aspect advice pointcut :annotation 方式

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@Aspect@Componentpublic class testAop {@Pointcut("execution(* com.sl.service.*.*(..))")public void method(){}@Around("execution(public void com.sl.service.StudentService.add(com.sl.entity.User))")public void around(ProceedingJoinPoint p) throws Throwable {System.out.println("around begin");p.proceed();System.out.println("around over");}@Before("execution(* com.sl.service.*.*(..))")public void begin(){System.out.println("before");}@After("method()")public void after(){System.out.println("after");}}

<?xml version="1.0" encoding="UTF-8"?><beansxmlns="http://www.springframework.org/schema/beans"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xmlns:p="http://www.springframework.org/schema/p"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/contexthttp://www.springframework.org/schema/context/spring-context-3.0.xsdhttp://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.0.xsd"><context:component-scan base-package="com.sl"></context:component-scan><aop:aspectj-autoproxy/></beans>

<aop:aspectj-autoproxy/>：让spring自动在所有类里找到标有@aspect的类