springcloud3(五) spring cloud gateway动态路由的四类实现方式

写这篇博客主要是为了汇总下动态路由的多种实现方式，没有好坏之分，任何的方案都是依赖业务场景需求的，现在网上实现方式主要有: 基于Nacos, 基于数据库(PosgreSQL/Redis), 基于Memory(内存)，而我们公司是第四种方案：基于File(本地文件)，通过不同文件来隔离不同业务线的路由，大佬们不要喷，任何方案脱离不了业务场景(各种难言之隐)。下面主要简单介绍下这四种动态路由的实现方式

1.基于Nacos的动态路由

Nacos官方简介

Nacos 致力于帮助您发现、配置和管理微服务。Nacos 提供了一组简单易用的特性集，帮助您快速实现动态服务发现、服务配置、服务元数据及流量管理。Nacos 帮助您更敏捷和容易地构建、交付和管理微服务平台。 Nacos 是构建以“服务”为中心的现代应用架构 (例如微服务范式、云原生范式) 的服务基础设施。主要特性如下：

1. 服务发现和服务健康监测
2. 动态配置服务
3. 动态 DNS 服务
4. 服务及其元数据管理

此处不展开介绍Nacos了，主要讲下Spring Cloud Gateway + Nacos 实现动态路由

1.1 相关版本如下

spring-cloud-starter-gateway:2.1.0.RELEASE

spring-cloud-starter-alibaba-nacos-config:2.2.5.RELEASE

1.2 实现思路

 ok,上代码

properties配置

### nacos configuration start
spring.cloud.nacos.discovery.server-addr=127.0.0.1:8848
spring.cloud.nacos.discovery.namespace=50f5dcf0-f3c0-4c79-9715-0e25e3959ssd
nacos.gateway.route.config.data-id=server-routes
nacos.gateway.route.config.group=spb-gateway
### nacos configuration end

NacosGatewayConfig配置类

package com.kawa.spbgateway.config;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.SerializationFeature;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

@Configuration
public class NacosGatewayConfig {
    public static final long DEFAULT_TIMEOUT = 30000;

    public static String NACOS_SERVER_ADDR;

    public static String NACOS_NAMESPACE;

    public static String NACOS_ROUTE_DATA_ID;

    public static String NACOS_ROUTE_GROUP;

    @Value("${spring.cloud.nacos.discovery.server-addr}")
    public void setNacosServerAddr(String nacosServerAddr) {
        NACOS_SERVER_ADDR = nacosServerAddr;
    }

    @Value("${spring.cloud.nacos.discovery.namespace}")
    public void setNacosNamespace(String nacosNamespace) {
        NACOS_NAMESPACE = nacosNamespace;
    }

    @Value("${nacos.gateway.route.config.data-id}")
    public void setNacosRouteDataId(String nacosRouteDataId) {
        NACOS_ROUTE_DATA_ID = nacosRouteDataId;
    }

    @Value("${nacos.gateway.route.config.group}")
    public void setNacosRouteGroup(String nacosRouteGroup) {
        NACOS_ROUTE_GROUP = nacosRouteGroup;
    }

    @Bean
    public ObjectMapper getObjectMapper() {
        ObjectMapper objectMapper = new ObjectMapper();
        objectMapper.configure(SerializationFeature.FAIL_ON_EMPTY_BEANS, false);
        return objectMapper;
    }
}

NacosDynamicRouteService类

加载和监听路由

package com.kawa.spbgateway.service;

import com.alibaba.nacos.api.NacosFactory;
import com.alibaba.nacos.api.config.ConfigService;
import com.alibaba.nacos.api.config.listener.Listener;
import com.alibaba.nacos.api.exception.NacosException;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.kawa.spbgateway.route.CustomizedRouteDefinition;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.gateway.route.RouteDefinition;
import org.springframework.context.annotation.DependsOn;
import org.springframework.stereotype.Service;

import javax.annotation.PostConstruct;
import java.util.List;
import java.util.Properties;
import java.util.concurrent.Executor;

import static com.kawa.spbgateway.config.NacosGatewayConfig.*;

@Service
@Slf4j
@DependsOn({"nacosGatewayConfig"})
public class NacosDynamicRouteService {

    @Autowired
    private NacosRefreshRouteService nacosRefreshRouteService;

    private ConfigService configService;

    @Autowired
    private ObjectMapper objectMapper;

    @PostConstruct
    public void init() {
        log.info(">>>>>>>>>> init gateway route <<<<<<<<<<");
        configService = initConfigService();
        if (null == configService) {
            log.error(">>>>>>> init the ConfigService failed!!!");
        }
        String configInfo = null;
        try {
            configInfo = configService.getConfig(NACOS_ROUTE_DATA_ID, NACOS_ROUTE_GROUP, DEFAULT_TIMEOUT);
            log.info(">>>>>>>>> get the gateway configInfo:
{}", configInfo);
            List<CustomizedRouteDefinition> routeDefinitions = objectMapper.readValue(configInfo, new TypeReference<List<CustomizedRouteDefinition>>() {
            });

            for (RouteDefinition definition : routeDefinitions) {
                log.info(">>>>>>>>>> load route : {}", definition.toString());
                nacosRefreshRouteService.add(definition);
            }
        } catch (NacosException | JsonProcessingException e) {
            e.printStackTrace();
        }
        dynamicRouteByNacosListener(NACOS_ROUTE_DATA_ID, NACOS_ROUTE_GROUP);
    }

    private void dynamicRouteByNacosListener(String dataId, String group) {
        try {
            configService.addListener(dataId, group, new Listener() {
                @Override
                public Executor getExecutor() {
                    log.info("-------------------getExecutor-------------------");
                    return null;
                }

                @Override
                public void receiveConfigInfo(String configInfo) {
                    log.info(">>>>>>>>> listened configInfo change:
	{}", configInfo);
                    List<CustomizedRouteDefinition> routeDefinitions = null;
                    try {
                        routeDefinitions = objectMapper.readValue(configInfo, new TypeReference<>() {
                        });
                    } catch (JsonProcessingException e) {
                        e.printStackTrace();
                    }
                    nacosRefreshRouteService.updateList(routeDefinitions);
                }
            });
        } catch (NacosException e) {
            e.printStackTrace();
        }
    }

    private ConfigService initConfigService() {
        Properties properties = new Properties();
        properties.setProperty("serverAddr", NACOS_SERVER_ADDR);
        properties.setProperty("namespace", NACOS_NAMESPACE);
        try {
            return NacosFactory.createConfigService(properties);
        } catch (NacosException e) {
            e.printStackTrace();
            return null;
        }
    }

}

NacosRefreshRouteService类 

实现路由的更新和刷新本地缓存

package com.kawa.spbgateway.service;

import com.kawa.spbgateway.route.CustomizedRouteDefinition;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.gateway.event.RefreshRoutesEvent;
import org.springframework.cloud.gateway.route.RouteDefinition;
import org.springframework.cloud.gateway.route.RouteDefinitionLocator;
import org.springframework.cloud.gateway.route.RouteDefinitionWriter;
import org.springframework.context.ApplicationEventPublisher;
import org.springframework.context.ApplicationEventPublisherAware;
import org.springframework.stereotype.Service;
import org.springframework.util.CollectionUtils;
import reactor.core.publisher.Mono;

import java.util.ArrayList;
import java.util.List;


@Service
@Slf4j
public class NacosRefreshRouteService implements ApplicationEventPublisherAware {

    private ApplicationEventPublisher publisher;

    @Autowired
    private RouteDefinitionWriter routeDefinitionWriter;

    @Autowired
    private RouteDefinitionLocator routeDefinitionLocator;

    private List<String> routeIds = new ArrayList<>();

    @Override
    public void setApplicationEventPublisher(ApplicationEventPublisher applicationEventPublisher) {
        this.publisher = applicationEventPublisher;
    }

    /**
     * 删除路由
     *
     * @param id
     * @return
     */
    public void delete(String id) {
        try {
            log.info(">>>>>>>>>> gateway delete route id {}", id);
            this.routeDefinitionWriter.delete(Mono.just(id)).subscribe();
            this.publisher.publishEvent(new RefreshRoutesEvent(this));
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    /**
     * 更新路由
     *
     * @param definitions
     * @return
     */
    public void updateList(List<CustomizedRouteDefinition> definitions) {
        log.info(">>>>>>>>>> gateway update route {}", definitions);
        // 删除缓存routerDefinition
        List<RouteDefinition> routeDefinitionsExits = routeDefinitionLocator.getRouteDefinitions().buffer().blockFirst();
        if (!CollectionUtils.isEmpty(routeDefinitionsExits)) {
            routeDefinitionsExits.forEach(routeDefinition -> {
                log.info("delete routeDefinition:{}", routeDefinition);
                delete(routeDefinition.getId());
            });
        }
        definitions.forEach(definition -> {
            updateById(definition);
        });
    }

    /**
     * 更新路由
     *
     * @param definition
     * @return
     */
    public void updateById(RouteDefinition definition) {
        try {
            log.info(">>>>>>>>>> gateway update route {}", definition);
            this.routeDefinitionWriter.delete(Mono.just(definition.getId()));
        } catch (Exception e) {
            e.printStackTrace();
        }
        try {
            routeDefinitionWriter.save(Mono.just(definition)).subscribe();
            this.publisher.publishEvent(new RefreshRoutesEvent(this));
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    /**
     * 增加路由
     *
     * @param definition
     * @return
     */
    public void add(RouteDefinition definition) {
        log.info(">>>>>>>>>> gateway add route {}", definition);
        routeDefinitionWriter.save(Mono.just(definition)).subscribe();
        this.publisher.publishEvent(new RefreshRoutesEvent(this));
    }

}

测试一下

nacos添加路由配置，注意"Data ID" 和 “Group”要和配置一一对应

启动项目加载配置，可以看到加载路由配置的日志（监听路由变化的日志就不截图了）

也可以通过actuator的接口测试下（可以看到已经路由已经加载到本地内存）

 

2. 基于数据库(PosgreSQL/Redis)的动态路由

基于数据库，关系型数据库和非关系型数据库，实现思路是一样的，这里我就以Redis来举例子

2.1 相关配置

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-data-redis</artifactId>
</dependency>

2.2  实现思路

 

上代码

proerties配置

### redis configuration start
spring.redis.database=0
spring.redis.host=127.0.0.1
spring.redis.port=10619
spring.redis.password=asdqwe
### redis configuratiokn end

RedisConfiguration类

package com.kawa.spbgateway.config;

import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;

