| public SetLevel ( int level ) : void | ||
| level | int | The new compression level (1 to 9). |
| Résultat | void | |
public static void ZipFiles(string InputFolderPath, string outputPathAndFile, string password)
{
string outPath = outputPathAndFile;
ZipOutputStream oZipStream = new ZipOutputStream(File.Create(outPath));
int TrimLength = 0;
if (Directory.GetParent(InputFolderPath) != null)
{
TrimLength = (Directory.GetParent(InputFolderPath)).ToString().Length;
TrimLength += 1; //remove '\'
}
string DirPath = outPath.Remove(outPath.LastIndexOf(@"\"));
if (!Directory.Exists(DirPath))
Directory.CreateDirectory(DirPath);
DirectoryInfo dinf = new DirectoryInfo(InputFolderPath);
if (dinf.Exists)
{
if (!string.IsNullOrEmpty(password))
oZipStream.Password = password;
oZipStream.SetLevel(9); // maximum compression
ArrayList ar = GenerateFileList(InputFolderPath); // generate file list
foreach (object t in ar)
{
string Fil = t.ToString();
ZipFile(TrimLength, oZipStream, Fil);
}
}
else
{
FileInfo finf = new FileInfo(InputFolderPath);
if (!string.IsNullOrEmpty(password))
oZipStream.Password = password;
oZipStream.SetLevel(9); // maximum compression
ZipFile(TrimLength, oZipStream, finf.FullName);
}
oZipStream.Finish();
oZipStream.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 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 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);
}
/// <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;
}
}
public override Stream GetWriteStream(UploadedFile file)
{
file.ServerLocation = Path.Combine(HttpContext.Current.Server.MapPath(_location), Path.GetFileNameWithoutExtension(GetValidFileName(file.ClientName)) + ".zip");
Directory.CreateDirectory(Path.GetDirectoryName(file.ServerLocation));
FileStream fileS = null;
ZipOutputStream zipS = null;
try
{
fileS = File.OpenWrite(file.ServerLocation);
zipS = new ZipOutputStream(fileS);
zipS.SetLevel(5);
zipS.PutNextEntry(new ZipEntry(file.ClientName));
return zipS;
}
catch
{
if (zipS != null)
zipS.Dispose();
if (fileS != null)
fileS.Dispose();
throw;
}
}
public void Save(string extPath)
{
// https://forums.xamarin.com/discussion/7499/android-content-getexternalfilesdir-is-it-available
Java.IO.File sd = Android.OS.Environment.ExternalStorageDirectory;
//FileStream fsOut = File.Create(sd.AbsolutePath + "/Android/data/com.FSoft.are_u_ok_/files/MoodData.zip");
FileStream fsOut = File.Create(extPath + "/MoodData.zip");
//https://github.com/icsharpcode/SharpZipLib/wiki/Zip-Samples
ZipOutputStream zipStream = new ZipOutputStream(fsOut);
zipStream.SetLevel (3); //0-9, 9 being the highest level of compression
zipStream.Password = "******"; // optional. Null is the same as not setting. Required if using AES.
ZipEntry newEntry = new ZipEntry ("Mood.csv");
newEntry.IsCrypted = true;
zipStream.PutNextEntry (newEntry);
// Zip the file in buffered chunks
// the "using" will close the stream even if an exception occurs
byte[ ] buffer = new byte[4096];
string filename = extPath + "/MoodData.csv";
using (FileStream streamReader = File.OpenRead(filename)) {
StreamUtils.Copy(streamReader, zipStream, buffer);
}
zipStream.CloseEntry ();
zipStream.IsStreamOwner = true; // Makes the Close also Close the underlying stream
zipStream.Close ();
}
/// <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
}
}
public void PackageFiles(IEnumerable<ZipFileEntry> filesToZip)
{
using (var zipStream = new ZipOutputStream(File.Create(ZipFilePath)))
{
if (!string.IsNullOrEmpty(Password))
{
zipStream.Password = Password;
}
zipStream.SetLevel(9); // 9 -> "highest compression"
foreach (var fileEntry in filesToZip)
{
var zipEntry = new ZipEntry(fileEntry.FilePathInsideZip);
var fileInfo = new FileInfo(fileEntry.AbsoluteFilePath);
zipEntry.DateTime = fileInfo.LastWriteTime;
zipEntry.Size = fileInfo.Length;
zipStream.PutNextEntry(zipEntry);
// Zip the file in buffered chunks
var buffer = new byte[4096];
using (var streamReader = File.OpenRead(fileEntry.AbsoluteFilePath))
{
ICSharpCode.SharpZipLib.Core.StreamUtils.Copy(streamReader, zipStream, buffer);
}
zipStream.CloseEntry();
}
zipStream.Finish();
zipStream.Close();
}
}
/// <summary>
/// 将文件或目录压缩。
/// </summary>
/// <param name="paths">路径集合。</param>
/// <returns>压缩后数据</returns>
public static byte[] Zip(string[] paths)
{
byte[] data = null;
if (paths != null && paths.Length > 0)
{
using (MemoryStream ms = new MemoryStream())
{
//压缩数据保存到临时文件。
using (ZipOutputStream zipStream = new ZipOutputStream(ms))
{
zipStream.SetLevel(9);
for (int i = 0; i < paths.Length; i++)
{
if (File.Exists(paths[i]))
{
ZipFileData(zipStream, paths[i], null, null);
}
else if (Directory.Exists(paths[i]))
{
ZipFolderData(zipStream, paths[i], string.Empty);
}
}
zipStream.IsStreamOwner = true;
zipStream.Close();
}
data = ms.ToArray();
}
}
return data;
}
/// <summary>
/// Zips the specified source (File or Directory).
