java 实现word文档在线预览
一、准备工具
1.通过第三方工具openoffice，将word、excel、ppt、txt等文件转换为pdf文件
下载地址：http://www.openoffice.org/download/index.html
下载后，解压缩，安装
然后找到安装目录下的program 文件夹
在目录下运行
soffice -headless -accept="socket,host=127.0.0.1,port=8100;urp;" -nofirststartwizard
2.通过swfTools将pdf文件转换成swf格式的文件
下载地址：http://www.swftools.org/download.html
3.通过FlexPaper文档组件在页面上进行展示
将flexpaper文件中的js文件夹(包含了flexpaper_flash_debug.js，flexpaper_flash.js,jquery.js,这三个js文件主要是预览swf文件的插件)拷贝至网站根目录;将FlexPaperViewer.swf拷贝至网站根目录下(该文件主要是用在网页中播放swf文件的播放器
4.JODConverter
<dependency>
<groupId>com.artofsolving</groupId>
<artifactId>jodconverter</artifactId>
<version>2.2.1</version>
</dependency>
fileUpload.jsp
<%@ 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>文档在线预览系统</title> <style> body {margin-top:100px;background:#fff;font-family: Verdana, Tahoma;} a {color:#CE4614;} #msg-box {color: #CE4614; font-size:0.9em;text-align:center;} #msg-box .logo {border-bottom:5px solid #ECE5D9;margin-bottom:20px;padding-bottom:10px;} #msg-box .title {font-size:1.4em;font-weight:bold;margin:0 0 30px 0;} #msg-box .nav {margin-top:20px;} </style> </head> <body> <div id="msg-box"> <form name="form1" method="post" enctype="multipart/form-data" action="../doctopdf/submit"> <div class="title"> 请上传要处理的文件，过程可能需要几分钟，请稍候片刻。 </div> <p> <input name="file" type="file"> </p> <p> <input type="submit" name="Submit" value="上传"> </p> </form > </div> </body> </html>
上传方法有2种
cos组建
docUploadConvertAction.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <%@page import="java.io.*"%> <%@page import="java.util.Enumeration"%> <%@page import="com.oreilly.servlet.MultipartRequest"%> <%@page import="com.oreilly.servlet.multipart.DefaultFileRenamePolicy"%> <%@page import="filetest.DocConverter"%> <% //文件上传采用cos组件上传，可更换为commons-fileupload上传，文件上传后，保存在upload文件夹 //获取文件上传路径 String saveDirectory =application.getRealPath("/")+"upload"; //打印上传路径信息 System.out.println(saveDirectory); //每个文件最大50m int maxPostSize = 50 * 1024 * 1024 ; //采用cos缺省的命名策略，重名后加1,2,3...如果不加dfp重名将覆盖 DefaultFileRenamePolicy dfp = new DefaultFileRenamePolicy(); //response的编码为"UTF-8",同时采用缺省的文件名冲突解决策略,实现上传,如果不加dfp重名将覆盖 MultipartRequest multi = new MultipartRequest(request, saveDirectory, maxPostSize,"UTF-8",dfp); //MultipartRequest multi = new MultipartRequest(request, saveDirectory, maxPostSize,"UTF-8"); //输出反馈信息 Enumeration files = multi.getFileNames(); while (files.hasMoreElements()) { System.err.println("ccc"); String name = (String)files.nextElement(); File f = multi.getFile(name); if(f!=null){ String fileName = multi.getFilesystemName(name); //获取上传文件的扩展名 String extName=fileName.substring(fileName.lastIndexOf(".")+1); //文件全路径 String lastFileName= saveDirectory+"\\" + fileName; //获取需要转换的文件名,将路径名中的'\'替换为'/' String converfilename = saveDirectory.replaceAll("\\\\", "/")+"/"+fileName; System.out.println(converfilename); //调用转换类DocConverter,并将需要转换的文件传递给该类的构造方法 DocConverter d = new DocConverter(converfilename); //调用conver方法开始转换，先执行doc2pdf()将office文件转换为pdf;再执行pdf2swf()将pdf转换为swf; d.conver(); //调用getswfPath()方法，打印转换后的swf文件路径 System.out.println(d.getswfPath()); //生成swf相对路径，以便传递给flexpaper播放器 String swfpath = "upload"+d.getswfPath().substring(d.getswfPath().lastIndexOf("/")); System.out.println(swfpath); //将相对路径放入sessio中保存 session.setAttribute("swfpath", swfpath); out.println("上传的文件:"+lastFileName); out.println("文件类型"+extName); out.println("<hr>"); } } %> <!