第一种（@Aspect切面类）

 

package com.gx.interceptor;import lombok.AllArgsConstructor;import lombok.extern.slf4j.Slf4j;import org.aspectj.lang.ProceedingJoinPoint;import org.aspectj.lang.annotation.Around;import org.aspectj.lang.annotation.Aspect;import org.aspectj.lang.annotation.Pointcut;import org.aspectj.lang.reflect.MethodSignature;import org.springframework.stereotype.Component;import java.lang.reflect.Method;@Aspect@Component@AllArgsConstructor@Slf4jpublic class AuthorityHandlerAspect {    @Pointcut("execution(* com.gx.controller.*.*(..))")    public void executeService() {    }    @Around("executeService()")    public Object authorityHandler(ProceedingJoinPoint pjp) throws Throwable {        MethodSignature methodSignature = (MethodSignature) pjp.getSignature();        Method method = methodSignature.getMethod();        　　　　 /判断方法上是否有此注解　　　　 if (method.isAnnotationPresent(WorkSheetAnnotation.class)) {}　　　　 //判断类上是否有次注解　　　　 if(pjp.getTarget().getClass().isAnnotationPresent(WorkSheetAnnotation.class)){}　　　　　//获取方法上的注解值　　     method.getAnnotation(NoAuth.class) 　　　　log.info("method{}",method); System.out.println("!!!!!!!!!!!!!!!!!已被拦截"); 　　return pjp.proceed();  　　} }

 

@Target({METHOD, FIELD})@Retention(RUNTIME)@Documentedpublic @interface NoAuth{    String message() default "";}

 

 

 

/** * @Description 工单类注解 * @Author GX * @Date 2019/5/7 10:02 * @Version V1.0 **/@Target(TYPE)@Retention(RUNTIME)@Documentedpublic @interface WorkSheetAnnotation {}

 

//获取当前请求的URIHttpServletRequest request = ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes()).getRequest();String uri = request.getRequestURI()

 

 

 

第二种（自定义拦截器类）

第一步 package com.chitic.bank.web.interceptor;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import org.springframework.http.HttpHeaders;import org.springframework.web.servlet.ModelAndView;import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;public class CrossDomainInterceptor extends HandlerInterceptorAdapter{    　　/** 　　*在整个请求结束之后被调用，也就是在DispatcherServlet 渲染了对应的视图之后执行（主要是用于进行资源清理工作）

　　*/    @Override    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex)            throws Exception {    }    @Override    public void afterConcurrentHandlingStarted(HttpServletRequest request, HttpServletResponse response, Object handler)            throws Exception {    } 　　/** 　　*请求处理之后进行调用，但是在视图被渲染之前（Controller方法调用之后）

　　*/    @Override    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler,            ModelAndView modelAndView) throws Exception {    } 　　 /**

　　　　*在请求处理之前进行调用（Controller方法调用之前）

　　 **/    @Override    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler)            throws Exception {                    if (request.getHeader(HttpHeaders.ORIGIN) != null) {                                response.setHeader("Access-Control-Allow-Origin", "*");                response.setHeader("Access-Control-Allow-Methods", "POST, GET");                response.setHeader("Access-Control-Allow-Headers", "token,Content-Type");                response.setHeader("Access-Control-Expose-Headers", "token");            }           return true;    }        } 第二步：注册自定义拦截器

package com.chitic.bank.web.config; import com.chitic.bank.web.interceptor.CrossDomainInterceptor; import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; import org.springframework.core.annotation.Order; import org.springframework.web.servlet.config.annotation.InterceptorRegistry; import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter; @Configuration public class CustomWebConfig extends WebMvcConfigurerAdapter {
       @Order(1)  //作用，值越小，越优先执行     @Bean     @ConditionalOnMissingBean(CrossDomainInterceptor.class)     public CrossDomainInterceptor crossDomainInterceptor() {
           return new CrossDomainInterceptor();     }     @Override     public void addInterceptors(InterceptorRegistry registry) {
           super.addInterceptors(registry);         registry.addInterceptor(crossDomainInterceptor());     } }