网关-跨域问题配置类鉴权管理器(是否登录)---------------------------------------

@Configuration
public class CorsConfig {

    @Bean
    public CorsWebFilter corsFilter() {
        CorsConfiguration config = new CorsConfiguration();
        config.addAllowedMethod("*");
        config.addAllowedOrigin("*");
        config.addAllowedHeader("*");
        UrlBasedCorsConfigurationSource source =
                new UrlBasedCorsConfigurationSource(new PathPatternParser());
        source.registerCorsConfiguration("/**", config);
        return new CorsWebFilter(source);
    }
}

spring:
    gateway:
      globalcors:
        add-to-simple-url-handler-mapping: true
        corsConfigurations:
          '[/**]':
            allowedHeaders: "*"
            allowedOrigins: "*"
            allowedMethods:
              - GET
              - POST
              - DELETE
              - PUT
              - OPTION

鉴权管理器(是否登录)

@Component
public class AuthFilter implements GlobalFilter, Ordered {

    @Value("${gateway.excludedUrls}")
    private List<String> excludedUrls;

    @Override
    public Mono<Void> filter(ServerWebExchange exchange, GatewayFilterChain chain) {
        ServerHttpRequest request = exchange.getRequest();
        String path = request.getURI().getPath();
        if (excludedUrls.contains(path)){
            return chain.filter(exchange);
        }
        String token = request.getHeaders().getFirst("Authorization");
        if (token==null){
            ServerHttpResponse response = exchange.getResponse();
            response.setStatusCode(HttpStatus.UNAUTHORIZED);

            response.getHeaders().add("Content-Type","application/json;charset=UTF-8");
            Map map = new HashMap();

            map.put("errCode",401);
            map.put("errMessage","用户未登录");

            byte[] bytes = JSON.toJSONBytes(map);
            DataBuffer wrap = response.bufferFactory().wrap(bytes);
            return response.writeWith(Mono.just(wrap));

        }

        // 截取token
        token=token.replaceAll("Bearer ","");
        // 放行
        return chain.filter(exchange);
    }

    @Override
    public int getOrder() {
        return 0;
    }
}