小编Joa*_*aza的帖子

我有一个这样的模型：

class CalendarEvent: Object, Mappable {\n\n\ndynamic var exId = ""\n@objc dynamic var title:String = ""\n@objc dynamic var desc:String = ""\ndynamic var fullDate = Date()\ndynamic var date = ""\ndynamic var time = ""\ndynamic var location = ""\ndynamic var subcategory:Subcategory?\ndynamic var update = false\nvar participants = List<Participant>()\n}\n\nclass Category:Object, Mappable{\ndynamic var exId = ""\n@objc dynamic var name="";\nvar subcategories = List<Subcategory>()\n}\n\nclass Subcategory:Object, Mappable{\ndynamic var exId = ""\ndynamic var name = ""\nlet category = LinkingObjects(fromType: Category.self, property: "subcategories")\ndynamic var active:Bool = true\ndynamic var update …