/// </summary>
public void Zip()
{
Common.ValidateOverwrite(this.overwriteTarget, this.target);
this.Log(String.Format("Zipping: [{0}] -> [{1}].", this.source, this.target), LogLevel.Minimal);
using (ZipOutputStream zipStream = new ZipOutputStream(File.Create(this.target)))
{
zipStream.SetLevel((int)zipLevel);
if (!String.IsNullOrEmpty(this.password))
zipStream.Password = this.password;
DirectoryInfo dir = new DirectoryInfo(Path.GetDirectoryName(this.source));
List<string> fileList = Common.GetFileList(this.source, this.fileFilter, this.recursive);
if (fileList.Count == 0)
this.Log(String.Format("No files found matching the filter criteria."), LogLevel.Verbose);
foreach (string filePath in fileList)
{
this.zipFile(zipStream, dir, new FileInfo(filePath));
}
zipStream.IsStreamOwner = true;
zipStream.Close();
}
this.Log(String.Format("Successfully Zipped: [{0}] -> [{1}].", this.source, this.target), LogLevel.Minimal);
Common.RemoveFile(this.removeSource, this.source);
}
/// <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();
}
}
public override Stream GetOutputStream(UploadedFile file)
{
FileStream fileS = null;
ZipOutputStream zipS = null;
try
{
string outputPath = GetZipPath(file);
Directory.CreateDirectory(Path.GetDirectoryName(outputPath));
fileS = File.OpenWrite(outputPath);
zipS = new ZipOutputStream(fileS);
zipS.SetLevel(5);
zipS.PutNextEntry(new ZipEntry(file.ClientName));
file.LocationInfo[FileNameKey] = outputPath;
return zipS;
}
catch
{
if (fileS != null)
fileS.Close();
if (zipS != null)
zipS.Close();
return null;
}
}
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();
}
}
private void CompressFilesToOneZipFile(ICollection<string> inputPaths, string zipFilePath)
{
Log.LogMessage(MessageImportance.Normal, "Zipping " + inputPaths.Count + " files to zip file " + zipFilePath);
using (var fsOut = File.Create(zipFilePath)) // Overwrites previous file
{
using (var zipStream = new ZipOutputStream(fsOut))
{
foreach (var inputPath in inputPaths)
{
zipStream.SetLevel(9); // Highest level of compression
var inputFileInfo = new FileInfo(inputPath);
var newEntry = new ZipEntry(inputFileInfo.Name) { DateTime = inputFileInfo.CreationTime };
zipStream.PutNextEntry(newEntry);
var buffer = new byte[4096];
using (var streamReader = File.OpenRead(inputPath))
{
ICSharpCode.SharpZipLib.Core.StreamUtils.Copy(streamReader, zipStream, buffer);
}
zipStream.CloseEntry();
}
zipStream.IsStreamOwner = true;
zipStream.Close();
}
}
}
/// <summary>
/// Zips the files in the specifed directory and outputs the zip file to the specified location.
