在线预览PDF/SWF

在线预览pdf/swf

openoffice 将上传文件转为.pdf------------->pdf2swf软件将pdf转为.swf

转pdf

 Java Code 

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// 启动OpenOffice的服务
String command = this.openOffice;
command += "soffice.exe -headless -accept=\"socket,host=127.0.0.1,port=8100;urp;\" -nofirststartwizard";
Runtime.getRuntime().exec(command);
try
{
    OpenOfficeConnection connection = new SocketOpenOfficeConnection("127.0.0.1", 8100);
    connection.connect();
    DocumentConverter converter = new OpenOfficeDocumentConverter(connection);
    converter.convert(docFile, pdfFile);
    connection.disconnect();
    System.out.println("****pdf转换成功，PDF输出：" + pdfFile.getPath() + "****");
}
catch (java.net.ConnectException e)
{
    e.printStackTrace();
    throw e;
}
catch (com.artofsolving.jodconverter.openoffice.connection.OpenOfficeException e)
{
    e.printStackTrace();
    throw e;
}
catch (Exception e)
{
    e.printStackTrace();
    throw e;
}

转swf

 Java Code 

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try
{
    Process p = r.exec(this.swf + " " + pdfFile.getPath() + " -o " + swfFile.getPath() + " -T 9");
    System.err.println("****swf转换成功，文件输出："   + swfFile.getPath() + "****");
    try
    {
        p.waitFor();
    }
    catch (Exception e)
    {
        e.printStackTrace();
    }
}
catch (IOException e)
{
    e.printStackTrace();
    throw e;
}

前段页面FlexPaperViewer展示：

<script type="text/javascript" src="#{contextPath}/js/flexpaper_flash.js?version=#{springProperty.version}"></script>  

 HTML Code 

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<div style="position:fixed;left:1px;top:1px;overflow: hidden;width:100%;height:100%">
  <a id="viewerPlaceHolder" name="viewerPlaceHolder"></a> <script type="text/javascript">
//<![CDATA[
  var fp = new FlexPaperViewer(   
     'FlexPaperViewer',
     'viewerPlaceHolder', { config : {
     SwfFile : escape('#{oneReportManagerAction.showLocation}'),
     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>

采用pdfObject 显示PDF

 Java Code 

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/**
     * @param sourceFile
     * @param destFile
     * @return
     *
     * 1：最终
     * 0：转换成功
     * -1:文件不存在
     * -2：文件不能生成pdf,提供预览
     * -3：文件路径错误
     */
public String convertPDF(String sourceFile, String destFile)
{
    //check file
    if(StringUtils.isNotBlank(sourceFile) && StringUtils.isNotBlank(destFile))
    {
        try
        {
            String sr_suffix = sourceFile.substring(sourceFile.lastIndexOf(".") + 1);
            String de_suffix = destFile.substring(destFile.lastIndexOf(".") + 1);
            if(!de_suffix.equals(PDF_POSTFIX))
            {
                return "目的文件路径不对";
            }

            if(!Arrays.asList(OFFICE_POSTFIXS).contains(sr_suffix))
            {
                return "源文件路径不对,不是合法文件格式 (doc, docx, xls, xlsx, ppt, pptx) 请尝试下载阅览";
            }
        }
        catch (Exception e)
        {
            return "error";
        }
    }

    Process pro = null;
    OpenOfficeConnection connection = null;
    File inputFile = null;
    File outputFile = null;
    try
    {
        inputFile = new File(sourceFile);
        if (!inputFile.exists())
        {
            return "没找到文件";// 文件不存在
        }

        // 文件夹不存在创建目录
        outputFile = new File(destFile);
        if (!outputFile.getParentFile().exists())
        {
            outputFile.getParentFile().mkdirs();
        }

        // 启动OpenOffice的服务
        String command = fa_InvestListService.getOpenOfficPath();
        if( !new File(command).exists())
        {
            return "没有安装OpenOffice software";
        }

        command += "soffice.exe -headless -accept=\"socket,host=127.0.0.1,port=8100;urp;\" -nofirststartwizard";
        pro = Runtime.getRuntime().exec(command);