@Configuration
public class RedisConfiguration {
    @Bean
    public StringRedisTemplate redisTemplate(RedisConnectionFactory redisConnectionFactory) {
        StringRedisTemplate redisTemplate = new StringRedisTemplate();
        //设置工厂链接
        redisTemplate.setConnectionFactory(redisConnectionFactory);
        //设置自定义序列化方式
        setSerializeConfig(redisTemplate);
        return redisTemplate;
    }

    private void setSerializeConfig(StringRedisTemplate redisTemplate) {
        StringRedisSerializer stringRedisSerializer = new StringRedisSerializer();
        redisTemplate.setKeySerializer(stringRedisSerializer);
        redisTemplate.setHashKeySerializer(stringRedisSerializer);
        Jackson2JsonRedisSerializer jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer(Object.class);
        ObjectMapper om = new ObjectMapper();
        om.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
        jackson2JsonRedisSerializer.setObjectMapper(om);
        redisTemplate.setValueSerializer(jackson2JsonRedisSerializer);
        redisTemplate.setHashValueSerializer(jackson2JsonRedisSerializer);
        redisTemplate.afterPropertiesSet();
    }
}

RedisDynamicRouteService类

操作redis的类

package com.kawa.spbgateway.service;

import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.gateway.route.RouteDefinition;
import org.springframework.cloud.gateway.support.NotFoundException;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.stereotype.Service;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;

import java.util.ArrayList;
import java.util.List;

@Slf4j
@Service
public class RedisDynamicRouteService {

    public static final String GATEWAY_ROUTES_PREFIX = "brian:sz_home:gateway_dynamic_route:";

    @Autowired
    private StringRedisTemplate redisTemplate;

    @Autowired
    private ObjectMapper objectMapper;

    public Flux<RouteDefinition> getRouteDefinitions() {
        log.info(">>>>>>>>>> getRouteDefinitions <<<<<<<<<<");
        List<RouteDefinition> routeDefinitions = new ArrayList<>();
        redisTemplate.keys(GATEWAY_ROUTES_PREFIX+"*").stream().forEach(key -> {
            String rdStr = redisTemplate.opsForValue().get(key);
            RouteDefinition routeDefinition = null;
            try {
                routeDefinition = objectMapper.readValue(rdStr, RouteDefinition.class);
                routeDefinitions.add(routeDefinition);
            } catch (JsonProcessingException e) {
                e.printStackTrace();
            }

        });
        return Flux.fromIterable(routeDefinitions);
    }

    public Mono<Void> save(Mono<RouteDefinition> route) {
        return route.flatMap(routeDefinition -> {
            String rdStr = null;
            try {
                rdStr = objectMapper.writeValueAsString(routeDefinition);
                redisTemplate.opsForValue().set(GATEWAY_ROUTES_PREFIX + routeDefinition.getId(), rdStr);
            } catch (JsonProcessingException e) {
                e.printStackTrace();
            }

            return Mono.empty();
        });
    }

    public Mono<Void> delete(Mono<String> routeId) {
        return routeId.flatMap(id -> {
            if (redisTemplate.hasKey(GATEWAY_ROUTES_PREFIX + id)) {
                redisTemplate.delete(GATEWAY_ROUTES_PREFIX + id);
                return Mono.empty();
            }
            return Mono.defer(() -> Mono.error(new NotFoundException("routeDefinition not found, id is: " + id)));
        });
    }

    public Mono<Boolean> get(Mono<String> routeId) {
        return routeId.flatMap(id -> Mono.just(redisTemplate.hasKey(GATEWAY_ROUTES_PREFIX + id)));
    }
}

RedisRefreshRouteService类

动态刷新路由

package com.kawa.spbgateway.service;

import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.ApplicationArguments;
import org.springframework.boot.ApplicationRunner;
import org.springframework.cloud.gateway.event.RefreshRoutesEvent;
import org.springframework.cloud.gateway.route.RouteDefinition;
import org.springframework.cloud.gateway.route.RouteDefinitionWriter;
import org.springframework.context.ApplicationEventPublisher;
import org.springframework.context.ApplicationEventPublisherAware;
import org.springframework.stereotype.Service;
import org.springframework.util.Assert;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;


@Slf4j
@Service
public class RedisRefreshRouteService implements ApplicationEventPublisherAware, ApplicationRunner {

    @Autowired
    private RedisDynamicRouteService repository;

    @Autowired
    private RouteDefinitionWriter routeDefinitionWriter;


    private ApplicationEventPublisher publisher;

    @Override
    public void setApplicationEventPublisher(ApplicationEventPublisher applicationEventPublisher) {
        this.publisher = applicationEventPublisher;
    }

    private void loadRoutes(){
        log.info(">>>>>>>>>> init routes from redis <<<<<<<<<<");
        Flux<RouteDefinition> routeDefinitions = repository.getRouteDefinitions();
        routeDefinitions.subscribe(r-> {
            routeDefinitionWriter.save(Mono.just(r)).subscribe();
        });
        publisher.publishEvent(new RefreshRoutesEvent(this));
    }

    public void add(RouteDefinition routeDefinition){
        Assert.notNull(routeDefinition.getId(),"routeDefinition is can not be null");
        repository.save(Mono.just(routeDefinition)).subscribe();
        routeDefinitionWriter.save(Mono.just(routeDefinition)).subscribe();
        publisher.publishEvent(new RefreshRoutesEvent(this));
    }

    public void update(RouteDefinition routeDefinition){
        Assert.notNull(routeDefinition.getId(),"routeDefinition is can not be null");
        repository.delete(Mono.just(routeDefinition.getId())).subscribe();
        routeDefinitionWriter.delete(Mono.just(routeDefinition.getId())).subscribe();
        repository.save(Mono.just(routeDefinition)).subscribe();
        routeDefinitionWriter.save(Mono.just(routeDefinition)).subscribe();
        publisher.publishEvent(new RefreshRoutesEvent(this));
    }


    public void delete(String id){
        Assert.notNull(id,"routeDefinition is can not be null");
        repository.delete(Mono.just(id)).subscribe();
        routeDefinitionWriter.delete(Mono.just(id)).subscribe();
        publisher.publishEvent(new RefreshRoutesEvent(this));
    }

    @Override
    public void run(ApplicationArguments args) throws Exception {
        loadRoutes();
    }
}

RedisDynamicRouteController类

package com.kawa.spbgateway.controller;

import com.kawa.spbgateway.service.RedisRefreshRouteService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.gateway.route.RouteDefinition;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.*;
import reactor.core.publisher.Mono;

@RestController
@RequestMapping("/local")
public class RedisDynamicRouteController {

    @Autowired
    private RedisRefreshRouteService dynamicRouteService;

    @PostMapping("/add")
    public Mono<ResponseEntity<String>> create(@RequestBody RouteDefinition entity) {
        dynamicRouteService.add(entity);
        return Mono.just(new ResponseEntity<>("save success", HttpStatus.OK));
    }

    @PostMapping("/update")
    public Mono<ResponseEntity<String>> update(@RequestBody RouteDefinition entity) {
        dynamicRouteService.update(entity);
        return Mono.just(new ResponseEntity<>("update success", HttpStatus.OK));
    }

    @PostMapping("/delete/{id}")
    public Mono<ResponseEntity<String>> delete(@PathVariable String id) {
        dynamicRouteService.delete(id);
        return Mono.just(new ResponseEntity<>("delete success", HttpStatus.OK));
    }

}

ok,测试下

启动项目，查询下actuator接口，http://localhost:8080/actuator/gateway/routedefinitions 没有任何RouteDefinition

postman插入一条RouteDefinition信息，http://127.0.0.1:8080/local/add

再次查询RouteDefinitions信息，可以看到新添加进来的路由

ok,测试下路由是否生效

可以看到接口有数据返回，日志信息发现通过接口添加的路由生效了,转发到了目标接口

接下来删除路由继续测试下

调用删除接口后，通过actuator查询确认路由被删除了

再次测试目标接口，404 Not Found

3. 基于本地内存Memory的动态路由

基于本地内存的方式比较简单，Spring Boot已经提供了两个组件Spring Boot Admin 和 Spring Boot Actuator,我这边只用Actuator来实现路由动态变化

3.1 相关配置和接口

<dependency>
      <groupId>org.springframework.boot</groupId>
     <artifactId>spring-boot-starter-actuator</artifactId>
</dependency>

o.s.c.g.a.GatewayControllerEndpoint:
{GET /routes/{id}}: route(String)
{GET /routes}: routes()
{GET /routedefinitions}: routesdef()
{GET /globalfilters}: globalfilters()
{GET /routefilters}: routefilers()
{GET /routepredicates}: routepredicates()
{GET /routes/{id}/combinedfilters}: combinedfilters(String)
{DELETE /routes/{id}}: delete(String)
{POST /routes/{id}}: save(String,RouteDefinition)
{POST /refresh}: refresh()

3.2 实现思路

和上面一样核心接口，routeDefinitionWriter.save(), routeDefinitionWriter.delete(),publisher.publishEvent(new RefreshRoutesEvent(this))

测试一下

项目启动的时候，不配置任何路由， 测试接口http://127.0.0.1:8080/actuator/gateway/routedefinitions 没有任何信息

尝试添加一条路由信息，http://127.0.0.1:8080/actuator/gateway/routes/org.springframework.util.AlternativeJdkIdGenerator@3f203441

最后测试下，路由有没有添加到内存，先刷新缓存http://127.0.0.1:8080/actuator/gateway/refresh，再次请求http://127.0.0.1:8080/actuator/gateway/routedefinitions

 

可以发现路由已经到本地内存了，目标路由这里就不测试了，下面的基于File的动态路由会再次测试目标路由

4.基于本地File的动态路由

4.1 实现思路

上代码

route配置yml

根据不用业务通过文件名区分开

card-hk.yml

routes:
  - uri: http://card-hk.${gateway.route.domain.postfix}
    predicates:
      - Path=/api/hk/card/v1/uuu/query
      - Method=POST
  - uri: http://card-hk.${gateway.route.domain.postfix}
    predicates:
      - Path=/api/hk/card/v1/er/query
      - Method=POST

pancake.yml

routes:
  - uri: http://pancake.${gateway.route.domain.postfix}
    predicates:
      - Path=^/api/pancake/v1/*,^/api/pancake/v1/*/query

  - predicates:
      - Path=/api/pancake/v1/coin/query
    filters:
      - RewritePath=/api/pancake/v1/coin/query, /api/v1/coin/query

passport-hk.yml

routes:
  - uri: http://passport-hk.${gateway.route.domain.postfix}
    predicates:
      - Path=/api/passport-hk/v1/passport/query
    auths:
      - sms

