PS:公司的业务中有个超级大的作业就是把OFFICE文档转成PDF,我猜之前没程序猿们，公司那些人应该是一个个手动转。强烈为猿们感叹，帮你们做了这么多事，还在那抱怨....无法满足你们的需求啊；

微软net平台提供了对Office文档非常好的支持；其中有com组件直接集成到了VS中。利用这些API可以快速的免去N多繁琐的工作；

以下代码是翻阅了公司的代码，一个个敲出来的；奉上代码：

using System;using System.Collections.Generic;using System.IO;using System.Linq;using System.Text;using System.Runtime.InteropServices;using Microsoft.Office.Interop.Excel;//Office 命名空间namespace OfficeToPdf{ //excel 类 class ExcelConverter { //构造函数 public ExcelConverter() { } /// <summary> /// 转换excel 成PDF文档 /// </summary> /// <param name="_lstrInputFile">原文件路径</param> /// <param name="_lstrOutFile">pdf文件输出路径</param> /// <returns>true 成功</returns> public bool ConverterToPdf(string _lstrInputFile,string _lstrOutFile) { Microsoft.Office.Interop.Excel.Application lobjExcelApp = null; Microsoft.Office.Interop.Excel.Workbooks lobjExcelWorkBooks = null; Microsoft.Office.Interop.Excel.Workbook lobjExcelWorkBook = null; string lstrTemp = string.Empty; object lobjMissing = System.Reflection.Missing.Value; try { lobjExcelApp = new Microsoft.Office.Interop.Excel.Application(); lobjExcelApp.Visible = true; lobjExcelWorkBooks = lobjExcelApp.Workbooks; lobjExcelWorkBook = lobjExcelWorkBooks.Open(_lstrInputFile, true, true, lobjMissing, lobjMissing, lobjMissing, true, lobjMissing, lobjMissing, lobjMissing, lobjMissing, lobjMissing, false, lobjMissing, lobjMissing); //Microsoft.Office.Interop.Excel 12.0.0.0之后才有这函数 lstrTemp = System.IO.Path.GetTempPath() + Guid.NewGuid().ToString() + ".xls" + (lobjExcelWorkBook.HasVBProject ? 'm' : 'x'); //lstrTemp = System.IO.Path.GetTempPath() + Guid.NewGuid().ToString() + ".xls"; lobjExcelWorkBook.SaveAs(lstrTemp, Microsoft.Office.Interop.Excel.XlFileFormat.xlExcel4Workbook, Type.Missing, Type.Missing, Type.Missing, false, Microsoft.Office.Interop.Excel.XlSaveAsAccessMode.xlNoChange, Type.Missing, false, Type.Missing, Type.Missing, Type.Missing); //输出为PDF 第一个选项指定转出为PDF,还可以指定为XPS格式 lobjExcelWorkBook.ExportAsFixedFormat(Microsoft.Office.Interop.Excel.XlFixedFormatType.xlTypePDF, _lstrOutFile, Microsoft.Office.Interop.Excel.XlFixedFormatQuality.xlQualityStandard, Type.Missing, false, Type.Missing, Type.Missing, false, Type.Missing); lobjExcelWorkBooks.Close(); lobjExcelApp.Quit(); } catch (Exception ex) { //其他日志操作； return false; } finally { if (lobjExcelWorkBook != null) { lobjExcelWorkBook.Close(Type.Missing,Type.Missing,Type.Missing); Marshal.ReleaseComObject(lobjExcelWorkBook); lobjExcelWorkBook = null; } if(lobjExcelWorkBooks != null) { lobjExcelWorkBooks.Close(); Marshal.ReleaseComObject(lobjExcelWorkBooks); lobjExcelWorkBooks = null; } if(lobjExcelApp != null) { lobjExcelApp.Quit(); Marshal.ReleaseComObject(lobjExcelApp); lobjExcelApp = null; } //主动激活垃圾回收器，主要是避免超大批量转文档时，内存占用过多，而垃圾回收器并不是时刻都在运行！ GC.Collect(); GC.WaitForPendingFinalizers(); } return true; } }}

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