<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>

import org.springframework.context.annotation.Configuration;
import springfox.documentation.swagger2.annotations.EnableSwagger2;

@Configuration
@EnableSwagger2     //开启Swagger2
public class SwaggerConfig {

}

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import springfox.documentation.service.ApiInfo;
import springfox.documentation.service.Contact;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spring.web.plugins.Docket;
import springfox.documentation.swagger2.annotations.EnableSwagger2;

import java.util.ArrayList;

@Configuration
@EnableSwagger2     //开启Swagger2
public class SwaggerConfig {

    //配置Swagger的Docker的bean实例
    @Bean
    public Docket docket() {
        return new Docket(DocumentationType.SWAGGER_2)
                .apiInfo(apiInfo());
    }

    //配置Swagger信息
    private ApiInfo apiInfo() {

        //作者信息
        Contact contact = new Contact("wzh", "https://www.cnblogs.com/zhihaospace/", "464407764@qq.com");

        return new ApiInfo(
                "WZH的Swagger Api文档",
                "Api 文档",
                "1.0",
                "https://www.cnblogs.com/zhihaospace/",
                contact,
                "Apache 2.0",
                "http://www.apache.org/licenses/LICENSE-2.0",
                new ArrayList()
        );
    }
    
}

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.env.Environment;
import org.springframework.core.env.Profiles;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.service.ApiInfo;
import springfox.documentation.service.Contact;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spring.web.plugins.Docket;
import springfox.documentation.swagger2.annotations.EnableSwagger2;

import java.util.ArrayList;

@Configuration
@EnableSwagger2     //开启Swagger2
public class SwaggerConfig {

    //配置Swagger的Docker的bean实例
    @Bean
    public Docket docket(Environment environment) {


        //配置 在dev或test生产环境下可以显示swagger环境，release环境下看不到Swagger
        Profiles profiles = Profiles.of("dev","test");

        //通过environment.acceptsProfiles判断是否处在设定的环境中
        boolean flag = environment.acceptsProfiles(profiles);


        return new Docket(DocumentationType.SWAGGER_2)
                .apiInfo(apiInfo())
                //enable 配置是否启用Swagger，为false则swagger-ui页面不能在浏览器中访问
                .enable(flag)
                .select()
                /*
                * RequestHandlerSelectors 配置要扫描接口的方式
                * 参数：
                *   basePackage("ustc.wzh.swagger") 指定要扫描的包
                *   withClassAnnotation(RestController.class) 扫描类上的注解，参数是一个类注解的反射对象
                *   withMethodAnnotation(GetMapping.class) 扫描方法上的注解，参数是一个方法注解的反射对象
                *   any() 扫描全部
                *   none() 不扫描
                */
                .apis(RequestHandlerSelectors.basePackage("ustc.wzh.swagger"))
                /*
                * paths 过滤路径（就是不去扫描的路径）
                * any() 全部过滤
                * none() 不过滤
                * regex(/[a-z]/) 过滤到正则表达式代表的路径
                * ant("xxx") 指定路径过滤
                */
                //.paths(PathSelectors.ant("/wzh/**"))
                .build()
                ;
    }

    //配置Swagger信息
    private ApiInfo apiInfo() {

        //作者信息
        Contact contact = new Contact("wzh", "https://www.cnblogs.com/zhihaospace/", "464407764@qq.com");

        return new ApiInfo(
                "WZH的Swagger Api文档",
                "Api 文档",
                "1.0",
                "https://www.cnblogs.com/zhihaospace/",
                contact,
                "Apache 2.0",
                "http://www.apache.org/licenses/LICENSE-2.0",
                new ArrayList()
        );
    }

}