@SpringBootApplication
public class HellobootApplication {public static void main(String[] args) {SpringApplication.run(HellobootApplication.class, args);System.out.println("Hello");}}

@Target({ElementType.TYPE})
@Retention(RetentionPolicy.RUNTIME)
@Documented
@Inherited
@SpringBootConfiguration
@EnableAutoConfiguration
@ComponentScan(excludeFilters = {@Filter(type = FilterType.CUSTOM,classes = {TypeExcludeFilter.class}
), @Filter(type = FilterType.CUSTOM,classes = {AutoConfigurationExcludeFilter.class}
)}
)
public @interface SpringBootApplication {@AliasFor(annotation = EnableAutoConfiguration.class)Class<?>[] exclude() default {};@AliasFor(annotation = EnableAutoConfiguration.class)String[] excludeName() default {};@AliasFor(annotation = ComponentScan.class,attribute = "basePackages")String[] scanBasePackages() default {};@AliasFor(annotation = ComponentScan.class,attribute = "basePackageClasses")Class<?>[] scanBasePackageClasses() default {};
}

KEY：MAVEN_HOME
VALUE:D:apache-maven-3.6.0KEY: PATH
VALUE:%MAVEN_HOME%bin

mvn dependency:tree

<!--swagger-ui-->
<dependency><groupId>io.springfox</groupId><artifactId>springfox-swagger-ui</artifactId><version>2.5.0</version>
</dependency><!--swagger2-->
<dependency><groupId>io.springfox</groupId><artifactId>springfox-swagger2</artifactId><version>2.5.0</version>
</dependency>

@ApiModel("用户模型")
@AllArgsConstructor
@Getter
public class User {@ApiModelProperty("用户id")private int id;@ApiModelProperty("用户姓名")private String name;@ApiModelProperty("用户密码")private String password;
}
@Api("User相关api")
@RestController
@RequestMapping("/user")
public class UserController {@RequestMapping(value = "/sayHello", method = RequestMethod.GET)public String sayHello() {return "hello, boy!";}@ApiOperation("根据id获取信息")@ApiImplicitParams({@ApiImplicitParam(paramType = "query", name = "id", dataType = "int",required = true, value = "用户的id", defaultValue = "1")})@ApiResponses({@ApiResponse(code = 400, message = "请求参数没填好"),@ApiResponse(code = 404, message = "请求路径不正确")})@RequestMapping(value = "/getUserInfo", method = RequestMethod.GET)public User getUserInfo(@RequestParam("id") int id) {if (id == 1) {return new User(1, "rose", "123456");}return new User(2, "jack", "123456");}
}

<!--lombok-->
<dependency><groupId>org.projectlombok</groupId><artifactId>lombok</artifactId><version>1.16.8</version>
</dependency>

@ApiModel("用户模型")
@AllArgsConstructor
@Getter
@Builder
public class User {@ApiModelProperty("用户id")private int id;@ApiModelProperty("用户姓名")private String name;@ApiModelProperty("用户密码")private String password;
}
User user = User.builder().id(1).name("jy").password("123").build();