spring aop拦截controller和service

电玩女神 2022-05-29 03:17 187阅读 0赞

spring配置：

<context:component-scan base-package="me.zxw135136" >
        <context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
    </context:component-scan>
    
    <aop:aspectj-autoproxy />

spring-mvc配置：

<context:component-scan base-package="me.zxw135136" use-default-filters="false">
        <context:include-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
    </context:component-scan>
    
    <aop:aspectj-autoproxy />

切面类：

@Component
    @Aspect
    public class LogAspect {
        
    
        @Pointcut("execution(* me.zxw135136.novelWeb.service..*(..))")
        private void servicePointCut() {}
    
        @Pointcut("execution(* me.zxw135136.novelWeb.controller..*(..))")
        private void controllerPointCut() {}
    
        @Around("servicePointCut()")
        public Object logAroundService(ProceedingJoinPoint jointPoint) throws Throwable {
    
            System.out.println(jointPoint+"开始");
    
            Object proceed = jointPoint.proceed();
    
            System.out.println(jointPoint+"结束");
    
            return proceed;
        }
    
        @Around("controllerPointCut()")
        public Object logAroundController(ProceedingJoinPoint jointPoint) throws Throwable {
    
            System.out.println(jointPoint+"开始");
    
            Object proceed = jointPoint.proceed();
    
            System.out.println(jointPoint+"结束");
    
            return proceed;
        }
    
    }

需要注意的是：  
1.controller需要使用cglib动态代理才可以拦截，高版本spring可以自动选择jdk或者cglib代理，在低版本中`aop:aspectj-autoproxy`必须加上`proxy-target-class="true"`才能指定使用cglib代理。  
2.aop切面类必须与目标类在同一个上下文环境。因为切面类要同时切入controller和service，而我的spring上下文环境不包含controller，spring-mvc上下文环境不包含service，所以需要在spring和spring-mvc配置文件中都配置`<aop:aspectj-autoproxy />`