#region 将Word文档转化为图片

     /// <summary>

     /// 将Word文档转化为图片

     /// </summary>

     /// <param name="wordpath">需要转换的word文档的全路径</param>

     public void Word_Convert2Image(string wordpath)

     {

         //第一步：将Word文档转化为Pdf文档（中间过程）

         Aspose.Words.Document doc = new Aspose.Words.Document(wordpath);

         //生成的pdf的路径

         string Pdfpath = Server.MapPath("images") + "Word2Pdf.pdf";

         doc.Save(Pdfpath, Aspose.Words.SaveFormat.Pdf);  //生成中间文档pdf

         //第二部：开始把第一步中转化的pdf文档转化为图片

         int i = ;

         Aspose.Pdf.Document pdfDocument = new Aspose.Pdf.Document(Pdfpath);

         while (i <= pdfDocument.Pages.Count)

         {

             if (!string.IsNullOrEmpty(Pdfpath))

             {

                 GetImage(Pdfpath, i);

                 GC.Collect();  //回收内存

             }

             i++;

         }

         //图片转化完成之后，删除中间过程产生的pdf文档

         if (File.Exists(Pdfpath))

             File.Delete(Pdfpath);

     }

     #endregion

     #region 将pdf转化为图片

     /// <summary>

     /// 将PDF 相应的页转换为图片

     /// </summary>

     /// <param name="strPDFpath">PDF 路径</param>

     /// <param name="Page">需要转换的页页码</param>

     private void GetImage(string strPDFpath, int Page)

     {

         GC.Collect();

         string strSavePath = Server.MapPath("images");

         byte[] ImgData = GetImgData(strPDFpath, Page);

         MemoryStream ms = new MemoryStream(ImgData, , ImgData.Length);

         Bitmap returnImage = (Bitmap)Bitmap.FromStream(ms);

         string picName=string.Format("{0}_{1}.jpg", CreatePicName(),Page);

         string strImgPath = Path.Combine(strSavePath, picName);  //图片名称可在此修改

         returnImage.Save(strImgPath);

         returnImage.Dispose();

         ms.Dispose();

         AddImage(Page, picName);  //将图片添加到数据库

     }

     /// <summary>

     /// 从PDF中获取首页的图片

     /// </summary>

     /// <param name="PDFPath">PDF 文件路径</param>

     /// <param name="Page">需要获取的第几页</param>

     /// <returns></returns>

     private byte[] GetImgData(string PDFPath, int Page)

     {

         System.Drawing.Image img = PDFView.ConvertPDF.PDFConvert.GetPageFromPDF(PDFPath, Page, , "", true);

         return GetDataByImg(img);//读取img的数据并返回

     }

     /// <summary>

     /// 将单页的PDF转换为图片

     /// </summary>

     /// <param name="_image"></param>

     /// <returns></returns>

     private byte[] GetDataByImg(System.Drawing.Image _image)

     {

         System.IO.MemoryStream Ms = new MemoryStream();

         _image.Save(Ms, System.Drawing.Imaging.ImageFormat.Jpeg);

         byte[] imgdata = new byte[Ms.Length];

         Ms.Position = ;

         Ms.Read(imgdata, , Convert.ToInt32(Ms.Length));

         Ms.Close();

         return imgdata;

     }

     #endregion