springAOP无法拦截controller

public class BlockControllAdvice extends HandlerInterceptorAdapter  {   
    private static final Logger log = Logger.getLogger(BlockControllAdvice.class);   

    /** 权限验证方法，  
     *  
    * @param request,response,handler  
    * @return boolen  
    * @auther kaungyujian  
   */  
   public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {   

       log.debug("into controller advice........");   

      MultiActionController maControl = (MultiActionController) handler;   
      ParameterMethodNameResolver pmrResolver = (ParameterMethodNameResolver) maControl.getMethodNameResolver();   
        String methodName = pmrResolver.getHandlerMethodName(request);   
       String path = request.getRequestURI();   //获得请求的路径    }   
}