为了将Office文档转换为PDF文件，在网上找了些工具类，但转换效果不理想，采用office自带的功能能比较好的实现转换。

首先需要安装 SaveAsPDFandXPS.exe 插件

在工程中添加com引用，如下图

 

 

代码如下：

1: using System; 2: using System.Collections.Generic; 3: using System.Text; 4:  5: using Microsoft.Office.Core; 6: using Word = Microsoft.Office.Interop.Word; 7: using Excel = Microsoft.Office.Interop.Excel; 8: using PowerPoint = Microsoft.Office.Interop.PowerPoint; 9:  10: using System.IO; 11: using System.Runtime.InteropServices; 12:  13: namespace OfficeToPdf 14: { 15: [Guid("21010F24-2B12-415F-A349-3467EFF056FA")] 16: public interface IOfficeConvertToPdf 17: { 18: [DispId(1)] 19: bool WordConvertToPDF(string sourcePath, string targetPath); 20:  21: [DispId(2)] 22: bool ExcelConvertToPDF(string sourcePath, string targetPath); 23:  24: [DispId(3)] 25: bool PPTConvertToPDF(string sourcePath, string targetPath); 26: } 27:  28: [Guid("B02BC204-8CC4-4328-8731-6AB9BCC6E925"),ClassInterface(ClassInterfaceType.None)] 29: public class OfficeConvertToPdf:IOfficeConvertToPdf 30: { 31:  32: #region 实际方法 33: /// <summary> 34: /// 将Word转换为pdf 35: /// </summary> 36: /// <param name="sourcePath"></param> 37: /// <param name="targetPath"></param> 38: /// <returns></returns> 39: public bool WordConvertToPDF(string sourcePath, string targetPath) 40: { 41: bool result = false; 42: Word.WdExportFormat exportFormat = Word.WdExportFormat.wdExportFormatPDF; 43: object paramMissing = Type.Missing; 44: Word.ApplicationClass wordApplication = new Word.ApplicationClass(); 45: Word.Document wordDocument = null; 46: try 47: { 48: object paramSourceDocPath = sourcePath; 49: string paramExportFilePath = targetPath; 50:  51: Word.WdExportFormat paramExportFormat = exportFormat; 52: bool paramOpenAfterExport = false; 53: Word.WdExportOptimizeFor paramExportOptimizeFor = Word.WdExportOptimizeFor.wdExportOptimizeForPrint; 54: Word.WdExportRange paramExportRange = Word.WdExportRange.wdExportAllDocument; 55: int paramStartPage = 0; 56: int paramEndPage = 0; 57: Word.WdExportItem paramExportItem = Word.WdExportItem.wdExportDocumentContent; 58: bool paramIncludeDocProps = true; 59: bool paramKeepIRM = true; 60: Word.WdExportCreateBookmarks paramCreateBookmarks = Word.WdExportCreateBookmarks.wdExportCreateWordBookmarks; 61: bool paramDocStructureTags = true; 62: bool paramBitmapMissingFonts = true; 63: bool paramUseISO19005_1 = false; 64:  65: wordDocument = wordApplication.Documents.Open( 66: ref paramSourceDocPath, ref paramMissing, ref paramMissing, 67: ref paramMissing, ref paramMissing, ref paramMissing, 68: ref paramMissing, ref paramMissing, ref paramMissing, 69: ref paramMissing, ref paramMissing, ref paramMissing, 70: ref paramMissing, ref paramMissing, ref paramMissing, 71: ref paramMissing); 72:  73: if (wordDocument != null) 74: wordDocument.ExportAsFixedFormat(paramExportFilePath, 75: paramExportFormat, paramOpenAfterExport, 76: paramExportOptimizeFor, paramExportRange, paramStartPage, 77: paramEndPage, paramExportItem, paramIncludeDocProps, 78: paramKeepIRM, paramCreateBookmarks, paramDocStructureTags, 79: paramBitmapMissingFonts, paramUseISO19005_1, 80: ref paramMissing); 81: result = true; 82: } 83: catch 84: { 85: result = false; 86: } 87: finally 88: { 89: if (wordDocument != null) 90: { 91: wordDocument.Close(ref paramMissing, ref paramMissing, ref paramMissing); 92: wordDocument = null; 93: } 94: if (wordApplication != null) 95: { 96: wordApplication.Quit(ref paramMissing, ref paramMissing, ref paramMissing); 97: wordApplication = null; 98: } 99: GC.Collect(); 100: GC.WaitForPendingFinalizers(); 101: GC.Collect(); 102: GC.WaitForPendingFinalizers(); 103: } 104: return result; 105: } 106:  107: /// <summary> 108: /// 将Excel 转换为pdf 109: /// </summary> 110: /// <param name="sourcePath"></param> 111: /// <param name="targetPath"></param> 112: /// <returns></returns> 113: public bool ExcelConvertToPDF(string sourcePath, string targetPath) 114: { 115: bool result = false; 116: Excel.XlFixedFormatType targetType = Excel.XlFixedFormatType.xlTypePDF; 117: object missing = Type.Missing; 118: Excel.ApplicationClass application = null; 119: Excel.Workbook workBook = null; 120: try 121: { 122: application = new Excel.ApplicationClass(); 123: object target = targetPath; 124: object type = targetType; 125: workBook = application.Workbooks.Open(sourcePath, missing, missing, missing, missing, missing, missing, missing, missing, missing, missing, missing, missing, missing, missing); 126:  127: workBook.ExportAsFixedFormat(targetType, target, Excel.XlFixedFormatQuality.xlQualityStandard, true, false, missing, missing, missing, missing); 128: result = true; 129: } 130: catch 131: { 132: result = false; 133: } 134: finally 135: { 136: if (workBook != null) 137: { 138: workBook.Close(true, missing, missing); 139: workBook = null; 140: } 141: if (application != null) 142: { 143: application.Quit(); 144: application = null; 145: } 146: GC.Collect(); 147: GC.WaitForPendingFinalizers(); 148: GC.Collect(); 149: GC.WaitForPendingFinalizers(); 150: } 151: return result; 152: } 153:  154: /// <summary> 155: /// 将ppt转换为pdf 156: /// </summary> 157: /// <param name="sourcePath"></param> 158: /// <param name="targetPath"></param> 159: /// <returns></returns> 160: public bool PPTConvertToPDF(string sourcePath, string targetPath) 161: { 162: bool result; 163: PowerPoint.PpSaveAsFileType targetFileType = PowerPoint.PpSaveAsFileType.ppSaveAsPDF; 164: object missing = Type.Missing; 165: PowerPoint.ApplicationClass application = null; 166: PowerPoint.Presentation persentation = null; 167: try 168: { 169: application = new PowerPoint.ApplicationClass(); 170: persentation = application.Presentations.Open(sourcePath, MsoTriState.msoTrue, MsoTriState.msoFalse, MsoTriState.msoFalse); 171: persentation.SaveAs(targetPath, targetFileType, Microsoft.Office.Core.MsoTriState.msoTrue); 172:  173: result = true; 174: } 175: catch 176: { 177: result = false; 178: } 179: finally 180: { 181: if (persentation != null) 182: { 183: persentation.Close(); 184: persentation = null; 185: } 186: if (application != null) 187: { 188: application.Quit(); 189: application = null; 190: } 191: GC.Collect(); 192: GC.WaitForPendingFinalizers(); 193: GC.Collect(); 194: GC.WaitForPendingFinalizers(); 195: } 196: return result; 197: } 198:  199: #endregion 200: } 201:  202:  203: }

转载于:https://www.cnblogs.com/ppinfo/archive/2013/02/21/2920472.html