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>Insert title here</title> <style> body {margin-top:100px;background:#fff;font-family: Verdana, Tahoma;} a {color:#CE4614;} #msg-box {color: #CE4614; font-size:0.9em;text-align:center;} #msg-box .logo {border-bottom:5px solid #ECE5D9;margin-bottom:20px;padding-bottom:10px;} #msg-box .title {font-size:1.4em;font-weight:bold;margin:0 0 30px 0;} #msg-box .nav {margin-top:20px;} </style> </head> <body> <div> <form name="viewForm" id="form_swf" action="documentView.jsp" method="POST"> <input type='submit' value='预览' class='BUTTON SUBMIT'/> </form> </div> </body> </html>
documentView.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <% String swfFilePath=session.getAttribute("swfpath").toString(); %> <!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"> <script type="text/javascript" src="js/jquery.js"></script> <script type="text/javascript" src="js/flexpaper_flash.js"></script> <script type="text/javascript" src="js/flexpaper_flash_debug.js"></script> <style type="text/css" media="screen"> html, body { height:100%; } body { margin:0; padding:0; overflow:auto; } #flashContent { display:none; } </style> <title>文档在线预览系统</title> </head> <body> <div style="position:absolute;left:50px;top:10px;"> <a id="viewerPlaceHolder" style="width:820px;height:650px;display:block"></a> <script type="text/javascript"> var fp = new FlexPaperViewer( 'FlexPaperViewer', 'viewerPlaceHolder', { config : { SwfFile : escape('<%=swfFilePath%>'), 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 : 'SinglePage', ViewModeToolsVisible : true, ZoomToolsVisible : true, NavToolsVisible : true, CursorToolsVisible : true, SearchToolsVisible : true, localeChain: 'en_US' }}); </script> </div> </body> </html>
普通上传
docUploadConvertAction.jsp
<%@ 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>Insert title here</title> <style> body {margin-top:100px;background:#fff;font-family: Verdana, Tahoma;} a {color:#CE4614;} #msg-box {color: #CE4614; font-size:0.9em;text-align:center;} #msg-box .logo {border-bottom:5px solid #ECE5D9;margin-bottom:20px;padding-bottom:10px;} #msg-box .title {font-size:1.4em;font-weight:bold;margin:0 0 30px 0;} #msg-box .nav {margin-top:20px;} </style> </head> <body> <div> <form name="viewForm" id="form_swf" action="../doctopdf/look" method="POST"> <input type='submit' value='预览' class='BUTTON SUBMIT'/> </form> </div> </body> </html>
后台方法：
controller：
/** * 上传文件 */ @RequestMapping("/submit") public ModelAndView upload(@RequestParam("file") MultipartFile file, HttpServletRequest request) throws Exception { if (file.isEmpty()) { throw new RRException("上传文件不能为空"); } //上传文件 Map<String,Object> map = uService.upload(file,request); ModelAndView mav = new ModelAndView(); mav.addObject("url",map.get("url")); mav.addObject("fileName",map.get("fileName")); mav.addObject("swfpath",map.get("swfpath")); mav.setViewName("doc/docUploadConvertAction.jsp"); request.getSession().setAttribute("swfpath",map.get("swfpath")); return mav; }
serviceImpl
