SSH.rar_ssh

package cn.itcast.service.impl; import java.util.List; import javax.annotation.Resource; import org.hibernate.SessionFactory; import org.springframework.transaction.annotation.Propagation; import org.springframework.transaction.annotation.Transactional; import cn.itcast.bean.Person; import cn.itcast.service.PersonService; @Transactional public class PersonServiceBean implements PersonService { //按名称来找 @Resource private SessionFactory sessionFactory; public void save(Person person){ sessionFactory.getCurrentSession().persist(person); } //person为游离状态。 public void update(Person person){ sessionFactory.getCurrentSession().merge(person); } //按id来得到person @Transactional(propagation=Propagation.NOT_SUPPORTED,readOnly=true) public Person getPerson(Integer personid){ return (Person)sessionFactory.getCurrentSession().get(Person.class, personid); } //按ID来DELETE DATA public void delete(Integer personid){ sessionFactory.getCurrentSession().delete( sessionFactory.getCurrentSession().load(Person.class, personid) ); } // get all person @Transactional(propagation=Propagation.NOT_SUPPORTED,readOnly=true) @SuppressWarnings("unchecked") public List<Person> getPersons(){ return sessionFactory.getCurrentSession().createQuery("from Person").list(); } }