C#将文档(Word\Excel\PowerPoint\Visio\text\XML\RTF\CSV)转成Pdf

using System;
using System.Diagnostics;
using Microsoft.Office.Core;
using Microsoft.Office.Interop.Word;
using PowerPoint &＃61; Microsoft.Office.Interop.PowerPoint;
using Visio &＃61; Microsoft.Office.Interop.Visio;
using System.Reflection;
using System.Runtime.InteropServices;
using System.IO;namespace DocumentConverter
{public class ConvDoc2PdfWithMsOffice{///

/// Convert MSOffice file to PDF by calling required method///

/// MSOffice file path/// Target PDF path/// MSOffice file type/// error code : 0(sucess)/ -1 or errorcode (unknown error or failure)public short convert(String sourcePath, String targetPath, ContentType sourceType){Console.WriteLine("Class: " &＃43; GetType() &＃43; " Method: " &＃43; MethodBase.GetCurrentMethod().Name &＃43; " Started ");short convDoc2PdfWithMsOfficeResult &＃61; 0;if (sourceType &＃61;&＃61; ContentType.DOC || sourceType &＃61;&＃61; ContentType.DOCX || sourceType &＃61;&＃61; ContentType.TXT || sourceType &＃61;&＃61; ContentType.RTF || sourceType &＃61;&＃61; ContentType.XML){convDoc2PdfWithMsOfficeResult &＃61; word2Pdf((Object)sourcePath, (Object)targetPath);}else if (sourceType &＃61;&＃61; ContentType.XLS || sourceType &＃61;&＃61; ContentType.XLSX || sourceType &＃61;&＃61; ContentType.CSV){convDoc2PdfWithMsOfficeResult &＃61; excel2Pdf(sourcePath, targetPath);}else if (sourceType &＃61;&＃61; ContentType.PPT || sourceType &＃61;&＃61; ContentType.PPTX){convDoc2PdfWithMsOfficeResult &＃61; powerPoint2Pdf((Object)sourcePath, (Object)targetPath);}else if (sourceType &＃61;&＃61; ContentType.VSD || sourceType &＃61;&＃61; ContentType.VDX){convDoc2PdfWithMsOfficeResult &＃61; visio2Pdf(sourcePath, targetPath);}else convDoc2PdfWithMsOfficeResult &＃61; -1;Console.WriteLine("Class: " &＃43; GetType() &＃43; " Method: " &＃43; MethodBase.GetCurrentMethod().Name &＃43; " Ended ");return convDoc2PdfWithMsOfficeResult;}///

/// Convert Word file to PDF by calling required method///

/// file path/// Target PDF path/// error code : 0(sucess)/ -1 or errorcode (unknown error or failure)public short word2Pdf(object originalDocPath, object pdfPath){Console.WriteLine("Class: " &＃43; GetType() &＃43; " Method: " &＃43; MethodBase.GetCurrentMethod().Name &＃43; " Started ");short convertWord2PdfResult &＃61; -1;Microsoft.Office.Interop.Word.Application msWordDoc &＃61; null;Microsoft.Office.Interop.Word.Document doc &＃61; null;// C# doesn&＃39;t have optional arguments so we&＃39;ll need a dummy value object oMissing &＃61; System.Reflection.Missing.Value;try{//start MS word applicationmsWordDoc &＃61; new Microsoft.Office.Interop.Word.Application{Visible &＃61; false,ScreenUpdating &＃61; false};//Open Documentdoc &＃61; msWordDoc.Documents.Open(ref originalDocPath, ref oMissing,ref oMissing, ref oMissing, ref oMissing, ref oMissing, ref oMissing,ref oMissing, ref oMissing, ref oMissing, ref oMissing, ref oMissing,ref oMissing, ref oMissing, ref oMissing, ref oMissing);if (doc !&＃61; null){doc.Activate();// save Document as PDFobject fileFormat &＃61; WdSaveFormat.wdFormatPDF;doc.SaveAs(ref pdfPath,ref fileFormat, ref oMissing, ref oMissing,ref oMissing, ref oMissing, ref oMissing, ref oMissing,ref oMissing, ref oMissing, ref oMissing, ref oMissing,ref oMissing, ref oMissing, ref oMissing, ref oMissing);convertWord2PdfResult &＃61; 0;}else{Console.WriteLine("Error occured for conversion of office Word to PDF");convertWord2PdfResult &＃61; 504;}}catch (Exception exWord2Pdf){Console.WriteLine("Error occured for conversion of office Word to PDF, Exception: ", exWord2Pdf);convertWord2PdfResult &＃61; 504;}finally{// Close and release the Document object.if (doc !&＃61; null){object saveChanges &＃61; WdSaveOptions.wdDoNotSaveChanges;doc.Close(ref saveChanges, ref oMissing, ref oMissing);Util.releaseObject(doc);}// Quit Word and release the ApplicationClass object.((_Application)msWordDoc).Quit(ref oMissing, ref oMissing, ref oMissing);Util.releaseObject(msWordDoc);msWordDoc &＃61; null;}Console.WriteLine("Class: " &＃43; GetType() &＃43; " Method: " &＃43; MethodBase.GetCurrentMethod().Name &＃43; " Ended ");return convertWord2PdfResult;}///

