[sping reveal] 13. Spring AOP I & II

Spring AOP I

 

advice in Spring AOP

 

 

 

Before advice

 

This is executed before the method is executed, that is, before the corresponding joinpoint

 

 

 

spring AOP II

 

Enable aspect annotation

 

If you are using spring1.x, then add a bean

 

    <!-- 开启aop注解 -->
    <bean class="org.springframework.aop.aspectj.annotation.AnnotationAwareAspectJAutoProxyCreator">
        <property name="proxyTargetClass" value="true"></property>
    </bean>

If it is spring 2.x or above, use the xsd configuration method

 

 

<aop:aspectj-autoproxy proxy-target-class="true"></aop:aspectj-autoproxy>

 

 

For @pointcut this annotation is method-level, and if the modified object is public, it can be directly referenced in pointcut in other classes, similar to

@pointcut(“package.SystemCommonsAspect.commonPointcut1()。。。

 

 

advice in the form of @aspectj

 

 

@before 

 

@afterreturning

 

@afterThrowing

 

@after

 

@around

 

@declareParents

 

 

Next, we will learn about