/// </summary>
/// <param name="zipFilePath">The full path to the output zip file.</param>
/// <returns>The total number of files added to the zip file.</returns>
public int ZipToFile(string zipFilePath)
{
int total = 0;
if (Directory.Exists(DirectoryPath))
{
if (!Directory.Exists(Path.GetDirectoryName(zipFilePath)))
{
Directory.CreateDirectory(Path.GetDirectoryName(zipFilePath));
}
// Create the zip file
//Crc32 crc = new Crc32();
ZipOutputStream zipFile = new ZipOutputStream(File.Create(zipFilePath));
zipFile.UseZip64 = UseZip64.Off;
zipFile.SetLevel(9);
total += ZipFromPath(zipFile, DirectoryPath);
// Close the writer
zipFile.Finish();
zipFile.Close();
}
return total;
}
public void Zip(string outPathname, IList<ZipItem> contents)
{
var outputStream = File.Create(outPathname);
var zipStream = new ZipOutputStream(outputStream);
zipStream.SetLevel(3);
foreach (var item in contents)
{
if (item.IsDirectory)
{
var files = Directory.EnumerateFiles(item.FilePath);
foreach (var file in files)
{
AppendFile(zipStream, item.FolderInZip, file);
}
}
else
{
AppendFile(zipStream, item.FolderInZip, item.FilePath);
}
}
zipStream.IsStreamOwner = true;
zipStream.Close();
}
private static ZipOutputStream OpenZipStream(Purl path)
{
Stream stream = path.CreateFile();
ZipOutputStream zip = new ZipOutputStream(stream);
zip.SetLevel(5);
return zip;
}
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 ZipFileBuilder(Stream outStream)
{
zipStream = new ZipOutputStream(outStream);
zipStream.SetLevel(9); //best compression
factory = new ZipEntryFactory(DateTime.Now);
}
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();
}
}
public FileResult DownloadAllFiles()
{
var context = System.Web.HttpContext.Current;
var folderPath = context.Server.MapPath("~/UploadedFiles/");
var baseOutputStream = new MemoryStream();
ZipOutputStream zipOutput = new ZipOutputStream(baseOutputStream) {IsStreamOwner = false};
/*
* Higher compression level will cause higher usage of reources
* If not necessary do not use highest level 9
*/
zipOutput.SetLevel(4);
SharpZipLibHelper.ZipFolder(folderPath, zipOutput);
zipOutput.Finish();
zipOutput.Close();
/* Set position to 0 so that cient start reading of the stream from the begining */
baseOutputStream.Position = 0;
/* Set custom headers to force browser to download the file instad of trying to open it */
return new FileStreamResult(baseOutputStream, "application/x-zip-compressed")
{
FileDownloadName = "eResult.zip"
};
}
private static void CreateToMemoryStream(IEnumerable<Tuple<string, Stream>> entries, string zipName)
{
MemoryStream outputMemStream = new MemoryStream();
ZipOutputStream zipStream = new ZipOutputStream(outputMemStream);
zipStream.SetLevel(3); //0-9, 9 being the highest level of compression
foreach (var entry in entries)
{
ZipEntry newEntry = new ZipEntry(entry.Item1);
newEntry.DateTime = DateTime.Now;
zipStream.PutNextEntry(newEntry);
StreamUtils.Copy(entry.Item2, zipStream, new byte[4096]);
zipStream.CloseEntry();
}
zipStream.IsStreamOwner = false; // False stops the Close also Closing the underlying stream.
zipStream.Close(); // Must finish the ZipOutputStream before using outputMemStream.
outputMemStream.Position = 0;
File.WriteAllBytes(zipName, outputMemStream.ToArray());
//// Alternative outputs:
//// ToArray is the cleaner and easiest to use correctly with the penalty of duplicating allocated memory.
//byte[] byteArrayOut = outputMemStream.ToArray();
//// GetBuffer returns a raw buffer raw and so you need to account for the true length yourself.
