/// <summary>

    /// 压缩文件夹到制定的路径

    /// </summary>

    /// <param name="folderName">要压缩的文件物理路径</param>

    /// <param name="compressedFileName">目标文件物理路径和文件名</param>

    /// <param name="overrideExisting">是否覆盖存在的文件</param>

    /// <returns></returns>

    static bool PackageFolder(string folderName, string compressedFileName, bool overrideExisting)

    {

        if (folderName.EndsWith(@"\"))

            folderName = folderName.Remove(folderName.Length - );

        bool result = false;

        if (!Directory.Exists(folderName))

        {

            return result;

        }

        if (!overrideExisting && File.Exists(compressedFileName))

        {

            return result;

        }

        try

        {

            using (Package package = Package.Open(compressedFileName, FileMode.Create))

            {

                var fileList = Directory.EnumerateFiles(folderName, "*", SearchOption.AllDirectories);

                foreach (string fileName in fileList)

                {

                    //The path in the package is all of the subfolders after folderName

                    string pathInPackage;

                    pathInPackage = Path.GetDirectoryName(fileName).Replace(folderName, string.Empty) + "/"

                        + Path.GetFileName(fileName);

                    Uri partUriDocument = PackUriHelper.CreatePartUri(new Uri(pathInPackage, UriKind.Relative));

                    PackagePart packagePartDocument = package.CreatePart(partUriDocument, "", CompressionOption.Maximum);

                    using (FileStream fileStream = new FileStream(fileName, FileMode.Open, FileAccess.Read))

                    {

                        fileStream.CopyTo(packagePartDocument.GetStream());

                    }

                }

            }

            result = true;

        }

        catch (Exception e)

        {

            throw new Exception("Error zipping folder " + folderName, e);

        }

        return result;

    }