInfo { Success = false, InfoMessage = ex.Message }); } }
public static Boolean ZipFile(String filePath, String zipFile) { if (!File.Exists(filePath)) { Debug.WriteLine("Cannot find file '{0}'", filePath); return(false); } try { using (ICSharpCode.SharpZipLib.Zip.ZipOutputStream zipStream = new ICSharpCode.SharpZipLib.Zip.ZipOutputStream(File.Create(zipFile))) { zipStream.SetLevel(9); //0~9 byte[] buffer = new byte[4096]; ICSharpCode.SharpZipLib.Zip.ZipEntry entry = new ICSharpCode.SharpZipLib.Zip.ZipEntry(System.IO.Path.GetFileName(filePath)); entry.DateTime = DateTime.Now; zipStream.PutNextEntry(entry); using (FileStream fs = File.OpenRead(filePath)) { int sourceBytes = 0; do { sourceBytes = fs.Read(buffer, 0, buffer.Length); zipStream.Write(buffer, 0, sourceBytes); } while (sourceBytes > 0); } zipStream.Finish(); zipStream.Close(); zipStream.Dispose(); } if (File.Exists(zipFile)) { return(true); } } catch (Exception ex) { Debug.WriteLine("Exception during processing {0}", ex); } return(false); }
/// <summary> /// 压缩 /// </summary> /// <param name="sourceBytes">待压缩数据</param> /// <returns></returns> public static byte[] Zip(byte[] sourceBytes) { using (System.IO.MemoryStream ms = new System.IO.MemoryStream()) { using (ICSharpCode.SharpZipLib.Zip.ZipOutputStream zs = new ICSharpCode.SharpZipLib.Zip.ZipOutputStream(ms)) { ICSharpCode.SharpZipLib.Zip.ZipEntry entry = new ICSharpCode.SharpZipLib.Zip.ZipEntry("Code") { DateTime = DateTime.Now }; zs.PutNextEntry(entry); zs.Write(sourceBytes, 0, sourceBytes.Length); zs.Flush(); } return(ms.ToArray()); } }
private String CompressionDossier(String pFichier) { try { if (Directory.Exists(pFichier) == true) { //System.IO.Compression.GZipStream gzip = new System.IO.Compression.GZipStream(); using (var s = new ICSharpCode.SharpZipLib.Zip.ZipOutputStream(File.Create(String.Format("{0}.zip", pFichier)))) { s.SetLevel(9); var buffer = new byte[4096]; var entry = new ICSharpCode.SharpZipLib.Zip.ZipEntry(pFichier) { DateTime = DateTime.Now }; s.PutNextEntry(entry); using (StreamReader fs = new StreamReader(pFichier)) { int sourceBytes; do { sourceBytes = fs.Read(); s.Write(buffer, 0, sourceBytes); } while (sourceBytes > 0); } s.Finish(); s.Close(); s.Dispose(); pFichier = string.Format("{0}.zip", pFichier); } //} } return(pFichier); } catch (Exception ex) { throw ex; } }
}// ZipFile /// <summary> /// Zip multiple files(fileNames) in directory(directory) to (flowName).zip. /// </summary> /// <param name="directory"></param> /// <param name="fileNames"></param> /// <param name="reportName"></param> public static void PackFilesIntoOne(string directory, string[] fileNames, string outputFilename) { if (directory == null) { throw new ArgumentNullException("directory"); } if (fileNames == null) { throw new ArgumentNullException("fileNames"); } if (outputFilename == null) { throw new ArgumentNullException("outputFilename"); } if (fileNames.Length == 0) { throw new ArgumentException("Length cannot be 0.", "fileNames"); } string newFilename = Path.Combine(directory, outputFilename); if (File.Exists(newFilename)) { File.Delete(newFilename); } using (FileStream fileStreamOut = File.Create(newFilename)) { using (ICSharpCode.SharpZipLib.Zip.ZipOutputStream zipOutputStream = new ICSharpCode.SharpZipLib.Zip.ZipOutputStream(fileStreamOut)) { zipOutputStream.SetLevel(9); foreach (string filename in fileNames) { ICSharpCode.SharpZipLib.Zip.ZipEntry zipEntry = new ICSharpCode.SharpZipLib.Zip.ZipEntry(filename); zipOutputStream.PutNextEntry(zipEntry); using (FileStream fileStreamIn = File.OpenRead(Path.Combine(directory, filename))) { const long BUFFER_SIZE = 8192; long currentIndex = 0; byte[] buffer = new byte[BUFFER_SIZE]; if (fileStreamIn.Length <= BUFFER_SIZE) { fileStreamIn.Read(buffer, 0, Convert.ToInt32(fileStreamIn.Length)); zipOutputStream.Write(buffer, 0, Convert.ToInt32(fileStreamIn.Length)); } else { do { long remaining = BUFFER_SIZE; if (currentIndex + BUFFER_SIZE >= fileStreamIn.Length) { remaining = fileStreamIn.Length - currentIndex; } fileStreamIn.Read(buffer, 0, Convert.ToInt32(remaining)); currentIndex += remaining; zipOutputStream.Write(buffer, 0, Convert.ToInt32(remaining)); } while (currentIndex < fileStreamIn.Length); } } // using ( FileStream fileStreamIn = File.OpenRead( Path.Combine( directory, filename ) ... } // foreach zipOutputStream.Flush(); zipOutputStream.Finish(); } //using ( ICSharpCode.SharpZipLib.Zip.ZipOutputStream zipOutputStream = new ICSharpCode.SharpZipLib.Zip.ZipOutputStream( fileStreamOut ) ) ... } // using ( FileStream fileStreamOut = File.Create( newFilename ) ... }
protected void btnExport_Click(object sender, EventArgs e) { string xType = ddlExportType.SelectedItem.Text; bool xPack = ckbExportMulti.Checked; if (xPack) { Master.Log.Info("Creating package: " + txtZipName.Text); if (txtZipName.Text == "") { lblFNError.Visible = true; return; } else { lblFNError.Visible = false; } using (MemoryStream OutputStream = new MemoryStream()) { // Setup Zip Stream string zipFileName = txtZipName.Text + ".osapkg"; ICSharpCode.SharpZipLib.Zip.ZipOutputStream zipStream = new ICSharpCode.SharpZipLib.Zip.ZipOutputStream(OutputStream); zipStream.SetLevel(3); zipStream.UseZip64 = ICSharpCode.SharpZipLib.Zip.UseZip64.On; // Add each object on list to Zip in reverse order. int lstCount = lstFileList.Items.Count; if (lstCount > 0) { //foreach (ListItem lstItem in lstFileList.Items) while (lstCount > 0) { ListItem lstItem = lstFileList.Items[lstCount - 1]; int iSplit = lstItem.Text.IndexOf("::"); string[] args = new string[2]; //lstItem.Text.Split(':',':'); args[0] = lstItem.Text.Substring(0, iSplit); args[1] = lstItem.Text.Substring(iSplit + 2); ExportObject xObj = new ExportObject(args[0], args[1]); Master.Log.Info("Adding file: " + xObj.ExportFileName + " to package: " + txtZipName.Text); ICSharpCode.SharpZipLib.Zip.ZipEntry zipEntry = new ICSharpCode.SharpZipLib.Zip.ZipEntry(xObj.ExportFileName); zipEntry.DateTime = DateTime.Now; zipEntry.Size = xObj.byteData.Length; zipStream.PutNextEntry(zipEntry); zipStream.Write(xObj.byteData, 0, xObj.byteData.Length); zipStream.Flush(); zipStream.CloseEntry(); lstCount = lstCount - 1; } } // Finish up Zip zipStream.IsStreamOwner = false; zipStream.Close(); OutputStream.Position = 0; byte[] byteArray = OutputStream.GetBuffer(); Int64 leng = byteArray.Length; Response.Clear(); Response.AppendHeader("Content-Disposition", "attachment; filename=" + zipFileName); Response.AppendHeader("Content-Length", leng.ToString()); Response.ContentType = "application/zip"; Response.BinaryWrite(byteArray); Response.Flush(); Master.Log.Info("Exported package: " + txtZipName.Text + " - By User: "******"Username"]); } } else { // Only 1 File lstFileList.Items.Clear(); ExportObject sExport = new ExportObject(ddlObjToExport.SelectedValue, ddlExportType.SelectedValue); Master.Log.Info("Exporting File: " + sExport.ExportFileName + " - By User: "******"Username"]); Response.Clear(); Response.Buffer = true; Response.AddHeader("content-disposition", "attachment;filename=\"" + sExport.ExportFileName + "\""); Response.Charset = ""; if (sExport.DataType == "Text") { Response.ContentType = "application/text"; StringBuilder sb = new StringBuilder(sExport.stringData); Response.Output.Write(sb.ToString()); } else if (sExport.Type == "Image") { Response.ContentType = "image/" + Path.GetExtension(sExport.ExportFileName); Response.BinaryWrite(sExport.byteData); } else { Response.ContentType = "application/octet-stream"; Response.AppendHeader("Content-Length", sExport.ByteSize.ToString()); Response.BinaryWrite(sExport.byteData); } Response.Flush(); Response.End(); //Master.Log.Info("Exported file: " + sExport.ExportFileName + " - By User: "******"Username"]); } btnClear_Click(this, null); }
} // Unpack /// <summary> /// Zip a file. /// </summary> /// <param name="filename"></param> /// <param name="appendZipExtension"></param> public static void PackFile(string filename, bool appendZipExtension) { if (filename == null) { throw new ArgumentNullException("filename"); } if (!File.Exists(filename)) { throw new ArgumentException(string.Format("File does not exist: {0}.", filename), "filename"); } string newFilename = filename + ".zip"; if (!appendZipExtension) { newFilename = Path.GetDirectoryName(filename) + Path.DirectorySeparatorChar + Path.GetFileNameWithoutExtension(filename) + ".zip"; } if (File.Exists(newFilename)) { File.Delete(newFilename); } FileStream fileStreamOut = File.Create(newFilename); ICSharpCode.SharpZipLib.Zip.ZipOutputStream zipOutputStream = new ICSharpCode.SharpZipLib.Zip.ZipOutputStream(fileStreamOut); zipOutputStream.SetLevel(9); ICSharpCode.SharpZipLib.Zip.ZipEntry zipEntry = new ICSharpCode.SharpZipLib.Zip.ZipEntry(Path.GetFileName(filename)); zipOutputStream.PutNextEntry(zipEntry); FileStream fileStreamIn = File.OpenRead(filename); const long BUFFER_SIZE = 8192; long currentIndex = 0; byte[] buffer = new byte[BUFFER_SIZE]; if (fileStreamIn.Length <= BUFFER_SIZE) { fileStreamIn.Read(buffer, 0, Convert.ToInt32(fileStreamIn.Length)); zipOutputStream.Write(buffer, 0, Convert.ToInt32(fileStreamIn.Length)); } else { do { long remaining = BUFFER_SIZE; if (currentIndex + BUFFER_SIZE >= fileStreamIn.Length) { remaining = fileStreamIn.Length - currentIndex; } fileStreamIn.Read(buffer, 0, Convert.ToInt32(remaining)); currentIndex += remaining; zipOutputStream.Write(buffer, 0, Convert.ToInt32(remaining)); } while (currentIndex < fileStreamIn.Length); } fileStreamIn.Close(); zipOutputStream.Flush(); zipOutputStream.Finish(); zipOutputStream.Close(); fileStreamOut.Close(); }// ZipFile