关于@Valid 不生效的问题

package com.crm.admin.interceptor;

import java.util.List;

import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.aspectj.lang.annotation.Pointcut;
import org.springframework.core.annotation.Order;
import org.springframework.stereotype.Component;
import org.springframework.validation.BindingResult;
import org.springframework.validation.ObjectError;

import com.crm.admin.exception.ParameterIllegalException;


/**
 * 检查入参合法性
 */
@Aspect
@Component
@Order(1)
public class ValidParamAspect {

    // Controller层切点
    @Pointcut("execution (* com.crm.admin.controller..*.*(..))")
    public void aspect() { }

    @Before("aspect()")
    public void doBefore(JoinPoint jp) throws Throwable {
        Object[] args = jp.getArgs();
        if(args != null && args.length > 1 ) {
            //取出第2个参数
            Object obj = jp.getArgs()[1];
            if(obj instanceof BindingResult) {
                BindingResult bindingResult = (BindingResult)obj;
                // 校验返回错误集合中的第一个错误信息
                if (bindingResult.hasErrors()) {
                    List<ObjectError> errors = bindingResult.getAllErrors();
                    throw new ParameterIllegalException(errors.get(0).getDefaultMessage());
                }
            }
        }
    }

}