/// <summary>

        /// Word转xps

        /// </summary>

        public string ConvertDocToXps(string filePath)

        {

            var application = new Microsoft.Office.Interop.Word.Application();

            application.Documents.Add(filePath);

            var name = System.IO.Path.GetFileNameWithoutExtension(filePath) + ".xps";

            var path = System.IO.Path.Combine(_path, name);

            try

            {

                application.ActiveDocument.ExportAsFixedFormat(path, WdExportFormat.wdExportFormatXPS);

            }

            catch (Exception)

            {

                return string.Empty;

            }

            finally

            {

                application.Documents.Close();

                application.Quit();

            }

            return filePath;

        }

     /// <summary>

        /// xps 转jpg图片

          /// </summary>

        /// <param name="path"></param>

        /// <param name="dirPath"></param>

        /// <returns></returns>

        public bool XpsToImages(string path, string dirPath)

        {

            if (string.IsNullOrEmpty(dirPath)) return false;

            if (dirPath[dirPath.Length - 1] != '\\')

                dirPath += "\\";

            if (!Directory.Exists(dirPath))

                Directory.CreateDirectory(dirPath);

            var xpsDocument = new XpsDocument(path, FileAccess.Read);

            FixedDocumentSequence document = xpsDocument.GetFixedDocumentSequence();

            MemoryStream[] streams = null;

            try

            {

                int pageCount = document.DocumentPaginator.PageCount;

                DocumentPage[] pages = new DocumentPage[pageCount];

                for (int i = 0; i < pageCount; i++)

                    pages[i] = document.DocumentPaginator.GetPage(i);

                streams = new MemoryStream[pages.Count()];

                for (int i = 0; i < pages.Count(); i++)

                {

                    DocumentPage source = pages[i];

                    streams[i] = new MemoryStream();

                    RenderTargetBitmap renderTarget =

                       new RenderTargetBitmap((int)source.Size.Width,

                                               (int)source.Size.Height,

                                               96d,

                                               96d,

                                               PixelFormats.Default);

                    renderTarget.Render(source.Visual);

                    JpegBitmapEncoder encoder = new JpegBitmapEncoder();

                    encoder.QualityLevel = 100;

                    encoder.Frames.Add(BitmapFrame.Create(renderTarget));

                    encoder.Save(streams[i]);

                    FileStream file = new FileStream(dirPath + "Page_" + (i + 1) + ".jpg", FileMode.Create);

                    file.Write(streams[i].GetBuffer(), 0, (int)streams[i].Length);

                    file.Close();

                    streams[i].Position = 0;

                }

            }

            catch (Exception e1)

            {

                return false;

            }

            finally

            {

                if (streams != null)

                {

                    foreach (MemoryStream stream in streams)

                    {

                        stream.Close();

                        stream.Dispose();

                    }

                }

            }

            return true;

        }