/// <summary>
/// 功能：压缩文件（暂时只压缩文件夹下一级目录中的文件，文件夹及其子级被忽略）
/// </summary>
/// <param name="dirPath">被压缩的文件夹夹路径</param>
/// <param name="zipFilePath">生成压缩文件的路径，为空则默认与被压缩文件夹同一级目录，名称为：文件夹名+.zip</param>
/// <param name="err">出错信息</param>
/// <returns>是否压缩成功</returns>
public static bool ZipFile(MemoryStream stream, string strName)
{
HttpResponse contextResponse = null;
ZipOutputStream s = null;
try
{
FileStream streamOUT = new FileStream(strName, FileMode.OpenOrCreate);
using (s = new ZipOutputStream(streamOUT))
{
s.SetLevel(9);
byte[] buffer = new byte[4096];
ZipEntry entry = new ZipEntry(strName);
entry.DateTime = DateTime.Now;
s.PutNextEntry(entry);
int sourceBytes;
do
{
sourceBytes = stream.Read(buffer, 0, buffer.Length);
s.Write(buffer, 0, sourceBytes);
} while (sourceBytes > 0);
}
contextResponse = HttpContext.Current.Response;
contextResponse.Clear();
contextResponse.Buffer = true;
contextResponse.Charset = "GB2312"; //设置了类型为中文防止乱码的出现
contextResponse.AppendHeader("Content-Disposition", String.Format("attachment;filename={0}", strName)); //定义输出文件和文件名
contextResponse.AppendHeader("Content-Length", streamOUT.Length.ToString());
contextResponse.ContentEncoding = Encoding.Default;
contextResponse.ContentType = "application/x-zip-compressed"; //设置输出文件类型为excel文件。
byte[] buffer2 = new byte[(int)s.Length];
s.Read(buffer2, 0, buffer2.Length);
contextResponse.BinaryWrite(buffer2);
}
// contextResponse.OutputStream.Write(buffer1, 0, sourceBytes1);
catch (Exception ex)
{
throw ex;
}
finally
{
contextResponse.Flush();
contextResponse.End();
s.Finish();
s.Close();
}
return(true);
}
// These two data types are supported in DotNetZip, but only if .NET Framework is targeted.
//private SelfExtractorFlavor _selfExtractorFlavor;
//private SelfExtractorSaveOptions _selfExtractorSaveOptions;
public void CallAll()
{
// These two apis are supported in DotNetZip, but only if .NET Framework is targeted.
//_zipFile.SaveSelfExtractor(_string, _selfExtractorFlavor);
//_zipFile.SaveSelfExtractor(_string, _selfExtractorSaveOptions);
//Project: Ionic.Zip
_bZip2InputStream.Close();
_bZip2InputStream.Flush();
_int = _bZip2InputStream.Read(_bytes, _int, _int);
_int = _bZip2InputStream.ReadByte();
_long = _bZip2InputStream.Seek(_long, _seekOrigin);
_bZip2InputStream.SetLength(_long);
_bZip2InputStream.Write(_bytes, _int, _int);
_bZip2OutputStream.Close();
_bZip2OutputStream.Flush();
_int = _bZip2OutputStream.Read(_bytes, _int, _int);
_long = _bZip2OutputStream.Seek(_long, _seekOrigin);
_bZip2OutputStream.SetLength(_long);
_bZip2OutputStream.Write(_bytes, _int, _int);
_parallelBZip2OutputStream.Close();
_parallelBZip2OutputStream.Flush();
_int = _parallelBZip2OutputStream.Read(_bytes, _int, _int);
_long = _parallelBZip2OutputStream.Seek(_long, _seekOrigin);
_parallelBZip2OutputStream.SetLength(_long);
_parallelBZip2OutputStream.Write(_bytes, _int, _int);
_crc32.Combine(_int, _int);
_int = _crc32.ComputeCrc32(_int, _byte);
_int = _crc32.GetCrc32(_stream);
_int = _crc32.GetCrc32AndCopy(_stream, _stream);
_crc32.Reset();
_crc32.SlurpBlock(_bytes, _int, _int);
_crc32.UpdateCRC(_byte);
_crc32.UpdateCRC(_byte, _int);
_crcCalculatorStream.Close();
_crcCalculatorStream.Flush();
_int = _crcCalculatorStream.Read(_bytes, _int, _int);
_long = _crcCalculatorStream.Seek(_long, _seekOrigin);
_crcCalculatorStream.SetLength(_long);
