/// <summary>/// WPS文件转Pdf类/// </summary>public class ToPdfHelper : IDisposable{/// <summary>/// 是否杀死全部WPS程序/// </summary>public bool IsKillAllWps = false;//Wps的动态对象dynamic wps;/// <summary>/// 初始化类基础信息/// </summary>/// <param name="FilePath">文件路径</param>/// <param name="IsKillAllWps">转换完成后是否杀死全部WPS应用</param>public ToPdfHelper(string FilePath, bool IsKillAllWps = false){if (File.Exists(FilePath)){this.IsKillAllWps = IsKillAllWps;this.FilePath = FilePath;string Extension = Path.GetExtension(FilePath).ToLower();//扩展名 ".aspx"switch (Extension){case "xls":Extension = "KET.Application";break;case "xlsx":Extension = "KET.Application";break;case "ppt":Extension = "KWPP.Application";break;case "pptx":Extension = "KWPP.Application";break;default:Extension = "KWps.Application";break;}Type type = Type.GetTypeFromProgID(Extension);if (type == null){Extension = "wps.Application";type = Type.GetTypeFromProgID("wps.Application");}wps = Activator.CreateInstance(type);//比较完整的一些//WPS文字           KWPS.Aplication//WPS的Excel        KET.Application//WPS的演示文档     KWPP.Application//Word              Word.Application//Excel             Excel.Application//Powerpoint        Powerpoint.Application
            }else{throw new Exception("找不到原文件，请检查！");}}/// <summary>/// 源文件路径/// </summary>public string FilePath { get; set; }/// <summary>/// 使用wps将Word转PDF/// </summary>/// <param name="TargetPath">目标文件路径，不传默认在源文件的所属目录</param>/// <returns>Pdf文件路径</returns>public string WordWpsToPdf(string TargetPath = ""){if (string.IsNullOrEmpty(FilePath)){throw new Exception("请传入文件路径");}//如果没传入文件路径就默认使用源目录if (string.IsNullOrEmpty(TargetPath)){TargetPath = Path.ChangeExtension(FilePath, "pdf");}try{//忽略警告提示wps.DisplayAlerts = false;//用wps 打开word不显示界面dynamic doc = wps.Documents.Open(FilePath, Visible: false);//保存为Pdf
                doc.ExportAsFixedFormat(TargetPath, Word.WdExportFormat.wdExportFormatPDF);//设置隐藏菜单栏和工具栏//wps.setViewerPreferences(PdfWriter.HideMenubar | PdfWriter.HideToolbar);
                doc.Close();doc = null;}catch (Exception e){throw e;}finally{Dispose();}return TargetPath;}/// <summary>/// 使用wps将xls转PDF/// </summary>/// <param name="TargetPath">目标文件路径，不传默认在源文件的所属目录</param>/// <returns>Pdf文件路径</returns>public string XlsWpsToPdf(string TargetPath = ""){if (string.IsNullOrEmpty(FilePath)){throw new Exception("请传入文件路径");}//如果没传入文件路径就默认使用源目录if (string.IsNullOrEmpty(TargetPath)){TargetPath = Path.ChangeExtension(FilePath, "pdf");}try{XlFixedFormatType targetType = XlFixedFormatType.xlTypePDF;object missing = Type.Missing;//忽略警告提示wps.DisplayAlerts = false;//xls 转pdfdynamic doc = wps.Application.Workbooks.Open(FilePath, missing, missing, missing, missing, missing, missing, missing, missing, missing, missing, missing, missing, missing, missing);//保存为Pdfdoc.ExportAsFixedFormat(targetType, TargetPath, XlFixedFormatQuality.xlQualityStandard, true, false, missing, missing, missing, missing);//设置隐藏菜单栏和工具栏//wps.setViewerPreferences(PdfWriter.HideMenubar | PdfWriter.HideToolbar);
                doc.Close();doc = null;}catch (Exception e){throw e;}finally{Dispose();}return TargetPath;}/// <summary>/// 使用ppt将xls转PDF/// </summary>/// <param name="TargetPath">目标文件路径，不传默认在源文件的所属目录</param>/// <returns>Pdf文件路径</returns>public string PptWpsToPdf(string TargetPath = ""){if (string.IsNullOrEmpty(FilePath)){throw new Exception("请传入文件路径");}//如果没传入文件路径就默认使用源目录if (string.IsNullOrEmpty(TargetPath)){TargetPath = Path.ChangeExtension(FilePath, "pdf");}try{//忽略警告提示wps.DisplayAlerts = false;//ppt 转pdfdynamic doc = wps.Presentations.Open(FilePath, MsoTriState.msoCTrue,MsoTriState.msoCTrue, MsoTriState.msoCTrue);object missing = Type.Missing;//doc.ExportAsFixedFormat(pdfPath, PpFixedFormatType.ppFixedFormatTypePDF,//    PpFixedFormatIntent.ppFixedFormatIntentPrint,//    MsoTriState.msoCTrue, PpPrintHandoutOrder.ppPrintHandoutHorizontalFirst,//    PpPrintOutputType.ppPrintOutputBuildSlides,//      MsoTriState.msoCTrue, null, PpPrintRangeType.ppPrintAll,"",//      false, false, false, false, false, missing);//保存为Pdf
                doc.SaveAs(TargetPath, PowerPoint.PpSaveAsFileType.ppSaveAsPDF, MsoTriState.msoTrue);//设置隐藏菜单栏和工具栏//wps.setViewerPreferences(PdfWriter.HideMenubar | PdfWriter.HideToolbar);
                doc.Close();doc = null;}catch (Exception e){throw e;}finally{Dispose();}return TargetPath;}/// <summary>/// 支持释放资源可以使用using/// </summary>public void Dispose(){if (wps != null){wps.Quit();//释放掉wps对象wps = null;#region 强制关闭所有wps的功能慎用,尤其是带并发的//强制关闭所有wps进程,解决文件占用的问题if (this.IsKillAllWps){System.Diagnostics.Process[] process = System.Diagnostics.Process.GetProcessesByName("wps");foreach (System.Diagnostics.Process prtemp in process){prtemp.Kill();}} #endregion}}}

        /// <summary>/// 开始转换Pdf/// </summary>private void StatButton_Click(object sender, EventArgs e){if (File.Exists(PdfFileTextBox.Text)&& Path.IsPathRooted(PdfFileTextBox.Text)){Stopwatch sw = new Stopwatch();sw.Start();using (ToPdfHelper Help = new ToPdfHelper(PdfFileTextBox.Text,true)){Help.WordWpsToPdf();}sw.Stop();TimeSpan ts2 = sw.Elapsed;TimeLabel.Text = string.Format("转换使用时间：总共花费{0}ms.", ts2.TotalMilliseconds);}else{MessageBox.Show("文件不存在，检查文件路径是否正常，只支持绝对路径！");}}