问DotNetZip:在web应用程序中添加文件以更快地存档

EN

private readonly IDictionary<string, Stream> _files = new Dictionary<string, Stream>();

public bool CreateZip(ref MemoryStream result, bool compress = true)
{
    using (ZipFile zip = new ZipFile())
    {
        zip.UseZip64WhenSaving = Zip64Option.AsNecessary;

        if (!compress)
            zip.CompressionLevel = CompressionLevel.None;

        if (_files.Any())
        {
            foreach (var file in _files)
            {
                ZipEntry entry = zip.AddEntry(file.Key, file.Value);
                entry.Comment = file.Key;
            }
        }

        zip.Save(result);
        result.Seek(0, SeekOrigin.Begin);
        result.Flush();
    }
    return true;
}