@Override public String getPath() { String userId = ShiroUtils.getUserId(); UserEntity sysUserEntity = userDao.queryObject(userId); String userNo = sysUserEntity.getLoginName(); //文件路径 String path = userNo + "/" + DateUtils.format(new Date(), "yyyyMMdd"); return path; } @Override public Map<String,Object> upload(MultipartFile file, HttpServletRequest request) throws Exception { String Name = file.getOriginalFilename(); //获取上传文件的扩展名 String extName=Name.substring(Name.lastIndexOf(".")); String fileName = String.valueOf(new Date().getTime()/1000)+extName; String path = request.getSession().getServletContext().getRealPath("upload") +"/"+ this.getPath(); File targetFile = new File(path, fileName); if (!targetFile.exists()) { targetFile.mkdirs(); } file.transferTo(targetFile); String filepath = String.valueOf(targetFile); String url = request.getRequestURL().toString().replace(request.getRequestURI(),"")+request.getContextPath()+"/upload/"+this.getPath()+"/"+fileName; int a = url.lastIndexOf(fileName); String b = url.substring(0,a-1); //调用转换类DocConverter,并将需要转换的文件传递给该类的构造方法 DocConverter d = new DocConverter(filepath); //调用conver方法开始转换，先执行doc2pdf()将office文件转换为pdf;再执行pdf2swf()将pdf转换为swf; d.conver(); //调用getswfPath()方法，打印转换后的swf文件路径 System.out.println(d.getswfPath()); //生成swf相对路径，以便传递给flexpaper播放器 String swfpath = b+d.getswfPath().substring(d.getswfPath().lastIndexOf("/")); FileEntity fileEntity = new FileEntity(); fileEntity.setId(Utils.uuid()); fileEntity.setCreateTime(new Date()); fileEntity.setCreateUser(ShiroUtils.getUserId()); fileEntity.setFileName(fileName); fileEntity.setFileUrl(url); fileEntity.setStatus(0); fileDao.save(fileEntity); Map<String,Object> map = new HashMap<String,Object>(); map.put("url",url); map.put("fileName",fileName); map.put("swfpath",swfpath); return map; }
documentView.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <% String swfFilePath=session.getAttribute("swfpath").toString(); %> <!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"> <script type="text/javascript" src="${webRoot}/statics/js/pdf/jquery.js"></script> <script type="text/javascript" src="${webRoot}/statics/js/pdf/flexpaper_flash.js"></script> <script type="text/javascript" src="${webRoot}/statics/js/pdf/flexpaper_flash_debug.js"></script> <style type="text/css" media="screen"> html, body { height:100%; } body { margin:0; padding:0; overflow:auto; } #flashContent { display:none; } </style> <title>文档在线预览系统</title> </head> <body> <div style="position:absolute;left:50px;top:10px;"> <a id="viewerPlaceHolder" style="width:820px;height:650px;display:block"></a> <script type="text/javascript"> var fp = new FlexPaperViewer( '${webRoot}/statics/js/pdf/FlexPaperViewer', 'viewerPlaceHolder', { config : { SwfFile : escape('<%=swfFilePath%>'), 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 : 'SinglePage', ViewModeToolsVisible : true, ZoomToolsVisible : true, NavToolsVisible : true, CursorToolsVisible : true, SearchToolsVisible : true, localeChain: 'en_US' }}); </script> </div> </body> </html>
转换类：
package filetest; import java.io.BufferedInputStream; import java.io.File; import java.io.IOException; import java.io.InputStream; 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; /** * doc docx格式转换 */ public class DocConverter { private static final int environment = 1;// 环境 1：windows 2:linux private String fileString;// (只涉及pdf2swf路径问题) private String outputPath = "";// 输入路径 ，如果不设置就输出在默认的位置 private String fileName; private File pdfFile; private File swfFile; private File docFile; public DocConverter(String fileString) { ini(fileString); } /** * 重新设置file * * @param fileString */ public void setFile(String fileString) { ini(fileString); } /** * 初始化 * * @param fileString */ private void ini(String fileString) { this.fileString = fileString; fileName = fileString.substring(0, fileString.lastIndexOf(".")); docFile = new File(fileString); pdfFile = new File(fileName + ".pdf"); swfFile = new