代码演练：

2　　　　代码演练

2.1　　环绕通知（不带参数）

2.2　　环绕通知（带参数）

2　　　　代码演练

2.1　　环绕通知（不带参数）

实体类：

package com.imooc.aop.schema.advice.biz;

public class AspectBiz {

    public void biz(){

        System.out.println("MoocAspect biz");

//        throw new RuntimeException();

    }

}

配置文件：

<?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:aop="http://www.springframework.org/schema/aop"

xsi:schemaLocation="http://www.springframework.org/schema/beans

http://www.springframework.org/schema/beans/spring-beans.xsd

http://www.springframework.org/schema/aop

http://www.springframework.org/schema/aop/spring-aop-4.0.xsd">

<bean id = "moocAspect" class = "com.imooc.aop.schema.advice.MoocAspect"></bean>

<bean id = "AspectBiz" class = "com.imooc.aop.schema.advice.biz.AspectBiz"></bean>

<aop:config>

    <aop:aspect  id="moocAspectAOP" ref="moocAspect">

<!--     声明切入点：从哪里开始执行 -->

<!--     执行com.imooc.aop.schema.advice.biz包下的所有Biz结尾的java类中的所有方法时 -->

        <aop:pointcut expression="execution(* com.imooc.aop.schema.advice.biz.*Biz.*(..))" id="moocPointCut"/>

        <aop:before method="before" pointcut-ref="moocPointCut"/>

        <aop:after-returning method="afterreturning" pointcut-ref="moocPointCut"/>

        <aop:after-throwing method="throwing" pointcut-ref="moocPointCut"/>

        <aop:after method="after" pointcut-ref="moocPointCut"/>

　　　　　　<aop:around method="around" pointcut-ref="moocPointCut"/>

    </aop:aspect>

</aop:config>

</beans>

通知类：

package com.imooc.aop.schema.advice;

import org.aspectj.lang.ProceedingJoinPoint;

public class MoocAspect {

    public void before(){

        System.out.println("before");

    }

    public void afterreturning(){

        System.out.println("after returning");

    }

    public void throwing(){

        System.out.println("throw");

    }

    public void after(){

        System.out.println("Say Love me");

    }

    public Object around(ProceedingJoinPoint pjp){

        Object obj = null;

        try {

            System.out.println("MoocAspect Around Before");

            obj = pjp.proceed();

            System.out.println("MoocAspect Around After");

        } catch (Throwable e) {

            // TODO Auto-generated catch block

            e.printStackTrace();

        }

        return obj;

    }

}

测试类：

package com.imooc.test.aop;

import org.junit.Test;

import org.junit.runner.RunWith;

import org.junit.runners.BlockJUnit4ClassRunner;

import com.imooc.aop.schema.advice.biz.AspectBiz;

import com.imooc.test.base.UnitTestBase;

@RunWith(BlockJUnit4ClassRunner.class)

public class TestAOPSchemaAdvice extends UnitTestBase {

    public TestAOPSchemaAdvice(){

        super("classpath:spring-aop-schema-advice.xml");

    }

    @Test

    public void testBiz(){

        AspectBiz aBiz = super.getbean("AspectBiz");

        aBiz.biz();

    }

}

打印日志：

四月 17, 2019 9:17:34 下午 org.springframework.context.support.ClassPathXmlApplicationContext prepareRefresh

信息: Refreshing org.springframework.context.support.ClassPathXmlApplicationContext@409c8a10: startup date [Wed Apr 17 21:17:34 CST 2019]; root of context hierarchy

四月 17, 2019 9:17:35 下午 org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions

信息: Loading XML bean definitions from class path resource [spring-aop-schema-advice.xml]

before

MoocAspect Around Before

MoocAspect biz

MoocAspect Around After

Say Love me

after returning

四月 17, 2019 9:17:38 下午 org.springframework.context.support.ClassPathXmlApplicationContext doClose

信息: Closing org.springframework.context.support.ClassPathXmlApplicationContext@409c8a10: startup date [Wed Apr 17 21:17:34 CST 2019]; root of context hierarchy

2.2　　环绕通知（带参数）

实体类：

package com.imooc.aop.schema.advice.biz;

public class AspectBiz {

    public void biz(){

        System.out.println("MoocAspect biz");

//        throw new RuntimeException();

    }

    public void init(String bizName,int times){

        System.out.println("AspectBiz init:"+ bizName + " "+times);

