office文件在线预览

1、这个文档在线预览支持IE、谷歌、火狐、等主流浏览器。

2、直接是通过后台代码做的转换。所以在主流的浏览器平台上几乎没有兼容性问题

3、引用封装好的程序集，转换起来更加方便、快捷

4、完全抛弃了微软的office办公组件

5、有下载券的同学不要吝啬呀（我缺/(ㄒoㄒ)/~~）

6、没下载的券的留言，我发给你

using System;

using System.Collections.Generic;

using System.Diagnostics;

using System.IO;

using System.Linq;

using System.Web;

using Aspose.Cells;

using Aspose.Pdf.Devices;

using Aspose.Slides;

using Aspose.Words;

using Pdf = Aspose.Pdf;

namespace Spacebuilder.File

{

public class DocViewService

{

///

/// 获取swf的转换地址

///

///

///

public string GetSwfUrl(string filePath)

{

try

{

string suffixName = filePath.Substring(https://www.360docs.net/doc/9a7253426.html,stIndexOf('.') + 1);

string fileName = GetFileName(filePath);

string pdfurl = HttpContext.Current.Server.MapPath("~/Uploads/pdfs/");

pdfurl = string.Format("{0}{1}.pdf", pdfurl, fileName);

string swfPath = "error.swf";

if (suffixName == "swf")

{

return filePath;

}

if (ExistFile(pdfurl))

{

return Pdf2Swf(pdfurl);

}

switch (suffixName)

{

case "rar":

case "zip":

break;

case "mp4":

swfPath = "mp4";

break;

case "xls":

case "xlsx":

Workbook xls = new Workbook(filePath);

xls.Save(pdfurl, Aspose.Cells.SaveFormat.Pdf);

break;

case "txt":

case "docx":

case "doc":

Document doc = new Document(filePath);

doc.Save(pdfurl);

break;

case "ppt":

case "pptx":

Presentation ppt = new Presentation(filePath);

ppt.Save(pdfurl, Aspose.Slides.Export.SaveFormat.Pdf);

break;

case "pdf":

pdfurl = filePath;

break;

}

swfPath = Pdf2Swf(pdfurl);

return swfPath;

}

catch (Exception)

{

return "error.swf";

}

}

///

/// 获取pdf转换的swf地址

///

///

///

public string GetHtmlUrl(string filePath)

{

try

{

string suffixName = GetsuffixName(filePath);

string fileName = GetFileName(filePath);

string pdfurl = HttpContext.Current.Server.MapPath("~/Uploads/pdfs/");

pdfurl = string.Format("{0}{1}.pdf", pdfurl, fileName);

string htmlPath = "/Pdf2Html/error.html";

if (suffixName == "swf")

{

return filePath;

}

if (ExistFile(pdfurl))

{

return Pdf2Html(pdfurl);

}

switch (suffixName)

{

case "rar":

case "zip":

break;

case "mp4":

htmlPath = "mp4";

break;

case "xls":

case "xlsx":

Workbook xls = new Workbook(filePath);

xls.Save(pdfurl, Aspose.Cells.SaveFormat.Pdf);

break;

case "txt":

case "docx":

case "doc":

Document doc = new Document(filePath);

doc.Save(pdfurl);

break;

case "ppt":

case "pptx":

Presentation ppt = new Presentation(filePath);

ppt.Save(pdfurl, Aspose.Slides.Export.SaveFormat.Pdf);

break;

case "pdf":

pdfurl = filePath;

break;

}

htmlPath = Pdf2Html(pdfurl);

return htmlPath;

}

catch (Exception)

{

return "/Pdf2Html/error.html";

}

}

///

/// 获取文件的扩展名

///

///

///

public string GetsuffixName(string fileName)

{

return fileName.Substring(https://www.360docs.net/doc/9a7253426.html,stIndexOf('.') + 1);

}

///

/// 获取文件的名字不带后缀名

///

/// 文件绝对路径

///

private string GetFileName(string filePath)

{

int index0 = https://www.360docs.net/doc/9a7253426.html,stIndexOf('\\');//文件名的索引开始位置int index1 = https://www.360docs.net/doc/9a7253426.html,stIndexOf('.');//文件的名里点的索引位置

int fileNameLength = index1 - index0 - 1;//文件名的长度

return filePath.Substring(index0 + 1, fileNameLength);