FileRefreshRouteService类

实现定时任务，启动刷新路由

package com.kawa.spbgateway.service;

import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.CommandLineRunner;
import org.springframework.cloud.gateway.event.RefreshRoutesEvent;
import org.springframework.context.ApplicationEventPublisher;
import org.springframework.context.ApplicationEventPublisherAware;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Service;

import java.io.IOException;

@Slf4j
@Service
public class FileRefreshRouteService implements ApplicationEventPublisherAware, CommandLineRunner {

    @Autowired
    private FileDynamicRouteService routeService;

    @Autowired
    private ApplicationEventPublisher applicationEventPublisher;

    @Override
    public void setApplicationEventPublisher(ApplicationEventPublisher applicationEventPublisher) {
        this.applicationEventPublisher = applicationEventPublisher;
    }

    @Scheduled(cron = "0/5 * * * * ?")
    private void autoRefresh() {
        refreshRoute();
    }

    private synchronized void refreshRoute() {
        try {
            log.info(">>>>>>>>>> start refresh route <<<<<<<<<<");
            if (routeService.refreshRoutes()) {
                log.info(")))))))))))))))))))))))))))))) FileRefreshRouteService refreshRoute～～～");
                applicationEventPublisher.publishEvent(new RefreshRoutesEvent(this));
            }
        } catch (IOException e) {
            log.error("Refresh route failed :{}", e.getMessage());
            throw new IllegalStateException("Refresh route failed :{}", e);
        }
    }

    @Override
    public void run(String... args) {
        refreshRoute();
    }
}

FileDynamicRouteService类

实现路由刷新的功能，包括checksum路由文件是否修改，是否更新路由

package com.kawa.spbgateway.service;

import com.kawa.spbgateway.domain.BrianGatewayProperties;
import com.kawa.spbgateway.property.RefreshRoutePropertySource;
import com.kawa.spbgateway.transformer.BrianRouteDefinitionTransformer;
import com.kawa.spbgateway.util.ChecksumUtil;
import lombok.extern.slf4j.Slf4j;
import org.springframework.boot.context.properties.bind.Binder;
import org.springframework.boot.env.PropertySourceLoader;
import org.springframework.cloud.gateway.route.RouteDefinition;
import org.springframework.cloud.gateway.route.RouteDefinitionRepository;
import org.springframework.cloud.gateway.support.NotFoundException;
import org.springframework.core.env.ConfigurableEnvironment;
import org.springframework.core.env.Environment;
import org.springframework.core.env.MutablePropertySources;
import org.springframework.core.env.PropertySource;
import org.springframework.core.io.FileSystemResource;
import org.springframework.core.io.Resource;
import org.springframework.core.io.support.SpringFactoriesLoader;
import org.springframework.stereotype.Service;
import org.springframework.util.CollectionUtils;
import org.springframework.util.StringUtils;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;

import java.io.IOException;
import java.nio.file.DirectoryStream;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.*;
import java.util.concurrent.ConcurrentHashMap;
import java.util.stream.Collectors;

import static com.kawa.spbgateway.content.Contents.*;

@Service
@Slf4j
public class FileDynamicRouteService implements RouteDefinitionRepository {

    private Environment environment;

    private String folder;

    private List<String> resourceFileExt;

    private ConcurrentHashMap<String, String> fileChecksumMap = new ConcurrentHashMap<>(32);

    private ConcurrentHashMap<String, RouteDefinition> routes = new ConcurrentHashMap<>(32);

    private BrianRouteDefinitionTransformer transformer = new BrianRouteDefinitionTransformer();

    public FileDynamicRouteService(Environment environment) {
        this.environment = environment;
    }

    public boolean refreshRoutes() throws IOException {
        getAndInitProperties();
        List<Resource> resources = getCustomizedConfigs();
        if (isRefresh(resources)) {
            updateFileChecksumMap(resources);
            updateRefreshRoutePropertySource(resources);
            refreshRouteCache(readRouteConfig(resources));
            return true;
        }
        log.info(">>>>>>>>>> no need refresh route <<<<<<<<<<");
        return false;
    }

    /**
     * @param targets
     */
    private void refreshRouteCache(List<RouteDefinition> targets) {
        // when first load the RouteDefinition
        if (CollectionUtils.isEmpty(routes)) {
            targets.forEach(rd -> {
                // add routeDefinition
                save(Mono.just(rd)).subscribe();
                log.info(">>>>>>>>>> init add routeDefinition:{}", rd);
            });
            return;
        }

        List<RouteDefinition> definitions = new ArrayList<>();
        Collections.addAll(definitions, new RouteDefinition[routes.size()]);
        Collections.copy(definitions, routes.values().stream().collect(Collectors.toList()));

        targets.forEach(rd -> {
            if (Objects.isNull(routes.get(rd.getId()))) {
                // add new RouteDefinition
                save(Mono.just(rd)).subscribe();
                log.info(">>>>>>>>>> add routeDefinition:{}", rd);
            }
            // not null don't update
            if (Objects.nonNull(routes.get(rd.getId())) && rd.equals(routes.get(rd.getId()))) {
                definitions.remove(rd);
            }
        });

        // remove RouteDefinition
        if (Objects.nonNull(definitions)) {
            definitions.forEach(rd -> {
                delete(Mono.just(rd.getId())).subscribe();
                log.info(">>>>>>>>>> delete routeDefinition:{}", rd);
            });
        }
    }

    private List<RouteDefinition> readRouteConfig(List<Resource> resources) {
        Binder binder = Binder.get(environment);
        List<RouteDefinition> configs = new ArrayList<>();
        resources.stream().map(res -> res.getFilename()).forEach(fn -> {
            if (!fn.isEmpty()) {
                log.info(">>>>>>>>>> BrianGatewayProperties filename:{}", fn);
                BrianGatewayProperties brianGatewayProperties =
                        binder.bindOrCreate(fn, BrianGatewayProperties.class);
                log.info(">>>>>>>>>> {}", brianGatewayProperties);
                brianGatewayProperties.getRoutes().forEach(route -> {
                    configs.add(transformer.transform(route, route.getUri() == null ? null : route.getUri().toString()));
                });
            }
        });
        return configs;
    }


    private void updateRefreshRoutePropertySource(List<Resource> resources) {
        if (environment instanceof ConfigurableEnvironment) {
            MutablePropertySources propertySources =
                    ((ConfigurableEnvironment) this.environment).getPropertySources();

            List<PropertySourceLoader> propertySourceLoaders =
                    SpringFactoriesLoader.loadFactories(PropertySourceLoader.class, getClass().getClassLoader());
            if (null != folder) {
                resources.forEach(res -> {
                    addCustomizedResource(propertySources, res, propertySourceLoaders);
                });
            }
        }
    }

    /**
     * @param propertySources
     * @param resource
     * @param propertySourceLoaders
     * @return
     */
    private void addCustomizedResource(MutablePropertySources propertySources, Resource resource,
                                       List<PropertySourceLoader> propertySourceLoaders) {
        propertySourceLoaders.forEach(psl -> {
            List<String> fileExts = Arrays.asList(psl.getFileExtensions());
            String filename = resource.getFilename();
            if (fileExts.contains(StringUtils.getFilenameExtension(filename))) {
                log.info(">>>>>>>>>> load file resource: {}", filename);
                try {
                    List<PropertySource<?>> propertySourceList = psl.load(filename, resource);
                    propertySourceList.forEach(ps -> {
                        String psName = ps.getName();
                        PropertySource refreshRoutePropertySource = new RefreshRoutePropertySource(psName, ps);
                        propertySources.addLast(refreshRoutePropertySource);
                        log.info(">>>>>>>>>> MutablePropertySources add propertySource: {}", psName);
                    });
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        });
    }

    private void updateFileChecksumMap(List<Resource> resources) throws IOException {
        fileChecksumMap.clear();
        for (Resource resource : resources) {
            String fileName = resource.getFile().getName();
            // todo, or can use a easy way that use lastModified replace checksum -> resource.getFile().lastModified();
            String checksum = ChecksumUtil.checkSumByMD5(resource.getFile());
            log.info(">>>>>>>>>> fileName:{},checksum:{}", fileName, checksum);
            fileChecksumMap.put(fileName, checksum);
        }
    }


    private void getAndInitProperties() {
        if (!StringUtils.hasText(folder)) {
            folder = environment.getProperty(SEARCH_FOLDER_KEY) == null ?
                    environment.getProperty(DEFAULT_FOLDER_KEY) : environment.getProperty(SEARCH_FOLDER_KEY);
            resourceFileExt = Arrays.asList(environment.getProperty(RESOURCE_FILE_EXTENSION_KEY, String[].class,
                    DEFAULT_RESOURCE_FILE_EXTENSIONS));
        }
    }

    private List<Resource> getCustomizedConfigs() {
        List<Resource> resources = new ArrayList<>();
        List<String> exclude = Arrays.asList(EXCLUDES);
        try (DirectoryStream<Path> stream = Files.newDirectoryStream(Paths.get(folder))) {
            stream.forEach(path -> {
                if (!path.toFile().isDirectory() &&
                        resourceFileExt.contains(StringUtils.getFilenameExtension(path.toFile().getName()))
                        && !exclude.contains(path.toFile().getName())
                ) {
                    log.debug(">>>>>>>>>> load file source: {}", path);
                    resources.add(new FileSystemResource(path));
                }
            });
        } catch (IOException e) {
            throw new IllegalStateException(String.format("open %s field, %s", folder, e));
        }
        return resources;
    }

    private boolean isRefresh(List<Resource> resources) {

        if (resources.size() != fileChecksumMap.size()) {
            return true;
        }

        if (!Objects.equals(Arrays.asList(fileChecksumMap.keySet().stream().sorted().toArray()),
                Arrays.asList(resources.stream().map(res -> res.getFilename()).sorted().toArray()))) {
            return true;
        }
        for (Resource resource : resources) {
            try {
                if (!fileChecksumMap.get(resource.getFilename()).equals(ChecksumUtil.checkSumByMD5(resource.getFile()))) {
                    return true;
                }
            } catch (IOException e) {
                log.info(">>>>>>>>>> isRefresh checksum error:{}", e.getMessage());
            }
        }
        return false;
    }

    @Override
    public Flux<RouteDefinition> getRouteDefinitions() {
        log.info(")))))))))))))))))))))))))))))) FileDynamicRouteService getRouteDefinitions～～～");
        return Flux.fromIterable(routes.values());
    }

    @Override
    public Mono<Void> save(Mono<RouteDefinition> route) {
        return route.flatMap(r -> {
            routes.put(r.getId(), r);
            return Mono.empty();
        });
    }