/// Convert excel file to PDF by calling required method///

/// file path/// Target PDF path/// error code : 0(sucess)/ -1 or errorcode (unknown error or failure)public short excel2Pdf(string originalXlsPath, string pdfPath){Console.WriteLine("Class: " &＃43; GetType() &＃43; " Method: " &＃43; MethodBase.GetCurrentMethod().Name &＃43; " Started ");short convertExcel2PdfResult &＃61; -1;// Create COM ObjectsMicrosoft.Office.Interop.Excel.Application excelApplication &＃61; null;Microsoft.Office.Interop.Excel.Workbook excelWorkbook &＃61; null;object unknownType &＃61; Type.Missing;// Create new instance of Exceltry{//open excel applicationexcelApplication &＃61; new Microsoft.Office.Interop.Excel.Application{ScreenUpdating &＃61; false,DisplayAlerts &＃61; false};//open excel sheetif (excelApplication !&＃61; null)excelWorkbook &＃61; excelApplication.Workbooks.Open(originalXlsPath, unknownType, unknownType,unknownType, unknownType, unknownType,unknownType, unknownType, unknownType,unknownType, unknownType, unknownType,unknownType, unknownType, unknownType);if (excelWorkbook !&＃61; null){// Call Excel&＃39;s native export function (valid in Office 2007 and Office 2010, AFAIK)
excelWorkbook.ExportAsFixedFormat(Microsoft.Office.Interop.Excel.XlFixedFormatType.xlTypePDF,pdfPath,unknownType, unknownType, unknownType, unknownType, unknownType,unknownType, unknownType);convertExcel2PdfResult &＃61; 0;}else{Console.WriteLine("Error occured for conversion of office excel to PDF ");convertExcel2PdfResult &＃61; 504;}}catch (Exception exExcel2Pdf){Console.WriteLine("Error occured for conversion of office excel to PDF, Exception: ", exExcel2Pdf);convertExcel2PdfResult &＃61; 504;}finally{// Close the workbook, quit the Excel, and clean up regardless of the results...if (excelWorkbook !&＃61; null)excelWorkbook.Close(unknownType, unknownType, unknownType);if (excelApplication !&＃61; null) excelApplication.Quit();Util.releaseObject(excelWorkbook);Util.releaseObject(excelApplication);}Console.WriteLine("Class: " &＃43; GetType() &＃43; " Method: " &＃43; MethodBase.GetCurrentMethod().Name &＃43; " Ended ");return convertExcel2PdfResult;}///

