Spring Boot入门实验

<!-- 父工程 -->
<parent>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-parent</artifactId>
    <version>2.7.10</version>
</parent>
<!-- 起步依赖 -->
<dependencies>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-web</artifactId>
    </dependency>
</dependencies>

@SpringBootApplication
public class SpringBootApp {

    public static void main(String[] args) {
        SpringApplication.run(SpringBootApp.class,args);
    }

}

@RestController
public class MyController {

    @GetMapping("/hello")
    public String hello(){
        return "创建第一个springboot项目！";
    }

}

@Component
@ConfigurationProperties(prefix = "user")
public class User {
    private String stdId;
    private String userName;
    private String[] hobby;
    @Override
    public String toString() {
        return "User{" +
                "stdId='" + stdId + '\'' +
                ", userName='" + userName + '\'' +
                ", hobby=" + Arrays.toString(hobby) +
                '}';
    }
getter，setter方法省略
}

user.stdId=1008611
user.userName=坤哥
user.hobby=唱,跳,rap

public class UserService {
    @Autowired
    private User user;

    public User getUser() {
        return user;
    }

}

@Configuration
public class MyConfig {

    @Bean
    public UserService getUserService(){
        return new UserService();
    }

}

@RestController
public class UserController {

    @Autowired
    private UserService userService;
    public User getUser(){
        User user = userService.getUser();
        return user;
    }

    @GetMapping("/h")
    public String hello(){
        return "hello springboot";
    }

}

@SpringBootTest
public class UserControllerTest {

    @Autowired
    public UserController userController;
    @Test
    public void userController(){

        User user = userController.getUser();

        List<String> hobby = Arrays.asList(user.getHobby());
        System.out.println("学号："+user.getStdId());
        System.out.println("姓名："+user.getUserName());
        System.out.println("爱好："+hobby);
        System.out.println(user.toString());

    }
}