    @Override
    public Mono<Void> delete(Mono<String> routeId) {
        return routeId.flatMap(id -> {
            log.debug(">>>>>>>>>> remove the RouteDefinition id is: {}", id);
            if (routes.keySet().contains(id)) {
                routes.remove(id);
                return Mono.empty();
            }
            return Mono.defer(() -> Mono.error(new NotFoundException(String.format("RouteDefinition not found -> %s", routeId))));
        });
    }
}

BrianRouteDefinition类 

主要是为了扩展RouteDefinition，添加一些新的路由配置属性

package com.kawa.spbgateway.route;

import lombok.Data;
import org.springframework.cloud.gateway.route.RouteDefinition;
import org.springframework.validation.annotation.Validated;

import java.util.ArrayList;
import java.util.List;
import java.util.Objects;

@Validated
@Data
public class BrianRouteDefinition extends RouteDefinition {
    private List<String> apiKeys = new ArrayList<>();
    private List<String> auths = new ArrayList<>();

    @Override
    public int hashCode() {
        return Objects.hash(getId(), getPredicates(), getFilters(), getUri(), getMetadata(), getOrder(),
                this.apiKeys, this.auths);
    }

    @Override
    public String toString() {
        return "{" +
                "id=" + getId() +
                ", uri=" + getUri() +
                ", predicates=" + getPredicates() +
                ", filters=" + getFilters() +
                ", metadata=" + getMetadata() +
                ", order=" + getOrder() +
                ", apiKeys=" + apiKeys +
                ", auths=" + auths +
                '}';
    }
}

BrianConfigGatewayFilterFactory类

该类是为了处理BrianRouteDefinition里面的属性，我这边就简单的赋值给exchange

package com.kawa.spbgateway.filter;

import lombok.extern.slf4j.Slf4j;
import org.springframework.cloud.gateway.filter.GatewayFilter;
import org.springframework.cloud.gateway.filter.OrderedGatewayFilter;
import org.springframework.cloud.gateway.filter.factory.AbstractGatewayFilterFactory;
import org.springframework.stereotype.Component;
import org.springframework.web.server.ServerWebExchange;

import java.util.List;
import java.util.Objects;

import static com.kawa.spbgateway.content.Contents.*;

@Slf4j
@Component
public class BrianConfigGatewayFilterFactory extends AbstractGatewayFilterFactory<BrianConfigGatewayFilterFactory.Config> {

    public BrianConfigGatewayFilterFactory() {
        super(Config.class);
    }

    @Override
    public GatewayFilter apply(Config config) {
        return new OrderedGatewayFilter((exchange, chain) -> {
            initExchangeAttr(config, exchange);
            return chain.filter(exchange);
        }, 120);
    }

    private void initExchangeAttr(Config config, ServerWebExchange exchange) {
        if (Objects.nonNull(config.getAuths())) {
            exchange.getAttributes().put(GATEWAY_CONFIG_CLASS_AUTH, config.getAuths());
        }
        if (Objects.requireNonNull(config.getApiKeys()).size() > 0) {
            exchange.getAttributes().put(GATEWAY_CONFIG_CLASS_API_KEYS, config.getApiKeys());
        }
    }

    public static class Config {
        private String[] auths;
        private List<String> apiKeys;

        public String[] getAuths() {
            return auths;
        }

        public void setAuths(String[] auths) {
            this.auths = auths;
        }

        public List<String> getApiKeys() {
            return apiKeys;
        }

        public void setApiKeys(List<String> apiKeys) {
            this.apiKeys = apiKeys;
        }
    }
}

RefreshRoutePropertySource类

自定义一个PropertySpurce加了自己的前缀，此处为了方便自己识别，也方便自己管理在内存中的路由

package com.kawa.spbgateway.property;


import org.springframework.core.env.PropertySource;
import org.springframework.util.Assert;

import java.util.Objects;

/**
 * RefreshRoutePropertySource
 * add a prefix for an existing property source
 */
public class RefreshRoutePropertySource extends PropertySource {

    private PropertySource innerPropertySource;
    private String prefix;

    public RefreshRoutePropertySource(String prefix, PropertySource origin) {
        super("RefreshRoutePropertySource-" + origin.getName());
        this.innerPropertySource = origin;
        this.prefix = prefix;
    }

    @Override
    public Object getProperty(String name) {
        Assert.notNull(name, "name can not be null!");
        var target = prefix + ".";
        if (name.startsWith(target)) {
            return innerPropertySource.getProperty(name.replace(target, ""));
        }
        return null;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (o == null || getClass() != o.getClass()) return false;
        if (!super.equals(o)) return false;
        RefreshRoutePropertySource that = (RefreshRoutePropertySource) o;
        return innerPropertySource.equals(that.innerPropertySource) && prefix.equals(that.prefix);
    }

    @Override
    public int hashCode() {
        return Objects.hash(super.hashCode(), innerPropertySource, prefix);
    }
}

BrianGatewayProperties类

配合Springboot的Binder从内存获取自定义的路由BrianRouteDefinition

package com.kawa.spbgateway.domain;

import com.kawa.spbgateway.route.BrianRouteDefinition;
import lombok.Data;

import java.util.ArrayList;
import java.util.List;

@Data
public class BrianGatewayProperties {
    private String url;
    private List<BrianRouteDefinition> routes =new ArrayList<>();
}

BrianRouteDefinitionTransformer类

将路由配置文件读取的配置信息,赋值给BrianRouteDefinition

package com.kawa.spbgateway.transformer;

import com.kawa.spbgateway.config.ApiKeysConfiguration;
import com.kawa.spbgateway.route.BrianRouteDefinition;
import lombok.extern.slf4j.Slf4j;
import org.springframework.cloud.gateway.filter.FilterDefinition;
import org.springframework.cloud.gateway.handler.predicate.PredicateDefinition;
import org.springframework.cloud.gateway.route.RouteDefinition;
import org.springframework.util.StringUtils;

import java.net.URI;
import java.util.*;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import java.util.stream.Collectors;

import static com.kawa.spbgateway.content.Contents.*;

@Slf4j
public class BrianRouteDefinitionTransformer {
    private String defaultRewritePathRegexp = "^/api/(?<domain>[a-zA-Z-]*)/v(?<version>[0-9])/(?<path>.*)";
    private String defaultRewritePathReplacement = "/v$\{version}/$\{path}";
    private String extendRewritePathRegexp = "^/api/(?<region>[a-zA-Z-]*)/(?<domain>[a-zA-Z-]*)/v(?<version>[0-9])/(?<path>.*)";
    private String extendRewritePathReplacement = "/v$\{version}/$\{path}";

    private String defaultRewriteDomainRegexp = "^/api/(?<domain>[a-zA-Z-]*)/v.+/.*";
    private String defaultRewriteDomainReplacement = "https://$\{domain}.free.beeceptor.com";
    private String extendRewriteDomainRegexp = "^/api/(?<region>[a-zA-Z-]*)/(?<domain>[a-zA-Z-]*)/v.+/.*";
    private String extendRewriteDomainReplacement = "https://$\{domain}-$\{region}.free.beeceptor.com";

    private List<String> default1FAValues = Arrays.asList("pwd", "sms", "gAuth");

    private List<String> default2FAValues = Arrays.asList("pwd+sms", "sms+gAuth");

    private ApiKeysConfiguration apiKeys;

    public RouteDefinition transform(BrianRouteDefinition brianRouteDefinition, String uri) {
        // add ConfigGatewayFilter
        FilterDefinition configFilter = new FilterDefinition();
        configFilter.setName(CONFIG_GATEWAY_FILTER_CLASS_NAME);
        HashMap<String, String> configArgs = new HashMap<>();

        var apiKeyString = brianRouteDefinition.getApiKeys().stream().map(ak -> apiKeys.getValue(ak)).collect(Collectors.toList()).toString();
        configArgs.put(GATEWAY_CONFIG_CLASS_API_KEYS, apiKeyString.substring(1, apiKeyString.length() - 1));

        configArgs.put(GATEWAY_CONFIG_CLASS_AUTH, default1FAValues.toString());
        if (Objects.nonNull(brianRouteDefinition.getAuths()) &&
                brianRouteDefinition.getAuths().size() > 0) {
            configArgs.put(GATEWAY_CONFIG_CLASS_AUTH, brianRouteDefinition.getAuths().toString());
        }
        configFilter.setArgs(configArgs);
        brianRouteDefinition.getFilters().add(configFilter);

        if (StringUtils.hasText(uri)) {
            brianRouteDefinition.setUri(URI.create(uri));
            // set route id
            setRouteId(brianRouteDefinition);
        }
        long count = brianRouteDefinition.getFilters().stream()
                .filter(filterDefinition -> filterDefinition.getName().equals(REWRITE_GATEWAY_FILTER_CLASS_NAME))
                .count();
        // get path value from Prediction config
        var path = getPathString(brianRouteDefinition);
        log.info(">>>>>>>>>> route path: {}", path);
        var replacement = defaultRewriteDomainReplacement.replace("$\", "$");
        Pattern pattern = Pattern.compile(defaultRewriteDomainRegexp);
        Matcher defaultMatcher = pattern.matcher(path);
        if (defaultMatcher.matches()) {
            String newDomain = defaultMatcher.replaceAll(replacement);
            log.info(">>>>>>>>>>  redefine the path {{}} and new domain {{}}", path, newDomain);
            if (Objects.isNull(brianRouteDefinition.getUri())) {
                brianRouteDefinition.setUri(URI.create(newDomain));
                // set route id
                setRouteId(brianRouteDefinition);
            }
            // add RewritePathGatewayFilter
            if (count < 1L) {
                addRewriteFilter(brianRouteDefinition, defaultRewritePathRegexp, defaultRewritePathReplacement);
            }
            return brianRouteDefinition;
        }

        var replacementExt = extendRewriteDomainReplacement.replace("$\", "$");
        Pattern patternExt = Pattern.compile(extendRewriteDomainRegexp);
        Matcher defaultExtMatcher = patternExt.matcher(path);
        if (defaultExtMatcher.matches()) {
            String newDomain = defaultExtMatcher.replaceAll(replacementExt);
            if (Objects.isNull(brianRouteDefinition.getUri())) {
                brianRouteDefinition.setUri(URI.create(newDomain));
                // set route id
                setRouteId(brianRouteDefinition);
            }
            // add RewritePathGatewayFilter
            if (count < 1L) {
                addRewriteFilter(brianRouteDefinition, extendRewritePathRegexp, extendRewritePathReplacement);
            }
            return brianRouteDefinition;
        }
        if (Objects.isNull(brianRouteDefinition.getUri())) {
            brianRouteDefinition.setUri(URI.create(FALL_BACK_URI + path));
            // set route id
            setRouteId(brianRouteDefinition);
        }
        return brianRouteDefinition;
    }

    private void setRouteId(BrianRouteDefinition customizedRouteDefinition) {
        String url = customizedRouteDefinition.getUri().toString();
        customizedRouteDefinition.setId(String.format("%s@%s", url, customizedRouteDefinition.hashCode()));
    }

    private void addRewriteFilter(BrianRouteDefinition customizedRouteDefinition, String rewritePathRegexp, String rewritePathReplacement) {
        FilterDefinition rewriteFilter = new FilterDefinition();
        rewriteFilter.setName(REWRITE_GATEWAY_FILTER_CLASS_NAME);
        HashMap<String, String> rewriteFilterArgs = new HashMap<>();
        rewriteFilterArgs.put(REWRITE_GATEWAY_FILTER_REGEXP, rewritePathRegexp);
        rewriteFilterArgs.put(REWRITE_GATEWAY_FILTER_REPLACEMENT, rewritePathReplacement);
        rewriteFilter.setArgs(rewriteFilterArgs);
        customizedRouteDefinition.getFilters().add(rewriteFilter);
    }

    private String getPathString(BrianRouteDefinition customizedRouteDefinition) {
        for (PredicateDefinition predicateDefinition : customizedRouteDefinition.getPredicates()) {
            if (PREDICATE_PATH.equals(predicateDefinition.getName())) {
                var firstKey = predicateDefinition.getArgs().keySet().iterator().next();
                return predicateDefinition.getArgs().get(firstKey);
            }
        }
        return FALL_BACK_URI;
    }