/// Convert powerPoint file to PDF by calling required method///

/// file path/// Target PDF path/// error code : 0(sucess)/ -1 or errorcode (unknown error or failure)public short powerPoint2Pdf(object originalPptPath, object pdfPath){Console.WriteLine("Class: " &＃43; GetType() &＃43; " Method: " &＃43; MethodBase.GetCurrentMethod().Name &＃43; " Started ");short convertPowerPoint2PdfResult &＃61; -1;PowerPoint.Application pptApplication &＃61; null;PowerPoint.Presentation pptPresentation &＃61; null;object unknownType &＃61; Type.Missing;try{//start power point pptApplication &＃61; new PowerPoint.Application();//open powerpoint documentpptPresentation &＃61; pptApplication.Presentations.Open((string)originalPptPath,Microsoft.Office.Core.MsoTriState.msoTrue,Microsoft.Office.Core.MsoTriState.msoTrue,Microsoft.Office.Core.MsoTriState.msoFalse);//export PDF from PPTif (pptPresentation !&＃61; null){pptPresentation.ExportAsFixedFormat((string)pdfPath,PowerPoint.PpFixedFormatType.ppFixedFormatTypePDF,PowerPoint.PpFixedFormatIntent.ppFixedFormatIntentPrint,MsoTriState.msoFalse,PowerPoint.PpPrintHandoutOrder.ppPrintHandoutVerticalFirst,PowerPoint.PpPrintOutputType.ppPrintOutputSlides,MsoTriState.msoFalse, null,PowerPoint.PpPrintRangeType.ppPrintAll, string.Empty,true, true, true, true, false, unknownType);convertPowerPoint2PdfResult &＃61; 0;}else{Console.WriteLine("Error occured for conversion of office PowerPoint to PDF");convertPowerPoint2PdfResult &＃61; 504;}}catch (Exception exPowerPoint2Pdf){Console.WriteLine("Error occured for conversion of office PowerPoint to PDF, Exception: ", exPowerPoint2Pdf);convertPowerPoint2PdfResult &＃61; 504;}finally{// Close and release the Document object.if (pptPresentation !&＃61; null){pptPresentation.Close();Util.releaseObject(pptPresentation);pptPresentation &＃61; null;}// Quit Word and release the ApplicationClass object.
pptApplication.Quit();Util.releaseObject(pptApplication);pptApplication &＃61; null;}Console.WriteLine("Class: " &＃43; GetType() &＃43; " Method: " &＃43; MethodBase.GetCurrentMethod().Name &＃43; " Ended ");return convertPowerPoint2PdfResult;}///

/// Convert visio file to PDF by calling required method///

/// file path/// Target PDF path/// error code : 0(sucess)/ -1 or errorcode (unknown error or failure)public short visio2Pdf(string originalVsdPath, string pdfPath){Console.WriteLine("Class: " &＃43; GetType() &＃43; " Method: " &＃43; MethodBase.GetCurrentMethod().Name &＃43; " Started ");short convertVisio2PdfResult &＃61; -1;Microsoft.Office.Interop.Visio.ApplicationClass msVisioDoc &＃61; null;Visio.Document vsdDoc &＃61; null;try{//start applicationmsVisioDoc &＃61; new Visio.ApplicationClass { Visible &＃61; false };//open visio documentvsdDoc &＃61; msVisioDoc.Documents.Open(originalVsdPath);if (vsdDoc !&＃61; null){//convert visio to PDF
vsdDoc.ExportAsFixedFormat(Visio.VisFixedFormatTypes.visFixedFormatPDF, pdfPath,Visio.VisDocExIntent.visDocExIntentScreen,Visio.VisPrintOutRange.visPrintAll,1, vsdDoc.Pages.Count, false, true, true, true, true,System.Reflection.Missing.Value);convertVisio2PdfResult &＃61; 0;}}catch (Exception exVisio2Pdf){Console.WriteLine("Error occured for conversion of office Visio to PDF, Exception: ", exVisio2Pdf);convertVisio2PdfResult &＃61; 504;}finally{// Close and release the Document object.if (vsdDoc !&＃61; null){vsdDoc.Close();Util.releaseObject(vsdDoc);}// Quit Word and release the ApplicationClass object.
msVisioDoc.Quit();Util.releaseObject(msVisioDoc);}Console.WriteLine("Class: " &＃43; GetType() &＃43; " Method: " &＃43; MethodBase.GetCurrentMethod().Name &＃43; " Ended ");return convertVisio2PdfResult;}}
}