flexpaper在线预览问题java linux office文件在线预览的时候出现如图的问题,不能预览,求大神帮忙
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篇首语:本文由小常识网(cha138.com)小编为大家整理,主要介绍了flexpaper在线预览问题java linux office文件在线预览的时候出现如图的问题,不能预览,求大神帮忙相关的知识,希望对你有一定的参考价值。
参考技术A swftools-0.9.1.exe 和 FlexPaper_1.4.5_flash.zip,工具网上下载。二、PDF转换SWF文件核心类:
public class DocConverter
private static final int environment = 1;// 环境1:windows,2:linux(涉及pdf2swf路径问题)
private String fileString;
private String outputPath = "";// 输入路径,如果不设置就输出在默认位置
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
*/
/*
* 转换成swf
*/
private void pdf2swf() throws Exception
Runtime r = Runtime.getRuntime();
if (!swfFile.exists())
if (pdfFile.exists())
if (environment == 1)// windows环境处理
try
// 这里根据SWFTools安装路径需要进行相应更改
Process p = r.exec("G:/Program Files/SWFTools/pdf2swf.exe " + pdfFile.getPath() + " -o " + swfFile.getPath() + " -T 9");
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 (Exception 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已存在不需要转换****");
static String loadStream(InputStream in) throws IOException
int ptr = 0;
//把InputStream字节流 替换为BufferedReader字符流 2013-07-17修改
BufferedReader reader = new BufferedReader(new InputStreamReader(in));
StringBuilder buffer = new StringBuilder();
while ((ptr = reader.read()) != -1)
buffer.append((char) ptr);
return buffer.toString();
/*
* 转换主方法
*/
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)
// TODO: Auto-generated catch block
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");
三、JSP文件,注意引入的几个js文件和FlexPaperViewer.swf文件,其中FlexPaperViewer.swf和jsp文件放在同一目录即可。
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
String paths=(String)request.getAttribute("swfpath");
%>
<!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>te</title>
<style type="text/css" media="screen">
html, body height:100%;
body margin:0; padding:0; overflow:auto;
#flashContent display:none;
</style>
<script type="text/javascript" src="<%=basePath %>js/swfobject/swfobject.js"></script>
<script type="text/javascript" src="<%=basePath %>js/flexpaper_flash.js"></script>
<script type="text/javascript">
//<!-- For version detection, set to min. required Flash Player version, or 0 (or 0.0.0), for no version detection. -->
var swfVersionStr = "10.0.0";
//<!-- To use express install, set to playerProductInstall.swf, otherwise the empty string. -->
/* var xiSwfUrlStr = "playerProductInstall.swf"; */
var xiSwfUrlStr = ""; //值可以任意
var flashvars =
SwfFile : escape("<%=basePath+paths%>"), //swf文件路径(lucene4.6和页面同一个位置)
Scale : 0.6,
ZoomTransition : "easeOut",
ZoomTime : 0.5,
ZoomInterval : 0.1,
FitPageOnLoad : false,
FitWidthOnLoad : true,
PrintEnabled : true,
FullScreenAsMaxWindow : false,
ProgressiveLoading : true,
PrintToolsVisible : true,
ViewModeToolsVisible : true,
ZoomToolsVisible : true,
FullScreenVisible : true,
NavToolsVisible : true,
CursorToolsVisible : true,
SearchToolsVisible : true,
localeChain: "en_US"
;
var params =
params.quality = "high";
params.bgcolor = "#ffffff";
params.allowscriptaccess = "sameDomain";
params.allowfullscreen = "true";
var attributes = ;
attributes.id = "FlexPaperViewer";
attributes.name = "FlexPaperViewer";
swfobject.embedSWF(
"FlexPaperViewer.swf", "flashContent",
"1024", "700",
swfVersionStr, xiSwfUrlStr,
flashvars, params, attributes);
swfobject.createCSS("#flashContent", "display:block;text-align:center;");
</script>
</head>
<body>
<div style="width: 100%;height: 90%; text-align: center;">
<div id="flashContent">
</div>
</div>
</body>
</html>追问
额,我的类啥的都没有问题,刚开始的时候是正常的,后来就报了那个错
参考技术B 你解决了么 怎么解决的java实现附件预览(openoffice+swftools+flexpaper)
先附上本人参考的文章,基于的 flexpaper版本 为 1.5,本人由于使用的是 2.1.9 ,故之后说明:
已经支持加载中文文件名
代码下载
1.概述
主要原理
1.通过第三方工具openoffice,将word、excel、ppt、txt等文件转换为pdf文件
2.通过swfTools将pdf文件转换成swf格式的文件
3.通过FlexPaper文档组件在页面上进行展示
2.安装包下载
1.openoffice是Apache下的一个开放免费的文字处理软件
下载地址:Apache oppenoffice 官网下载 版本-3.4.1
2.SWFTools是一组用来处理Flash的swf文件的工具包,我们使用它将pdf文件转成swf文件!
下载地址:SWFTools官网下载 swftools-2013-04-09-1007.exe
3.FlexPaper是一个开源轻量级的在浏览器上显示各种文档的组件
4.JODConverter一个Java的OpenDocument 文件转换器,在此我们只用到它的jar包
下载地址:JODCConverter下载
3.安装文件
1.将所下载的文件(JODConverter除外)进行安装,盘符可随自己设定!需要注意的是在openoffice安装完成后,当我们使用它时,需将它的服务打开。在次我们需要以命令的方式打开:
打开dos窗口,进入openoffice安装盘符,输入以下代码来启动服务:
soffice -headless -accept="socket,host=127.0.0.1,port=8100;urp;" -nofirststartwizard
注意最后一个命令前边的‘—’,可不要写错!服务起不来,项目可是继续不下去的哦.
官网启动服务截图如下:
本地截图:
3.开发过程
1.新建项目,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),目录结构如下图:
注:需创建upload文件夹
2.创建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="docUploadConvertAction.jsp">
- <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="file1" type="file">
- </p>
- <p>
- <input type="submit" name="Submit" value="上传">
- </p>
- </form >
- </div>
- </body>
- </html>
3.创建转换页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="com.cectsims.util.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>
4.创建查看页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>
5.创建转换类DocConverter.java
- package com.cectsims.util;
- 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:/Program Files/SWFTools/pdf2swf.exe "+ pdfFile.getPath() + " -o "+ swfFile.getPath() + " -T 9");
- 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");
- }
- }
- }
- }
6.部署发布
启动tomcat,部署当前web应用
地址栏输入http://localhost:8080/ctcesims/documentUpload.jsp 如下图:
单击选择文件,选择您要上传的文档,然后单击上传,处理完成后,打印如下信息,如下图所示:
单击预览按钮,就会生成预览界面,如下图:
4.常见问题
若出现swf无法预览,请访问
http://www.macromedia.com/support/documentation/en/flashplayer/help/settings_manager04a.html#119065
将生成swf的文件夹设置为信任文件位置。
以下给出 flexpaper 2.1.9 的不同之处:初始化方式改变,若文件目录与项目目录不在一起,可将附件目录在服务器中设置为虚拟目录
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