}

ok,测试下，启动项目

INFO   [restartedMain] 2021-09-12 21:11:11.451 c.k.s.s.FileRefreshRouteService - >>>>>>>>>> start refresh route <<<<<<<<<<
DEBUG  [restartedMain] 2021-09-12 21:11:11.455 c.k.s.s.FileDynamicRouteService - >>>>>>>>>> load file source: /home/un/code/springBoot_2017/spb-demo/spb-gateway/src/main/resources/card-hk.yml
DEBUG  [restartedMain] 2021-09-12 21:11:11.455 c.k.s.s.FileDynamicRouteService - >>>>>>>>>> load file source: /home/un/code/springBoot_2017/spb-demo/spb-gateway/src/main/resources/pancake.yml
DEBUG  [restartedMain] 2021-09-12 21:11:11.455 c.k.s.s.FileDynamicRouteService - >>>>>>>>>> load file source: /home/un/code/springBoot_2017/spb-demo/spb-gateway/src/main/resources/passport-hk.yml
INFO   [restartedMain] 2021-09-12 21:11:11.463 c.k.s.s.FileDynamicRouteService - >>>>>>>>>> fileName:card-hk.yml,checksum:3867921742
INFO   [restartedMain] 2021-09-12 21:11:11.463 c.k.s.s.FileDynamicRouteService - >>>>>>>>>> fileName:pancake.yml,checksum:2400413005
INFO   [restartedMain] 2021-09-12 21:11:11.464 c.k.s.s.FileDynamicRouteService - >>>>>>>>>> fileName:passport-hk.yml,checksum:140450225
INFO   [restartedMain] 2021-09-12 21:11:11.465 c.k.s.s.FileDynamicRouteService - >>>>>>>>>> load file resource: card-hk.yml
DEBUG  [restartedMain] 2021-09-12 21:11:11.492 o.s.boot.env.OriginTrackedYamlLoader - Loading from YAML: file [/home/un/code/springBoot_2017/spb-demo/spb-gateway/src/main/resources/card-hk.yml]
DEBUG  [restartedMain] 2021-09-12 21:11:11.514 o.s.boot.env.OriginTrackedYamlLoader - Merging document (no matchers set): {routes=[{uri=http://card-hk.${gateway.route.domain.postfix}, predicates=[Path=/api/hk/card/v1/uuu/query, Method=POST]}, {uri=http://card-hk.${gateway.route.domain.postfix}, predicates=[Path=/api/hk/card/v1/er/query, Method=POST]}]}
DEBUG  [restartedMain] 2021-09-12 21:11:11.515 o.s.boot.env.OriginTrackedYamlLoader - Loaded 1 document from YAML resource: file [/home/un/code/springBoot_2017/spb-demo/spb-gateway/src/main/resources/card-hk.yml]
INFO   [restartedMain] 2021-09-12 21:11:11.516 c.k.s.s.FileDynamicRouteService - >>>>>>>>>> MutablePropertySources add propertySource: card-hk.yml
INFO   [restartedMain] 2021-09-12 21:11:11.516 c.k.s.s.FileDynamicRouteService - >>>>>>>>>> load file resource: pancake.yml
DEBUG  [restartedMain] 2021-09-12 21:11:11.516 o.s.boot.env.OriginTrackedYamlLoader - Loading from YAML: file [/home/un/code/springBoot_2017/spb-demo/spb-gateway/src/main/resources/pancake.yml]
DEBUG  [restartedMain] 2021-09-12 21:11:11.517 o.s.boot.env.OriginTrackedYamlLoader - Merging document (no matchers set): {routes=[{uri=http://pancake.${gateway.route.domain.postfix}, predicates=[Path=^/api/pancake/v1/*,^/api/pancake/v1/*/query]}, {predicates=[Path=/api/pancake/v1/coin/query], filters=[RewritePath=/api/pancake/v1/coin/query, /api/v1/coin/query]}]}
DEBUG  [restartedMain] 2021-09-12 21:11:11.518 o.s.boot.env.OriginTrackedYamlLoader - Loaded 1 document from YAML resource: file [/home/un/code/springBoot_2017/spb-demo/spb-gateway/src/main/resources/pancake.yml]
INFO   [restartedMain] 2021-09-12 21:11:11.518 c.k.s.s.FileDynamicRouteService - >>>>>>>>>> MutablePropertySources add propertySource: pancake.yml
INFO   [restartedMain] 2021-09-12 21:11:11.518 c.k.s.s.FileDynamicRouteService - >>>>>>>>>> load file resource: passport-hk.yml
DEBUG  [restartedMain] 2021-09-12 21:11:11.519 o.s.boot.env.OriginTrackedYamlLoader - Loading from YAML: file [/home/un/code/springBoot_2017/spb-demo/spb-gateway/src/main/resources/passport-hk.yml]
DEBUG  [restartedMain] 2021-09-12 21:11:11.520 o.s.boot.env.OriginTrackedYamlLoader - Merging document (no matchers set): {routes=[{uri=http://passport-hk.${gateway.route.domain.postfix}, predicates=[Path=/api/passport-hk/v1/passport/query], auths=[sms]}]}
DEBUG  [restartedMain] 2021-09-12 21:11:11.520 o.s.boot.env.OriginTrackedYamlLoader - Loaded 1 document from YAML resource: file [/home/un/code/springBoot_2017/spb-demo/spb-gateway/src/main/resources/passport-hk.yml]
INFO   [restartedMain] 2021-09-12 21:11:11.521 c.k.s.s.FileDynamicRouteService - >>>>>>>>>> MutablePropertySources add propertySource: passport-hk.yml
INFO   [restartedMain] 2021-09-12 21:11:11.522 c.k.s.s.FileDynamicRouteService - >>>>>>>>>> BrianGatewayProperties filename:card-hk.yml
INFO   [restartedMain] 2021-09-12 21:11:11.531 c.k.s.s.FileDynamicRouteService - >>>>>>>>>> BrianGatewayProperties(url=null, routes=[{id=null, uri=http://card-hk.free.beeceptor.com, predicates=[PredicateDefinition{name='Path', args={_genkey_0=/api/hk/card/v1/uuu/query}}, PredicateDefinition{name='Method', args={_genkey_0=POST}}], filters=[], metadata={}, order=0, apiKeys=[], auths=[]}, {id=null, uri=http://card-hk.free.beeceptor.com, predicates=[PredicateDefinition{name='Path', args={_genkey_0=/api/hk/card/v1/er/query}}, PredicateDefinition{name='Method', args={_genkey_0=POST}}], filters=[], metadata={}, order=0, apiKeys=[], auths=[]}])
INFO   [restartedMain] 2021-09-12 21:11:11.553 c.k.s.t.BrianRouteDefinitionTransformer - >>>>>>>>>> route path: /api/hk/card/v1/uuu/query
INFO   [restartedMain] 2021-09-12 21:11:11.554 c.k.s.t.BrianRouteDefinitionTransformer - >>>>>>>>>> route path: /api/hk/card/v1/er/query
INFO   [restartedMain] 2021-09-12 21:11:11.554 c.k.s.s.FileDynamicRouteService - >>>>>>>>>> BrianGatewayProperties filename:pancake.yml
INFO   [restartedMain] 2021-09-12 21:11:11.565 c.k.s.s.FileDynamicRouteService - >>>>>>>>>> BrianGatewayProperties(url=null, routes=[{id=null, uri=http://pancake.free.beeceptor.com, predicates=[PredicateDefinition{name='Path', args={_genkey_0=^/api/pancake/v1/*, _genkey_1=^/api/pancake/v1/*/query}}], filters=[], metadata={}, order=0, apiKeys=[], auths=[]}, {id=null, uri=null, predicates=[PredicateDefinition{name='Path', args={_genkey_0=/api/pancake/v1/coin/query}}], filters=[FilterDefinition{name='RewritePath', args={_genkey_0=/api/pancake/v1/coin/query, _genkey_1=/api/v1/coin/query}}], metadata={}, order=0, apiKeys=[], auths=[]}])
INFO   [restartedMain] 2021-09-12 21:11:11.565 c.k.s.t.BrianRouteDefinitionTransformer - >>>>>>>>>> route path: ^/api/pancake/v1/*
INFO   [restartedMain] 2021-09-12 21:11:11.566 c.k.s.t.BrianRouteDefinitionTransformer - >>>>>>>>>> route path: /api/pancake/v1/coin/query
INFO   [restartedMain] 2021-09-12 21:11:11.566 c.k.s.t.BrianRouteDefinitionTransformer - >>>>>>>>>>  redefine the path {/api/pancake/v1/coin/query} and new domain {https://pancake.free.beeceptor.com}
INFO   [restartedMain] 2021-09-12 21:11:11.566 c.k.s.s.FileDynamicRouteService - >>>>>>>>>> BrianGatewayProperties filename:passport-hk.yml
INFO   [restartedMain] 2021-09-12 21:11:11.574 c.k.s.s.FileDynamicRouteService - >>>>>>>>>> BrianGatewayProperties(url=null, routes=[{id=null, uri=http://passport-hk.free.beeceptor.com, predicates=[PredicateDefinition{name='Path', args={_genkey_0=/api/passport-hk/v1/passport/query}}], filters=[], metadata={}, order=0, apiKeys=[], auths=[sms]}])
INFO   [restartedMain] 2021-09-12 21:11:11.575 c.k.s.t.BrianRouteDefinitionTransformer - >>>>>>>>>> route path: /api/passport-hk/v1/passport/query
INFO   [restartedMain] 2021-09-12 21:11:11.575 c.k.s.t.BrianRouteDefinitionTransformer - >>>>>>>>>>  redefine the path {/api/passport-hk/v1/passport/query} and new domain {https://passport-hk.free.beeceptor.com}
