public String queryCodeIsEmpty(String json) throws Exception {

    User user = ActionContext.getCurrentUserInThread();
    SgPersonLibraryVO vo = new SgPersonLibraryVO();
    String domresult = null;
    try {
      domresult = sgPersonLibraryDao.queryCodeIsEmpty(json);
      LogManager.writeUserLog(
          vo.getSg_person_library_uid(),
          ywlx,
          Globals.OPERATION_TYPE_DELETE,
          LogManager.RESULT_SUCCESS,
          user.getName() + "施工人员信息-根据条件查询是否为空-数据查询成功",
          user,
          "",
          "");

    } catch (DaoException e) {
      logger.error("表单信息{}", e.getMessage());
      LogManager.writeUserLog(
          vo.getSg_person_library_uid(),
          ywlx,
          Globals.OPERATION_TYPE_DELETE,
          LogManager.RESULT_FAILURE,
          user.getName() + "施工人员信息-根据条件查询是否为空-数据查询失败",
          user,
          "",
          "");
      SystemException.handleMessageException("施工人员信息-根据条件查询是否为空-数据查询失败,请联系相关人员处理");
    } finally {
    }
    return domresult;
  }