解决方法
以下来自
MSDN的示例显示了如何使用GZipStream类压缩和解压缩文件目录.
namespace zip { public class Program { public static void Main() { string directoryPath = @"c:\users\public\reports"; DirectoryInfo directorySelected = new DirectoryInfo(directoryPath); foreach (FileInfo filetoCompress in directorySelected.GetFiles()) { Compress(filetoCompress); } foreach (FileInfo filetoDecompress in directorySelected.GetFiles("*.gz")) { Decompress(filetoDecompress); } } public static void Compress(FileInfo filetoCompress) { using (FileStream originalFileStream = filetoCompress.OpenRead()) { if ((File.GetAttributes(filetoCompress.FullName) & FileAttributes.Hidden) != FileAttributes.Hidden & filetoCompress.Extension != ".gz") { using (FileStream compressedFileStream = File.Create(filetoCompress.FullName + ".gz")) { using (GZipStream compressionStream = new GZipStream(compressedFileStream,CompressionMode.Compress)) { originalFileStream.copyTo(compressionStream); Console.WriteLine("Compressed {0} from {1} to {2} bytes.",filetoCompress.Name,filetoCompress.Length.ToString(),compressedFileStream.Length.ToString()); } } } } } public static void Decompress(FileInfo filetoDecompress) { using (FileStream originalFileStream = filetoDecompress.OpenRead()) { string currentFileName = filetoDecompress.FullName; string newFileName = currentFileName.Remove(currentFileName.Length - filetoDecompress.Extension.Length); using (FileStream decompressedFileStream = File.Create(newFileName)) { using (GZipStream decompressionStream = new GZipStream(originalFileStream,CompressionMode.Decompress)) { decompressionStream.copyTo(decompressedFileStream); Console.WriteLine("Decompressed: {0}",filetoDecompress.Name); } } } } } }