如何在Spring数据中调整嵌套对象的大小

public class ParentObject {
    private String property1;
    
    @JsonIgnore
    private ChildObject childObject;
    
    // getters and setters
}

public class ChildObject {
    private String property2;
    
    // getters and setters
}

public class ParentObject {
    private String property1;
    
    @JsonView(Views.NestedObject.class)
    private ChildObject childObject;
    
    // getters and setters
}

public class ChildObject {
    private String property2;
    
    // getters and setters
}

public class Views {
    public static class NestedObject {}
}

@RestController
public class MyController {
    @GetMapping("/api/parent")
    @JsonView(Views.NestedObject.class)
    public ParentObject getParentObject() {
        // 返回ParentObject对象
    }
}

public class ParentObjectDTO {
    private String property1;
    
    private String childProperty2;
    
    // getters and setters
}

@Service
public class MyService {
    public ParentObjectDTO convertToDTO(ParentObject parentObject) {
        ParentObjectDTO dto = new ParentObjectDTO();
        dto.setProperty1(parentObject.getProperty1());
        dto.setChildProperty2(parentObject.getChildObject().getProperty2());
        return dto;
    }
}