applicationContext-tx.xml（事务）

<?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: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.xsd
       http://www.springframework.org/schema/aop
       http://www.springframework.org/schema/aop/spring-aop.xsd
       http://www.springframework.org/schema/tx
       http://www.springframework.org/schema/tx/spring-tx.xsd">

    <!-- 事务管理器 -->
    <bean id="transactionManager"
        class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
　　　　　<!-- 此处的  ref="dataSource" dataSource表示数据库源 http://www.cnblogs.com/northern-light/p/8539152.html -->
        <property name="dataSource" ref="dataSource" />
　　　　　
    </bean>

    <!-- 事务的通知 -->
    <tx:advice id="txAdvice" transaction-manager="transactionManager">
        <tx:attributes>
            <tx:method name="save*" isolation="DEFAULT" propagation="REQUIRED"
                rollback-for="java.lang.Exception" />
            <tx:method name="modify*" isolation="DEFAULT" propagation="REQUIRED"
                rollback-for="java.lang.Exception" />
            <tx:method name="remove*" isolation="DEFAULT" propagation="REQUIRED"
                rollback-for="java.lang.Exception" />
            <tx:method name="get*" isolation="DEFAULT" propagation="REQUIRED"
                read-only="true" />
        </tx:attributes>
    </tx:advice>

    <!-- 事务的切面 -->
    <aop:config>
        <!-- 事务切点 -->
        <aop:pointcut id="txPtc"
            expression="execution(* com.jy.rpc.service.impl.*.*(..))" />
        <!-- 织入 -->
        <aop:advisor advice-ref="txAdvice" pointcut-ref="txPtc" />
    </aop:config>

</beans>