Spring 项目如何使用AOP

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <version>5.3.15</version>
        </dependency>
 
 
//不导入可能会报错
        <dependency>
            <groupId>org.aspectj</groupId >
            <artifactId>aspectjweaver</artifactId >
            <version>1.6.11</version >
        </dependency>

public interface MyService {
 
    void add();
    void delete();
}

public class MyServiceImpl implements MyService{
    @Override
    public void add() {
        System.out.println("执行了add         方法");
    }
 
    @Override
    public void delete() {
        System.out.println("执行了delete方法");
    }
}

public class AfterLog implements AfterReturningAdvice {
    @Override
    public void afterReturning(Object returnValue, Method method, Object[] args, Object target) throws Throwable {
        System.out.println("执行了"+method.getName()+"方法，返回值为"+returnValue);
    }
}

public class BeforeLog implements MethodBeforeAdvice {
 
    @Override
    public void before(Method method, Object[] args, Object target) throws Throwable {
        System.out.println("执行了"+method.getName()+"方法");
    }
}

<?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"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
        http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
        http://www.springframework.org/schema/context
        http://www.springframework.org/schema/context/spring-context-3.0.xsd
        http://www.springframework.org/schema/aop
        http://www.springframework.org/schema/aop/spring-aop-3.0.xsd">
 
    <bean id="beforelog" class="log.BeforeLog"/>
    <bean id="afterlog" class="log.AfterLog"/>
    <bean id="service" class="service.MyServiceImpl"/>
 
    <aop:config>
<!--        配置切入点：切入点名称  在那个类的那个方法上执行-->
        <aop:pointcut id="pointcut" expression="execution(* service.MyServiceImpl.*(..))"/>
 
<!--        在哪执行 执行什么-->
        <aop:advisor advice-ref="afterlog" pointcut-ref="pointcut"/>
        <aop:advisor advice-ref="beforelog" pointcut-ref="pointcut"/>
    </aop:config>
 
</beans>

     ApplicationContext context = new ClassPathXmlApplicationContext("test.xml");
        MyService service = context.getBean("service", MyService.class);
        service.add();