<!-- 声明事务 -->
    <bean id="txManager"
        class="org.springframework.orm.hibernate3.HibernateTransactionManager">
        <property name="sessionFactory" ref="sessionFactory"></property>
    </bean>
    <tx:advice id="txAdvice" transaction-manager="txManager">
        <tx:attributes>
            <tx:method name="save*" propagation="REQUIRED" />
            <tx:method name="del*" propagation="REQUIRED" />
            <tx:method name="update*" propagation="REQUIRED" />
            <tx:method name="*" propagation="SUPPORTS" read-only="true" />
        </tx:attributes>
    </tx:advice>
    <aop:config>
        <aop:pointcut id="pointcut"
            expression="execution(* com.service.impl.*.*(..))" />
        <aop:advisor advice-ref="txAdvice" pointcut-ref="pointcut" />
    </aop:config>

package com.service.impl;

public class UserServiceImpl implements UserService {

    private UserDao userDao;

    public UserDao getUserDao() {
        return userDao;
    }

    public void setUserDao(UserDao userDao) {
        this.userDao = userDao;
    }
    
    public void saveUser(USM_USER User) {
        this.userDao.saveObject(User);
        //做2次插入，按道理第二次会失败，那应该要回滚第一次的插入吧
        this.userDao.saveObject(User);
    }
}

public Serializable saveObject(E entity) {
        Serializable id = null;
        try {
            id = getHibernateTemplate().save(entity);
        } catch (Exception e) {
            logger.error("保存实体对象异常，对象是" + entity, e);
            return null;
        }
        return id;
    }

    public boolean saveOrUpdateObject(E entity) {
        try {
            getHibernateTemplate().saveOrUpdate(entity);
            return true;
        } catch (Exception e) {
            logger.error("保存或者更新实体对象异常，对象是" + entity, e);
            return false;
        }
    }