一、目錄結構：





二、相關代碼：

<1>、DAO

package com.xh.hibernate.dao;

public interface DAO {

}

package com.xh.hibernate.dao;

import java.util.List;

import com.xh.hibernate.vo.User;

public interface UserDAO extends DAO {

??? public List getUsers();

??? public User getUser(Integer userId);

??? public void saveUser(User user);

??? public void removeUser(Integer userId);

???

??? public void updateUser(User user);

}

<3>、UserDAOImpl

package com.xh.hibernate.dao.impl;

import java.util.List;

import org.apache.commons.logging.Log;

import org.apache.commons.logging.LogFactory;

import org.springframework.orm.hibernate3.support.HibernateDaoSupport;

import com.xh.hibernate.dao.UserDAO;

import com.xh.hibernate.vo.User;

public class UserDAOImpl extends HibernateDaoSupport implements UserDAO {

??? private Log log = LogFactory.getLog(UserDAOImpl.class);

??? public List getUsers() {

??? ??? return getHibernateTemplate().find("from User");

??? }

??? public User getUser(Integer id) {

??? ??? return (User) getHibernateTemplate().get(User.class, id);

??? }

??? public void saveUser(User user) {

??? ??? getHibernateTemplate().saveOrUpdate(user);

?????? if (log.isDebugEnabled()) {

?????? ??? log.debug("userId set to: " + user.getId());

?????? }

??? }

??? public void removeUser(Integer id) {

??? ??? Object user = getHibernateTemplate().load(User.class, id);

??? ??? getHibernateTemplate().delete(user);

??? }

??? public void updateUser(User user) {

??? ??? getHibernateTemplate().update(user);

?????? if (log.isDebugEnabled()) {

?????? ??? log.debug("update set to: " + user.getId());

?????? }

??? }

???

}

轉載于:https://blog.51cto.com/maomao/20358

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