        // connect to an OpenOffice.org instance running on port 8100
        connection = new SocketOpenOfficeConnection("127.0.0.1", 8100);
        try
        {
            connection.connect();
            // convert
            DocumentConverter converter = new OpenOfficeDocumentConverter(connection);
            converter.convert(inputFile, outputFile);
            return "success";
        }
        catch (Exception e)
        {
            return "链接OpenOffix 服务失败;" + e.getMessage();
        }
    }
    catch (FileNotFoundException e)
    {
        return "没找到文件";
    }
    catch(Exception e)
    {
        return "转换pdf错误";
    }
    finally
    {
        if (connection != null)
        {
            // close the connection
            try
            {
                connection.disconnect();
            }
            catch (Exception e)
            {
                // if start windows service failed at first time , this code will try to start agin
                String command = fa_InvestListService.getOpenOfficPath();
                if( !new File(command).exists())
                {
                    return "没有安装OpenOffice software";
                }

                command += "soffice.exe -headless -accept=\"socket,host=127.0.0.1,port=8100;urp;\" -nofirststartwizard";
                try
                {
                    pro = Runtime.getRuntime().exec(command);
                    connection = new SocketOpenOfficeConnection("127.0.0.1", 8100);
                    connection.connect();
                }
                catch (Exception e1)
                {
                }
                DocumentConverter converter = new OpenOfficeDocumentConverter(connection);
                converter.convert(inputFile, outputFile);
                connection.disconnect();
                if (pro != null)
                {
                    pro.destroy();
                    log.info("{exception---pro.destry}");
                }
                return "success";
            }
        }
        // 关闭OpenOffice服务的进程
        if (pro != null)
        {
            pro.destroy();
            log.info("{normal---pro.destry}");
        }
    }

}


@RequestMapping("/viewUploadFile")
public void viewUploadFile(@RequestParam(value = "modelId", required = true) Long modelId,
                           HttpServletRequest request, HttpServletResponse response) throws IOException
{
    String result = null;
    boolean isWindows = false;
    String os = System.getProperty("os.name");
    if(StringUtils.isNotBlank(os) && os.toLowerCase().contains("windows"))
    {
        isWindows = true;
    }
    else
    {
        isWindows = false;
        result = "不是windows系统，无法提供OpenOffice 转换功能";
    }

    if (modelId != null && isWindows)
    {
        FA_InvestList fl = fa_InvestListService.findById(modelId);
        String filePath = fl.getFilePath();
        log.info(filePath + "文件正在预览");

        String pdf = request.getSession().getServletContext().getRealPath("/pdf");
        String opdf = pdf + "\\temp.pdf";

        result = convertPDF(filePath, opdf);

        if(result.equals("success"))
        {
            try
            {
                response.setContentType("text/html; charset=utf-8");
                response.setCharacterEncoding("utf-8");
                String projectName = request.getSession().getServletContext().getContextPath();
                String url = request.getRequestURL().toString();
                url = url.substring(0, url.lastIndexOf("/"));

                StringBuffer html = new StringBuffer();
                html.append("<html>");
                html.append("<head>");
                html.append("<meta http-equiv='Content-Type' content='text/html; charset=UTF-8'>");
                html.append("<title>在线预览</title> ");
                html.append(" <script type='text/javascript' src='" + projectName + "/js/pdfobject.js'></script>");
                html.append("<script type='text/javascript'>");
                html.append("window.onload = function (){");
                html.append(" var success = new PDFObject({ url: '" + url + "/pdf/temp.pdf'}).embed();");
                html.append(" };");
                html.append("</script>");
                html.append("</head>");
                html.append("<body>");
                html.append("</body>");
                html.append("</html>");
                response.getWriter().write(html.toString());
            }
            catch (Exception e)
            {
                response.setContentType("text/html; charset=utf-8");
                response.setCharacterEncoding("utf-8");
                String content = new String("<html><span style='font-style:25px;font-weight:bold;'>so sorry! Document Don't find(文件没有找到...)</span></html>");
                response.getWriter().write(content);
            }
        }
        else
        {
            response.setContentType("text/html; charset=utf-8");
            response.setCharacterEncoding("utf-8");
            String content = new String("<html><span style='font-style:25px;font-weight:bold;'>" + result + "</span></html>");
            response.getWriter().write(content);
        }

    }
    else
    {
        response.setContentType("text/html; charset=utf-8");
        response.setCharacterEncoding("utf-8");
        String content = new String("<html><span style='font-style:25px;font-weight:bold;'>" + result + "</span></html>");
        response.getWriter().write(content);
    }
}