_crcCalculatorStream.Write(_bytes, _int, _int);
_zipEntriesCollection = _fileSelector.SelectEntries(_zipFile);
_zipEntriesCollection = _fileSelector.SelectEntries(_zipFile, _string);
_stringsCollection = _fileSelector.SelectFiles(_string);
_stringsReadOnly = _fileSelector.SelectFiles(_string, _bool);
_string = _fileSelector.ToString();
_bool = _comHelper.CheckZip(_string);
_bool = _comHelper.CheckZipPassword(_string, _string);
_comHelper.FixZipDirectory(_string);
_string = _comHelper.GetZipLibraryVersion();
_bool = _comHelper.IsZipFile(_string);
_bool = _comHelper.IsZipFileWithExtract(_string);
_countingStream.Adjust(_long);
_countingStream.Flush();
_int = _countingStream.Read(_bytes, _int, _int);
_long = _countingStream.Seek(_long, _seekOrigin);
_countingStream.SetLength(_long);
_countingStream.Write(_bytes, _int, _int);
_zipEntry.Extract();
_zipEntry.Extract(_extractExistingFileAction);
_zipEntry.Extract(_string);
_zipEntry.Extract(_string, _extractExistingFileAction);
_zipEntry.Extract(_stream);
_zipEntry.ExtractWithPassword(_extractExistingFileAction, _string);
_zipEntry.ExtractWithPassword(_string);
_zipEntry.ExtractWithPassword(_string, _extractExistingFileAction, _string);
_zipEntry.ExtractWithPassword(_string, _string);
_zipEntry.ExtractWithPassword(_stream, _string);
_crcCalculatorStream = _zipEntry.OpenReader();
_crcCalculatorStream = _zipEntry.OpenReader(_string);
_zipEntry.SetEntryTimes(_datetime, _datetime, _datetime);
_string = _zipEntry.ToString();
_zipEntry = _zipFile.AddDirectory(_string);
_zipEntry = _zipFile.AddDirectory(_string, _string);
_zipEntry = _zipFile.AddDirectoryByName(_string);
_zipEntry = _zipFile.AddEntry(_string, _bytes);
_zipEntry = _zipFile.AddEntry(_string, _openDelegate, _closeDelegate);
_zipEntry = _zipFile.AddEntry(_string, _writeDelegate);
_zipEntry = _zipFile.AddEntry(_string, _string);
_zipEntry = _zipFile.AddEntry(_string, _string, _encoding);
_zipEntry = _zipFile.AddEntry(_string, _stream);
_zipEntry = _zipFile.AddFile(_string);
_zipEntry = _zipFile.AddFile(_string, _string);
_zipFile.AddFiles(_strings);
_zipFile.AddFiles(_strings, _bool, _string);
_zipFile.AddFiles(_strings, _string);
_zipEntry = _zipFile.AddItem(_string);
_zipEntry = _zipFile.AddItem(_string, _string);
_zipFile.AddSelectedFiles(_string);
_zipFile.AddSelectedFiles(_string, _bool);
_zipFile.AddSelectedFiles(_string, _string);
_zipFile.AddSelectedFiles(_string, _string, _bool);
_zipFile.AddSelectedFiles(_string, _string, _string);
_zipFile.AddSelectedFiles(_string, _string, _string, _bool);
_bool = _zipFile.ContainsEntry(_string);
_zipFile.Dispose();
_zipFile.ExtractAll(_string);
_zipFile.ExtractAll(_string, _extractExistingFileAction);
_zipFile.ExtractSelectedEntries(_string);
_zipFile.ExtractSelectedEntries(_string, _extractExistingFileAction);
_zipFile.ExtractSelectedEntries(_string, _string);
_zipFile.ExtractSelectedEntries(_string, _string, _string);
_zipFile.ExtractSelectedEntries(_string, _string, _string, _extractExistingFileAction);
_enumerator = _zipFile.GetNewEnum();
_zipFile.Initialize(_string);
_zipFile.RemoveEntries(_zipEntriesCollection);
_zipFile.RemoveEntries(_stringsCollection);
_zipFile.RemoveEntry(_zipEntry);
_zipFile.RemoveEntry(_string);
_int = _zipFile.RemoveSelectedEntries(_string);
_int = _zipFile.RemoveSelectedEntries(_string, _string);
_zipFile.Save();
_zipFile.Save(_string);
