Spring Cloud Gateway网关下Knife4j文档聚合,以及动态路由的读取和代码配置

import org.springframework.cloud.gateway.route.RouteLocator;
import org.springframework.cloud.gateway.filter.FilterDefinition;
import org.springframework.cloud.gateway.handler.predicate.PredicateDefinition;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.annotation.Order;
import reactor.core.publisher.Flux;

@Configuration
public class GatewayConfig {

    @Bean
    public RouteLocator customRouteLocator(RouteLocatorBuilder builder) {
        return builder.routes()
                .route("path_route", r -> r.path("/api/test")
                        .uri("http://localhost:8081")
                        .order(1)
                        .filters(f -> f.addResponseHeader("X-Response-Default", "Default-Header-Value"))
                        .id("test_route")
                )
                .build();
    }

    @Bean
    public PredicateDefinition customPredicate() {
        PredicateDefinition predicate = new PredicateDefinition();
        predicate.setName("Path");
        predicate.addArg(Collections.singletonMap("pattern", "/api/**"));
        return predicate;
    }

    @Bean
    public FilterDefinition customFilter() {
        FilterDefinition filter = new FilterDefinition();
        filter.setName("AddResponseHeader");
        filter.addArg(Collections.singletonMap("name", "X-Response-Custom"));
        filter.addArg(Collections.singletonMap("value", "Custom-Header-Value"));
        return filter;
    }
}