content: package org.jeecg.config;
  
  import lombok.extern.slf4j.Slf4j;
  import org.jeecg.handler.HystrixFallbackHandler;
  import org.springframework.beans.factory.annotation.Value;
  import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
  import org.springframework.context.annotation.Bean;
  import org.springframework.context.annotation.Configuration;
  import org.springframework.http.MediaType;
  import org.springframework.web.reactive.function.server.RequestPredicates;
  import org.springframework.web.reactive.function.server.RouterFunction;
  import org.springframework.web.reactive.function.server.RouterFunctions;
  import org.springframework.web.reactive.function.server.ServerResponse;
  
  import javax.annotation.Resource;
  
  import static org.springframework.web.reactive.function.server.RequestPredicates.GET;
  import static org.springframework.web.reactive.function.server.RouterFunctions.route;
  import static org.springframework.web.reactive.function.server.ServerResponse.ok;
  
  /**
   * @author scott
   * @date 2020/05/26
   * 路由配置信息
   */
  @Slf4j
  @Configuration
  public class GatewayRoutersConfiguration {
  
      public static final long DEFAULT_TIMEOUT = 30000;
  
      public static String SERVER_ADDR;
  
      public static String NAMESPACE;
  
      public static String DATA_ID;
  
      public static String ROUTE_GROUP;
  
      public static String USERNAME;
  
      public static String PASSWORD;
  
      /**
       * 路由配置文件数据获取方式yml,nacos,database
       */
      public static String DATA_TYPE;
  
      @Value("${spring.cloud.nacos.discovery.server-addr}")
      public void setServerAddr(String serverAddr) {
          SERVER_ADDR = serverAddr;
      }
  
      @Value("${spring.cloud.nacos.discovery.namespace}")
      public void setNamespace(String namespace) {
          NAMESPACE = namespace;
      }
  
      @Value("${jeecg.route.config.data-id:#{null}}")
      public void setRouteDataId(String dataId) {
          DATA_ID = dataId + ".json";
      }
  
      @Value("${jeecg.route.config.group:DEFAULT_GROUP:#{null}}")
      public void setRouteGroup(String routeGroup) {
          ROUTE_GROUP = routeGroup;
      }
  
      @Value("${jeecg.route.config.data-type}")
      public void setDataType(String dataType) { DATA_TYPE = dataType; }
  
      @Value("${spring.cloud.nacos.config.username}")
      public void setUsername(String username) {
          USERNAME = username;
      }
      @Value("${spring.cloud.nacos.config.password}")
      public void setPassword(String password) {
          PASSWORD = password;
      }
  
  
      /**
       * 路由断言
       * @return
       */
      @Bean
      public RouterFunction routerFunction() {
          return RouterFunctions.route(
                  RequestPredicates.path("/globalFallback").and(RequestPredicates.accept(MediaType.TEXT_PLAIN)), hystrixFallbackHandler);
  
      }
  
      /**
       * 映射接口文档默认地址（通过9999端口直接访问）
       * @param indexHtml
       * @return
       */
      @Bean
      public RouterFunction<ServerResponse> indexRouter(@Value("classpath:/META-INF/resources/doc.html") final org.springframework.core.io.Resource indexHtml) {
          return route(GET("/"), request -> ok().contentType(MediaType.TEXT_HTML).syncBody(indexHtml));
      }
  
      @Resource
      private HystrixFallbackHandler hystrixFallbackHandler;
  
  }
  