springboot网关添加swagger

添加依赖

		<dependency>
			<groupId>com.spring4all</groupId>
			<artifactId>swagger-spring-boot-starter</artifactId>
			<version>2.0.2</version>
		</dependency>

添加配置类，与服务启动类同一个层级

package com.brt.cloudGateway;

import java.util.Optional;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
import reactor.core.publisher.Mono;
import springfox.documentation.swagger.web.*;

@RestController
public class SwaggerHandlerController {

	@Autowired(required = false)
	private SecurityConfiguration securityConfiguration;

	@Autowired(required = false)
	private UiConfiguration uiConfiguration;

	private final SwaggerResourcesProvider swaggerResources;

	@Autowired
	public SwaggerHandlerController(SwaggerResourcesProvider swaggerResources) {
		this.swaggerResources = swaggerResources;
	}


	@GetMapping("/swagger-resources/configuration/security")
	public Mono<ResponseEntity<SecurityConfiguration>> securityConfiguration() {
		return Mono.just(new ResponseEntity<>(
				Optional.ofNullable(securityConfiguration).orElse(SecurityConfigurationBuilder.builder().build()), HttpStatus.OK));
	}

	@GetMapping("/swagger-resources/configuration/ui")
	public Mono<ResponseEntity<UiConfiguration>> uiConfiguration() {
		return Mono.just(new ResponseEntity<>(
				Optional.ofNullable(uiConfiguration).orElse(UiConfigurationBuilder.builder().build()), HttpStatus.OK));
	}

	@GetMapping("/swagger-resources")
	public Mono<ResponseEntity> swaggerResources() {
		return Mono.just((new ResponseEntity<>(swaggerResources.get(), HttpStatus.OK)));
	}

	// @GetMapping("/")
	public Mono<ResponseEntity> swaggerResourcesN() {
		return Mono.just((new ResponseEntity<>(swaggerResources.get(), HttpStatus.OK)));
	}

	//@GetMapping("/csrf")
	public Mono<ResponseEntity> swaggerResourcesCsrf() {
		return Mono.just((new ResponseEntity<>(swaggerResources.get(), HttpStatus.OK)));
	}
}