StringBuilder sb = new StringBuilder();

            //读取文档

            XpsDocument xpsDocument = new XpsDocument(xpsPath, FileAccess.Read);

            //

            var reader = xpsDocument.FixedDocumentSequenceReader;

            //循环文档

            foreach (var document in reader.FixedDocuments)

            {

                //循环页

                foreach (var page in document.FixedPages)

                {

                    //读取XML内容

                    XmlReader xrdr = page.XmlReader;

                    while (xrdr.Read())

                    {

                        switch (xrdr.NodeType)

                        {

                            case XmlNodeType.Element:

                                if (xrdr.Name == "Glyphs")

                                    sb.Append(xrdr["UnicodeString"]);

                                break;

                            default:

                                break;

                        }

                    }

                }

            }

            return sb.ToString();