C#实现将PPT转换成HTML的方法

using System; using System.Collections.Generic; using System.Text; using System.IO; using PPT = Microsoft.Office.Interop.PowerPoint; using System.Reflection;namespace WritePptDemo {   class Program   {     static void Main(string[] args)     {       string  path;     //文件路径变量       PPT.Application pptApp;   //Excel应用程序变量        PPT.Presentation pptDoc;   //Excel文档变量       PPT.Presentation pptDoctmp;      path  = @"C:/MyPPT.ppt";   //路径       pptApp =  new PPT.ApplicationClass();  //初始化      //如果已存在，则删除       if  (File.Exists((string)path))       {          File.Delete((string)path);       }      //由于使用的是COM库，因此有许多变量需要用Nothing代替       Object  Nothing = Missing.Value;       pptDoc =  pptApp.Presentations.Add(Microsoft.Office.Core.MsoTriState.msoFalse);        pptDoc.Slides.Add(1,  Microsoft.Office.Interop.PowerPoint.PpSlideLayout.ppLayoutText);       string text = "示例文本";      foreach  (PPT.Slide slide in pptDoc.Slides)       {          foreach (PPT.Shape shape in slide.Shapes)          {            shape.TextFrame.TextRange.InsertAfter(text);          }       }        //WdSaveFormat为Excel文档的保存格式        PPT.PpSaveAsFileType format = PPT.PpSaveAsFileType.ppSaveAsDefault;      //将excelDoc文档对象的内容保存为XLSX文档         pptDoc.SaveAs(path, format, Microsoft.Office.Core.MsoTriState.msoFalse);      //关闭excelDoc文档对象         pptDoc.Close();      //关闭excelApp组件对象         pptApp.Quit();       Console.WriteLine(path + " 创建完毕！");       Console.ReadLine();       string  pathHtml = @"c:/MyPPT.html";       PPT.Application pa = new PPT.ApplicationClass();       pptDoctmp = pa.Presentations.Open(path,  Microsoft.Office.Core.MsoTriState.msoTrue,  Microsoft.Office.Core.MsoTriState.msoFalse,  Microsoft.Office.Core.MsoTriState.msoFalse);        PPT.PpSaveAsFileType formatTmp = PPT.PpSaveAsFileType.ppSaveAsHTML;        pptDoctmp.SaveAs(pathHtml, formatTmp,  Microsoft.Office.Core.MsoTriState.msoFalse);        pptDoctmp.Close();       pa.Quit();        Console.WriteLine(pathHtml + " 创建完毕！");     }   } } 

 using  Microsoft.Office.Core; using Microsoft.Office.Interop.PowerPoint;using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Web; using System.IO; using System.Text.RegularExpressions; using Nd.Webs; using Aspose.Cells; using Aspose.Words; using ND.CommonHelper; using Microsoft.Office.Interop.PowerPoint; using Microsoft.Office.Core;namespace Api.Note.Base {   #region Office文件转换成Html格式   class OfficeHtmlBo   {     #region InsertHeadHtml     /// <summary>     /// InsertHeadHtml     /// </summary>     /// <param  name="WordFilePath">InsertHeadHtml</param>     private string  InsertHeadHtml(string strHtml, string realPath)     {       int index  = strHtml.IndexOf("<body");       strHtml =  strHtml.Insert(index, "<div  style='height:60px;font-size:14px;margin:0px 0px  12px 0px;padding:14px 4px 12px 12px;line-height:24px;height:1%;'>以下是该文档的HTML预览效果。<br/><span>由于是网页提取显示word中的内容，有可能部分显示与源文档中有差异，如想查看更准确的信息，</span>您可以点击 <a  style='color:6699FF;text-decoration:underline;'  href='/Lib/UdControls/Download.aspx?action=Download&appFormCode=" +  HttpContext.Current.Request.QueryString["appFormCode"].ToString() +  "&path=" +  HttpContext.Current.Request.QueryString["path"].ToString() +  "&encrypt=" + HttpContext.Current.Request.QueryString["encrypt"].ToString()  + "'><b>下载原始附件</b></a></div>");      Regex  reg = new  Regex(@"(?<start><img[^>]+?src="")(?<src>[^""]+?)(?<end>""[^>]+?