INFO   [restartedMain] 2021-09-12 21:11:11.577 c.k.s.s.FileDynamicRouteService - >>>>>>>>>> init add routeDefinition:{id=http://card-hk.free.beeceptor.com@1548203624, uri=http://card-hk.free.beeceptor.com, predicates=[PredicateDefinition{name='Path', args={_genkey_0=/api/hk/card/v1/uuu/query}}, PredicateDefinition{name='Method', args={_genkey_0=POST}}], filters=[FilterDefinition{name='BrianConfig', args={auths=[pwd, sms, gAuth], apiKeys=}}, FilterDefinition{name='RewritePath', args={regexp=^/api/(?<region>[a-zA-Z-]*)/(?<domain>[a-zA-Z-]*)/v(?<version>[0-9])/(?<path>.*), replacement=/v${version}/${path}}}], metadata={}, order=0, apiKeys=[], auths=[]}
INFO   [restartedMain] 2021-09-12 21:11:11.577 c.k.s.s.FileDynamicRouteService - >>>>>>>>>> init add routeDefinition:{id=http://card-hk.free.beeceptor.com@-679151078, uri=http://card-hk.free.beeceptor.com, predicates=[PredicateDefinition{name='Path', args={_genkey_0=/api/hk/card/v1/er/query}}, PredicateDefinition{name='Method', args={_genkey_0=POST}}], filters=[FilterDefinition{name='BrianConfig', args={auths=[pwd, sms, gAuth], apiKeys=}}, FilterDefinition{name='RewritePath', args={regexp=^/api/(?<region>[a-zA-Z-]*)/(?<domain>[a-zA-Z-]*)/v(?<version>[0-9])/(?<path>.*), replacement=/v${version}/${path}}}], metadata={}, order=0, apiKeys=[], auths=[]}
INFO   [restartedMain] 2021-09-12 21:11:11.577 c.k.s.s.FileDynamicRouteService - >>>>>>>>>> init add routeDefinition:{id=http://pancake.free.beeceptor.com@-1468813552, uri=http://pancake.free.beeceptor.com, predicates=[PredicateDefinition{name='Path', args={_genkey_0=^/api/pancake/v1/*, _genkey_1=^/api/pancake/v1/*/query}}], filters=[FilterDefinition{name='BrianConfig', args={auths=[pwd, sms, gAuth], apiKeys=}}], metadata={}, order=0, apiKeys=[], auths=[]}
INFO   [restartedMain] 2021-09-12 21:11:11.577 c.k.s.s.FileDynamicRouteService - >>>>>>>>>> init add routeDefinition:{id=https://pancake.free.beeceptor.com@1912448187, uri=https://pancake.free.beeceptor.com, predicates=[PredicateDefinition{name='Path', args={_genkey_0=/api/pancake/v1/coin/query}}], filters=[FilterDefinition{name='RewritePath', args={_genkey_0=/api/pancake/v1/coin/query, _genkey_1=/api/v1/coin/query}}, FilterDefinition{name='BrianConfig', args={auths=[pwd, sms, gAuth], apiKeys=}}], metadata={}, order=0, apiKeys=[], auths=[]}
INFO   [restartedMain] 2021-09-12 21:11:11.577 c.k.s.s.FileDynamicRouteService - >>>>>>>>>> init add routeDefinition:{id=http://passport-hk.free.beeceptor.com@1466789461, uri=http://passport-hk.free.beeceptor.com, predicates=[PredicateDefinition{name='Path', args={_genkey_0=/api/passport-hk/v1/passport/query}}], filters=[FilterDefinition{name='BrianConfig', args={auths=[sms], apiKeys=}}, FilterDefinition{name='RewritePath', args={regexp=^/api/(?<domain>[a-zA-Z-]*)/v(?<version>[0-9])/(?<path>.*), replacement=/v${version}/${path}}}], metadata={}, order=0, apiKeys=[], auths=[sms]}
INFO   [restartedMain] 2021-09-12 21:11:11.578 c.k.s.s.FileRefreshRouteService - )))))))))))))))))))))))))))))) FileRefreshRouteService refreshRoute～～～
INFO   [restartedMain] 2021-09-12 21:11:11.578 c.k.s.s.FileDynamicRouteService - )))))))))))))))))))))))))))))) FileDynamicRouteService getRouteDefinitions～～～
DEBUG  [restartedMain] 2021-09-12 21:11:11.579 o.s.c.g.r.RouteDefinitionRouteLocator - RouteDefinition http://card-hk.free.beeceptor.com@1548203624 applying {_genkey_0=/api/hk/card/v1/uuu/query} to Path
DEBUG  [restartedMain] 2021-09-12 21:11:11.627 o.s.c.g.r.RouteDefinitionRouteLocator - RouteDefinition http://card-hk.free.beeceptor.com@1548203624 applying {_genkey_0=POST} to Method
DEBUG  [restartedMain] 2021-09-12 21:11:11.634 o.s.c.g.r.RouteDefinitionRouteLocator - RouteDefinition http://card-hk.free.beeceptor.com@1548203624 applying filter {auths=[pwd, sms, gAuth], apiKeys=} to BrianConfig
DEBUG  [restartedMain] 2021-09-12 21:11:11.642 o.s.c.g.r.RouteDefinitionRouteLocator - RouteDefinition http://card-hk.free.beeceptor.com@1548203624 applying filter {regexp=^/api/(?<region>[a-zA-Z-]*)/(?<domain>[a-zA-Z-]*)/v(?<version>[0-9])/(?<path>.*), replacement=/v${version}/${path}} to RewritePath
DEBUG  [restartedMain] 2021-09-12 21:11:11.679 o.s.c.g.r.RouteDefinitionRouteLocator - RouteDefinition matched: http://card-hk.free.beeceptor.com@1548203624
DEBUG  [restartedMain] 2021-09-12 21:11:11.679 o.s.c.g.r.RouteDefinitionRouteLocator - RouteDefinition http://passport-hk.free.beeceptor.com@1466789461 applying {_genkey_0=/api/passport-hk/v1/passport/query} to Path
DEBUG  [restartedMain] 2021-09-12 21:11:11.681 o.s.c.g.r.RouteDefinitionRouteLocator - RouteDefinition http://passport-hk.free.beeceptor.com@1466789461 applying filter {auths=[sms], apiKeys=} to BrianConfig
DEBUG  [restartedMain] 2021-09-12 21:11:11.682 o.s.c.g.r.RouteDefinitionRouteLocator - RouteDefinition http://passport-hk.free.beeceptor.com@1466789461 applying filter {regexp=^/api/(?<domain>[a-zA-Z-]*)/v(?<version>[0-9])/(?<path>.*), replacement=/v${version}/${path}} to RewritePath
DEBUG  [restartedMain] 2021-09-12 21:11:11.683 o.s.c.g.r.RouteDefinitionRouteLocator - RouteDefinition matched: http://passport-hk.free.beeceptor.com@1466789461
DEBUG  [restartedMain] 2021-09-12 21:11:11.684 o.s.c.g.r.RouteDefinitionRouteLocator - RouteDefinition http://pancake.free.beeceptor.com@-1468813552 applying {_genkey_0=^/api/pancake/v1/*, _genkey_1=^/api/pancake/v1/*/query} to Path
DEBUG  [restartedMain] 2021-09-12 21:11:11.686 o.s.c.g.r.RouteDefinitionRouteLocator - RouteDefinition http://pancake.free.beeceptor.com@-1468813552 applying filter {auths=[pwd, sms, gAuth], apiKeys=} to BrianConfig
DEBUG  [restartedMain] 2021-09-12 21:11:11.688 o.s.c.g.r.RouteDefinitionRouteLocator - RouteDefinition matched: http://pancake.free.beeceptor.com@-1468813552
DEBUG  [restartedMain] 2021-09-12 21:11:11.688 o.s.c.g.r.RouteDefinitionRouteLocator - RouteDefinition https://pancake.free.beeceptor.com@1912448187 applying {_genkey_0=/api/pancake/v1/coin/query} to Path
DEBUG  [restartedMain] 2021-09-12 21:11:11.689 o.s.c.g.r.RouteDefinitionRouteLocator - RouteDefinition https://pancake.free.beeceptor.com@1912448187 applying filter {_genkey_0=/api/pancake/v1/coin/query, _genkey_1=/api/v1/coin/query} to RewritePath
DEBUG  [restartedMain] 2021-09-12 21:11:11.691 o.s.c.g.r.RouteDefinitionRouteLocator - RouteDefinition https://pancake.free.beeceptor.com@1912448187 applying filter {auths=[pwd, sms, gAuth], apiKeys=} to BrianConfig
DEBUG  [restartedMain] 2021-09-12 21:11:11.693 o.s.c.g.r.RouteDefinitionRouteLocator - RouteDefinition matched: https://pancake.free.beeceptor.com@1912448187
DEBUG  [restartedMain] 2021-09-12 21:11:11.693 o.s.c.g.r.RouteDefinitionRouteLocator - RouteDefinition http://card-hk.free.beeceptor.com@-679151078 applying {_genkey_0=/api/hk/card/v1/er/query} to Path
DEBUG  [restartedMain] 2021-09-12 21:11:11.695 o.s.c.g.r.RouteDefinitionRouteLocator - RouteDefinition http://card-hk.free.beeceptor.com@-679151078 applying {_genkey_0=POST} to Method
DEBUG  [restartedMain] 2021-09-12 21:11:11.696 o.s.c.g.r.RouteDefinitionRouteLocator - RouteDefinition http://card-hk.free.beeceptor.com@-679151078 applying filter {auths=[pwd, sms, gAuth], apiKeys=} to BrianConfig
DEBUG  [restartedMain] 2021-09-12 21:11:11.698 o.s.c.g.r.RouteDefinitionRouteLocator - RouteDefinition http://card-hk.free.beeceptor.com@-679151078 applying filter {regexp=^/api/(?<region>[a-zA-Z-]*)/(?<domain>[a-zA-Z-]*)/v(?<version>[0-9])/(?<path>.*), replacement=/v${version}/${path}} to RewritePath
DEBUG  [restartedMain] 2021-09-12 21:11:11.700 o.s.c.g.r.RouteDefinitionRouteLocator - RouteDefinition matched: http://card-hk.free.beeceptor.com@-679151078

