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C#实现Office文档转Pdf的办法

编程语言 liwb1987 10℃ 0评论

需要安装office 2007 还有一个office2007的插件OfficeSaveAsPDFandXPS

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
 
——————————————————
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;
    }





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