项目目录
- UserMapper.xml写sql语句
- UserMapperImpl继承sqlSessionDaoSupport然后在里面做一个addUser和一个delete
- 我们delete语句故意写错
- 但是我们想把add和delete当成一个事务
- delete错了,add也不应该成功
- 所以我们需要进行事务管理配置
spring-dao.xml
<?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:tx="http://www.springframework.org/schema/tx"
xmlns:aop="http://www.springframework.org/schema/aop"
xsi:schemaLocation="http://www.springframework.org/schema/beans
https://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/tx
https://www.springframework.org/schema/tx/spring-tx.xsd
http://www.springframework.org/schema/aop
https://www.springframework.org/schema/aop/spring-aop.xsd">
<bean id="datasource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
<property name="driverClassName" value="com.mysql.jdbc.Driver"/>
<property name="url" value="jdbc:mysql://47.96.75.130:3306/spring_test?userSSL=true&
userUnicode=true&characterEncoding=UTF-8"/>
<property name="username" value="lyh"/>
<property name="password" value="abAB12"/>
</bean>
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="datasource" />
<property name="configLocation" value="classpath:mybatis-config.xml"/>
<property name="mapperLocations" value="classpath:com/mapper/*.xml"/>
</bean>
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<constructor-arg ref="datasource" />
</bean>
<tx:advice id="tx1" transaction-manager="transactionManager">
<tx:attributes>
<tx:method name="add" propagation="REQUIRED"/>
<tx:method name="delete" propagation="REQUIRED"/>
<tx:method name="update" propagation="REQUIRED"/>
<tx:method name="*" propagation="REQUIRED"/>
<tx:method name="query" read-only="true"/>
</tx:attributes>
</tx:advice>
<aop:config>
<aop:pointcut id="txpointxut" expression="execution(* com.mapper.*.*(..))"/>
<aop:advisor advice-ref="tx1" pointcut-ref="txpointxut"/>
</aop:config>
</beans>
- 三步走
- 头文件加入tx等
- 申明式事务bean
- 配置事务管理器advice,包括给哪些方法配置事务,以及事务的特性
- 配置事务切入,在哪个切入点切入
测试