using System; using System.Collections.Generic; using System.Linq; using System.Text; using Aspose.Cells; using Aspose.Words; using Aspose.Slides; using System.Text.RegularExpressions; using System.IO; namespace Souxuexiao.Common
{ /// <summary> /// 第三方组件ASPOSE Office/WPS文件转换 /// Writer:Helen Joe /// Date:2014-09-24 /// </summary> public class AsposeUtils
    { /// <summary> /// PFD转换器位置 /// </summary> private static string _EXEFILENAME = System.Web.HttpContext.Current != null ? System.Web.HttpContext.Current.Server.MapPath("/pdf2swf/pdf2swf.exe")
                : System.IO.Path.Combine(AppDomain.CurrentDomain.BaseDirectory + "\\pdf2swf\\pdf2swf.exe"); #region 1.01 Wrod文档转换为PDF文件 +ConvertDocToPdF(string sourceFileName, string targetFileName) /// <summary> /// Wrod文档转换为PDF文件 /// </summary> /// <param name="sourceFileName">需要转换的Word全路径</param> /// <param name="targetFileName">目标文件全路径</param> /// <returns>转换是否成功</returns> public static bool ConvertDocToPdF(string sourceFileName, string targetFileName)
        {
            Souxuexiao.API.Logger.error(string.Format("Wrod文档转换为PDF文件:sourceFileName={0},targetFileName={1}", sourceFileName, targetFileName)); try { using (System.IO.Stream stream = new System.IO.FileStream(sourceFileName, System.IO.FileMode.Open, System.IO.FileAccess.Read, System.IO.FileShare.ReadWrite))
                {
                    Document doc = new Document(sourceFileName);
                    doc.Save(targetFileName, Aspose.Words.SaveFormat.Pdf);
                }
            } catch (Exception ex)
            {
                Souxuexiao.API.Logger.error(string.Format("Wrod文档转换为PDF文件执行ConvertDocToPdF发生异常原因是:{0}",ex.Message));
            } return System.IO.File.Exists(targetFileName);
        } #endregion #region 1.02 Excel文件转换为HTML文件 +(string sourceFileName, string targetFileName, string guid) /// <summary> /// Excel文件转换为HTML文件 /// </summary> /// <param name="sourceFileName">Excel文件路径</param> /// <param name="targetFileName">目标路径</param> /// <returns>转换是否成功</returns> public static bool ConvertExcelToHtml(string sourceFileName, string targetFileName)
        {
            Souxuexiao.API.Logger.info(string.Format("准备执行Excel文件转换为HTML文件,sourceFileName={0},targetFileName={1}",sourceFileName,targetFileName)); try { using (System.IO.Stream stream = new System.IO.FileStream(sourceFileName, System.IO.FileMode.Open, System.IO.FileAccess.Read, System.IO.FileShare.ReadWrite))
                {
                    Aspose.Cells.Workbook workbook = new Workbook(stream);
                    workbook.Save(targetFileName, Aspose.Cells.SaveFormat.Html);
                }
            } catch (Exception ex)
            {
                Souxuexiao.API.Logger.error(string.Format("Excel文件转换为HTML文件ConvertExcelToHtml异常原因是:{0}", ex.Message));
            } return System.IO.File.Exists(targetFileName);
        } #endregion #region 1.03 将PowerPoint文件转换为PDF +ConvertPowerPointToPdf(string sourceFileName, string targetFileName) /// <summary> /// 将PowerPoint文件转换为PDF /// </summary> /// <param name="sourceFileName">PPT/PPTX文件路径</param> /// <param name="targetFileName">目标文件路径</param> /// <returns>转换是否成功</returns> public static bool ConvertPowerPointToPdf(string sourceFileName, string targetFileName)
        {
            Souxuexiao.API.Logger.info(string.Format("准备执行PowerPoint转换PDF,sourceFileName={0},targetFileName={1}",sourceFileName,targetFileName)); try { using (System.IO.Stream stream = new System.IO.FileStream(sourceFileName, System.IO.FileMode.Open, System.IO.FileAccess.Read, System.IO.FileShare.ReadWrite))
