usersdao.java

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package org.better.hr.dao;

import java.io.Serializable;
import java.util.List;

import org.better.hr.comm.Util;
import org.better.hr.entity.Users;
import org.hibernate.Criteria;
import org.hibernate.HibernateException;
import org.hibernate.Session;
import org.hibernate.criterion.Order;
import org.hibernate.criterion.Restrictions;
import org.springframework.orm.hibernate3.HibernateCallback;

public class UsersDao extends BasicDao {

	
	/**
	 * 查询方法,根据hbm.xml中的<sql-query>中的查询语句进行查询
	 * @return 存放Users对象的集合
	 */
	public List find(){
		List list = this.getHibernateTemplate().find("");
		return list;
	}
	
	/**
	 * 查询方法，重载
	 * @param condition 对象，该对象中设定了查询条件
	 * @return　存放Users对象的集合
	 */
	public List find(final Users condition)
	{
		return this.getHibernateTemplate().executeFind(
				new HibernateCallback()
				{
					public Object doInHibernate(Session s) throws HibernateException{
						Criteria c = s.createCriteria(Users.class);
						if (null != condition)
						{
							if(!Util.isNullOrBlank(condition.getUName())){
								c.add(Restrictions
										.eq("UName", condition.getUName()));
							}
							if(!Util.isNullOrBlank(condition.getUPassword())){
								c.add(Restrictions
										.eq("UPassword", condition.getUPassword()));
							}
						}
						c.addOrder(Order.asc("UId"));
						return c.list();
					}
				}
		);
	}
}