/**
  * 查询列表
  *
  * @param entity
  * @return
  */
 public ResultData list(Greade greade) {
   ResultData resultData = new ResultData();
   try {
     List<Greade> greadeList = greadeDao.selectList(greade);
     if (greadeList != null) {
       resultData.setStatus(IBaseService.SUCCESS);
       resultData.addObject("greadeList", greadeList);
     } else {
       resultData.setStatus(IBaseService.FAIL);
     }
   } catch (Exception e) {
     resultData.setStatusException(e.getMessage());
     e.printStackTrace();
   }
   return resultData;
 }
 /**
  * 查询单条数据
  *
  * @param entity
  * @return
  */
 public ResultData single(Greade greade) {
   ResultData resultData = new ResultData();
   try {
     Greade greadeTemp = greadeDao.selectOneById(greade);
     if (greadeTemp != null) {
       resultData.setStatus(IBaseService.SUCCESS);
       resultData.addObject("greade", greadeTemp);
     } else {
       resultData.setStatus(IBaseService.FAIL);
     }
   } catch (Exception e) {
     resultData.setStatusException(e.getMessage());
     e.printStackTrace();
   }
   return resultData;
 }