SpringCloud微服务实战——搭建企业级开发框架(六):使用knife4j集成Swagger2接口文档

  knife4j是为集成Swagger生成api文档的增强解决方案,前后端Java代码以及前端Ui模块进行分离,在微服务架构下使用更加灵活,
提供专注于Swagger的增强解决方案,不同于只是改善增强前端Ui部分,我们这里使用knife4j作为文档管理工具来代替swagger-ui。

1、在GitEgg-Platform工程下新建gitegg-platform-swagger子工程,在GigEgg-Platform中的子工程gitegg-platform-bom中,修改pom
.xml,以maven bom的方式使用knife4j:

            
            
                com.github.xiaoymin
                knife4j-dependencies
                ${knife4j.version}
                pom
                import
            

2、在gitegg-platform-swagger子工程中的pom.xml添加knife4j引用:



    
        GitEgg-Platform
        com.gitegg.platform
        1.0-SNAPSHOT
    
    4.0.0

    gitegg-platform-swagger
    ${project.artifactId}
    ${project.parent.version}
    jar

    
        
            com.github.xiaoymin
            knife4j-spring-boot-starter
        
    

3、在gitegg-platform-swagger子工程中新建SwaggerConfig.java文件:

package com.gitegg.platform.swagger.config;

import com.github.xiaoymin.knife4j.spring.annotations.EnableKnife4j;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Import;
import springfox.bean.validators.configuration.BeanValidatorPluginsConfiguration;
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
@EnableKnife4j
@Import(BeanValidatorPluginsConfiguration.class)
public class SwaggerConfig {

    @Bean(value = "GitEggApi")
    public Docket GitEggApi() {
        Docket docket=new Docket(DocumentationType.SWAGGER_2)
                .apiInfo(apiInfo())
                //分组名称
                .groupName("2.X版本")
                .select()
                //这里指定Controller扫描包路径
                .apis(RequestHandlerSelectors.basePackage("com.gitegg.*.*.controller"))
                .paths(PathSelectors.any())
                .build();
        return docket;
    }

    private ApiInfo apiInfo() {
        return new ApiInfoBuilder().version("1.0.0")
                .title("Spring Cloud Swagger2 文档")
                .description("Spring Cloud Swagger2 文档")
                .termsOfServiceUrl("www.gitegg.com")
                .build();
    }

}

4、在gitegg-service工程中引入gitegg-platform-swagger



    
        GitEgg-Cloud
        com.gitegg.cloud
        1.0-SNAPSHOT
    
    4.0.0

    gitegg-service
    pom
    
        gitegg-service-base
        gitegg-service-bigdata
        gitegg-service-system
    

    
        
        
            com.gitegg.platform
            gitegg-platform-db
        
        
        
            com.gitegg.platform
            gitegg-platform-mybatis
        
        
        
            com.gitegg.platform
            gitegg-platform-swagger
        
        
        
            org.springframework.boot
            spring-boot-starter-web
        
        
        
            org.springframework.boot
            spring-boot-starter-actuator
        
    

5、在gitegg-service-system工程下的SystemController.java类里面添加Swagger2相关注解

package com.gitegg.service.system.controller;

import com.gitegg.service.system.service.ISystemService;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.AllArgsConstructor;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

@RestController
@RequestMapping(value = "system")
@AllArgsConstructor
@Api(tags = "gitegg-system")
public class SystemController {

    private final ISystemService systemService;

    @GetMapping(value = "list")
    @ApiOperation(value = "system list接口")
    public Object list() {
        return systemService.list();
    }


    @GetMapping(value = "page")
    @ApiOperation(value = "system page接口")
    public Object page() {
        return systemService.page();
    }
}

6、GitEggSystemApplication.java加入组件扫描的注解,让Spring在启动的时候加载到swagger2的配置:

package com.gitegg.service.system;

import org.mybatis.spring.annotation.MapperScan;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.annotation.ComponentScan;

/**
 * gitegg-system 启动类
 */
@ComponentScan(basePackages = "com.gitegg")
@MapperScan("com.gitegg.*.*.mapper")
@SpringBootApplication
public class GitEggSystemApplication {

    public static void main(String[] args) {
        SpringApplication.run(GitEggSystemApplication.class,args);
    }
}

7、运行gitegg-service-system,打开浏览器访问:http://127.0.0.1:8001/doc.html,可以看到swagger2文档界面
SpringCloud微服务实战——搭建企业级开发框架(六):使用knife4j集成Swagger2接口文档_第1张图片

本文源码在https://gitee.com/wmz1930/GitEgg 的chapter-06分支。

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