DataSourceTransactionManager transactionManager = (DataSourceTransactionManager) ctx
.getBean("txManager");
DefaultTransactionDefinition def = new DefaultTransactionDefinition();
def.setPropagationBehavior(TransactionDefinition.PROPAGATION_REQUIRES_NEW); // 事物隔离级别，开启新事务，这样会比较安全些。
TransactionStatus status = transactionManager.getTransaction(def); // 获得事务状态
try {
//逻辑代码，可以写上你的逻辑处理代码
transactionManager.commit(status);
} catch (Exception e) {
transactionManager.rollback(status);
}

<!-- 事务配置 spring 3.0 -->

<beanid="transactionManager class="org.springframework.jdbc.datasource.DataSourceTransactionManager">

<propertyname="dataSource"ref="dataSource"/>

</bean>

<aop:config>

<aop:pointcutexpression="execution(public * com.*.service.impl.*Impl.*(..))"id="pointcut"/>

<aop:advisoradvice-ref="txAdvice"pointcut-ref="pointcut"/>

</aop:config>

<tx:adviceid="txAdvice"transaction-manager="transactionManager">

<tx:attributes>

<tx:methodname="query*"propagation="REQUIRED"read-only="true"/>

<tx:methodname="find*"propagation="REQUIRED"read-only="true"/>

<tx:methodname="get*"propagation="REQUIRED"read-only="true"/>

<tx:methodname="save*"propagation="REQUIRED"/>

<tx:methodname="add*"propagation="REQUIRED"/>

<tx:methodname="create*"propagation="REQUIRED"/>

<tx:methodname="delete*"propagation="REQUIRED"/>

<tx:methodname="del*"propagation="REQUIRED"/>

<tx:methodname="remove*"propagation="REQUIRED"/>

<tx:methodname="modify*"propagation="REQUIRED"/>

<tx:methodname="update*"propagation="REQUIRED"/>

<tx:methodname="clear*"propagation="REQUIRED"/>

</tx:attributes>

</tx:advice>