1，查处级联。
1 public Mchk findMchkOfFetch(String dwbh) throws DataAccessFailureException {
2 StringBuffer hql = new StringBuffer();
3 Map<String, Object> params = new HashMap<String, Object>();
4 hql.append("from Mchk mc left join fetch mc.mchkCredents mcs where 1 = 1");
5 if(!UtilHelper.isEmpty(dwbh)){
6 hql.append(" and mc.dwbh = :dwbh");
7 params.put("dwbh", dwbh);
8 }
9 return (Mchk) this.getSession().createQuery(hql.toString()).setProperties(params).uniqueResult();
10 }