SpringMVC 注解aop不生效

妖狐艹你老母 2022-05-18 05:58 519阅读 0赞

首先基础要理解spring配置文件和springmvc配置文件

spring注解不生效可从以下几个方面找原因

1 springmvc的配置文件中只配置扫描@Controller的注解，spring的配置文件扫描除了@Controller的注解的其他的注解

2 检查@Pointcut 的表达式是否正确

3 如果在service层aop 可以生效，controller层不生效，把  <aop:aspectj-autoproxy proxy-target-class="true"/>添加到到springmvc的配置文件中

附上aop 注解代码

@Component
    @Aspect
    public class LoginAspect {
    	private Logger logger=LoggerFactory.getLogger(LoginAspect.class);
    	public LoginAspect(){
    	}
    	@Pointcut("execution(* com.zyc.service..*.*(..))")
    	public void point(){}
    	@Pointcut("execution(* com.zyc.controller.*.*(..))")
    	public void pointcontroller(){}
    	
    	/**
    	 * 配置环绕通知
    	 * @param joinPoint
    	 * @return
    	 * @throws Throwable 
    	 */
    	@Around("pointcontroller()")
    	public Object aroundMethod(ProceedingJoinPoint joinPoint) throws Throwable{
    		logger.debug("进入aoparound方法");
    		if(checkPass(joinPoint.getSignature().getName())){
    				return joinPoint.proceed();
    		}
    		HttpServletRequest request=getHttpServletRequest();
    		String account=request.getParameter("account");
    		logger.debug(account);
    		return joinPoint.proceed();
    	}
    	/**
    	 * 检查是否需要验证登录
    	 * @param method
    	 * @return
    	 */
    	private boolean checkPass(String method){
    		switch(method){
    		case "login":
    			return true;
    		case "register":
    			return true;
    		}
    		return false;
    	}
    	/**
    	 * 获取request
    	 * @return
    	 */
    	protected HttpServletRequest getHttpServletRequest(){
    		return ((ServletRequestAttributes)RequestContextHolder.getRequestAttributes()).getRequest();
    	}
    }

springmvc配置文件中主要配置

<aop:aspectj-autoproxy proxy-target-class="true"/>
     
        
        <context:component-scan base-package="com.zyc.controller"
            use-default-filters="false">
            <context:include-filter type="annotation"
                expression="org.springframework.stereotype.Controller" />
        </context:component-scan>

spring配置文件中主要配置

<context:component-scan base-package="com.zyc">
           <context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller" />
      </context:component-scan> 
      <aop:aspectj-autoproxy proxy-target-class="true"></aop:aspectj-autoproxy>

在以上配置中

proxy-target-class="true" 属于动态代理的方式选择，有兴趣的朋友可以看看其他资料