每天20分钟之spring-cloud-gateway基础三自定义断言工厂

        - id: pathInfo
          uri: http://www.example.com/
          predicates:
            - Path=/abcd/{segment}

        - id: queryInfo
          uri: http://www.example.com/
          predicates:
            - Query= foo,bb

- id: methodnfo
          uri: http://www.example.com/
          predicates:
            - Method= DELETE

curl --location --request DELETE 'http://127.0.0.1:10011/adfasfsdfdsd'

        - id: headinfo
          uri: http://www.example.com/
          predicates:
            - Header=x-ragnar-traceid,[\w\d]+

curl --location --request GET 'http://127.0.0.1:10011/adfasfsdfdsd12312' \
--header 'x-ragnar-traceid: 123213123'

@Slf4j
@Component
public class GrayRoutePredicateFactory extends AbstractRoutePredicateFactory<GrayCfg> {

    public GrayRoutePredicateFactory() {
        super(GrayCfg.class);
    }

    @Override
    public Predicate<ServerWebExchange> apply(GrayCfg cfg) {

        return serverWebExchange -> {
            log.info("enter GrayRoutePredicateFactory"+cfg.isGrayStatus());
            if (cfg.isGrayStatus()) {
                log.info(" GrayRoutePredicateFactory hit   start gray");
                return true;
            }

            return false;
        };
    }
}

        - id: grayinfo
          uri: http://www.baidu.com/
          predicates:
            - Path=/eee/**
            - name: Gray
              args:
                grayStatus: true