Hibernate addentity method: Associate alias with entity class
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Java
Grammar 1
addEntity(Class entityClass)
Example
Session session = sessionFactory.openSession(); //定义Sesssion对象 String sql = "select*from tb_user"; //定义查询tb_user表对象 List list = null; List rtnList = new ArrayList(); //定义保存查询结果的List对象 try{ sqlQuery query = session.createsqlQuery(sql); query.addEntity(UserForm.class); //绑定实体类 list = query.list(); //执行查询语句获取查询结果集 }catch(Exception e){ System.out.println("查询用户信息时的错误信息:"+e.getMessage()); }
Grammar 2
addEntity(String alias,Class entityClass)
Example
Session session=sessionFactory.openSession(); //定义Session对象 String sql = "select{u.*}from tb_user u where u.username='wgh'"; //定义查询语句 List list = null; List rtnList = new ArrayList(); //定义保存查询结果的集合对象 try{ sqlQuery query = session.createsqlQuery(sql); //执行查询语句 query.addEntity("u",UserForm.class); //绑定数据表与实体类 list = query.list();//执行查询语句 }catch(Exception e){ System.out.println("查询用户信息时的错误信息:"+e.getMessage()); }
Grammar 3
addEntity(String entityName)
Example
Session session = sessionFactory.openSession(); //创建Session对象 String sql = "select*from tb_user where username='sk'"; //定义查询语句 List list = null; List rtnList = new ArrayList(); //定义保存查询结果的集合对象 try{ sqlQuery query = session.createsqlQuery(sql); query.addEntity("com.model.UserForm"); //绑定实体类 list = query.list(); }catch(Exception e){ System.out.println("查询用户信息时的错误信息:"+e.getMessage()); }
Example
Session session = sessionFactory.openSession(); //定义Session对象 String sql = "select{u.*}from tb_user u where u.username='wgh'"; //定义查询语句 sqlQuery query = session.createsqlQuery(sql); //执行查询 query.addEntity("u","com.model.UserForm"); //绑定参数 List list = query.list();
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