本文测试代码使用 Spring Boot 2.1.6.RELEASE + Swagger 2.9.2

添加依赖

    <dependency>
        <groupId>io.springfox</groupId>
        <artifactId>springfox-swagger2</artifactId>
        <version>2.9.2</version>
    </dependency>
    <dependency>
        <groupId>io.springfox</groupId>
        <artifactId>springfox-swagger-ui</artifactId>
        <version>2.9.2</version>
    </dependency>

    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-data-rest</artifactId>
    </dependency>

添加配置

swagger:
  enable: true

添加配置类

@Configuration
@EnableSwagger2 // 启用 Swagger
@ConditionalOnExpression("${swagger.enable:true}") // 根据配置决定是否最终启用 Swagger
public class SwaggerConfig {

    @Bean
    public Docket createRestApi() {
        return new Docket(DocumentationType.SWAGGER_2)
                .apiInfo(apiInfo())
                .select()
                .apis(RequestHandlerSelectors.basePackage("com.karonda.springbootswagger.controller"))
                .paths(PathSelectors.any())
                .build();
    }

    private ApiInfo apiInfo() {
        return new ApiInfoBuilder()
                .title("SWAGGER 测试平台")
                .description("测试 SWAGGER 用")
                .termsOfServiceUrl("https://github.com/VictorBu")
                .version("1.0.0")
                .build();
    }
}

添加测试接口

@RestController
@Api(tags = "测试接口")
public class HiController {

    @RequestMapping(value = "/hi", method = RequestMethod.GET)
    @ApiOperation(value="打招呼")
    @ApiImplicitParams({
            @ApiImplicitParam(name = "firstName", value = "名字", paramType = "query", required = true),
            @ApiImplicitParam(name = "lastName", value = "姓氏", paramType = "query", required = true)
    })
    public String sayHi(@RequestParam("firstName") String firstName, @RequestParam("lastName") String lastName){
        return "Hi, " + firstName + " " + lastName;
    }
}

测试

启动程序输入 http://localhost:8080/swagger-ui.html 即可看到效果

完整代码：GitHub