biz包：

package com.etc.biz;

import java.util.List;

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

import com.etc.entity.Animal;

public interface AnimalBiz

{

	List<Animal> findAll();

	Animal findById(int aid);

	void add(Animal an);

}

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package com.etc.biz;

import java.util.List;

import org.hibernate.Session;

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

import com.etc.dao.AnimalDao;

import com.etc.entity.Animal;

public class AnimalBizImp  implements AnimalBiz

{

	//让业务持有dao的抽象接口，通过spring注入dao实例

	private AnimalDao dao;

	public AnimalDao getDao() {

		return dao;

	}

	public void setDao(AnimalDao dao) {

		this.dao = dao;

	}

	public List<Animal> findAll()

	{

		return  dao.findAll();

	}

	public Animal findById(int aid)

	{

		return dao.findById(aid);

	}

	public void add(Animal an)

	{

		dao.add(an);

	}

}

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dao包：

package com.etc.dao;

import java.util.List;

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

import com.etc.entity.Animal;

public interface AnimalDao

{

	List<Animal> findAll();

	Animal findById(int aid);

	void add(Animal an);

}

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package com.etc.dao;

import java.util.List;

import org.hibernate.Session;

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

import com.etc.entity.Animal;

public class AnimalDaoImp extends HibernateDaoSupport implements AnimalDao

{

	public List<Animal> findAll()

	{

		String hql = "from Animal";

		return  this.getHibernateTemplate().find(hql);

	}

	public Animal findById(int aid)

	{

		return this.getHibernateTemplate().get(Animal.class, aid);

	}

	public void add(Animal an)

	{

		this.getHibernateTemplate().save(an);

	}

}

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test包：

package com.etc.test;

import java.util.List;

import org.springframework.beans.factory.BeanFactory;

import org.springframework.context.support.ClassPathXmlApplicationContext;

import com.etc.biz.AnimalBiz;

import com.etc.dao.AnimalDao;

import com.etc.entity.Animal;

public class Test

{

	public static void main(String[] args)

	{

		BeanFactory fac = new ClassPathXmlApplicationContext("applicationContext.xml");

		AnimalBiz biz = (AnimalBiz) fac.getBean("biz");

		List<Animal> list = biz.findAll();

		for(Animal a:list)

			System.out.println(a);

		/*Animal an = biz.findById(1);

		System.out.println(an);*/

		/*try

		{

			Animal an = new Animal("火鸡", 2);

			biz.add(an);

			System.out.println("插入成功！");

		}

		catch (Exception e)

		{

			System.out.println("插入失败！");

			e.printStackTrace();

		}

		*/

	}

}

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applicationContext.xml配置：

<?xml version="1.0" encoding="UTF-8"?>

<beans

	xmlns="http://www.springframework.org/schema/beans"

	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

	xmlns:p="http://www.springframework.org/schema/p"

	xmlns:aop="http://www.springframework.org/schema/aop"

	xmlns:tx="http://www.springframework.org/schema/tx"

	xsi:schemaLocation=

	"http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd

	http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.0.xsd

	http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.0.xsd"> 

	<bean id="sessionFactory"

		class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">

		<property name="configLocation"

			value="file:src/hibernate.cfg.xml">

		</property>

	</bean>

	<!-- 创建dao对象 实现类-->

	<bean id="dao" class="com.etc.dao.AnimalDaoImp">

		<property name="sessionFactory" ref="sessionFactory"/>

	</bean>

	<!-- 创建biz对象实现类 -->

	<bean id="biz" class="com.etc.biz.AnimalBizImp">

		<property name="dao" ref="dao"/>

	</bean>

	<!-- 创建事务管理器 -->

	<bean id="tm" class="org.springframework.orm.hibernate3.HibernateTransactionManager">

		<property name="sessionFactory" ref="sessionFactory"/>

	</bean>

	<!-- 配置事务通知的规则 -->

	<tx:advice id="myadvice" transaction-manager="tm">

		<tx:attributes> <!-- 配置事务的传播特性 -->

			<!-- add方法需要事务-->

			<tx:method name="add*" propagation="REQUIRED"/>  

			<tx:method name="find*" read-only="true"/>  <!-- find开头的方法只读，不能修改数据 -->

		</tx:attributes>

	</tx:advice>

	<!-- 配置切入 -->

	<aop:config>

		<aop:pointcut expression="execution(* com.etc.biz.AnimalBiz.*(..))" id="mypc"/>

		<!-- 引用tx通知，引用切线mypc -->

		<aop:advisor advice-ref="myadvice" pointcut-ref="mypc"/>

	</aop:config>

</beans>