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;

namespace?Spacebuilder.File
{
????public?class?DocViewService
????{


????????public?string?GetSwfUrl（string?filePath）
????????{
????????????try
????????????{
????????????????string?suffixName?=?filePath.Substring（filePath.LastIndexOf（‘.‘）?+?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“;
????????????}

????????}

????????///?

????????///?獲取文件的名字不帶后綴名
????????///?

????????///?文件絕對路徑
????????///?
????????private?string?GetFileName（string?filePath）
????????{
????????????int?index0?=?filePath.LastIndexOf（‘\\‘）;//文件名的索引開始位置
????????????int?index1?=?filePath.LastIndexOf（‘.‘）;//文件的名里點的索引位置
????????????int?fileNameLength?=?index1?-?index0?-?1;//文件名的長度
????????????return?filePath.Substring（index0?+?1?fileNameLength）;
????????}

????????private?string?Pdf2Swf（string?pdfurl）
????????{
????????????//自動保存文檔的截圖
????????????Pdf2Jpg（pdfurl）;
????????????string?swfpath?=?““;
????????????try
????????????{
????????????