Spring boot如何开启跨域配置

@RestController
@RequestMapping("test")
@Slf4j
@CrossOrigin
public class DemoController {

    @RequestMapping("message")
    public String test(@RequestBody Message message) {
        log.info("{}", JSON.toJSONString(message));
        return "test";
    }
}

@Configuration
public class MvcConfig implements WebMvcConfigurer {

    /**
     * 开启全局跨域配置
     * @param registry
     */
    @Override
    public void addCorsMappings(CorsRegistry registry) {
        registry.addMapping("/**")
                .allowedOriginPatterns("*")
                .allowedMethods("POST", "GET", "PUT", "OPTIONS", "DELETE")
                .maxAge(3600)
                .allowCredentials(true);
    }

}

public class CorsInterceptor implements HandlerInterceptor {

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {

        //表示接受任意域名的请求,也可以指定域名
        response.setHeader("Access-Control-Allow-Origin", request.getHeader("origin"));

        //该字段可选，是个布尔值，表示是否可以携带cookie
        response.setHeader("Access-Control-Allow-Credentials", "true");

        response.setHeader("Access-Control-Allow-Methods", "GET, HEAD, POST, PUT, PATCH, DELETE, OPTIONS");

        response.setHeader("Access-Control-Allow-Headers", "*");


        //这里可以不加，但是其他语言开发的话记得处理options请求
        /**
         * 非简单请求是对那种对服务器有特殊要求的请求，
         * 比如请求方式是PUT或者DELETE，或者Content-Type字段类型是application/json。
         * 都会在正式通信之前，增加一次HTTP请求，称之为预检。浏览器会先询问服务器，当前网页所在域名是否在服务器的许可名单之中，
         * 服务器允许之后，浏览器会发出正式的XMLHttpRequest请求
         */
        if(HttpMethod.OPTIONS.toString().equals(request.getMethod())){
            return true;
        }

        return true;
    }

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

    }

    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {

    }
}