                {
                    Aspose.Slides.Pptx.PresentationEx pptx = new Aspose.Slides.Pptx.PresentationEx(stream);
                    pptx.Save(targetFileName, Aspose.Slides.Export.SaveFormat.Pdf);
                }
            } catch (Exception ex)
            {
                Souxuexiao.API.Logger.error(string.Format("将PowerPoint文件转换为PDFConvertExcelToHtml异常原因是:{0}", ex.Message));
            } return System.IO.File.Exists(targetFileName);
        } #endregion #region 2.01 读取pdf文件的总页数 +GetPageCount(string pdf_filename) /// <summary> /// 读取pdf文件的总页数 /// </summary> /// <param name="pdf_filename">pdf文件</param> /// <returns></returns> public static int GetPageCountByPDF(string pdf_filename)
        { int pageCount = 0; if (System.IO.File.Exists(pdf_filename))
            { try { byte[] buffer = System.IO.File.ReadAllBytes(pdf_filename); if (buffer != null && buffer.Length > 0)
                    {
                        pageCount = -1; string pdfText = Encoding.Default.GetString(buffer);
                        Regex regex = new Regex(@"/Type\s*/Page[^s]");
                        MatchCollection conllection = regex.Matches(pdfText);
                        pageCount = conllection.Count;
                    }
                } catch (Exception ex)
                {
                    Souxuexiao.API.Logger.error(string.Format("读取pdf文件的总页数执行GetPageCountByPowerPoint函数发生异常原因是:{0}", ex.Message));
                }
            } return pageCount;
        } #endregion #region 2.02 转换PDF文件为SWF格式 +PDFConvertToSwf(string pdfPath, string swfPath, int page) /// <summary> /// 转换PDF文件为SWF格式 /// </summary> /// <param name="pdfPath">PDF文件路径</param> /// <param name="swfPath">SWF生成目标文件路径</param> /// <param name="page">PDF页数</param> /// <returns>生成是否成功</returns> public static bool PDFConvertToSwf(string pdfPath, string swfPath, int page)
        {
            StringBuilder sb = new StringBuilder();
            sb.Append(" \"" + pdfPath + "\"");
            sb.Append(" -o \"" + swfPath + "\"");
            sb.Append(" -z"); //flash version sb.Append(" -s flashversion=9"); //禁止PDF里面的链接 sb.Append(" -s disablelinks"); //PDF页数 sb.Append(" -p " + "\"1" + "-" + page + "\""); //SWF中的图片质量 sb.Append(" -j 100"); string command = sb.ToString();
            System.Diagnostics.Process p = null; try { using (p = new System.Diagnostics.Process())
                {
                    p.StartInfo.FileName = _EXEFILENAME;
                    p.StartInfo.Arguments = command;
                    p.StartInfo.WorkingDirectory = System.IO.Path.GetDirectoryName(_EXEFILENAME); //不使用操作系统外壳程序 启动 线程 p.StartInfo.UseShellExecute = false; //p.StartInfo.RedirectStandardInput = true; //p.StartInfo.RedirectStandardOutput = true; //把外部程序错误输出写到StandardError流中(pdf2swf.exe的所有输出信息,都为错误输出流,用 StandardOutput是捕获不到任何消息的... p.StartInfo.RedirectStandardError = true; //不创建进程窗口 p.StartInfo.CreateNoWindow = false; //启动进程  p.Start(); //开始异步读取  p.BeginErrorReadLine(); //等待完成  p.WaitForExit();
                }
            } catch (Exception ex)
            {
                Souxuexiao.API.Logger.error(string.Format("转换PDF文件为SWF格式执行PDFConvertToSwf函数发生异常原因是:{0}", ex.Message));
            } finally { if (p != null)
                { //关闭进程  p.Close(); //释放资源  p.Dispose();
                }
            } return File.Exists(swfPath);
        } #endregion }
}