spring ＋struts + hibernate 例子

package springdao; import java.util.List; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.hibernate.LockMode; import org.springframework.context.ApplicationContext; import org.springframework.orm.hibernate3.support.HibernateDaoSupport; /** * Data access object (DAO) for domain model class Bbsuser. * * @see springdao.Bbsuser * @author MyEclipse Persistence Tools */ public class BbsuserDAO extends HibernateDaoSupport { private static final Log log = LogFactory.getLog(BbsuserDAO.class); // property constants public static final String USERNAME = "username"; public static final String PASSWORD = "password"; public static final String AGE = "age"; protected void initDao() { // do nothing } public void save(Bbsuser transientInstance) { log.debug("saving Bbsuser instance"); try { getHibernateTemplate().save(transientInstance); log.debug("save successful"); } catch (RuntimeException re) { log.error("save failed", re); throw re; } } public void delete(Bbsuser persistentInstance) { log.debug("deleting Bbsuser instance"); try { getHibernateTemplate().delete(persistentInstance); log.debug("delete successful"); } catch (RuntimeException re) { log.error("delete failed", re); throw re; } } public Bbsuser findById(java.lang.Integer id) { log.debug("getting Bbsuser instance with id: " + id); try { Bbsuser instance = (Bbsuser) getHibernateTemplate().get( "springdao.Bbsuser", id); return instance; } catch (RuntimeException re) { log.error("get failed", re); throw re; } } public List findByExample(Bbsuser instance) { log.debug("finding Bbsuser instance by example"); try { List results = getHibernateTemplate().findByExample(instance); log.debug("find by example successful, result size: " + results.size()); return results; } catch (RuntimeException re) { log.error("find by example failed", re); throw re; } } public List findByProperty(String propertyName, Object value) { log.debug("finding Bbsuser instance with property: " + propertyName + ", value: " + value); try { String queryString = "from Bbsuser as model where model." + propertyName + "= ?"; return getHibernateTemplate().find(queryString, value); } catch (RuntimeException re) { log.error("find by property name failed", re); throw re; } } public List findByUsername(Object username) { return findByProperty(USERNAME, username); } public List findByPassword(Object password) { return findByProperty(PASSWORD, password); } public List findByAge(Object age) { return findByProperty(AGE, age); } public List findAll() { log.debug("finding all Bbsuser instances"); try { String queryString = "from Bbsuser"; return getHibernateTemplate().find(queryString); } catch (RuntimeException re) { log.error("find all failed", re); throw re; } } public Bbsuser merge(Bbsuser detachedInstance) { log.debug("merging Bbsuser instance"); try { Bbsuser result = (Bbsuser) getHibernateTemplate().merge( detachedInstance); log.debug("merge successful"); return result; } catch (RuntimeException re) { log.error("merge failed", re); throw re; } } public void attachDirty(Bbsuser instance) { log.debug("attaching dirty Bbsuser instance"); try { getHibernateTemplate().saveOrUpdate(instance); log.debug("attach successful"); } catch (RuntimeException re) { log.error("attach failed", re); throw re; } } public void attachClean(Bbsuser instance) { log.debug("attaching clean Bbsuser instance"); try { getHibernateTemplate().lock(instance, LockMode.NONE); log.debug("attach successful"); } catch (RuntimeException re) { log.error("attach failed", re); throw re; } } public static BbsuserDAO getFromApplicationContext(ApplicationContext ctx) { return (BbsuserDAO) ctx.getBean("BbsuserDAO"); } }