Spring事务处理案例基于声明式(拦截器)-订单处理(添加订单)

<?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"
       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">
    <import resource="spring-dao.xml"/>
    <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <property name="dataSource" ref="dataSource"/>
    </bean>
    <bean id="orderServiceTarget" class="com.imooc.os.service.impl.OrderServiceImpl"/>
    <bean id="orderService" class="org.springframework.transaction.interceptor.TransactionProxyFactoryBean">
        <property name="transactionManager" ref="transactionManager"/>
        <property name="transactionAttributes">
            <props>
                <prop key="get*">PROPAGATION_REQUIRED,readOnly</prop>
                <prop key="find*">PROPAGATION_REQUIRED,readOnly</prop>
                <prop key="search*">PROPAGATION_REQUIRED,readOnly</prop>
                <prop key="*">PROPAGATION_REQUIRED</prop>
            </props>
        </property>
        <property name="target" ref="orderServiceTarget"/>
    </bean>
</beans>

@Service
public class OrderServiceImpl implements OrderService {


    @Autowired
    private OrderDao  orderDao;
    @Autowired
    private ProductDao productDao;


    public void addOrder(Order order) {
        order.setCreateTime(new Date());
        order.setStatus("待付款");


            orderDao.insert(order);
            Product product=productDao.select(order.getProductsId());
            product.setStock(product.getStock()-order.getNumber());
            productDao.update(product);

    }
}

简化配置

<?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"
       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">
    <import resource="spring-dao.xml"/>
    <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <property name="dataSource" ref="dataSource"/>
    </bean>
    <bean id="orderServiceTarget" class="com.imooc.os.service.impl.OrderServiceImpl"/>
    <bean id="transactionInterceptor" class="org.springframework.transaction.interceptor.TransactionInterceptor">
        <property name="transactionManager" ref="transactionManager"/>
        <property name="transactionAttributes">
            <props>
                <prop key="get*">PROPAGATION_REQUIRED,readOnly</prop>
                <prop key="find*">PROPAGATION_REQUIRED,readOnly</prop>
                <prop key="search*">PROPAGATION_REQUIRED,readOnly</prop>
                <prop key="*">PROPAGATION_REQUIRED</prop>
            </props>
        </property>
    </bean>
    <bean id="orderService" class="org.springframework.aop.framework.ProxyFactoryBean">
        <property name="target" ref="orderServiceTarget"/>
        <property name="interceptorNames">
            <list>
                <idref bean="transactionInterceptor"/>
            </list>
        </property>
    </bean>
</beans>