我有一个例子,文件夹中的所有文件都是压缩的,但不是文件夹本身。[此代码来自MSDN]
using System;
using System.IO;
using System.IO.Compression;
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);
}
}
}
}
}
}
答案 0 :(得分:6)
我认为您不能使用System.IO.Compression压缩整个文件夹,只能压缩文件夹中的文件。您可以使用DotNetZip。它是一个100%托管代码库,可以在任何.NET应用程序中使用 - 控制台,Winforms,WPF,ASP.NET,Sharepoint,Web服务应用程序等。
从http://dotnetzip.codeplex.com/Release/ProjectReleases.aspx下载开发人员套件包。
在您的应用程序中引用必需的包括DotNetZip DLL,并执行以下操作:
string[] MainDirs = Directory.GetDirectories(""c:\users\public\reports");
for (int i = 0; i < MainDirs.Length; i++)
{
using (ZipFile zip = new ZipFile())
{
zip.UseUnicodeAsNecessary = true;
zip.AddDirectory(MainDirs[i]);
zip.CompressionLevel = Ionic.Zlib.CompressionLevel.BestCompression;
zip.Comment = "This zip was created at " + System.DateTime.Now.ToString("G");
zip.Save(string.Format("test{0}.zip", i));
}
}
希望这有帮助, 感谢