spring的事物配置 原

<?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:context="http://www.springframework.org/schema/context"  
    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-2.5.xsd  
           http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-2.5.xsd  
           http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd  
           http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd">  
  
    <bean id="dataSource"  class="org.apache.commons.dbcp.BasicDataSource"  destroy-method="close">  
        <property name="driverClassName"  
            value="org.gjt.mm.mysql.Driver" />  
        <property name="url"  
            value="jdbc:mysql://localhost:3306/test?userUnicode=true&amp;characterEncoding=UTF-8" />  
        <property name="username" value="root" />  
        <property name="password" value="5" />  
        <!-- 连接池启动时的初始值 -->  
        <property name="initialSize" value="1" />  
        <!-- 连接池的最大值 -->  
        <property name="maxActive" value="500" />  
        <!-- 最大空闲值.当经过一个高峰时间后，连接池可以慢慢将已经用不到的连接慢慢释放一部分，一直减少到maxIdle为止 -->  
        <property name="maxIdle" value="2" />  
        <!--  最小空闲值.当空闲的连接数少于阀值时，连接池就会预申请去一些连接，以免洪峰来时来不及申请 -->  
        <property name="minIdle" value="1" />  
    </bean>  
  
  
    <!-- 1.注解方式配置事务  -->  
    <bean id="txManager"  
        class="org.springframework.jdbc.datasource.DataSourceTransactionManager">  
        <property name="dataSource" ref="dataSource" />  
    </bean>  
  
    <tx:annotation-driven transaction-manager="txManager" />  
  
  
  
    <!-- 2.xml方式配置事务.利用aop技术   
        <aop:config>  
        <aop:pointcut id="transactionPointcut" expression="execution(* com.test.service..*.*(..))"/>  
        <aop:advisor advice-ref="txAdvice" pointcut-ref="transactionPointcut"/>  
        </aop:config>   
        <tx:advice id="txAdvice" transaction-manager="txManager">  
        <tx:attributes>  
        <tx:method name="get*" read-only="true" propagation="NOT_SUPPORTED"/>  
        <tx:method name="*"/>  
        </tx:attributes>  
        </tx:advice>  
    -->  
    <bean id="personService"  
        class="com.test.service.impl.PersonServiceImpl">  
        <property name="dataSource" ref="dataSource"></property>  
    </bean>  
</beans>

@Transactional
public class TestServiceBean implements TestService {   
    private TestDao dao;   
    public void setDao(TestDao dao) {        
        this.dao = dao;
    }   
    @Transactional(propagation = Propagation.NOT_SUPPORTED)    
    public List<Object> getAll() {        
        return null;
    }   
}