SpringCloudAlibaba篇（八）SpringCloudGateWay聚合swagger3、SpringBoot2.6.X整合swagger3+knife4j

本文介绍了如何在SpringCloud微服务架构中整合Swagger和Zipkin，实现API文档管理和分布式链路跟踪。首先，通过配置Swagger生成服务的API文档，并展示如何在网关端聚合所有微服务的Swagger文档。接着，详细讲解了Zipkin的集成步骤，用于收集和展示服务间的调用链路，帮助优化系统性能。

上一篇，SpringCloudAlibaba篇（七）SpringCloud整合Zipkin分布式链路跟踪系统（SpringCloud+dubbo+Zipkin）

前言

Knife4j的前身是swagger-bootstrap-ui,前身swagger-bootstrap-ui是一个纯swagger-ui的ui皮肤项目

knife4j官网

服务端

构建依赖

<dependency>
    <groupId>io.springfox</groupId>
    <artifactId>springfox-boot-starter</artifactId>
    <version>3.0.0</version>
</dependency>

配置类

package top.fate.config;

import io.swagger.annotations.ApiOperation;
import org.springframework.boot.actuate.autoconfigure.endpoint.web.CorsEndpointProperties;
import org.springframework.boot.actuate.autoconfigure.endpoint.web.WebEndpointProperties;
import org.springframework.boot.actuate.autoconfigure.web.server.ManagementPortType;
import org.springframework.boot.actuate.endpoint.ExposableEndpoint;
import org.springframework.boot.actuate.endpoint.web.*;
import org.springframework.boot.actuate.endpoint.web.annotation.ControllerEndpointsSupplier;
import org.springframework.boot.actuate.endpoint.web.annotation.ServletEndpointsSupplier;
import org.springframework.boot.actuate.endpoint.web.servlet.WebMvcEndpointHandlerMapping;
import org.springframework.context.EnvironmentAware;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.env.Environment;
import org.springframework.http.HttpMethod;
import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.builders.ResponseBuilder;
import springfox.documentation.oas.annotations.EnableOpenApi;
import springfox.documentation.service.ApiInfo;
import springfox.documentation.service.Contact;
import springfox.documentation.service.Response;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spring.web.plugins.Docket;

import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
/**
 * @auther:Wangxl
 * @Emile:18335844494@163.com
 * @Time:2022/5/7 9:27
 */
@Configuration
@EnableOpenApi //注解启动用Swagger的使用，同时在配置类中对Swagger的通用参数进行配置
public class Swagger3Config implements EnvironmentAware {
   
   

    private String applicationName;

    private String applicationDescription;

    @Bean
    public Docket createRestApi(){
   
   
        //返回文档概要信息
        return new Docket(DocumentationType.OAS_30)
                .apiInfo(apiInfo())
                .select()
                .apis(