@GetMapping(path = "/cookie")
    public Mono<String> testRequestCookie(@CookieValue("userId") final String userId,
                                          final ServerHttpRequest serverHttpRequest) {
        LOGGER.info("userId:{}, receive Cookies: {}", userId, serverHttpRequest.getCookies());
        return successMono(serverHttpRequest.getCookies());
    }
Test for cookie annotation.
@param userId  a cookie key with the name userId
@param serverHttpRequest  request
@return  response
shenyu-examples/shenyu-examples-http/src/main/java/org/apache/shenyu/examples/http/controller/RequestController.java