嗨我建立具有项目关系到自身报纸数据库(项目可以有很多其他项目如儿童)SWIFT核心数据关系一对多对自己的实体
这里是我的NSmanageObjectSubclass
import Foundation
import CoreData
extension Item {
@NSManaged var by: String?
@NSManaged var dead: NSNumber?
@NSManaged var descendants: NSNumber?
@NSManaged var id: NSNumber?
@NSManaged var isdeleted: NSNumber?
@NSManaged var score: NSNumber?
@NSManaged var text: String?
@NSManaged var time: NSDate?
@NSManaged var title: String?
@NSManaged var type: String?
@NSManaged var url: String?
@NSManaged var kids: NSSet?
@NSManaged var parent: Item?
@NSManaged var parts: NSSet?
}
问题是我该如何将item
添加到属性kids: NSSet
这个关系的定义对于自己来说是一对多的反转。任何帮助非常感谢。谢谢。
你加在XCDataModel关系后关系? – Harsh
是的,我设置一对多关系与项目 –