ssh2+json+ajax显示用户列表

package com.entity; import java.util.List; import org.hibernate.LockMode; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.context.ApplicationContext; import org.springframework.orm.hibernate3.support.HibernateDaoSupport; /** * A data access object (DAO) providing persistence and search support for * Student 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.entity.Student * @author MyEclipse Persistence Tools */ public class StudentDAO extends HibernateDaoSupport { private static final Logger log = LoggerFactory.getLogger(StudentDAO.class); // property constants public static final String USERNAME = "username"; public static final String AGE = "age"; protected void initDao() { // do nothing } public void save(Student transientInstance) { log.debug("saving Student instance"); try { getHibernateTemplate().save(transientInstance); log.debug("save successful"); } catch (RuntimeException re) { log.error("save failed", re); throw re; } } public void delete(Student persistentInstance) { log.debug("deleting Student instance"); try { getHibernateTemplate().delete(persistentInstance); log.debug("delete successful"); } catch (RuntimeException re) { log.error("delete failed", re); throw re; } } public Student findById(java.lang.Integer id) { log.debug("getting Student instance with id: " + id); try { Student instance = (Student) getHibernateTemplate().get( "com.entity.Student", id); return instance; } catch (RuntimeException re) { log.error("get failed", re); throw re; } } public List findByExample(Student instance) { log.debug("finding Student 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 Student instance with property: " + propertyName + ", value: " + value); try { String queryString = "from Student 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 findByAge(Object age) { return findByProperty(AGE, age); } public List findAll() { log.debug("finding all Student instances"); try { String queryString = "from Student"; return getHibernateTemplate().find(queryString); } catch (RuntimeException re) { log.error("find all failed", re); throw re; } } public Student merge(Student detachedInstance) { log.debug("merging Student instance"); try { Student result = (Student) getHibernateTemplate().merge( detachedInstance); log.debug("merge successful"); return result; } catch (RuntimeException re) { log.error("merge failed", re); throw re; } } public void attachDirty(Student instance) { log.debug("attaching dirty Student instance"); try { getHibernateTemplate().saveOrUpdate(instance); log.debug("attach successful"); } catch (RuntimeException re) { log.error("attach failed", re); throw re; } } public void attachClean(Student instance) { log.debug("attaching clean Student instance"); try { getHibernateTemplate().lock(instance, LockMode.NONE); log.debug("attach successful"); } catch (RuntimeException re) { log.error("attach failed", re); throw re; } } public static StudentDAO getFromApplicationContext(ApplicationContext ctx) { return (StudentDAO) ctx.getBean("StudentDAO"); } }