转自源地址:http://www.cnblogs.com/GodIsBoy/p/4009252.html,有部分改动
使用Microsoft的Office组件将文件转换为PDF格式文件,然后再使用pdf2swf转换为swf文件,也就是flash文件在使用FlexPaper展示出来(优点:预览效果能接受,缺点:代码量大)
使用ASPOSE+pdf2swf+FlexPaper
关于ASPOSE大家可以到官网了解,这是款商业收费产品但是免费也可以使用
1、引用dll
这一步的前提是需要去 官网下载 组件
下载之后,进行安装,然后在安装文件夹找到相应的 dll 库文件,然后引用到自己的项目中去
比如我要是想Word的在想浏览功能,那么我需要下载的组件是 Aspose.Word,然后安装,最后找到 dll 引用
2. 编写相应的转换方法,AsposeUtil 中的方法可根据具体自己需要提取部分,可做相应修改调整后使用
1 using System; 2 using System.Collections.Generic; 3 using System.Linq; 4 using System.Text; 5 using Aspose.Cells; 6 using Aspose.Words; 7 using Aspose.Slides; 8 using System.Text.RegularExpressions; 9 using System.IO; 10 11 namespace Souxuexiao.Common 12 { 13 /// <summary> 14 /// 第三方组件ASPOSE Office/WPS文件转换 15 /// Writer:Helen Joe 16 /// Date:2014-09-24 17 /// </summary> 18 public class AsposeUtils 19 { 20 /// <summary> 21 /// PFD转换器位置 22 /// </summary> 23 private static string _EXEFILENAME = System.Web.HttpContext.Current != null 24 ? System.Web.HttpContext.Current.Server.MapPath("/pdf2swf/pdf2swf.exe") 25 : System.IO.Path.Combine(AppDomain.CurrentDomain.BaseDirectory + "\\pdf2swf\\pdf2swf.exe"); 26 27 #region 1.01 Wrod文档转换为PDF文件 +ConvertDocToPdF(string sourceFileName, string targetFileName) 28 /// <summary> 29 /// Wrod文档转换为PDF文件 30 /// </summary> 31 /// <param name="sourceFileName">需要转换的Word全路径</param> 32 /// <param name="targetFileName">目标文件全路径</param> 33 /// <returns>转换是否成功</returns> 34 public static bool ConvertDocToPdF(string sourceFileName, string targetFileName) 35 { 36 Souxuexiao.API.Logger.error(string.Format("Wrod文档转换为PDF文件:sourceFileName={0},targetFileName={1}", sourceFileName, targetFileName)); 37 try 38 { 39 using (System.IO.Stream stream = new System.IO.FileStream(sourceFileName, System.IO.FileMode.Open, System.IO.FileAccess.Read, System.IO.FileShare.ReadWrite)) 40 { 41 Document doc = new Document(sourceFileName); 42 doc.Save(targetFileName, Aspose.Words.SaveFormat.Pdf); 43 } 44 } 45 catch (Exception ex) 46 { 47 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)); 48 } 49 return System.IO.File.Exists(targetFileName); 50 } 51 #endregion 52 53 #region 1.02 Excel文件转换为HTML文件 +(string sourceFileName, string targetFileName, string guid) 54 /// <summary> 55 /// Excel文件转换为HTML文件 56 /// </summary> 57 /// <param name="sourceFileName">Excel文件路径</param> 58 /// <param name="targetFileName">目标路径</param> 59 /// <returns>转换是否成功</returns> 60 public static bool ConvertExcelToHtml(string sourceFileName, string targetFileName) 61 { 62 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)); 63 try 64 { 65 using (System.IO.Stream stream = new System.IO.FileStream(sourceFileName, System.IO.FileMode.Open, System.IO.FileAccess.Read, System.IO.FileShare.ReadWrite)) 66 { 67 Aspose.Cells.Workbook workbook = new Workbook(stream); 68 workbook.Save(targetFileName, Aspose.Cells.SaveFormat.Html); 69 } 70 } 71 catch (Exception ex) 72 { 73 Souxuexiao.API.Logger.error(string.Format("Excel文件转换为HTML文件ConvertExcelToHtml异常原因是:{0}", ex.Message)); 74 } 75 return System.IO.File.Exists(targetFileName); 76 } 77 #endregion 78 79 #region 1.03 将PowerPoint文件转换为PDF +ConvertPowerPointToPdf(string sourceFileName, string targetFileName) 80 /// <summary> 81 /// 将PowerPoint文件转换为PDF 82 /// </summary> 83 /// <param name="sourceFileName">PPT/PPTX文件路径</param> 84 /// <param name="targetFileName">目标文件路径</param> 85 /// <returns>转换是否成功</returns> 86 public static bool ConvertPowerPointToPdf(string sourceFileName, string targetFileName) 87 { 88 Souxuexiao.API.Logger.info(string.Format("准备执行PowerPoint转换PDF,sourceFileName={0},targetFileName={1}",sourceFileName,targetFileName)); 