级联显示(树形，下拉列表)

package com.zshome_admin.hbm; import java.util.List; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.hibernate.LockMode; import org.hibernate.Query; import org.hibernate.criterion.Example; /** * A data access object (DAO) providing persistence and search support for * Secondtype entities. Transaction control of the save(), update() and delete() * operations can directly support Spring container-managed transactions or they * can be augmented to handle user-managed Spring transactions. Each of these * methods provides additional information for how to configure it for the * desired type of transaction control. * * @see com.zshome_admin.hbm.Secondtype * @author MyEclipse Persistence Tools */ public class SecondtypeDAO extends BaseHibernateDAO { private static final Log log = LogFactory.getLog(SecondtypeDAO.class); // property constants public static final String TYPE_NAME = "typeName"; public static final String PARENT_ID = "parentId"; public static final String SCALE = "scale"; public static final String SECONDMODE = "secondmode"; public void save(Secondtype transientInstance) { log.debug("saving Secondtype instance"); try { getSession().save(transientInstance); log.debug("save successful"); } catch (RuntimeException re) { log.error("save failed", re); throw re; } } public void delete(Secondtype persistentInstance) { log.debug("deleting Secondtype instance"); try { getSession().delete(persistentInstance); log.debug("delete successful"); } catch (RuntimeException re) { log.error("delete failed", re); throw re; } } public Secondtype findById(java.lang.Integer id) { log.debug("getting Secondtype instance with id: " + id); try { Secondtype instance = (Secondtype) getSession().get( "com.zshome_admin.hbm.Secondtype", id); return instance; } catch (RuntimeException re) { log.error("get failed", re); throw re; } } public List findByExample(Secondtype instance) { log.debug("finding Secondtype instance by example"); try { List results = getSession().createCriteria( "com.zshome_admin.hbm.Secondtype").add( Example.create(instance)).list(); 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 Secondtype instance with property: " + propertyName + ", value: " + value); try { String queryString = "from Secondtype as model where model." + propertyName + "= ?"; Query queryObject = getSession().createQuery(queryString); queryObject.setParameter(0, value); return queryObject.list(); } catch (RuntimeException re) { log.error("find by property name failed", re); throw re; } } public List findByTypeName(Object typeName) { return findByProperty(TYPE_NAME, typeName); } public List findByParentId(Object parentId) { return findByProperty(PARENT_ID, parentId); } public List findByScale(Object scale) { return findByProperty(SCALE, scale); } public List findBySecondmode(Object secondmode) { return findByProperty(SECONDMODE, secondmode); } public List findAll() { log.debug("finding all Secondtype instances"); try { String queryString = "from Secondtype"; Query queryObject = getSession().createQuery(queryString); return queryObject.list(); } catch (RuntimeException re) { log.error("find all failed", re); throw re; } } public Secondtype merge(Secondtype detachedInstance) { log.debug("merging Secondtype instance"); try { Secondtype result = (Secondtype) getSession().merge( detachedInstance); log.debug("merge successful"); return result; } catch (RuntimeException re) { log.error("merge failed", re); throw re; } } public void attachDirty(Secondtype instance) { log.debug("attaching dirty Secondtype instance"); try { getSession().saveOrUpdate(instance); log.debug("attach successful"); } catch (RuntimeException re) { log.error("attach failed", re); throw re; } } public void attachClean(Secondtype instance) { log.debug("attaching clean Secondtype instance"); try { getSession().lock(instance, LockMode.NONE); log.debug("attach successful"); } catch (RuntimeException re) { log.error("attach failed", re); throw re; } } }