}

///

/// 将pdf文件转换成html

///

///

///

public string Pdf2Html(string pdfurl)

{

//自动保存文档的截图

Pdf2Jpg(pdfurl);

var htmlName = GetFileName(pdfurl) + ".html";

var outFile = HttpContext.Current.Server.MapPath("~/Pdf2Html/" + htmlName);

if (ExistFile(outFile))

{

return "/Pdf2Html/" + htmlName;

}

var doc = new Pdf.Document(pdfurl);

// Create HtmlSaveOption with tested feature

var saveOptions = new Pdf.HtmlSaveOptions

{

FixedLayout = true,

SplitIntoPages = false,

RasterImagesSavingMode = Pdf.HtmlSaveOptions.RasterImagesSavingModes.AsExternalPngFilesReferencedViaSvg

};

// Save the output in HTML format

doc.Save(outFile, saveOptions);

return "/Pdf2Html/" + htmlName;

}

private string Pdf2Swf(string pdfurl)

{

//自动保存文档的截图

Pdf2Jpg(pdfurl);

string swfpath = "";

try

{

//将office文件转换成PDF,保存到PDF文件夹下

var pdfFileName = pdfurl.Substring(https://www.360docs.net/doc/9a7253426.html,stIndexOf('\\') + 1);

var fileOutPath = pdfurl;

//切记，使用pdf2swf.exe 打开的文件名之间不能有空格，否则会失败

var cmdStr = HttpContext.Current.Server.MapPath("~/Scripts/SWFTools/pdf2swf.exe");

var swfPath = HttpContext.Current.Server.MapPath("~/Uploads/swfs/");

var swfurl = pdfFileName.Substring(0, https://www.360docs.net/doc/9a7253426.html,stIndexOf('.')) + ".swf";

if (!ExistFile(swfPath + swfpath))

{

var saveSWFPath = swfPath;

//将PDF文件转换成SWF格式文件

//要转换的pdf文件路径

var sourcePath = @"""" + fileOutPath + @"""";

//转换之后swf文件存放的目标路径

var targetPath = @"""" + saveSWFPath + pdfFileName.Substring(0, https://www.360docs.net/doc/9a7253426.html,stIndexOf(".")) + ".swf" + @"""";

//@"""" 四个双引号得到一个双引号，如果你所存放的文件所在文件夹名有空格的话，要在文件名的路径前后加上双引号，才能够成功

// -t 源文件的路径

// -s 参数化（也就是为pdf2swf.exe 执行添加一些窗外的参数(可省略)）

var argsStr = " -t " + sourcePath + " -s flashversion=9 -o " + targetPath;

//执行pdf到swf的转换

ExcutedCmd(cmdStr, argsStr);

}

//Response.Write("");

//Response.Redirect("FileWebViewer.aspx?SwfUrl=" + HttpUtility.HtmlEncode(swfurl));

swfpath = HttpUtility.HtmlEncode(swfurl);

}

catch (Exception ex)

{

throw ex;

}

return swfpath;

}

private static void ExcutedCmd(string cmd, string args)

{

using (var p = new Process())

{

var psi = new ProcessStartInfo(cmd, args);

psi.WindowStyle = ProcessWindowStyle.Hidden;

p.StartInfo = psi;

p.Start();

p.WaitForExit();

}

}

///

/// 将pdf保存一个图片

///

///

public void Pdf2Jpg(string pdfPath)

{

string pdfJpgFolderPath = HttpContext.Current.Server.MapPath("~/Uploads/PdfJpg/");

// Open document

var pdfDocument = new Pdf.Document(pdfPath);

var pdfName = GetFileName(pdfDocument.FileName);

var pdfJpgPath = pdfJpgFolderPath + pdfName + ".jpg";

if (ExistFile(pdfJpgPath)) return;

using (var imageStream = new FileStream(pdfJpgPath, FileMode.Create))

{

//图像分辨率

var resolution = new Resolution(300);

// Create JPEG device with specified attributes (Width, Height, Resolution, Quality)

// where Quality [0-100], 100 is Maximum

var jpegDevice = new JpegDevice(100, 130, resolution, 100);

// Convert a particular page and save the image to stream

jpegDevice.Process(pdfDocument.Pages[1], imageStream);

// Close stream

imageStream.Close();

}

}

private bool ExistFile(string pdfpath)

{

return System.IO.File.Exists(pdfpath);

}

}

}