userdao.java

JAVA +MySql小型用户管理系统 运用Strust+Spring+Hibernate 3框架 实现mvc jsp融合JavaScript+Ajax 技术 程序还有待完善

package com.test.struts.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.test.struts.domain.User;

/**
 * A data access object (DAO) providing persistence and search support for User
 * 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.test.struts.domain.User
 * @author MyEclipse Persistence Tools
 */

public class UserDao extends HibernateDaoSupport implements UserDaoImpl {
	private static final Log log = LogFactory.getLog(UserDao.class);
	// property constants
	public static final String USERNAME = "username";
	public static final String PASSWORD = "password";
	public static final String CARD = "card";
	public static final String SEX = "sex";
	public static final String EMAIL = "email";
	public static final String BIRTHDAY = "birthday";
	public static final String TELEPHONE = "telephone";
	public static final String QUESTIONONE = "questionone";
	public static final String ANSWERONE = "answerone";
	public static final String QUESTIONTWO = "questiontwo";
	public static final String ANSWERTWO = "answertwo";
	public static final String POPEDOM_ID = "popedom_id";

	protected void initDao() {
		// do nothing
	}

	/* (non-Javadoc)
	 * @see com.test.struts.dao.UserDaoImpl#save(com.test.struts.domain.User)
	 */
	public void save(User transientInstance) {
		log.debug("saving User instance");
		try {
			System.out.println("正在写入SQL语句");
			getHibernateTemplate().save(transientInstance);
			System.out.println("执行SQL语句");
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	/* (non-Javadoc)
	 * @see com.test.struts.dao.UserDaoImpl#delete(com.test.struts.domain.User)
	 */
	public void delete(User persistentInstance) {
		log.debug("deleting User instance");
		try {
			System.out.println("正在写入SQL语句:"+persistentInstance.getId()+" 用户名："+persistentInstance.getUsername());
			getHibernateTemplate().delete(persistentInstance);
			System.out.println("执行SQL语句");
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	/* (non-Javadoc)
	 * @see com.test.struts.dao.UserDaoImpl#findById(java.lang.Integer)
	 */
	public User findById(java.lang.Integer id) {
		log.debug("getting User instance with id: " + id);
		try {
			System.out.println("正在写入SQL语句");
			User instance = (User) getHibernateTemplate().get(
					"com.test.struts.domain.User", id);
			System.out.println("执行SQL语句");
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	/* (non-Javadoc)
	 * @see com.test.struts.dao.UserDaoImpl#findByExample(com.test.struts.domain.User)
	 */
	public List<User> findByExample(User instance) {
		log.debug("finding User instance by example");
		try {
			List<User> 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;
		}
	}

	/* (non-Javadoc)
	 * @see com.test.struts.dao.UserDaoImpl#findByProperty(java.lang.String, java.lang.Object)
	 */
	public List<User> findByProperty(String propertyName, Object value) {
		log.debug("finding User instance with property: " + propertyName
				+ ", value: " + value);
		try {
			String queryString = "from User as model where model."
					+ propertyName + "= ?";
			System.out.println("正在写入SQL语句");
			return getHibernateTemplate().find(queryString, value);
			
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	/* (non-Javadoc)
	 * @see com.test.struts.dao.UserDaoImpl#findByUsername(java.lang.Object)
	 */
	public List<User> findByUsername(Object username) {
		System.out.println("UserDao获取username:"+username);
		return findByProperty(USERNAME, username);
	}

	/* (non-Javadoc)
	 * @see com.test.struts.dao.UserDaoImpl#findByPassword(java.lang.Object)
	 */
	public List<User> findByPassword(Object password) {
		return findByProperty(PASSWORD, password);
	}

	/* (non-Javadoc)
	 * @see com.test.struts.dao.UserDaoImpl#findByCard(java.lang.Object)
	 */
	public List<User> findByCard(Object card) {
		return findByProperty(CARD, card);
	}

	/* (non-Javadoc)
	 * @see com.test.struts.dao.UserDaoImpl#findBySex(java.lang.Object)
	 */
	public List<User> findBySex(Object sex) {
		return findByProperty(SEX, sex);
	}

	/* (non-Javadoc)
	 * @see com.test.struts.dao.UserDaoImpl#findByEmil(java.lang.Object)
	 */
	public List<User> findByEmil(Object email) {
		return findByProperty(EMAIL, email);
	}

	/* (non-Javadoc)
	 * @see com.test.struts.dao.UserDaoImpl#findByBirthday(java.lang.Object)
	 */
	public List<User> findByBirthday(Object birthday) {
		return findByProperty(BIRTHDAY, birthday);
	}

	/* (non-Javadoc)
	 * @see com.test.struts.dao.UserDaoImpl#findByTelephone(java.lang.Object)
	 */
	public List<User> findByTelephone(Object telephone) {
		return findByProperty(TELEPHONE, telephone);
	}

	/* (non-Javadoc)
	 * @see com.test.struts.dao.UserDaoImpl#findByQuestionone(java.lang.Object)
	 */
	public List<User> findByQuestionone(Object questionone) {
		return findByProperty(QUESTIONONE, questionone);
	}

	/* (non-Javadoc)
	 * @see com.test.struts.dao.UserDaoImpl#findByAnswerone(java.lang.Object)
	 */
	public List<User> findByAnswerone(Object answerone) {
		return findByProperty(ANSWERONE, answerone);
	}

	/* (non-Javadoc)
	 * @see com.test.struts.dao.UserDaoImpl#findByQuestiontwo(java.lang.Object)
	 */
	public List<User> findByQuestiontwo(Object questiontwo) {
		return findByProperty(QUESTIONTWO, questiontwo);
	}

	/* (non-Javadoc)
	 * @see com.test.struts.dao.UserDaoImpl#findByAnswertwo(java.lang.Object)
	 */
	public List<User> findByAnswertwo(Object answertwo) {
		return findByProperty(ANSWERTWO, answertwo);
	}

	/* (non-Javadoc)
	 * @see com.test.struts.dao.UserDaoImpl#findAll()
	 */
	public List<User> findAll() {
		log.debug("finding all User instances");
		try {
			String queryString = "from User";
			return getHibernateTemplate().find(queryString);
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	/* (non-Javadoc)
	 * @see com.test.struts.dao.UserDaoImpl#merge(com.test.struts.domain.User)
	 */
	public User merge(User detachedInstance) {
		log.debug("merging User instance");
		try {
			User result = (User) getHibernateTemplate().merge(detachedInstance);
			log.debug("merge successful");
			return result;
		} catch (RuntimeException re) {
			log.error("merge failed", re);
			throw re;
		}
	}

	public void attachDirty(User instance) {
		log.debug("attaching dirty User instance");
		try {
			getHibernateTemplate().saveOrUpdate(instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public void attachClean(User instance) {
		log.debug("attaching clean User instance");
		try {
			getHibernateTemplate().lock(instance, LockMode.NONE);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public static UserDaoImpl getFromApplicationContext(ApplicationContext ctx) {
		return (UserDaoImpl) ctx.getBean("UserDao");
	}
}