Spring Cloud Zuul集成Swagger

2021-03-21 09:28

阅读：488

标签：https java out services VID err localhost api接口中心

写在前面本文参考以下文章，请参考原文

Spring Cloud 从入门到精通

Spring Cloud Zuul中使用Swagger汇总API接口文档

待解决问题

在微服务架构中，Swagger为各个微服务生成的API文档都都离散在各个微服务中，不方便查看，我们希望将这些接口都整合到一个文档中。那可以用Spring Cloud Zuul来解决这个问题

Spring Cloud Zuul 集成Swagger

1.准备服务注册中心eureka-server 请参考 Spring Cloud Eureka 服务治理--服务注册与发现

2.创建微服务swagger-service-a

step1. 创建微服务swagger-service-a(Spring Boot项目)，添加eureka-client起步依赖，web起步依赖和swagger依赖

dependency>
            groupId>org.springframework.bootgroupId>
            artifactId>spring-boot-starter-webartifactId>
        dependency>
        dependency>
            groupId>org.springframework.cloudgroupId>
            artifactId>spring-cloud-starter-netflix-eureka-clientartifactId>
        dependency>
        
        dependency>
            groupId>io.springfoxgroupId>
            artifactId>springfox-swagger2artifactId>
            version>2.9.2version>
        dependency>
        dependency>
            groupId>io.springfoxgroupId>
            artifactId>springfox-swagger-uiartifactId>
            version>2.9.2version>
        dependency>

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step2.在配置类添加注解@EnableDiscoveryClient ，，将当前应用添加到服务治理体系中，开启微服务注册与发现。

step3.配置swagger

package com.example.swaggerservicea;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.service.ApiInfo;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spring.web.plugins.Docket;
import springfox.documentation.swagger2.annotations.EnableSwagger2;


@Configuration
@EnableSwagger2
public class SwaggerConfig {
    @Bean
    public Docket api() {

        return new Docket(DocumentationType.SWAGGER_2)
                .apiInfo(apiInfo())
                .select()
                .apis(RequestHandlerSelectors.any())
                .paths(PathSelectors.any()).build();
    }

    private ApiInfo apiInfo() {
        return new ApiInfoBuilder()
                .title("swagger-service-a 实例文档")
                .description("swagger-service-a 实例文档 1.0")
                .termsOfServiceUrl("https:github")
                .version("1.0")
                .build();
    }

}

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step4.application.properties文件中添加配置

#微服务基本信息
spring.application.name=swagger-service-a
server.port=10010
#注册中心
eureka.client.serviceUrl.defaultZone=http://localhost:1001/eureka/
#要生成文档的package
swagger.base-package=com.example

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step5.添加一个微服务提供的功能

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;

@RestController
public class AaaController {
    @Autowired
    DiscoveryClient discoveryClient;

    @GetMapping("/service-a")
    public String dc() {
        String services = "service-a Services: " + discoveryClient.getServices();
        System.out.println(services);
        return services;
    }
}

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step6.启动微服务，访问 http://localhost:10010/swagger-ui.html

3.创建微服务swagger-service-b （参考swagger-service-a ），启动微服务swagger-service-b并访问http://localhost:10020/swagger-ui.html

4.构建API网关并整合Swagger

step1.创建API网关微服务swagger-api-gateway，添加eureka-client起步依赖，zuul起步依赖和 swagger依赖 :spring-cloud-starter-netflix-eureka-client，spring-cloud-starter-netflix-zuul

        dependency>
            groupId>org.springframework.cloudgroupId>
            artifactId>spring-cloud-starter-netflix-eureka-clientartifactId>
        dependency>
        dependency>
            groupId>org.springframework.cloudgroupId>
            artifactId>spring-cloud-starter-netflix-zuulartifactId>
        dependency>
        
        dependency>
            groupId>io.springfoxgroupId>
            artifactId>springfox-swagger2artifactId>
            version>2.9.2version>
        dependency>
        dependency>
            groupId>io.springfoxgroupId>
            artifactId>springfox-swagger-uiartifactId>
            version>2.9.2version>
        dependency>

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step2.在配置类添加注解@SpringCloudApplication ，@EnableZuulProxy

step3.配置swagger

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.service.ApiInfo;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spring.web.plugins.Docket;
import springfox.documentation.swagger2.annotations.EnableSwagger2;


@Configuration
@EnableSwagger2
public class SwaggerConfig {
    @Bean
    public Docket api() {

        return new Docket(DocumentationType.SWAGGER_2)
                .apiInfo(apiInfo())
                .select()
                .apis(RequestHandlerSelectors.any())
                .paths(PathSelectors.any()).build();
    }

    private ApiInfo apiInfo() {
        return new ApiInfoBuilder()
                .title("swagger-service 实例文档")
                .description("swagger-service 实例文档 1.0")
                .termsOfServiceUrl("https:github")
                .version("1.0")
                .build();
    }

}

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step4.配置swagger

package com.example.swaggerapigateway;

import java.util.ArrayList;
import java.util.List;

import org.springframework.context.annotation.Primary;
import org.springframework.stereotype.Component;

import springfox.documentation.swagger.web.SwaggerResource;
import springfox.documentation.swagger.web.SwaggerResourcesProvider;

@Component
@Primary
class DocumentationConfig implements SwaggerResourcesProvider {
    @Override
    public List get() {
        List resources = new ArrayList();
        resources.add(swaggerResource("service-a", "/swagger-service-a/v2/api-docs", "2.0"));
        resources.add(swaggerResource("service-b", "/swagger-service-b/v2/api-docs", "2.0"));
        return resources;
    }

    private SwaggerResource swaggerResource(String name, String location, String version) {
        SwaggerResource swaggerResource = new SwaggerResource();
        swaggerResource.setName(name);
        swaggerResource.setLocation(location);
        swaggerResource.setSwaggerVersion(version);
        return swaggerResource;
    }
}

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step5.application.properties文件中添加配置

#微服务基本信息
spring.application.name=swagger-api-gateway
server.port=10030
#注册中心
eureka.client.serviceUrl.defaultZone=http://localhost:1001/eureka/
#要生成文档的package
swagger.base-package=com.example

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step6.启动微服务，访问 http://localhost:10030/swagger-ui.html

技术图片

Spring Cloud Zuul集成Swagger

标签：https java out services VID err localhost api接口中心

原文地址：https://www.cnblogs.com/dreamstar99/p/13857267.html

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Spring Cloud Zuul集成Swagger

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