ssh(strute1/2+hibernate3.2+spring2.5)配合的用户登陆注册

package com.yan.dao; 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; import com.yan.hib.Users; /** * A data access object (DAO) providing persistence and search support for Users * 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.yan.hib.Users * @author MyEclipse Persistence Tools */ public class UsersDAO extends HibernateDaoSupport implements IUserDao { private static final Log log = LogFactory.getLog(UsersDAO.class); // property constants public static final String USERNAME = "username"; public static final String PASSWORD = "password"; protected void initDao() { // do nothing } public void save(Users transientInstance) { log.debug("saving Users instance"); try { getHibernateTemplate().save(transientInstance); log.debug("save successful"); } catch (RuntimeException re) { log.error("save failed", re); throw re; } } public void delete(Users persistentInstance) { log.debug("deleting Users instance"); try { getHibernateTemplate().delete(persistentInstance); log.debug("delete successful"); } catch (RuntimeException re) { log.error("delete failed", re); throw re; } } public Users findById(java.lang.Integer id) { log.debug("getting Users instance with id: " + id); try { Users instance = (Users) getHibernateTemplate().get( "com.yan.hib.Users", id); return instance; } catch (RuntimeException re) { log.error("get failed", re); throw re; } } public List<Users> findByExample(Users instance) { log.debug("finding Users instance by example"); try { System.out.println(instance.getUsername()+":"+instance.getPassword()); 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 Users instance with property: " + propertyName + ", value: " + value); try { String queryString = "from Users 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 findAll() { log.debug("finding all Users instances"); try { String queryString = "from Users"; return getHibernateTemplate().find(queryString); } catch (RuntimeException re) { log.error("find all failed", re); throw re; } } public Users merge(Users detachedInstance) { log.debug("merging Users instance"); try { Users result = (Users) getHibernateTemplate().merge( detachedInstance); log.debug("merge successful"); return result; } catch (RuntimeException re) { log.error("merge failed", re); throw re; } } public void attachDirty(Users instance) { log.debug("attaching dirty Users instance"); try { getHibernateTemplate().saveOrUpdate(instance); log.debug("attach successful"); } catch (RuntimeException re) { log.error("attach failed", re); throw re; } } public void attachClean(Users instance) { log.debug("attaching clean Users instance"); try { getHibernateTemplate().lock(instance, LockMode.NONE); log.debug("attach successful"); } catch (RuntimeException re) { log.error("attach failed", re); throw re; } } public static UsersDAO getFromApplicationContext(ApplicationContext ctx) { return (UsersDAO) ctx.getBean("UsersDAO"); } }