<!-- swagger ui -->

        <dependency>

            <groupId>io.springfox</groupId>

            <artifactId>springfox-swagger2</artifactId>

            <version>2.2.2</version>

        </dependency>

        <dependency>

            <groupId>io.springfox</groupId>

            <artifactId>springfox-swagger-ui</artifactId>

            <version>2.2.2</version>

        </dependency>

@SpringBootApplication

@EnableSwagger2

public class Main {

    public static void main(String[] args) throws Exception {

        SpringApplication.run(Main.class, args);

    }

}

@RestController

@RequestMapping("/user")

@Api("swagger ui 注释 api 级别")

public class HelloWorldController {

    @ApiOperation("swagger ui 注释 方法级别")

    @RequestMapping(value="/hello",method=RequestMethod.GET)

    public  String hello() {

        String data = "Never trouble untill trouble troubles you. Some one told me some years ago.";

        return data;

    }

}