package com.baidu.util; import java.io.BufferedInputStream;import java.io.File;import java.io.FileInputStream;import java.io.IOException;import java.io.InputStream;import java.net.ConnectException; import javax.imageio.stream.FileImageInputStream;import javax.servlet.ServletException;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse; import com.artofsolving.jodconverter.DocumentConverter;import com.artofsolving.jodconverter.openoffice.connection.OpenOfficeConnection;import com.artofsolving.jodconverter.openoffice.connection.SocketOpenOfficeConnection;import com.artofsolving.jodconverter.openoffice.converter.OpenOfficeDocumentConverter; /** * @Author:NuoYan * @Date:2015-2-2 下午2:24:58  * TODO: 1、第一步，首先獲取到需要查看的文件 *    2、第二部，將獲取的文件(doc,xls,txt,ppt,03/07版本轉(zhuǎn)化為PDF),這一步需要調(diào)用OpenOffice *    3、第三部，將資源文件轉(zhuǎn)換好的PDF文件轉(zhuǎn)換為swf文件,使用FlexPaperViewer.swf進(jìn)行瀏覽查看 */public class BaiDuServlet extends HttpServlet {  private File sourceFile;// 要轉(zhuǎn)化的源文件  private File pdfFile;// pdf中間文件對象  private File swfFile;// swf目標(biāo)文件對象  private String filePath;// 用來保存文件路徑  private String fileName;// 不包括后綴名的文件名   public File getSourceFile() {    return sourceFile;  }   public void setSourceFile(File sourceFile) {    this.sourceFile = sourceFile;  }   public File getPdfFile() {    return pdfFile;  }   public void setPdfFile(File pdfFile) {    this.pdfFile = pdfFile;  }   public File getSwfFile() {    return swfFile;  }   public void setSwfFile(File swfFile) {    this.swfFile = swfFile;  }   public String getFilePath() {    return filePath;  }   public void setFilePath(String filePath) {    this.filePath = filePath;  }   public String getFileName() {    return fileName;  }   public void setFileName(String fileName) {    this.fileName = fileName;  }   public void doGet(HttpServletRequest request, HttpServletResponse response)      throws ServletException, IOException {    String saveFileName = request.getParameter("savFile");    System.out.println(saveFileName);    String webPath = request.getRealPath("/");    filePath = webPath + "reader//" + saveFileName;    fileName = filePath.substring(0, filePath.lastIndexOf("."));    // 創(chuàng)建三個文件對象    sourceFile = new File(filePath);    pdfFile = new File(fileName + ".pdf");    swfFile = new File(fileName + ".swf");    System.out.println(pdfFile);    System.out.println(swfFile);    // 1、將源文件轉(zhuǎn)化為pdf格式文件    src2pdf();    try {      // 2、將pdf文件轉(zhuǎn)化為swf文件      pdf2swf();    } catch (Exception e) {      e.printStackTrace();    }    // 將轉(zhuǎn)化好的文件綁定到session上去    request.getSession().setAttribute("swfName", swfFile.getName());    System.out.println(swfFile.getName());    // 重定向到預(yù)覽頁面    response.sendRedirect(request.getContextPath() + "/reader/baseFile.jsp");  }   /**   * @Author:NuoYan   * @Date:2015-2-2 下午2:28:22 TODO://源文件轉(zhuǎn)化為PDF文件   */  private void src2pdf() {    if (sourceFile.exists()) {      // 如果不存在，需要轉(zhuǎn)份為PDF文件      if (!pdfFile.exists()) {        // 啟用OpenOffice提供的轉(zhuǎn)化服務(wù)        OpenOfficeConnection conn = new SocketOpenOfficeConnection(8100);        // 連接OpenOffice服務(wù)器        try {          conn.connect();          // 建立文件轉(zhuǎn)換器對象          DocumentConverter converter = new OpenOfficeDocumentConverter(              conn);          converter.convert(sourceFile, pdfFile);          // 斷開鏈接          conn.disconnect();          System.out.println("轉(zhuǎn)換成功");        } catch (ConnectException e) {          e.printStackTrace();        }      } else {        System.out.println("已經(jīng)存在PDF文件，不需要在轉(zhuǎn)換??！");      }    } else {      System.out.println("文件路徑不存在?。?！");    }   }   /**   * @Author:NuoYan   * @Date:2015-2-2 下午2:28:32   * @throws Exception   * TODO:PDF轉(zhuǎn)化為SWF文件   */  private void pdf2swf() throws Exception {    if (!swfFile.exists()) {      if (pdfFile.exists()) {        String command = "C://Pdf2swf//pdf2swf.exe "            + pdfFile.getPath() + " -o " + swfFile.getPath()            + " -T 9";        System.out.println("轉(zhuǎn)換命令:" + command);        // Java調(diào)用外部命令,執(zhí)行pdf轉(zhuǎn)化為swf        Runtime r = Runtime.getRuntime();        Process p = r.exec(command);        System.out.println(loadStream(p.getInputStream()));        System.out.println("swf文件轉(zhuǎn)份成功?。?！");        System.out.println(swfFile.getPath());      } else {        System.out.println("不存在PDF文件");      }    }   }     private static String loadStream(InputStream in) throws Exception {    int len = 0;    in = new BufferedInputStream(in);    StringBuffer buffer = new StringBuffer();    while ((len = in.read()) != -1) {      buffer.append((char) len);    }    return buffer.toString();  } }

<%@ page language="java" import="java.util.*"pageEncoding="UTF-8"%><!DOCTYPE HTML PUBLIC"-//W3C//DTD HTML 4.01 Transitional//EN"><html> <head>  <title>百度文庫在線預(yù)覽</title>  <meta http-equiv="pragma" content="no-cache">  <meta http-equiv="cache-control" content="no-cache">  <meta http-equiv="expires" content="0">    <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">  <meta http-equiv="description" content="This is my page"> </head> <body>  <a href="<%=request.getContextPath()%>/BaiDuServlet?savFile=1234.xls">在線預(yù)覽</a> </body></html>

<%@ page language="java" contentType="text/html; charset=UTF-8"  pageEncoding="UTF-8"%><!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>在線閱讀</title><script type="text/javascript" src="../FlexPaper/js/flexpaper_flash.js"></script><style type="text/css">html,body{height: 100%;}body {  margin: 0;padding: 0;overflow: auto;}#flashContent { display:none; }</style></head><body><div style="position:absolute;left:10px;top:10px;">      <a id="viewerPlaceHolder" style="width:1000px;height:480px;display:block"></a>      <script type="text/javascript">         var fp = new FlexPaperViewer(              '../FlexPaper/FlexPaperViewer',             'viewerPlaceHolder', { config : {             SwfFile : escape('../reader/<%=(String)session.getAttribute("swfName")%>'),             Scale : 0.6,              ZoomTransition : 'easeOut',             ZoomTime : 0.5,             ZoomInterval : 0.2,             FitPageOnLoad : true,             FitWidthOnLoad : false,             FullScreenAsMaxWindow : false,             ProgressiveLoading : false,             MinZoomSize : 0.2,             MaxZoomSize : 5,             SearchMatchAll : false,             InitViewMode : 'Portrait',             PrintPaperAsBitmap : false,                          ViewModeToolsVisible : true,             ZoomToolsVisible : true,             NavToolsVisible : true,             CursorToolsVisible : true,             SearchToolsVisible : true,                            localeChain: 'zh_CN'             }});      </script>    </div> </body></html>