public class Office2HtmlHelper

    {

        /// <summary>

        /// Word转成Html

        /// </summary>

        /// <param name="path">要转换的文档的路径</param>

        /// <param name="savePath">转换成html的保存路径</param>

        /// <param name="wordFileName">转换成html的文件名字</param>

        public static void Word2Html(string path, string savePath, string wordFileName)

        {

            Word.ApplicationClass word = new Word.ApplicationClass();

            Type wordType = word.GetType();

            Word.Documents docs = word.Documents;

            Type docsType = docs.GetType();

            Word.Document doc = (Word.Document)docsType.InvokeMember("Open", System.Reflection.BindingFlags.InvokeMethod, null, docs, new Object[] { (object)path, true, true });

            Type docType = doc.GetType();

            string strSaveFileName = savePath + wordFileName + ".html";

            object saveFileName = (object)strSaveFileName;

            docType.InvokeMember("SaveAs", System.Reflection.BindingFlags.InvokeMethod, null, doc, new object[] { saveFileName, Word.WdSaveFormat.wdFormatFilteredHTML });

            docType.InvokeMember("Close", System.Reflection.BindingFlags.InvokeMethod, null, doc, null);

            wordType.InvokeMember("Quit", System.Reflection.BindingFlags.InvokeMethod, null, word, null);

        }

        /// <summary>

        /// Excel转成Html

        /// </summary>

        /// <param name="path">要转换的文档的路径</param>

        /// <param name="savePath">转换成html的保存路径</param>

        /// <param name="wordFileName">转换成html的文件名字</param>

        public static void Excel2Html(string path, string savePath, string wordFileName)

        {

            string str = string.Empty;

            Microsoft.Office.Interop.Excel.Application repExcel = new Microsoft.Office.Interop.Excel.Application();

            Microsoft.Office.Interop.Excel.Workbook workbook = null;

            Microsoft.Office.Interop.Excel.Worksheet worksheet = null;

            workbook = repExcel.Application.Workbooks.Open(path, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing);

            worksheet = (Microsoft.Office.Interop.Excel.Worksheet)workbook.Worksheets[];

            object htmlFile = savePath + wordFileName + ".html";

            object ofmt = Microsoft.Office.Interop.Excel.XlFileFormat.xlHtml;

            workbook.SaveAs(htmlFile, ofmt, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Microsoft.Office.Interop.Excel.XlSaveAsAccessMode.xlNoChange, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing);

            object osave = false;

            workbook.Close(osave, Type.Missing, Type.Missing);

            repExcel.Quit();

        }

        /// <summary>

        /// ppt转成Html

        /// </summary>

        /// <param name="path">要转换的文档的路径</param>

        /// <param name="savePath">转换成html的保存路径</param>

        /// <param name="wordFileName">转换成html的文件名字</param>

        public static void PPT2Html(string path, string savePath, string wordFileName)

        {

            path = @"C:\Users\cnjazhu\Desktop\KLChina Intranet\Training\石油和石油产品.ppt";

            Microsoft.Office.Interop.PowerPoint.Application ppApp = new Microsoft.Office.Interop.PowerPoint.Application();

            string strSourceFile = path;

            string strDestinationFile = savePath + wordFileName + ".html";

            Microsoft.Office.Interop.PowerPoint.Presentation prsPres = ppApp.Presentations.Open(strSourceFile, Microsoft.Office.Core.MsoTriState.msoTrue, Microsoft.Office.Core.MsoTriState.msoFalse, Microsoft.Office.Core.MsoTriState.msoFalse);

            prsPres.SaveAs(strDestinationFile, Microsoft.Office.Interop.PowerPoint.PpSaveAsFileType.ppSaveAsHTML, MsoTriState.msoTrue);

            prsPres.Close();

            ppApp.Quit();

        }

        //// <summary>

        /// 把Word文件转换成pdf文件2

        /// </summary>

        /// <param name="sourcePath">需要转换的文件路径和文件名称</param>

        /// <param name="targetPath">转换完成后的文件的路径和文件名名称</param>

        /// <returns>成功返回true,失败返回false</returns>

        public bool WordToPdf(object sourcePath, string targetPath)

        {

            bool result = false;

            Word.WdExportFormat wdExportFormatPDF = Word.WdExportFormat.wdExportFormatPDF;

            object missing = Type.Missing;

            Microsoft.Office.Interop.Word.ApplicationClass applicationClass = null;

            Microsoft.Office.Interop.Word.Document document = null;

            try

            {

                applicationClass = new Microsoft.Office.Interop.Word.ApplicationClass();

                document = applicationClass.Documents.Open(ref sourcePath, ref missing, ref missing, ref missing, ref missing, ref missing, ref missing, ref missing, ref missing, ref missing, ref missing, ref missing, ref missing, ref missing, ref missing, ref missing);

                if (document != null)

                {

                    document.ExportAsFixedFormat(targetPath, wdExportFormatPDF, false, Word.WdExportOptimizeFor.wdExportOptimizeForPrint, Word.WdExportRange.wdExportAllDocument, , , Word.WdExportItem.wdExportDocumentContent, true, true, Word.WdExportCreateBookmarks.wdExportCreateWordBookmarks, true, true, false, ref missing);

                }

                result = true;

            }

            catch

            {

                result = false;

            }

            finally

            {

                if (document != null)

                {

                    document.Close(ref missing, ref missing, ref missing);

                    document = null;

                }

                if (applicationClass != null)

                {

                    applicationClass.Quit(ref missing, ref missing, ref missing);

                    applicationClass = null;

                }

            }

            return result;

        }

        public static bool PPTConvertToPDF(string sourcePath, string targetPath)

        {

            sourcePath= @"C:\Users\cnjazhu\Desktop\KLChina Intranet\Training\石油和石油产品.ppt";

            bool result;

            Microsoft.Office.Interop.PowerPoint.PpSaveAsFileType ppSaveAsFileType = Microsoft.Office.Interop.PowerPoint.PpSaveAsFileType.ppSaveAsPDF;//转换成pdf

            object missing = Type.Missing;

            Microsoft.Office.Interop.PowerPoint.ApplicationClass application = null;

            Microsoft.Office.Interop.PowerPoint.Presentation persentation = null;

            try

            {

                application = new Microsoft.Office.Interop.PowerPoint.ApplicationClass();

                persentation = application.Presentations.Open(sourcePath, MsoTriState.msoTrue, MsoTriState.msoFalse, MsoTriState.msoFalse);

                if (persentation != null)

                {

                    persentation.SaveAs(targetPath, ppSaveAsFileType, MsoTriState.msoTrue);

                }

                result = true;

            }

            catch(Exception e)

            {

                result = false;

            }

            finally

            {

                if (persentation != null)

                {

                    persentation.Close();

                    persentation = null;

                }

                if (application != null)

                {

                    application.Quit();

                    application = null;

                }

            }

            return result;

        }

    }