事务管理-xml配置

配置spring-config.xml文件

<?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.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.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">
    <!--扫描注解-->
    <context:component-scan base-package="com.huangxin.order"></context:component-scan>
    <!--AOP注解生效-->
    <aop:aspectj-autoproxy></aop:aspectj-autoproxy>
    <!--加载配置文件-->
    <context:property-placeholder location="property/jdbc.properties"></context:property-placeholder>
    <!--druid连接池-->
    <bean id="dateSource" class="com.alibaba.druid.pool.DruidDataSource">
        <property name="url" value="${jdbc.url}"></property>
        <property name="username" value="${jdbc.username}"></property>
        <property name="password" value="${jdbc.password}"></property>
    </bean>
    <!--SqlSessionFactory工厂交给spring-->
    <bean id="sqlSessionFactory" name="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <!--将数据源注入SqlSessionFactory-->
        <property name="dataSource" ref="dateSource"></property>
        <!--引入映射-->
        <property name="mapperLocations" value="classpath:mapper/*.xml"></property>
    </bean>
    <!--让spring生成mapper接口的实现类-->
    <!--多个mapper接口-->
    <!--MapperScannerConfigurer将扫描所有包下的mapper-->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"></property>
        <!--对哪些包下的类生成mapper代理类-->
        <property name="basePackage" value="com.huangxin.order.mapper"></property>
    </bean>
    <!--事务管理-->
    <bean id="txManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <property name="dataSource" ref="dateSource"></property>
    </bean>
    <!--配置事务增强-->
    <!--isolation事务隔离级别-->
    <!--注意命名规范-->
    <tx:advice id="txAdvice" transaction-manager="txManager">
        <tx:attributes>
            <tx:method name="delete*" isolation="DEFAULT" propagation="REQUIRED"/>
            <tx:method name="add*" isolation="DEFAULT" propagation="REQUIRED"/>
            <tx:method name="insert*" isolation="DEFAULT" propagation="REQUIRED"/>
            <tx:method name="update*" isolation="DEFAULT" propagation="REQUIRED"/>
        </tx:attributes>
    </tx:advice>
    <!--增强事务-->
    <aop:config>
        <aop:advisor advice-ref="txAdvice" pointcut="execution(* com.huangxin.order.service.*.*(..))"/>
    </aop:config>
</beans>

注意

这样使用集中配置,一旦配好不用再次配置,

但是配置比较麻烦.需要细心