89 try 90 { 91 using (System.IO.Stream stream = new System.IO.FileStream(sourceFileName, System.IO.FileMode.Open, System.IO.FileAccess.Read, System.IO.FileShare.ReadWrite)) 92 { 93 Aspose.Slides.Pptx.PresentationEx pptx = new Aspose.Slides.Pptx.PresentationEx(stream); 94 pptx.Save(targetFileName, Aspose.Slides.Export.SaveFormat.Pdf); 95 } 96 } 97 catch (Exception ex) 98 { 99 Souxuexiao.API.Logger.error(string.Format("将PowerPoint文件转换为PDFConvertExcelToHtml异常原因是:{0}", ex.Message)); 100 } 101 return System.IO.File.Exists(targetFileName); 102 } 103 #endregion 104 105 #region 2.01 读取pdf文件的总页数 +GetPageCount(string pdf_filename) 106 /// <summary> 107 /// 读取pdf文件的总页数 108 /// </summary> 109 /// <param name="pdf_filename">pdf文件</param> 110 /// <returns></returns> 111 public static int GetPageCountByPDF(string pdf_filename) 112 { 113 int pageCount = 0; 114 if (System.IO.File.Exists(pdf_filename)) 115 { 116 try 117 { 118 byte[] buffer = System.IO.File.ReadAllBytes(pdf_filename); 119 if (buffer != null && buffer.Length > 0) 120 { 121 pageCount = -1; 122 string pdfText = Encoding.Default.GetString(buffer); 123 Regex regex = new Regex(@"/Type\s*/Page[^s]"); 124 MatchCollection conllection = regex.Matches(pdfText); 125 pageCount = conllection.Count; 126 } 127 } 128 catch (Exception ex) 129 { 130 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)); 131 } 132 } 133 return pageCount; 134 } 135 #endregion 136 137 #region 2.02 转换PDF文件为SWF格式 +PDFConvertToSwf(string pdfPath, string swfPath, int page) 138 /// <summary> 139 /// 转换PDF文件为SWF格式 140 /// </summary> 141 /// <param name="pdfPath">PDF文件路径</param> 142 /// <param name="swfPath">SWF生成目标文件路径</param> 143 /// <param name="page">PDF页数</param> 144 /// <returns>生成是否成功</returns> 145 public static bool PDFConvertToSwf(string pdfPath, string swfPath, int page) 146 { 147 StringBuilder sb = new StringBuilder(); 148 sb.Append(" \"" + pdfPath + "\""); 149 sb.Append(" -o \"" + swfPath + "\""); 150 sb.Append(" -z"); 151 //flash version 152 sb.Append(" -s flashversion=9"); 153 //禁止PDF里面的链接 154 sb.Append(" -s disablelinks"); 155 //PDF页数 156 sb.Append(" -p " + "\"1" + "-" + page + "\""); 157 //SWF中的图片质量 158 sb.Append(" -j 100"); 159 string command = sb.ToString(); 160 System.Diagnostics.Process p = null; 161 try 162 { 163 using (p = new System.Diagnostics.Process()) 164 { 165 p.StartInfo.FileName = _EXEFILENAME; 166 p.StartInfo.Arguments = command; 167 p.StartInfo.WorkingDirectory = System.IO.Path.GetDirectoryName(_EXEFILENAME); 168 //不使用操作系统外壳程序 启动 线程 169 p.StartInfo.UseShellExecute = false; 170 //p.StartInfo.RedirectStandardInput = true; 171 //p.StartInfo.RedirectStandardOutput = true; 172 173 //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... 174 p.StartInfo.RedirectStandardError = true; 175 //不创建进程窗口 176 p.StartInfo.CreateNoWindow = false; 177 //启动进程 178 p.Start(); 179 //开始异步读取 180 p.BeginErrorReadLine(); 181 //等待完成 182 p.WaitForExit(); 183 } 184 } 185 catch (Exception ex) 186 { 187 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)); 188 } 189 finally 190 { 191 if (p != null) 192 { 193 //关闭进程 194 p.Close(); 195 //释放资源 196 p.Dispose(); 197 } 198 } 199 return File.Exists(swfPath); 200 } 201 #endregion 202 } 203 }
另:项目使用,根据需要有一些的改动
这里还需要下载 swf 转换工具 swfTools 官网下载 安装,然后在安装目录找到 pdf2swf.exe,我是放在 项目的 bin 文件夹下面,其实可以自己放在任意的位置,只是使用的时候填好路径。
封装一个传参数的类:
public class FlexPaper { public int ID { get; set; } public string SwfFileName { get; set; } public string PdfFile { get; set; } public string SwfFile { get; set; } }
转换的工具类:
(1). Word 转Pdf 的帮助类
