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); } ----------------------------------------------------------------------------------------------- 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); } } --------------------------------------------------------------------------------------------- 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); } ---------------------------------------------------------------------------------------------- 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); } } -------------------------------------------------------------------------------------------- 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(); } */ } } --------------------------------------------------------------------------------------------- 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>
时间: 2024-10-24 21:33:39