spring-gateway网关聚合swagger实现多个服务接口切换的示例代码

package com.zmy.springcloud.config; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.beans.factory.annotation.Value; import org.springframework.cloud.gateway.route.RouteLocator; import org.springframework.stereotype.Component; import springfox.documentation.swagger.web.SwaggerResource; import springfox.documentation.swagger.web.SwaggerResourcesProvider; import java.util.*; /** * 聚合各个服务的swagger接口 */ @Component public class MySwaggerResourceProvider implements SwaggerResourcesProvider { /** * swagger2默认的url后缀 */ private static final String SWAGGER2URL = "/v2/api-docs"; /** * 网关路由 */ private final RouteLocator routeLocator; /** * 网关应用名称 */ @Value("${spring.application.name}") private String self; @Autowired public MySwaggerResourceProvider(RouteLocator routeLocator) { this.routeLocator = routeLocator; } @Override public List get() { List resources = new ArrayList<>(); List routeHosts = new ArrayList<>(); // 获取所有可用的host：serviceId routeLocator.getRoutes().filter(route -> route.getUri().getHost() != null) .filter(route -> !self.equals(route.getUri().getHost())) .subscribe(route -> routeHosts.add(route.getUri().getHost())); // 记录已经添加过的server Set dealed = new HashSet<>(); routeHosts.forEach(instance -> { // 拼接url String url = "/" + instance.toLowerCase() + SWAGGER2URL; if (!dealed.contains(url)) { dealed.add(url); SwaggerResource swaggerResource = new SwaggerResource(); swaggerResource.setUrl(url); swaggerResource.setName(instance); resources.add(swaggerResource); } }); return resources; } } 

package com.zmy.springcloud.config.swagger.controller; import com.zmy.springcloud.config.MySwaggerResourceProvider; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.http.HttpStatus; import org.springframework.http.ResponseEntity; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RestController; import springfox.documentation.swagger.web.*; import java.util.List; /** * swagger聚合接口，三个接口都是swagger-ui.html需要访问的接口 */ @RestController @RequestMapping("/swagger-resources") public class SwaggerResourceController { private MySwaggerResourceProvider swaggerResourceProvider; @Autowired public SwaggerResourceController(MySwaggerResourceProvider swaggerResourceProvider) { this.swaggerResourceProvider = swaggerResourceProvider; } @RequestMapping(value = "/configuration/security") public ResponseEntity securityConfiguration() { return new ResponseEntity<>(SecurityConfigurationBuilder.builder().build(), HttpStatus.OK); } @RequestMapping(value = "/configuration/ui") public ResponseEntity uiConfiguration() { return new ResponseEntity<>(UiConfigurationBuilder.builder().build(), HttpStatus.OK); } @RequestMapping public ResponseEntity> swaggerResources() { return new ResponseEntity<>(swaggerResourceProvider.get(), HttpStatus.OK); } } 

 org.springframework.cloudspring-cloud-starter-gateway io.springfoxspringfox-swagger22.9.2  io.swaggerswagger-models io.swaggerswagger-models1.5.22 io.springfoxspringfox-swagger-ui2.9.2 com.alibaba.cloudspring-cloud-starter-alibaba-nacos-discovery

server: port: 9527 spring: application: name: cloud-gateway cloud: gateway: routes: - id: seata-storage-service uri: lb://seata-storage-service predicates: - Path=/seata-storage-service/**         # 断言，相匹配的进行路由 filters: - StripPrefix=1 - id: seata-account-service uri: lb://seata-account-service - Path=/seata-account-service/** discovery: locator: enabled: true #开启从注册中心动态创建路由的功能，利用微服务名进行路由 nacos: server-addr: localhost:8848

server: servlet: context-path: /seata-order-service