查看日志可以看到启动后加载路由的配置，然后每个10秒会定时检查是否刷新，日志如下

INFO   [scheduling-1] 2021-09-12 21:16:20.000 c.k.s.s.FileRefreshRouteService - >>>>>>>>>> start refresh route <<<<<<<<<<
DEBUG  [scheduling-1] 2021-09-12 21:16:20.001 c.k.s.s.FileDynamicRouteService - >>>>>>>>>> load file source: /home/un/code/springBoot_2017/spb-demo/spb-gateway/src/main/resources/card-hk.yml
DEBUG  [scheduling-1] 2021-09-12 21:16:20.001 c.k.s.s.FileDynamicRouteService - >>>>>>>>>> load file source: /home/un/code/springBoot_2017/spb-demo/spb-gateway/src/main/resources/pancake.yml
DEBUG  [scheduling-1] 2021-09-12 21:16:20.001 c.k.s.s.FileDynamicRouteService - >>>>>>>>>> load file source: /home/un/code/springBoot_2017/spb-demo/spb-gateway/src/main/resources/passport-hk.yml
INFO   [scheduling-1] 2021-09-12 21:16:20.002 c.k.s.s.FileDynamicRouteService - >>>>>>>>>> no need refresh route <<<<<<<<<<
INFO   [scheduling-1] 2021-09-12 21:16:25.000 c.k.s.s.FileRefreshRouteService - >>>>>>>>>> start refresh route <<<<<<<<<<
DEBUG  [scheduling-1] 2021-09-12 21:16:25.001 c.k.s.s.FileDynamicRouteService - >>>>>>>>>> load file source: /home/un/code/springBoot_2017/spb-demo/spb-gateway/src/main/resources/card-hk.yml
DEBUG  [scheduling-1] 2021-09-12 21:16:25.001 c.k.s.s.FileDynamicRouteService - >>>>>>>>>> load file source: /home/un/code/springBoot_2017/spb-demo/spb-gateway/src/main/resources/pancake.yml
DEBUG  [scheduling-1] 2021-09-12 21:16:25.001 c.k.s.s.FileDynamicRouteService - >>>>>>>>>> load file source: /home/un/code/springBoot_2017/spb-demo/spb-gateway/src/main/resources/passport-hk.yml
INFO   [scheduling-1] 2021-09-12 21:16:25.003 c.k.s.s.FileDynamicRouteService - >>>>>>>>>> no need refresh route <<<<<<<<<<