_zipFile.Save(_stream);
_zipEntriesCollection = _zipFile.SelectEntries(_string);
_zipEntriesCollection = _zipFile.SelectEntries(_string, _string);
_string = _zipFile.ToString();
_zipEntry = _zipFile.UpdateDirectory(_string);
_zipEntry = _zipFile.UpdateDirectory(_string, _string);
_zipEntry = _zipFile.UpdateEntry(_string, _bytes);
_zipEntry = _zipFile.UpdateEntry(_string, _openDelegate, _closeDelegate);
_zipEntry = _zipFile.UpdateEntry(_string, _writeDelegate);
_zipEntry = _zipFile.UpdateEntry(_string, _string);
_zipEntry = _zipFile.UpdateEntry(_string, _string, _encoding);
_zipEntry = _zipFile.UpdateEntry(_string, _stream);
_zipEntry = _zipFile.UpdateFile(_string);
_zipFile.UpdateFile(_string, _string);
_zipFile.UpdateFiles(_strings);
_zipFile.UpdateFiles(_strings, _string);
_zipFile.UpdateItem(_string);
_zipFile.UpdateItem(_string, _string);
_zipFile.UpdateSelectedFiles(_string, _string, _string, _bool);
_zipInputStream.Flush();
_zipEntry = _zipInputStream.GetNextEntry();
_int = _zipInputStream.Read(_bytes, _int, _int);
_long = _zipInputStream.Seek(_long, _seekOrigin);
_zipInputStream.SetLength(_long);
_string = _zipInputStream.ToString();
_zipInputStream.Write(_bytes, _int, _int);
_bool = _zipOutputStream.ContainsEntry(_string);
_zipOutputStream.Flush();
_zipEntry = _zipOutputStream.PutNextEntry(_string);
_int = _zipOutputStream.Read(_bytes, _int, _int);
_long = _zipOutputStream.Seek(_long, _seekOrigin);
_zipOutputStream.SetLength(_long);
_string = _zipOutputStream.ToString();
_zipOutputStream.Write(_bytes, _int, _int);
_deflateStream.Flush();
_int = _deflateStream.Read(_bytes, _int, _int);
_long = _deflateStream.Seek(_long, _seekOrigin);
_deflateStream.SetLength(_long);
_deflateStream.Write(_bytes, _int, _int);
_gZipStream.Flush();
_int = _gZipStream.Read(_bytes, _int, _int);
_long = _gZipStream.Seek(_long, _seekOrigin);
_gZipStream.SetLength(_long);
_gZipStream.Write(_bytes, _int, _int);
_parallelDeflateOutputStream.Close();
_parallelDeflateOutputStream.Flush();
_int = _parallelDeflateOutputStream.Read(_bytes, _int, _int);
_parallelDeflateOutputStream.Reset(_stream);
_long = _parallelDeflateOutputStream.Seek(_long, _seekOrigin);
_parallelDeflateOutputStream.SetLength(_long);
_parallelDeflateOutputStream.Write(_bytes, _int, _int);
// Static
_bool = ZipFile.CheckZip(_string);
_bool = ZipFile.CheckZip(_string, _bool, _textWriter);
_bool = ZipFile.CheckZipPassword(_string, _string);
ZipFile.FixZipDirectory(_string);
_bool = ZipFile.IsZipFile(_string);
_bool = ZipFile.IsZipFile(_string, _bool);
_bool = ZipFile.IsZipFile(_stream, _bool);
_zipFile = ZipFile.Read(_string);
_zipFile = ZipFile.Read(_string, _readOptions);
_zipFile = ZipFile.Read(_stream);
_zipFile = ZipFile.Read(_stream, _readOptions);
_uint = Adler.Adler32(_uint, _bytes, _int, _int);
_bytes = DeflateStream.CompressBuffer(_bytes);
_bytes = DeflateStream.CompressString(_string);
_bytes = DeflateStream.UncompressBuffer(_bytes);
_string = DeflateStream.UncompressString(_bytes);
_bytes = GZipStream.CompressBuffer(_bytes);
_bytes = GZipStream.CompressString(_string);
_bytes = GZipStream.UncompressBuffer(_bytes);
_string = GZipStream.UncompressString(_bytes);
_bytes = ZlibStream.CompressBuffer(_bytes);
_bytes = ZlibStream.CompressString(_string);
_bytes = ZlibStream.UncompressBuffer(_bytes);
_string = ZlibStream.UncompressString(_bytes);
}