public class WordHelper { /// <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) { 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) { } return System.IO.File.Exists(targetFileName); }
(2). pdf转 swf 的帮助类
public class FlexPaperEntity { public List<FlexPaper> GetSwfFile(FlexPaper fp) { //string TemporaryDirectory = "~/Temp/"; //string fID = fp.ID.ToString(); string filePdf = fp.PdfFile;// TemporaryDirectory + fID + ".pdf"; string fileName = Guid.NewGuid().ToString(); string fileswf = fp.SwfFile; //TemporaryDirectory + fileName + ".swf"; using(System.Diagnostics.Process p =new System.Diagnostics.Process()) { //获取 执行转换功能的文件路径 p.StartInfo.FileName = HttpContext.Current.Server.MapPath("~/bin/pdf2swf.exe"); //p.StartInfo.Arguments = " -t " + HttpContext.Current.Server.MapPath(filePdf) + " -s flashversion=9 -o " + HttpContext.Current.Server.MapPath(fileswf); //转换命令 p.StartInfo.Arguments = " -t " + filePdf + " -s flashversion=9 -o " +fileswf; //相应参数的设置 p.StartInfo.UseShellExecute = false; p.StartInfo.RedirectStandardOutput = false; p.StartInfo.CreateNoWindow = true; p.StartInfo.UseShellExecute = false; //开始执行 p.Start(); p.WaitForExit(); } //返回保存的路径 List<FlexPaper> oo = new List<FlexPaper>(); oo.Add(new FlexPaper { SwfFile = "/Temp/" + fp.SwfFileName + ".swf" }); return oo; } }
写了一个测试用的 ashx 一般处理程序
public class GetSwf : IHttpHandler { public void ProcessRequest(HttpContext context) { //int fileID = Convert.ToInt32(context.Request["fileID"]); string docFile = context.Server.MapPath("~/Temp/129.doc"); string pdfFile = context.Server.MapPath("~/Temp/129.pdf"); WordHelper.ConvertDocToPdF(docFile, pdfFile); string fileName = Guid.NewGuid().ToString(); string swfFile = context.Server.MapPath("~/Temp/" + fileName + ".swf"); FlexPaper fp = new FlexPaper() {SwfFileName=fileName, PdfFile = pdfFile, SwfFile = swfFile }; FlexPaperEntity ent = new FlexPaperEntity(); List<FlexPaper> lis = ent.GetSwfFile(fp); context.Response.Write(DataHelper.JsonSerialize(lis)); } public bool IsReusable { get { return false; } } }
前台页面: js 相关文件可在此处下载
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="PDF_Test.Default" %> <!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server"> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/> <title></title> <style type="text/css"> #flashContent{ display:none; } </style> <script src="Scripts/jquery-1.8.3-min.js" type="text/javascript"></script> <script src="js/flexpaper_flash.js" type="text/javascript"></script> <script src="js/flexpaper_flash_debug.js" type="text/javascript"></script> <script src="js/swfobject/swfobject.js" type="text/javascript"></script> <script type="text/javascript"> $.get("/GetSwf.ashx", { }, function (data) { $.each(data, function (i, item) { var script = "<script type=\"text/javascript\">var swfFile='" + item.swfFile + "'</scr" + "ipt>"; $('head').append(script); }); var s = document.createElement("script"); s.type = "text/javascript"; s.src = "/js/InsusDocumentView.js"; $('head').append(s); }, "json"); </script> </head> <body> <div style="position: absolute; left: 3px; top: 3px;" align="center"> <div id="flashContent"> <p> To view this page ensure that Adobe Flash Player version 10.0.0 or greater is installed. </p> <script type="text/javascript"> var pageHost = ((document.location.protocol == "https:") ? "https://" : "http://"); document.write("<a href='http://www.adobe.com/go/getflashplayer'><img src='" + pageHost + "www.adobe.com/images/shared/download_buttons/get_flash_player.gif' alt='Get Adobe Flash player' /></a>"); </script> </div> </div> </body> </html>
附:整个测试项目的文件结构
注:ppt转换PDF如果有问题,可再联系....
由于试用版限制只能转换5页文件,所以有可能的话就使用 aspose 破解版