<!-- 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>
2、创建配置类

@Configuration

@EnableSwagger2

public class Swagger2Config{

      @Bean

        public Docket swaggerSpringMvcPlugin(){

        return new Docket(DocunmentationType.Swagger_2).select().apis(RequestHandlerSelectors.withMethodAnnotation(ApiOperation.class)).build();

　　}

}