    }

}

xml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:aop="http://www.springframework.org/schema/aop"

xsi:schemaLocation="http://www.springframework.org/schema/beans

http://www.springframework.org/schema/beans/spring-beans.xsd

http://www.springframework.org/schema/aop

http://www.springframework.org/schema/aop/spring-aop-4.0.xsd">

<bean id = "moocAspect" class = "com.imooc.aop.schema.advice.MoocAspect"></bean>

<bean id = "AspectBiz" class = "com.imooc.aop.schema.advice.biz.AspectBiz"></bean>

<aop:config>

    <aop:aspect  id="moocAspectAOP" ref="moocAspect">

<!--     声明切入点：从哪里开始执行 -->

<!--     执行com.imooc.aop.schema.advice.biz包下的所有Biz结尾的java类中的所有方法时 -->

<!--         <aop:pointcut expression="execution(* com.imooc.aop.schema.advice.biz.*Biz.*(..))" id="moocPointCut"/> -->

<!--         <aop:before method="before" pointcut-ref="moocPointCut"/> -->

<!--         <aop:after-returning method="afterreturning" pointcut-ref="moocPointCut"/> -->

<!--         <aop:after-throwing method="throwing" pointcut-ref="moocPointCut"/> -->

<!--         <aop:after method="after" pointcut-ref="moocPointCut"/> -->

<!--         <aop:around method="around" pointcut-ref="moocPointCut"/> -->
<aop:around method="aroundInit" pointcut="execution(* com.imooc.aop.schema.advice.biz.AspectBiz.init(String,int)) and args(bizName,times)"/>
    </aop:aspect>

</aop:config>

</beans>

通知类：

package com.imooc.aop.schema.advice;

import org.aspectj.lang.ProceedingJoinPoint;

public class MoocAspect {

    public void before(){

        System.out.println("before");

    }

    public void afterreturning(){

        System.out.println("after returning");

    }

    public void throwing(){

        System.out.println("throw");

    }

    public void after(){

        System.out.println("Say Love me");

    }

    public Object around(ProceedingJoinPoint pjp){

        Object obj = null;

        try {

            System.out.println("MoocAspect Around Before");

            obj = pjp.proceed();

            System.out.println("MoocAspect Around After");

        } catch (Throwable e) {

            // TODO Auto-generated catch block

            e.printStackTrace();

        }

        return obj;

    }

    public Object aroundInit(ProceedingJoinPoint pjp,String bizName,int times){

        System.out.println("bizName="+bizName+"      times="+times);

        Object obj = null;

        try {

            System.out.println("MoocAspect AroundInit Before");

            obj = pjp.proceed();

            System.out.println("MoocAspect AroundInit After");

        } catch (Throwable e) {

            // TODO Auto-generated catch block

            e.printStackTrace();

        }

        return obj;

    }

}

测试类：

package com.imooc.test.aop;

import org.junit.Test;

import org.junit.runner.RunWith;

import org.junit.runners.BlockJUnit4ClassRunner;

import com.imooc.aop.schema.advice.biz.AspectBiz;

import com.imooc.test.base.UnitTestBase;

@RunWith(BlockJUnit4ClassRunner.class)

public class TestAOPSchemaAdvice extends UnitTestBase {

    public TestAOPSchemaAdvice(){

        super("classpath:spring-aop-schema-advice.xml");

    }

    @Test

    public void testBiz(){

        AspectBiz aBiz = super.getbean("AspectBiz");

        aBiz.biz();

    }

    @Test

    public void testInit(){

        AspectBiz aBiz = super.getbean("AspectBiz");

        aBiz.init("moocService",3);

    }

}

打印日志：

四月 18, 2019 6:19:42 上午 org.springframework.context.support.ClassPathXmlApplicationContext prepareRefresh

信息: Refreshing org.springframework.context.support.ClassPathXmlApplicationContext@45a5049a: startup date [Thu Apr 18 06:19:42 CST 2019]; root of context hierarchy

四月 18, 2019 6:19:42 上午 org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions

信息: Loading XML bean definitions from class path resource [spring-aop-schema-advice.xml]

bizName=moocService      times=3

MoocAspect AroundInit Before

AspectBiz init:moocService 3

MoocAspect AroundInit After

四月 18, 2019 6:19:43 上午 org.springframework.context.support.ClassPathXmlApplicationContext doClose

信息: Closing org.springframework.context.support.ClassPathXmlApplicationContext@45a5049a: startup date [Thu Apr 18 06:19:42 CST 2019]; root of context hierarchy

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