<!-- swag包-->
        <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>

@Configuration
@EnableSwagger2//开启
public class SwagConfig {
    //配置了Swag的Docket的bean实例
    @Bean
    public Docket docket(Environment environment){
        //配置在生产环境中使用但是在发布环境不使用
        //设置要显示的swagger环境
        Profiles profiles=Profiles.of("dev");
        //获取项目的环境
        boolean flag = environment.acceptsProfiles(profiles);//为true就表示现在的环境是dev
        System.out.println(flag);

        return new Docket(DocumentationType.SWAGGER_2)
                .apiInfo(getApiInfo())
                .groupName("吴某")
                .enable(flag)//是否启用swagger
                .select()
                //指定要扫描的包 any()扫描全部 none()都不扫描
                //withClassAnnotation：扫描类上的注解
                //withMethodAnnotation()扫描方法上的注解
                .apis(RequestHandlerSelectors.basePackage("com.wu.controller"))
                //过滤什么路径
                //.paths(PathSelectors.ant("/meiyou/**"))
                .build();
    }
    private ApiInfo getApiInfo(){
        Contact contact=new Contact("小吴","https://home.cnblogs.com/u/*min/","565482647@qq.com");
        return new ApiInfo("小吴的swagger日记", "宇智波", "1.0",
                "https://home.cnblogs.com/u/*min/", contact, "Apache 2.0",
                "http://www.apache.org/licenses/LICENSE-2.0", new ArrayList());
    }
    //配置多个docket实例每个代表一个不同的组
    @Bean
    public Docket docket1(){
        return new Docket(DocumentationType.SWAGGER_2).groupName("A");
    }
    @Bean
    public Docket docket2(){
        return new Docket(DocumentationType.SWAGGER_2).groupName("B");
    }
}

@ApiModel("用户实体类")
public class User {
    @ApiModelProperty("用户名")
    public String username;
    @ApiModelProperty("密码")
    public String password;
}

@RestController
public class HelloController {
    @GetMapping(value = "/hello")
    public String hello(){
        return "hello";
    }
    @PostMapping(value="/user")//只要我们的接口中返回值存在实体类就会被扫描到
    public User user(){
        return new User();
    }
    @ApiOperation("hi控制类")
    @GetMapping(value="/hi")
    public String hi(@ApiParam("用户名") String username){
        return "hi"+username;
    }
    @ApiOperation("post控制类")
    @PostMapping(value="/postt")
    public User postt(@ApiParam("用户名") User user){
        return user;
    }
}