然后，通过actuator的接口查看，可以看到路由已经生效了

ok,来测试下路由/api/passport-hk/v1/passport/query，可以看到路由生效的

日志也打印相关日志 

测试下修改路由是否生效（添加和删除路由配置，还有修改路由文件名，在这里不演示了，代码已经测试过了）

通过日志发现有路由的刷新日志

INFO   [scheduling-1] 2021-09-12 21:33:55.001 c.k.s.s.FileRefreshRouteService - >>>>>>>>>> start refresh route <<<<<<<<<<
DEBUG  [scheduling-1] 2021-09-12 21:33:55.002 c.k.s.s.FileDynamicRouteService - >>>>>>>>>> load file source: /home/un/code/springBoot_2017/spb-demo/spb-gateway/src/main/resources/card-hk.yml
DEBUG  [scheduling-1] 2021-09-12 21:33:55.002 c.k.s.s.FileDynamicRouteService - >>>>>>>>>> load file source: /home/un/code/springBoot_2017/spb-demo/spb-gateway/src/main/resources/pancake.yml
DEBUG  [scheduling-1] 2021-09-12 21:33:55.003 c.k.s.s.FileDynamicRouteService - >>>>>>>>>> load file source: /home/un/code/springBoot_2017/spb-demo/spb-gateway/src/main/resources/passport-hk.yml
INFO   [scheduling-1] 2021-09-12 21:33:55.004 c.k.s.s.FileDynamicRouteService - >>>>>>>>>> fileName:card-hk.yml,checksum:56354776
INFO   [scheduling-1] 2021-09-12 21:33:55.004 c.k.s.s.FileDynamicRouteService - >>>>>>>>>> fileName:pancake.yml,checksum:2400413005
INFO   [scheduling-1] 2021-09-12 21:33:55.004 c.k.s.s.FileDynamicRouteService - >>>>>>>>>> fileName:passport-hk.yml,checksum:1148328829
INFO   [scheduling-1] 2021-09-12 21:33:55.004 c.k.s.s.FileDynamicRouteService - >>>>>>>>>> load file resource: card-hk.yml
DEBUG  [scheduling-1] 2021-09-12 21:33:55.005 o.s.boot.env.OriginTrackedYamlLoader - Loading from YAML: file [/home/un/code/springBoot_2017/spb-demo/spb-gateway/src/main/resources/card-hk.yml]
DEBUG  [scheduling-1] 2021-09-12 21:33:55.008 o.s.boot.env.OriginTrackedYamlLoader - Merging document (no matchers set): {routes=[{uri=http://card-hk.${gateway.route.domain.postfix}, predicates=[Path=/api/hk/card/v1/card/query, Method=POST]}, {uri=http://card-hk.${gateway.route.domain.postfix}, predicates=[Path=/api/hk/card/v1/er/query, Method=POST]}]}
DEBUG  [scheduling-1] 2021-09-12 21:33:55.008 o.s.boot.env.OriginTrackedYamlLoader - Loaded 1 document from YAML resource: file [/home/un/code/springBoot_2017/spb-demo/spb-gateway/src/main/resources/card-hk.yml]
INFO   [scheduling-1] 2021-09-12 21:33:55.009 c.k.s.s.FileDynamicRouteService - >>>>>>>>>> MutablePropertySources add propertySource: card-hk.yml
INFO   [scheduling-1] 2021-09-12 21:33:55.009 c.k.s.s.FileDynamicRouteService - >>>>>>>>>> load file resource: pancake.yml
DEBUG  [scheduling-1] 2021-09-12 21:33:55.009 o.s.boot.env.OriginTrackedYamlLoader - Loading from YAML: file [/home/un/code/springBoot_2017/spb-demo/spb-gateway/src/main/resources/pancake.yml]
DEBUG  [scheduling-1] 2021-09-12 21:33:55.010 o.s.boot.env.OriginTrackedYamlLoader - Merging document (no matchers set): {routes=[{uri=http://pancake.${gateway.route.domain.postfix}, predicates=[Path=^/api/pancake/v1/*,^/api/pancake/v1/*/query]}, {predicates=[Path=/api/pancake/v1/coin/query], filters=[RewritePath=/api/pancake/v1/coin/query, /api/v1/coin/query]}]}
DEBUG  [scheduling-1] 2021-09-12 21:33:55.011 o.s.boot.env.OriginTrackedYamlLoader - Loaded 1 document from YAML resource: file [/home/un/code/springBoot_2017/spb-demo/spb-gateway/src/main/resources/pancake.yml]
INFO   [scheduling-1] 2021-09-12 21:33:55.011 c.k.s.s.FileDynamicRouteService - >>>>>>>>>> MutablePropertySources add propertySource: pancake.yml
INFO   [scheduling-1] 2021-09-12 21:33:55.011 c.k.s.s.FileDynamicRouteService - >>>>>>>>>> load file resource: passport-hk.yml
DEBUG  [scheduling-1] 2021-09-12 21:33:55.011 o.s.boot.env.OriginTrackedYamlLoader - Loading from YAML: file [/home/un/code/springBoot_2017/spb-demo/spb-gateway/src/main/resources/passport-hk.yml]
DEBUG  [scheduling-1] 2021-09-12 21:33:55.013 o.s.boot.env.OriginTrackedYamlLoader - Merging document (no matchers set): {routes=[{uri=http://passport-hk.${gateway.route.domain.postfix}, predicates=[Path=/api/passport-hk/v1/passport/query], auths=[sms]}]}
DEBUG  [scheduling-1] 2021-09-12 21:33:55.013 o.s.boot.env.OriginTrackedYamlLoader - Loaded 1 document from YAML resource: file [/home/un/code/springBoot_2017/spb-demo/spb-gateway/src/main/resources/passport-hk.yml]
INFO   [scheduling-1] 2021-09-12 21:33:55.013 c.k.s.s.FileDynamicRouteService - >>>>>>>>>> MutablePropertySources add propertySource: passport-hk.yml
INFO   [scheduling-1] 2021-09-12 21:33:55.013 c.k.s.s.FileDynamicRouteService - >>>>>>>>>> BrianGatewayProperties filename:card-hk.yml
INFO   [scheduling-1] 2021-09-12 21:33:55.020 c.k.s.s.FileDynamicRouteService - >>>>>>>>>> BrianGatewayProperties(url=null, routes=[{id=null, uri=http://card-hk.free.beeceptor.com, predicates=[PredicateDefinition{name='Path', args={_genkey_0=/api/hk/card/v1/card/query}}, PredicateDefinition{name='Method', args={_genkey_0=POST}}], filters=[], metadata={}, order=0, apiKeys=[], auths=[]}, {id=null, uri=http://card-hk.free.beeceptor.com, predicates=[PredicateDefinition{name='Path', args={_genkey_0=/api/hk/card/v1/er/query}}, PredicateDefinition{name='Method', args={_genkey_0=POST}}], filters=[], metadata={}, order=0, apiKeys=[], auths=[]}])
INFO   [scheduling-1] 2021-09-12 21:33:55.020 c.k.s.t.BrianRouteDefinitionTransformer - >>>>>>>>>> route path: /api/hk/card/v1/card/query
INFO   [scheduling-1] 2021-09-12 21:33:55.020 c.k.s.t.BrianRouteDefinitionTransformer - >>>>>>>>>> route path: /api/hk/card/v1/er/query
INFO   [scheduling-1] 2021-09-12 21:33:55.021 c.k.s.s.FileDynamicRouteService - >>>>>>>>>> BrianGatewayProperties filename:pancake.yml
INFO   [scheduling-1] 2021-09-12 21:33:55.026 c.k.s.s.FileDynamicRouteService - >>>>>>>>>> BrianGatewayProperties(url=null, routes=[{id=null, uri=http://pancake.free.beeceptor.com, predicates=[PredicateDefinition{name='Path', args={_genkey_0=^/api/pancake/v1/*, _genkey_1=^/api/pancake/v1/*/query}}], filters=[], metadata={}, order=0, apiKeys=[], auths=[]}, {id=null, uri=null, predicates=[PredicateDefinition{name='Path', args={_genkey_0=/api/pancake/v1/coin/query}}], filters=[FilterDefinition{name='RewritePath', args={_genkey_0=/api/pancake/v1/coin/query, _genkey_1=/api/v1/coin/query}}], metadata={}, order=0, apiKeys=[], auths=[]}])
INFO   [scheduling-1] 2021-09-12 21:33:55.026 c.k.s.t.BrianRouteDefinitionTransformer - >>>>>>>>>> route path: ^/api/pancake/v1/*
INFO   [scheduling-1] 2021-09-12 21:33:55.026 c.k.s.t.BrianRouteDefinitionTransformer - >>>>>>>>>> route path: /api/pancake/v1/coin/query
INFO   [scheduling-1] 2021-09-12 21:33:55.027 c.k.s.t.BrianRouteDefinitionTransformer - >>>>>>>>>>  redefine the path {/api/pancake/v1/coin/query} and new domain {https://pancake.free.beeceptor.com}
INFO   [scheduling-1] 2021-09-12 21:33:55.027 c.k.s.s.FileDynamicRouteService - >>>>>>>>>> BrianGatewayProperties filename:passport-hk.yml
INFO   [scheduling-1] 2021-09-12 21:33:55.032 c.k.s.s.FileDynamicRouteService - >>>>>>>>>> BrianGatewayProperties(url=null, routes=[{id=null, uri=http://passport-hk.free.beeceptor.com, predicates=[PredicateDefinition{name='Path', args={_genkey_0=/api/passport-hk/v1/passport/query}}], filters=[], metadata={}, order=0, apiKeys=[], auths=[sms]}])
INFO   [scheduling-1] 2021-09-12 21:33:55.033 c.k.s.t.BrianRouteDefinitionTransformer - >>>>>>>>>> route path: /api/passport-hk/v1/passport/query
INFO   [scheduling-1] 2021-09-12 21:33:55.033 c.k.s.t.BrianRouteDefinitionTransformer - >>>>>>>>>>  redefine the path {/api/passport-hk/v1/passport/query} and new domain {https://passport-hk.free.beeceptor.com}
INFO   [scheduling-1] 2021-09-12 21:33:55.033 c.k.s.s.FileDynamicRouteService - >>>>>>>>>> add routeDefinition:{id=http://card-hk.free.beeceptor.com@-792698083, uri=http://card-hk.free.beeceptor.com, predicates=[PredicateDefinition{name='Path', args={_genkey_0=/api/hk/card/v1/card/query}}, PredicateDefinition{name='Method', args={_genkey_0=POST}}], filters=[FilterDefinition{name='BrianConfig', args={auths=[pwd, sms, gAuth], apiKeys=}}, FilterDefinition{name='RewritePath', args={regexp=^/api/(?<region>[a-zA-Z-]*)/(?<domain>[a-zA-Z-]*)/v(?<version>[0-9])/(?<path>.*), replacement=/v${version}/${path}}}], metadata={}, order=0, apiKeys=[], auths=[]}
DEBUG  [scheduling-1] 2021-09-12 21:33:55.034 c.k.s.s.FileDynamicRouteService - >>>>>>>>>> remove the RouteDefinition id is: http://card-hk.free.beeceptor.com@1548203624
INFO   [scheduling-1] 2021-09-12 21:33:55.034 c.k.s.s.FileDynamicRouteService - >>>>>>>>>> delete routeDefinition:{id=http://card-hk.free.beeceptor.com@1548203624, uri=http://card-hk.free.beeceptor.com, predicates=[PredicateDefinition{name='Path', args={_genkey_0=/api/hk/card/v1/uuu/query}}, PredicateDefinition{name='Method', args={_genkey_0=POST}}], filters=[FilterDefinition{name='BrianConfig', args={auths=[pwd, sms, gAuth], apiKeys=}}, FilterDefinition{name='RewritePath', args={regexp=^/api/(?<region>[a-zA-Z-]*)/(?<domain>[a-zA-Z-]*)/v(?<version>[0-9])/(?<path>.*), replacement=/v${version}/${path}}}], metadata={}, order=0, apiKeys=[], auths=[]}
INFO   [scheduling-1] 2021-09-12 21:33:55.034 c.k.s.s.FileRefreshRouteService - )))))))))))))))))))))))))))))) FileRefreshRouteService refreshRoute～～～
INFO   [scheduling-1] 2021-09-12 21:33:55.034 c.k.s.s.FileDynamicRouteService - )))))))))))))))))))))))))))))) FileDynamicRouteService getRouteDefinitions～～～
DEBUG  [scheduling-1] 2021-09-12 21:33:55.034 o.s.c.g.r.RouteDefinitionRouteLocator - RouteDefinition http://passport-hk.free.beeceptor.com@1466789461 applying {_genkey_0=/api/passport-hk/v1/passport/query} to Path
DEBUG  [scheduling-1] 2021-09-12 21:33:55.035 o.s.c.g.r.RouteDefinitionRouteLocator - RouteDefinition http://passport-hk.free.beeceptor.com@1466789461 applying filter {auths=[sms], apiKeys=} to BrianConfig
DEBUG  [scheduling-1] 2021-09-12 21:33:55.036 o.s.c.g.r.RouteDefinitionRouteLocator - RouteDefinition http://passport-hk.free.beeceptor.com@1466789461 applying filter {regexp=^/api/(?<domain>[a-zA-Z-]*)/v(?<version>[0-9])/(?<path>.*), replacement=/v${version}/${path}} to RewritePath
DEBUG  [scheduling-1] 2021-09-12 21:33:55.037 o.s.c.g.r.RouteDefinitionRouteLocator - RouteDefinition matched: http://passport-hk.free.beeceptor.com@1466789461
DEBUG  [scheduling-1] 2021-09-12 21:33:55.037 o.s.c.g.r.RouteDefinitionRouteLocator - RouteDefinition http://pancake.free.beeceptor.com@-1468813552 applying {_genkey_0=^/api/pancake/v1/*, _genkey_1=^/api/pancake/v1/*/query} to Path
DEBUG  [scheduling-1] 2021-09-12 21:33:55.038 o.s.c.g.r.RouteDefinitionRouteLocator - RouteDefinition http://pancake.free.beeceptor.com@-1468813552 applying filter {auths=[pwd, sms, gAuth], apiKeys=} to BrianConfig
DEBUG  [scheduling-1] 2021-09-12 21:33:55.039 o.s.c.g.r.RouteDefinitionRouteLocator - RouteDefinition matched: http://pancake.free.beeceptor.com@-1468813552
DEBUG  [scheduling-1] 2021-09-12 21:33:55.040 o.s.c.g.r.RouteDefinitionRouteLocator - RouteDefinition http://card-hk.free.beeceptor.com@-792698083 applying {_genkey_0=/api/hk/card/v1/card/query} to Path
DEBUG  [scheduling-1] 2021-09-12 21:33:55.041 o.s.c.g.r.RouteDefinitionRouteLocator - RouteDefinition http://card-hk.free.beeceptor.com@-792698083 applying {_genkey_0=POST} to Method
DEBUG  [scheduling-1] 2021-09-12 21:33:55.041 o.s.c.g.r.RouteDefinitionRouteLocator - RouteDefinition http://card-hk.free.beeceptor.com@-792698083 applying filter {auths=[pwd, sms, gAuth], apiKeys=} to BrianConfig
DEBUG  [scheduling-1] 2021-09-12 21:33:55.042 o.s.c.g.r.RouteDefinitionRouteLocator - RouteDefinition http://card-hk.free.beeceptor.com@-792698083 applying filter {regexp=^/api/(?<region>[a-zA-Z-]*)/(?<domain>[a-zA-Z-]*)/v(?<version>[0-9])/(?<path>.*), replacement=/v${version}/${path}} to RewritePath
DEBUG  [scheduling-1] 2021-09-12 21:33:55.043 o.s.c.g.r.RouteDefinitionRouteLocator - RouteDefinition matched: http://card-hk.free.beeceptor.com@-792698083
DEBUG  [scheduling-1] 2021-09-12 21:33:55.043 o.s.c.g.r.RouteDefinitionRouteLocator - RouteDefinition https://pancake.free.beeceptor.com@1912448187 applying {_genkey_0=/api/pancake/v1/coin/query} to Path
DEBUG  [scheduling-1] 2021-09-12 21:33:55.044 o.s.c.g.r.RouteDefinitionRouteLocator - RouteDefinition https://pancake.free.beeceptor.com@1912448187 applying filter {_genkey_0=/api/pancake/v1/coin/query, _genkey_1=/api/v1/coin/query} to RewritePath
DEBUG  [scheduling-1] 2021-09-12 21:33:55.045 o.s.c.g.r.RouteDefinitionRouteLocator - RouteDefinition https://pancake.free.beeceptor.com@1912448187 applying filter {auths=[pwd, sms, gAuth], apiKeys=} to BrianConfig
DEBUG  [scheduling-1] 2021-09-12 21:33:55.046 o.s.c.g.r.RouteDefinitionRouteLocator - RouteDefinition matched: https://pancake.free.beeceptor.com@1912448187
DEBUG  [scheduling-1] 2021-09-12 21:33:55.046 o.s.c.g.r.RouteDefinitionRouteLocator - RouteDefinition http://card-hk.free.beeceptor.com@-679151078 applying {_genkey_0=/api/hk/card/v1/er/query} to Path
DEBUG  [scheduling-1] 2021-09-12 21:33:55.047 o.s.c.g.r.RouteDefinitionRouteLocator - RouteDefinition http://card-hk.free.beeceptor.com@-679151078 applying {_genkey_0=POST} to Method
DEBUG  [scheduling-1] 2021-09-12 21:33:55.047 o.s.c.g.r.RouteDefinitionRouteLocator - RouteDefinition http://card-hk.free.beeceptor.com@-679151078 applying filter {auths=[pwd, sms, gAuth], apiKeys=} to BrianConfig
DEBUG  [scheduling-1] 2021-09-12 21:33:55.048 o.s.c.g.r.RouteDefinitionRouteLocator - RouteDefinition http://card-hk.free.beeceptor.com@-679151078 applying filter {regexp=^/api/(?<region>[a-zA-Z-]*)/(?<domain>[a-zA-Z-]*)/v(?<version>[0-9])/(?<path>.*), replacement=/v${version}/${path}} to RewritePath
DEBUG  [scheduling-1] 2021-09-12 21:33:55.049 o.s.c.g.r.RouteDefinitionRouteLocator - RouteDefinition matched: http://card-hk.free.beeceptor.com@-679151078

再次通过actuator的接口查看，可以看到路由的Path已经修改了，/api/hk/card/v1/uuu/query -> /api/hk/card/v1/card/query

 

到此四类动态路由的实现方式，都介绍完毕了～～～

顺便推荐一个免费好用的Mock Server: https://beeceptor.com/