Swagger介绍

        <!-- https://mvnrepository.com/artifact/io.springfox/springfox-swagger2 -->
        <dependency>
            <groupId>io.springfox</groupId>
            <artifactId>springfox-swagger2</artifactId>
            <version>2.9.2</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/io.springfox/springfox-swagger-ui -->
        <dependency>
            <groupId>io.springfox</groupId>
            <artifactId>springfox-swagger-ui</artifactId>
            <version>2.9.2</version>
        </dependency>

@Configuration//配置类
@EnableSwagger2 //开启swagger2
public class SwaggerConfig {

    @Bean
    public Docket docket(){
        return new Docket(DocumentationType.SWAGGER_2)
                .groupName("kerwin")//分组，可以创建多个Docket配置多个分组。
                .apiInfo(apiInfo())
                .enable(true)//配置是否启动swagger
                .select()
                /**
                 *RequestHandlerSelectors：配置扫描方式
                 *basePackage： 指定扫描的包
                 *any()：扫描全部
                 *withMethodAnnotation()：方法上的注解
                 *withClassAnnotation()：类上的注解
                 */
                .apis(RequestHandlerSelectors.basePackage("com.kerwin.controller"))
                //过滤的路径()
                //.paths(PathSelectors.ant("/kerwin/**"))
                .paths(PathSelectors.any())
                .build();
    }

    //配置API文档信息
    private ApiInfo apiInfo() {
        //联系人信息
        Contact contact = new Contact("kerwin", "baidu.com", "111@qq.com");
        return new ApiInfo(
                "kerwin api文档",
                "不以物喜，不以己悲",
                "1.0",
                "http://baidu.com",
                contact,
                "Apache 2.0", //许可
                "http://www.apache.org/licenses/LICENSE-2.0",
                new ArrayList()); //扩展
    }
}