>)");       strHtml =  reg.Replace(strHtml, delegate(Match m)       {          return string.Format("{0}{1}{2}{3}",            m.Groups["start"].Value,            realPath,            m.Groups["src"].Value,            m.Groups["end"].Value            );       });       return strHtml;     }     #endregion    #region GetLeftStr     /// <summary>     /// 截取字符串左边指定长度     /// </summary>     /// <param  name="str"></param>     /// <param  name="length"></param>     ///  <returns></returns>     public string GetLeftStr(string  str, int length)     {       length =  length * 2;       string  tempStr = "";       int i = 0;       foreach  (char c in str)       {          tempStr += c.ToString();          if (((int)c >= 33) && ((int)c <= 126))          {            //字母和符号原样保留             i += 1;          }          else          {            i += 2;          }          if (i >= length)          {            return tempStr;          }       }       return  str;     }     #endregion    #region 将Word文档转换成HTML格式     /// <summary>     /// 将Word文档转换成HTML格式     /// </summary>     /// <param  name="WordFilePath">Word文档格式</param>     private void WordToHtmlFile(string  WordFilePath)     {       try       {          // 指定原文件和目标文件          string realPath = WordFilePath.Substring(0,  WordFilePath.LastIndexOf("/") + 1);          WordFilePath = System.Web.HttpContext.Current.Server.MapPath(WordFilePath);          object target = WordFilePath.Substring(0,  WordFilePath.LastIndexOf(".")) + ".html";          //string realPath = WordFilePath.Substring(0,  WordFilePath.LastIndexOf(".")) + ".html";         if (!File.Exists(target.ToString()))          {            Document doc = new Document(WordFilePath);            doc.Save(target.ToString(), SaveFormat.Html);          }         StreamReader sr = new StreamReader(target.ToString(), Encoding.Default);          string strHtml = sr.ReadToEnd();         strHtml = InsertHeadHtml(strHtml, realPath);          HttpContext.Current.Response.Write(strHtml);         sr.Close();       }       catch  (Exception ex)       {          //记录异常          LogEntry logEntry = new LogEntry();          logEntry.Message = ex.Message;          logEntry.Title = "---->将Word文档转换成HTML格式异常[WordToHtmlFile]";          logEntry.TimeStamp = DateTime.Now;          logEntry.LogEntryType = LogEntryType.Error;          logEntry.LogCatalog = LogCatalog.ExceptionLog;          logEntry.StackTrace = ex.StackTrace;          LogPosition logPosition = LogPosition.FileLog;          string positionParameter =  SysConfig.ToString(SysConfig.GetAppSetting("LogPath"));          SysLogger.Write(logEntry, logPosition, positionParameter);       }     }     #endregion    #region 将Excel文件转换成HTML格式     /// <summary>     /// 将Excel文件转换成HTML格式     /// </summary>     /// <param  name="ExcelFilePath">Excel文件路径</param>     private void  ExcelToHtmlFile(string ExcelFilePath)     {       try       {          string realPath = ExcelFilePath.Substring(0,  ExcelFilePath.LastIndexOf("/") + 1);          int index = ExcelFilePath.LastIndexOf("/");          string fileName;          if (ExcelFilePath.IndexOf(":") != -1)          {            fileName = ExcelFilePath.Split(new char[] { ':' })[0].ToString();            fileName = GetLeftStr(fileName.Substring(0,  fileName.LastIndexOf(".")), 10) +  fileName.Substring(fileName.LastIndexOf("."));            fileName = HttpUtility.UrlEncode(fileName, Encoding.UTF8);          }          else          {            fileName = ExcelFilePath.Substring(index + 1, ExcelFilePath.Length - index -  1);            fileName = GetLeftStr(fileName.Substring(0,  fileName.LastIndexOf(".")), 10) +  fileName.Substring(fileName.LastIndexOf("."));            //编码            fileName = HttpUtility.UrlEncode(fileName, Encoding.UTF8);          }          fileName = fileName.Substring(0, fileName.LastIndexOf("."));          ExcelFilePath = System.Web.HttpContext.Current.Server.MapPath(ExcelFilePath);          //目标html文件路径          object target = ExcelFilePath.Substring(0,  ExcelFilePath.LastIndexOf(".")) + ".html";         string target2 = ExcelFilePath.Substring(0,  ExcelFilePath.LastIndexOf("//")) + "//" + fileName +  "_files//sheet001.htm";          if (!File.Exists(target.ToString()))          {            //为了保险,只读方式打开             //object readOnly = true;            //// 指定另存为格式(html)             //object format = Microsoft.Office.Interop.Excel.XlFileFormat.xlHtml;           ////打开Excel文件            //oBook = excelApp.Workbooks.Open(ExcelFilePath, Unknown, readOnly,            //  Unknown, Unknown, Unknown, Unknown, Unknown, Unknown,            //  Unknown, Unknown, Unknown, Unknown, Unknown, Unknown);           //// 转换格式             //oBook.SaveAs(target, format, Unknown, Unknown, Unknown, Unknown,            //    Microsoft.Office.Interop.Excel.XlSaveAsAccessMode.xlNoChange,            //   Unknown, Unknown, Unknown, Unknown, Unknown);           Workbook wBook = new Workbook();            wBook.Open(ExcelFilePath);            wBook.Save(target.ToString(), FileFormatType.Html);          }         StreamReader sr = new StreamReader(target2.ToString(), Encoding.Default);          string strHtml = sr.ReadToEnd();         strHtml = InsertHeadHtml(strHtml, realPath);         strHtml = strHtml.Replace("window.location.replace", "");          strHtml = strHtml.Replace("filelist.xml", realPath + "/"  + fileName + "_files/filelist.xml");          strHtml = strHtml.Replace("stylesheet.css", realPath +  "/" + fileName + "_files/stylesheet.css");          HttpContext.Current.Response.Write(strHtml);         sr.Close();       }       catch  (Exception ex)       {          //记录异常          LogEntry logEntry = new LogEntry();          logEntry.Message = ex.Message;          logEntry.Title = "---->将Excel文件转换成HTML格式[ExcelToHtmlFile]";          logEntry.TimeStamp = DateTime.Now;          logEntry.LogEntryType = LogEntryType.Error;          logEntry.LogCatalog = LogCatalog.ExceptionLog;          logEntry.StackTrace = ex.StackTrace;          LogPosition logPosition = LogPosition.FileLog;          string positionParameter =  SysConfig.ToString(SysConfig.GetAppSetting("LogPath"));          SysLogger.Write(logEntry, logPosition, positionParameter);       }     }     #endregion    #region 将PPT文件转换成HTML格式     /// <summary>     /// 将PPT文件转换成HTML格式     /// </summary>     /// <param  name="PptFilePath">PPT文件路径</param>     private void PptToHtmlFile(string  PptFilePath)     {        ApplicationClass ac = new ApplicationClass();        Presentation pptFile = null;       try       {          string realPath = PptFilePath.Substring(0,  PptFilePath.LastIndexOf(".")) + ".html";          PptFilePath = System.Web.HttpContext.Current.Server.MapPath(PptFilePath);          //获得html文件名          object target = PptFilePath.Substring(0,  PptFilePath.LastIndexOf(".")) + ".html";         if (!File.Exists(target.ToString()))          {            if (PptFilePath.Contains(".pptx"))            {              pptFile = ac.Presentations.Open2007(PptFilePath, MsoTriState.msoCTrue,  MsoTriState.msoCTrue, MsoTriState.msoFalse, MsoTriState.msoFalse);              pptFile.SaveAs(target.ToString(), PpSaveAsFileType.ppSaveAsHTML,  MsoTriState.msoCTrue);            }            else if (PptFilePath.Contains(".ppt"))            {              pptFile = ac.Presentations.Open(PptFilePath, MsoTriState.msoCTrue,  MsoTriState.msoCTrue, MsoTriState.msoFalse);              pptFile.SaveAs(target.ToString(), PpSaveAsFileType.ppSaveAsHTML,  MsoTriState.msoCTrue);            }          }          //StreamReader sr = new StreamReader(target.ToString(), Encoding.Default);          //string strHtml = sr.ReadToEnd();          //Response.Write(strHtml);          HttpContext.Current.Response.Redirect(realPath);       }       finally       {          if (pptFile != null)          {            pptFile.Close();          }          ac.Quit();          GC.Collect();       }     }     #endregion   }   #endregion}