/**根據模型ID匯出xml檔案
     * @param response
     * @param modelId    //模型ID
     * @from  fhadmin.cn
     */
    protected void exportXmlFromModelId(HttpServletResponse response, String modelId) throws Exception{
        Model modelData = repositoryService.getModel(modelId);  
        BpmnJsonConverter jsonConverter 
 
= new BpmnJsonConverter();  
        ObjectNode modelNode = (ObjectNode) new ObjectMapper().readTree(repositoryService.getModelEditorSource(modelData.getId()));
        BpmnModel bpmnModel = jsonConverter.convertToBpmnModel(modelNode);  
        BpmnXMLConverter xmlConverter = new BpmnXMLConverter();  
        
 
byte[] bpmnBytes = xmlConverter.convertToXML(bpmnModel);  
        ByteArrayInputStream in = new ByteArrayInputStream(bpmnBytes);  
        //IOUtils.copy(in, response.getOutputStream());  
        String filename = bpmnModel.getMainProcess().getId() + ".bpmn20.xml";  
        /*response.setHeader("Content-Disposition", "attachment; filename=" + filename);  
        response.flushBuffer(); 
 
*/
        FileUpload.copyFile(in,PathUtil.getProjectpath()+Const.FILEACTIVITI,filename);         //把檔案上傳到檔案目錄裡面
        FileDownload.fileDownload(response, PathUtil.getProjectpath()+Const.FILEACTIVITI+filename, filename);
        in.close();
    }
    
    /**根據模型ID預覽xml檔案
     * @param response
     * @param modelId    //模型ID
     * @from  fhadmin.org
     */
    protected String viewXmlFromModelId(String modelId) throws Exception{
        Model modelData = repositoryService.getModel(modelId);  
        BpmnJsonConverter jsonConverter = new BpmnJsonConverter();  
        ObjectNode modelNode = (ObjectNode) new ObjectMapper().readTree(repositoryService.getModelEditorSource(modelData.getId()));
        BpmnModel bpmnModel = jsonConverter.convertToBpmnModel(modelNode);  
        BpmnXMLConverter xmlConverter = new BpmnXMLConverter();  
        byte[] bpmnBytes = xmlConverter.convertToXML(bpmnModel);  
        ByteArrayInputStream in = new ByteArrayInputStream(bpmnBytes);  
        InputStreamReader isr = new InputStreamReader(in,"utf-8");
        BufferedReader bufferedReader = new BufferedReader(isr);
        StringBuffer xmlContent = new StringBuffer(); 
        String lineTxt = null;
        while ((lineTxt = bufferedReader.readLine()) != null) {
            xmlContent.append(lineTxt);
            xmlContent.append("\n");
        }
        isr.close();
        return xmlContent.toString();
    }
 

--------------------fhadmin.cn----------------------------------------------自定義表單
28. 定義模版：拖拽左側表單元素到右側區域，編輯表單元素，儲存表單模版
29. 表單模版：編輯維護表單模版，複製表單模版，修改模版型別，預覽表單模版
30. 我的表單：選擇表單模版，編輯表單規則，是否上傳圖片、附件、開啟富文字、掛靠流程開關等
31. 表單資料：從我的表單進去可增刪改查表單資料，修改表單規則
32. 掛靠記錄：記錄表單資料和流程例項ID關聯記錄，可刪除