下载地址

[url]http://www.microsoft.com/downloads/details.aspx?FamilyId=4D951911-3E7E-4AE6-B059-A2E79ED87041&displaylang=en[/url]

这是一个微软官方出的office插件。

office2010里好像能直接将文件另存为.PDF格式的

安装好之后，打开VS,以VS2005为例

新建windows应用程序项目

添加以下com组件的引用

Microsoft Word 12.0 Object Library

Microsoft PowerPoint 12.0 Object Library

Microsoft Excel 12.0 Object Library

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using Word = Microsoft.Office.Interop.Word;
using Excel = Microsoft.Office.Interop.Excel;
using PowerPoint = Microsoft.Office.Interop.PowerPoint;

using Microsoft.Office.Core;

我们可以使用一个枚举类型来决定生成文件的类型

Word.WdExportFormat wd = Microsoft.Office.Interop.Word.WdExportFormat.wdExportFormatPDF;

Excel.XlFixedFormatType excelType = Microsoft.Office.Interop.Excel.XlFixedFormatType.xlTypePDF; PowerPoint.PpSaveAsFileType ppType = Microsoft.Office.Interop.PowerPoint.PpSaveAsFileType.ppSaveAsPDF;

//将word文档转换成PDF格式private bool Convert(string sourcePath, string targetPath, Word.WdExportFormat exportFormat){bool result;object paramMissing = Type.Missing;Word.ApplicationClass wordApplication = new Word.ApplicationClass();Word.Document wordDocument = null;try{object paramSourceDocPath = sourcePath;string paramExportFilePath = targetPath;Word.WdExportFormat paramExportFormat = exportFormat;bool paramOpenAfterExport = false;Word.WdExportOptimizeFor paramExportOptimizeFor =Word.WdExportOptimizeFor.wdExportOptimizeForPrint;Word.WdExportRange paramExportRange = Word.WdExportRange.wdExportAllDocument;int paramStartPage = 0;int paramEndPage = 0;Word.WdExportItem paramExportItem = Word.WdExportItem.wdExportDocumentContent;bool paramIncludeDocProps = true;bool paramKeepIRM = true;Word.WdExportCreateBookmarks paramCreateBookmarks =Word.WdExportCreateBookmarks.wdExportCreateWordBookmarks;bool paramDocStructureTags = true;bool paramBitmapMissingFonts = true;bool paramUseISO19005_1 = false;wordDocument = wordApplication.Documents.Open(ref paramSourceDocPath, ref paramMissing, ref paramMissing,ref paramMissing, ref paramMissing, ref paramMissing,ref paramMissing, ref paramMissing, ref paramMissing,ref paramMissing, ref paramMissing, ref paramMissing,ref paramMissing, ref paramMissing, ref paramMissing,ref paramMissing);if (wordDocument != null)wordDocument.ExportAsFixedFormat(paramExportFilePath,paramExportFormat, paramOpenAfterExport,paramExportOptimizeFor, paramExportRange, paramStartPage,paramEndPage, paramExportItem, paramIncludeDocProps,paramKeepIRM, paramCreateBookmarks, paramDocStructureTags,paramBitmapMissingFonts, paramUseISO19005_1,ref paramMissing);result = true;}finally{if (wordDocument != null){wordDocument.Close(ref paramMissing, ref paramMissing, ref paramMissing);wordDocument = null;}if (wordApplication != null){wordApplication.Quit(ref paramMissing, ref paramMissing, ref paramMissing);wordApplication = null;}GC.Collect();GC.WaitForPendingFinalizers();GC.Collect();GC.WaitForPendingFinalizers();}return result;}//将excel文档转换成PDF格式private bool Convert(string sourcePath, string targetPath, XlFixedFormatType targetType){bool result;object missing = Type.Missing;Excel.ApplicationClass application = null;Workbook workBook = null;try{application = new Excel.ApplicationClass();object target = targetPath;object type = targetType;workBook = application.Workbooks.Open(sourcePath, missing, missing, missing, missing, missing,missing, missing, missing, missing, missing, missing, missing, missing, missing);workBook.ExportAsFixedFormat(targetType, target, XlFixedFormatQuality.xlQualityStandard, true, false, missing, missing, missing, missing);result = true;}catch{result = false;}finally{if (workBook != null){workBook.Close(true, missing, missing);workBook = null;}if (application != null){application.Quit();application = null;}GC.Collect();GC.WaitForPendingFinalizers();GC.Collect();GC.WaitForPendingFinalizers();}return result;}//将ppt文档转换成PDF格式private bool Convert(string sourcePath, string targetPath, PpSaveAsFileType targetFileType){bool result;object missing = Type.Missing;PowerPoint.ApplicationClass application = null;Presentation persentation = null;try{application = new PowerPoint.ApplicationClass();persentation = application.Presentations.Open(sourcePath, MsoTriState.msoTrue, MsoTriState.msoFalse, MsoTriState.msoFalse);persentation.SaveAs(targetPath, targetFileType, Microsoft.Office.Core.MsoTriState.msoTrue);result = true;}catch{result = false;}finally{if (persentation != null){persentation.Close();persentation = null;}if (application != null){application.Quit();application = null;}GC.Collect();GC.WaitForPendingFinalizers();GC.Collect();GC.WaitForPendingFinalizers();}return result;}