我试图从字典中获取数据并将其附加到数组中(我遵循了这个Tutorial)。字典是这样的:["Name":TEST,"ID":51C3EE09-5718-4E07-9C88-FC2409BA6AC1,"Name_O":test,"Users":]但不幸的是它无法获取数据refHandle=ref.child("Pages").observe(.childAdded,with:{(snapshot)inifletdictionary=snapshot.valueas?[String:AnyObject]{print(dictionary)letdata=Data()data.setValu