Session sees=simpleDAO.getSessionFactory().openSession(); String sql = "select * from fhcb_08_tbl_user_right"; SQLQuery query = sees.createSQLQuery(sql); List<?> list = query.list(); for(Object o: list){ Object[]objects=(Object[])o; System.out.println((BigDecimal) objects[0]+ "::" + (String) objects[2]); }
其實hibernate查詢出來的結果集不能直接用,得到的是一個Object數組,里面每個obj其實都是一個實體類,遍歷拿到obj還不能直接當做實體對象操作,這個obj也是一個數組,元素順序就是數據庫字段順序,取到obj里面的元素需要類型強轉才能使用,正常操作。
如果類型拿不准,直接可以用objects[0].toString()方法取出里面的值。
對count的獲取方法 String sql = "SELECT COUNT(*) FROM fhcb_08_tbl_login_record WHERE USERNAME="+"'"+userName+"'"; Session sees=simpleDAO.getSessionFactory().openSession(); Query query = sees.createSQLQuery(sql).addScalar("COUNT(*)", StandardBasicTypes.INTEGER); int count=(Integer)query.uniqueResult();
1sess.createSQLQuery("SELECT NAME, BIRTHDATE FROM CATS") 2 .setResultTransformer(Transformers.aliasToBean(CatDTO.class)) 1String sql = "SELECT ID as {c.id}, NAME as {c.name}, " + 2 "BIRTHDATE as {c.birthDate}, MOTHER_ID as {c.mother}, {mother.*} " + 3 "FROM CAT_LOG c, CAT_LOG m WHERE {c.mother} = c.ID"; 4 5List loggedCats = sess.createSQLQuery(sql) 6 .addEntity("cat", Cat.class) 7 .addEntity("mother", Cat.class).list();