File(fileName + ".swf"); } /** * 转为PDF * * @param file */ private void doc2pdf() throws Exception { if (docFile.exists()) { if (!pdfFile.exists()) { OpenOfficeConnection connection = new SocketOpenOfficeConnection(8100); try { connection.connect(); DocumentConverter converter = new OpenOfficeDocumentConverter(connection); converter.convert(docFile, pdfFile); // close the connection connection.disconnect(); System.out.println("****pdf转换成功，PDF输出：" + pdfFile.getPath()+ "****"); } catch (java.net.ConnectException e) { e.printStackTrace(); System.out.println("****swf转换器异常，openoffice服务未启动！****"); throw e; } catch (com.artofsolving.jodconverter.openoffice.connection.OpenOfficeException e) { e.printStackTrace(); System.out.println("****swf转换器异常，读取转换文件失败****"); throw e; } catch (Exception e) { e.printStackTrace(); throw e; } } else { System.out.println("****已经转换为pdf，不需要再进行转化****"); } } else { System.out.println("****swf转换器异常，需要转换的文档不存在，无法转换****"); } } /** * 转换成 swf */ @SuppressWarnings("unused") private void pdf2swf() throws Exception { Runtime r = Runtime.getRuntime(); if (!swfFile.exists()) { if (pdfFile.exists()) { if (environment == 1) {// windows环境处理 try { Process p = r.exec("D:/pdf2swf/pdf2swf.exe "+ pdfFile.getPath() + " -o "+ swfFile.getPath() + " -T 9"); //Process p=new Process(); System.out.print(loadStream(p.getInputStream())); System.err.print(loadStream(p.getErrorStream())); System.out.print(loadStream(p.getInputStream())); System.err.println("****swf转换成功，文件输出：" + swfFile.getPath() + "****"); if (pdfFile.exists()) { pdfFile.delete(); } } catch (IOException e) { e.printStackTrace(); throw e; } } else if (environment == 2) {// linux环境处理 try { Process p = r.exec("pdf2swf " + pdfFile.getPath() + " -o " + swfFile.getPath() + " -T 9"); System.out.print(loadStream(p.getInputStream())); System.err.print(loadStream(p.getErrorStream())); System.err.println("****swf转换成功，文件输出：" + swfFile.getPath() + "****"); if (pdfFile.exists()) { pdfFile.delete(); } } catch (Exception e) { e.printStackTrace(); throw e; } } } else { System.out.println("****pdf不存在,无法转换****"); } } else { System.out.println("****swf已经存在不需要转换****"); } } static String loadStream(InputStream in) throws IOException { int ptr = 0; in = new BufferedInputStream(in); StringBuffer buffer = new StringBuffer(); while ((ptr = in.read()) != -1) { buffer.append((char) ptr); } return buffer.toString(); } /** * 转换主方法 */ @SuppressWarnings("unused") public boolean conver() { if (swfFile.exists()) { System.out.println("****swf转换器开始工作，该文件已经转换为swf****"); return true; } if (environment == 1) { System.out.println("****swf转换器开始工作，当前设置运行环境windows****"); } else { System.out.println("****swf转换器开始工作，当前设置运行环境linux****"); } try { doc2pdf(); pdf2swf(); } catch (Exception e) { e.printStackTrace(); return false; } if (swfFile.exists()) { return true; } else { return false; } } /** * 返回文件路径 * * @param s */ public String getswfPath() { if (swfFile.exists()) { String tempString = swfFile.getPath(); tempString = tempString.replaceAll("\\\\", "/"); return tempString; } else { return ""; } } /** * 设置输出路径 */ public void setOutputPath(String outputPath) { this.outputPath = outputPath; if (!outputPath.equals("")) { String realName = fileName.substring(fileName.lastIndexOf("/"), fileName.lastIndexOf(".")); if (outputPath.charAt(outputPath.length()) == '/') { swfFile = new File(outputPath + realName + ".swf"); } else { swfFile = new File(outputPath + realName + ".swf"); } } } }
运行