//byte[] byteArrayOut = outputMemStream.GetBuffer();
//long len = outputMemStream.Length;
}
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();
}
/// <summary>
/// Creates a zip file out of specified input files
/// </summary>
/// <param name="files">input files</param>
/// <param name="zipFileName">output zip file</param>
/// <exception cref="System.ArgumentException">No file must exist with specified zip file name.</exception>
public void Zip(FileInfo[] files, string zipFileName)
{
if (File.Exists(zipFileName))
throw new ArgumentException("Es existiert bereits eine Datei unter diesem Namen.", "zipFileName");
using (FileStream fs = new FileStream(zipFileName, FileMode.CreateNew))
{
using (ZipOutputStream stream = new ZipOutputStream(fs))
{
stream.SetLevel(9);
foreach (FileInfo file in files)
{
ZipEntry entry = new ZipEntry(file.Name)
{
DateTime = DateTime.Now
};
using (FileStream entryFs = file.OpenRead())
{
byte[] buffer = new byte[entryFs.Length];
entryFs.Read(buffer, 0, buffer.Length);
entry.Size = entryFs.Length;
stream.PutNextEntry(entry);
stream.Write(buffer, 0, buffer.Length);
}
}
stream.Finish();
}
}
}
// See this link for details on zipping using SharpZipLib: https://github.com/icsharpcode/SharpZipLib/wiki/Zip-Samples#wiki-anchorCreate
public void Write(Cookbookology.Domain.Cookbook cookbook, Stream outputStream)
{
if (cookbook == null) throw new ArgumentNullException("cookbook");
if (outputStream == null) throw new ArgumentNullException("outputStream");
var converter = new MyCookbookConverter();
var mcb = converter.ConvertFromCommon(cookbook);
var ms = new MemoryStream();
var s = new XmlSerializer(typeof(Cookbook));
s.Serialize(ms, mcb);
ms.Position = 0; // reset to the start so that we can write the stream
// Add the cookbook as a single compressed file in a Zip
using (var zipStream = new ZipOutputStream(outputStream))
{
zipStream.SetLevel(3); // compression
zipStream.UseZip64 = UseZip64.Off; // not compatible with all utilities and OS (WinXp, WinZip8, Java, etc.)
var entry = new ZipEntry(mcbFileName);
entry.DateTime = DateTime.Now;
zipStream.PutNextEntry(entry);
StreamUtils.Copy(ms, zipStream, new byte[4096]);
zipStream.CloseEntry();
zipStream.IsStreamOwner = false; // Don't close the outputStream (parameter)
zipStream.Close();
}
}
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 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>
/// 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);
}
}
}
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 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);
}
}
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 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);
}
}
public static ZipFileSystem CreateZipFile(IFile zipFile, IEnumerable <IFile> files, Func <IFile, string> fileToFullPath, FileSystemOptions options)
{
var compressionLevel = 9;
var zipCompressionLevel = options.Variables["ZipCompressionLevel"];
if (zipCompressionLevel != null)
{
compressionLevel = Convert.ToInt32(zipCompressionLevel);
if (compressionLevel < 0)
{
compressionLevel = 0;
}
else if (compressionLevel > 9)
{
compressionLevel = 9;
}
}
var password = options.Variables["ZipPassword"];
using (var zipOutputStream = new ZLib.ZipOutputStream(zipFile.GetContent().GetOutputStream()))
{
zipOutputStream.SetLevel(compressionLevel);
zipOutputStream.IsStreamOwner = true;
zipOutputStream.UseZip64 = ZLib.UseZip64.Dynamic;
zipOutputStream.Password = password;
if (files != null)
{
foreach (var file in files)
{
var entryName = fileToFullPath(file);
entryName = ZLib.ZipEntry.CleanName(entryName);
var entry = new ZLib.ZipEntry(entryName);
using (var stream = file.GetContent().GetInputStream(FileMode.Open, FileShare.Read))
{
if (stream.Length > 0)
{
entry.Size = stream.Length;
}
zipOutputStream.PutNextEntry(entry);
stream.CopyTo(zipOutputStream);
}
zipOutputStream.CloseEntry();
}
}
}
return(new ZipFileSystem(zipFile, options));
}
/// <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);
}
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;
}
}
public async Task <Stream> CompressFile(Dictionary <string, Stream> fileDic, string password)
{
var result = new MemoryStream();
var zipStream = new ICSharpCode.SharpZipLib.Zip.ZipOutputStream(result);
zipStream.Password = string.Empty;
zipStream.SetLevel(9); //0-9, 9 being the highest level of compression
foreach (var data in fileDic)
{
var newEntry = new ICSharpCode.SharpZipLib.Zip.ZipEntry(data.Key)
{
DateTime = DateTime.Now,
IsUnicodeText = true
};
zipStream.PutNextEntry(newEntry);
var length = data.Value.Length < 1024 ? 1024 : data.Value.Length;
ICSharpCode.SharpZipLib.Core.StreamUtils.Copy(data.Value, zipStream, new byte[length]);
zipStream.CloseEntry();
zipStream.IsStreamOwner = false; // False stops the Close also Closing the underlying stream.
}
zipStream.Close(); // Must finish the ZipOutputStream before using outputMemStream.
result.Position = 0;
return(result);
}
}// 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
