导出下载备份

//导出下载方法
                    long time = System.currentTimeMillis();
                    String realpath1 = this.getClass().getClassLoader().getResource("").getPath();// classes 目录的物理路径
                    String parent = new File(realpath1).getParent();// WEB-INF 目录的物理路径
                    String parent2 = new File(parent).getParent()+"/upload/files/"+time+"xbl.pdf";// WebRoot 目录的物理路径
                    String fileUrl = "./upload/files/"+time+"xbl.pdf";

                    //生成附件
                    File file = new File(parent2);
                    file.createNewFile();
                    //附件 存入附件表
                    TSAttachment tsAttachment = new TSAttachment();
                    if (org.jeecgframework.core.util.StringUtil.isNotEmpty(time+"xbl")) {
                        tsAttachment.setNote(time+"xbl");
                    }
                    tsAttachment.setExtend("pdf");
                    tsAttachment.setSubclassname(MyClassLoader.getPackPath(tsAttachment));
                    tsAttachment.setCreatedate(DateUtils.gettimestamp());
                    tsAttachment.setAttachmenttitle(time+"_print");
                    tsAttachment.setRealpath(fileUrl);
                    systemService.save(tsAttachment);

                    TSDocument document = new TSDocument();
                    document.setId(tsAttachment.getId());
                    systemService.save(document);

                    TSTypegroup tsTypegroup=systemService.getTypeGroup("fieltype","文档分类");
                    TSType tsType = systemService.getType("files","附件", tsTypegroup);


                    //设置其可在线预览
                    ReflectHelper reflectHelper = new ReflectHelper(tsAttachment);
                    reflectHelper.setMethodValue("swfpath", "upload/files/" + FileUtils.getFilePrefix(time+"xbl.pdf") + ".swf");
                    SwfToolsUtil.convert2SWF(parent2);

                    FileOutputStream out = new FileOutputStream(file);
                    out.write(byteStream.toByteArray());
                    out.close();

                    //用jeecg框架的方法下载刚刚生成的附件
                    UploadFile uploadFile = new UploadFile(request, response);
                    String contentfield = oConvertUtils.getString(request.getParameter("contentfield"), uploadFile.getByteField());
                    byte[] content = (byte[]) reflectHelper.getMethodValue(contentfield);
                    String extend = oConvertUtils.getString(reflectHelper.getMethodValue("extend"));
                    String attachmenttitle = oConvertUtils.getString(reflectHelper.getMethodValue("attachmenttitle"));
                    uploadFile.setExtend(extend);
                    uploadFile.setTitleField(attachmenttitle);
                    uploadFile.setRealPath(fileUrl);
                    uploadFile.setContent(content);
                    //uploadFile.setView(true);
                    systemService.viewOrDownloadFile(uploadFile);