word、ppt转换为pdf

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Microsoft.Office.Core;
using Word = Microsoft.Office.Interop.Word;
using Microsoft.Office.Interop.Word;
using PowerPoint = Microsoft.Office.Interop.PowerPoint;

namespace Jxd.Mvc.Common.DataBase
{
    public class Office2PdfHelper
    {
        //// <summary>
        /// 把Word文件转换成pdf文件2
        /// </summary>
        /// <param name="sourcePath0">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>sourcePath0和targetPath都是物理路径
        public static bool WordToPdf(string sourcePath0, string targetPath)
        {
            object sourcePath = sourcePath0;
            bool result = false;
            WdExportFormat wdExportFormatPDF = 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, WdExportOptimizeFor.wdExportOptimizeForPrint, WdExportRange.wdExportAllDocument, 0, 0, WdExportItem.wdExportDocumentContent, true, true, 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;
        }

        //// <summary>
        /// 把ppt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 static bool PPTConvertToPDF(string sourcePath, string targetPath)
        {
            bool result;
            PowerPoint.PpSaveAsFileType ppSaveAsFileType = PowerPoint.PpSaveAsFileType.ppSaveAsPDF;//转换成pdf
            object missing = Type.Missing;
            PowerPoint.ApplicationClass application = null;
            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
            {
                result = false;
            }
            finally
            {
                if (persentation != null)
                {
                    persentation.Close();
                    persentation = null;
                }
                if (application != null)
                {
                    application.Quit();
                    application = null;
                }
            }
            return result;
        }

    }
}