Spring 配置类注入报错？

Question

spring version: 4.3.13

@Setter
@Getter
@ToString
public class Car {
  private String name;
}

@Setter
@Getter
@ToString
public class Person {

  private String name;
  private Car car;
}

@Configuration
public class AppConfig {

  @Bean
  public Car car() {
    Car car = new Car();
    car.setName("bmw");
    return car;
  }
}

@Configuration
public class AppConfig2 {

  @Autowired
  private AppConfig appConfig;

  @Bean
  public Person person() {
    Person person = new Person();
    person.setName("echo");
    person.setCar(appConfig.car());
    return person;
  }
}

Answer 1

这个只是idea不识别，不影响注入