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knife4j 是为集成 Swagger 生成 api 文档的加强解决方案，前后端 Java 代码以及前端 Ui 模块进行拆散, 在微服务架构下应用更加灵便，
提供专一于 Swagger 的加强解决方案, 不同于只是改善加强前端 Ui 局部，咱们这里应用 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，批改 pom
.xml，以 maven bom 的形式应用 knife4j:
<!-- Swagger2 knife4j bom 形式引入 -->
<dependency>
<groupId>com.github.xiaoymin</groupId>
<artifactId>knife4j-dependencies</artifactId>
<version>${knife4j.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>2、在 gitegg-platform-swagger 子工程中的 pom.xml 增加 knife4j 援用：
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<parent>
<artifactId>GitEgg-Platform</artifactId>
<groupId>com.gitegg.platform</groupId>
<version>1.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>
<artifactId>gitegg-platform-swagger</artifactId>
<name>${project.artifactId}</name>
<version>${project.parent.version}</version>
<packaging>jar</packaging>
<dependencies>
<dependency>
<groupId>com.github.xiaoymin</groupId>
<artifactId>knife4j-spring-boot-starter</artifactId>
</dependency>
</dependencies>
</project>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 扫描包门路
.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
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<parent>
<artifactId>GitEgg-Cloud</artifactId>
<groupId>com.gitegg.cloud</groupId>
<version>1.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>
<artifactId>gitegg-service</artifactId>
<packaging>pom</packaging>
<modules>
<module>gitegg-service-base</module>
<module>gitegg-service-bigdata</module>
<module>gitegg-service-system</module>
</modules>
<dependencies>
<!-- gitegg 数据库驱动及连接池 -->
<dependency>
<groupId>com.gitegg.platform</groupId>
<artifactId>gitegg-platform-db</artifactId>
</dependency>
<!-- gitegg mybatis-plus -->
<dependency>
<groupId>com.gitegg.platform</groupId>
<artifactId>gitegg-platform-mybatis</artifactId>
</dependency>
<!-- gitegg swagger2-knife4j -->
<dependency>
<groupId>com.gitegg.platform</groupId>
<artifactId>gitegg-platform-swagger</artifactId>
</dependency>
<!-- spring boot web 外围包 -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<!-- spring boot 衰弱监控 -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
</dependencies>
</project>5、在 gitegg-service-system 工程下的 SystemController.java 类外面增加 Swagger2 相干注解
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 退出组件扫描的注解，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，关上浏览器拜访：http://127.0.0.1:8001/doc.html，能够看到 swagger2 文档界面
本文源码在 https://gitee.com/wmz1930/GitEgg 的 chapter-06 分支。
正文完
