Spring的声明式事务处理怎么配置，可以在提交事务后关闭数据库连接？

Posted 2023-03-31

try
conn = u.getConnection();//连接数据库

//业务层的处理方法的调用。。。。。。

u.commit(conn);//提交
catch (Exception e)
u.rollback(conn);

finally

u.close(conn);//关闭
参考技术A 1.使用注解的方式
<?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: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/context
http://www.springframework.org/schema/context/spring-context-3.0.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-3.0.xsd">
<!-- 使用annotation定义数据库事务，这样可以在类或方法中直接使用@Transactional注解来声明事务 -->
<tx:annotation-driven transaction-manager="transactionManager" />
</beans>

2.使用事务管理器来管理
<?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:jee="http://www.springframework.org/schema/jee"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-3.1.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-3.1.xsd
http://www.springframework.org/schema/jee
http://www.springframework.org/schema/jee/spring-jee-3.1.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.1.xsd">
<bean id="transactionManager"
class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource" />
</bean>

<aop:config>
<!-- 切入点指明了在执行com.zxt.service包中的所有方法时产生事务拦截操作 -->
<aop:pointcut id="daoMethods"
expression="execution(* com.zxt.service.*.*(..))" />
<!-- 定义了将采用何种拦截操作，这里引用到 txAdvice -->
<aop:advisor advice-ref="txAdvice" pointcut-ref="daoMethods" />
</aop:config>

<!-- 事务通知操作，使用的事务管理器引用自transactionManager -->
<tx:advice id="txAdvice" transaction-manager="transactionManager">
<tx:attributes>
<!-- 指定哪些方法需要加入事务 -->
<tx:method name="save*" propagation="REQUIRED" />
<tx:method name="delete*" propagation="REQUIRED" />
<tx:method name="update*" propagation="REQUIRED" />
<!-- read-only="true"：其余方法只读格式，加强其安全性 -->
<tx:method name="*" read-only="true" propagation="NOT_SUPPORTED" />
</tx:attributes>
</tx:advice>

</beans>本回答被提问者采纳