文件转换 （word-pdf）

  必须保证你的office版本在2007之上。我第一次使用office2003，不报错，但是也没用生成相关的pdf文件。果断使用了最新的office2013即可完美运行。

 

        /// <summary>  
        /// 把Word文件转换成为PDF格式文件  
        /// </summary>  
        /// <param name="sourcePath">源文件路径</param>  
        /// <param name="targetPath">目标文件路径</param>   
        /// <returns>true=转换成功</returns>  
        public static bool WordToPDF(string sourcePath, string targetPath)
        {
            bool result = false;
            Microsoft.Office.Interop.Word.WdExportFormat exportFormat = Microsoft.Office.Interop.Word.WdExportFormat.wdExportFormatPDF;
            Microsoft.Office.Interop.Word.ApplicationClass application = null;

            Microsoft.Office.Interop.Word.Document document = null;
            try
            {
                application = new Microsoft.Office.Interop.Word.ApplicationClass();
                application.Visible = false;
                document = application.Documents.Open(sourcePath);
                document.SaveAs();
                document.ExportAsFixedFormat(targetPath, exportFormat);
                result = true;
            }
            catch (Exception e)
            {
                Console.WriteLine(e.Message);
                result = false;
            }
            finally
            {
                if (document != null)
                {
                    document.Close();
                    document = null;
                }
                if (application != null)
                {
                    application.Quit();
                    application = null;
                }
                GC.Collect();
                GC.WaitForPendingFinalizers();
                GC.Collect();
                GC.WaitForPendingFinalizers();
            }
            return result;
        }