我想從核心數據中獲取一些數據,並且遇到輕微問題。我可以毫無問題地獲取數據。如果我println(data)
它將顯示fooBar
不與存儲在它的數據存在SWIFT - 'AnyObject'沒有成員名'fooBar'
"'AnyObject' does not have a member name 'fooBar'
:那一刻我試圖抓住特定的數據塊(即data.fooBar
),它拋出了一個錯誤。
我不確定它爲什麼這樣做。我試圖尋找答案,並嘗試了一堆不同的東西,但似乎沒有任何工作。任何幫助都會很棒。謝謝。 :)
var results : Array<AnyObject> = []
func tableView(tableView: UITableView!, didSelectRowAtIndexPath indexPath: NSIndexPath!) {
//get the data for that storedItem
var appDel:AppDelegate = UIApplication.sharedApplication().delegate as AppDelegate
var context:NSManagedObjectContext = appDel.managedObjectContext!
let req = NSFetchRequest(entityName: "storedItems")
let name:String = results[indexPath.row].name
req.predicate = NSPredicate(format: "name == %@", name)
req.returnsObjectsAsFaults = false
var tapResults = context.executeFetchRequest(req, error: nil)!
for item in tapResults {
println(item) //works, shows all data correctly(including subText)
println(item.name) //works, the only one that does for some reason???
println(item.subText) //Error 'AnyObject' does not have a member name 'subText'
}
下面是結果:println(item)
println(item) <NSManagedObject: 0x7f04be60> (entity: storedItems; id: 0x7f041de0 <x-coredata://DD4F8E68-2234-46B5-B1D8-AE2F75245C63/storedItems/p1> ; data: {
alarmSound = default;
isDefault = 0;
name = "test";
sliderHours = 0;
sliderMinutes = 0;
sliderSeconds = 0;
subText = "00:00:00";
UPDATE:基於以上vacawama答案的討論(謝謝阿龍)。如需正確的解決方案,請參閱我接受的答案。
我itemObj類
@objc(itemObj)
class itemObj: NSManagedObject {
@NSManaged var name:String!
@NSManaged var sliderHours:NSNumber
@NSManaged var sliderMinutes:NSNumber
@NSManaged var sliderSeconds:NSNumber
@NSManaged var subText:String!
@NSManaged var alarmSound:String!
@NSManaged var isDefault:NSNumber
}
我的AddItem VC:
var tResults = (context.executeFetchRequest(req, error: nil))
for item in tResults as [itemObj!] {
println(item.name)
println(item.subText)
}
swift是類型安全的,有100多個問題處理問題完全一樣。 – 2014-09-28 13:28:27
@ Daij-Djan感謝downvote,正如你在我的問題中看到的,我一直在尋找一段時間(仍然是)。你能提供一個可以幫助我的鏈接嗎? – 2014-09-28 13:31:54
許多相關部分中的鏈接相匹配。當你問一個鏈接:試試這個:(我檢查它,它確實解釋它)http://stackoverflow.com/questions/24770515/swift-anyobject-does-not-have-a-member-named-removeatindex? rq = 1 OR this:http://stackoverflow.com/questions/25223549/swift-anyobject-does-not-have-a-member-named-make?rq=1 – 2014-09-28 13:35:28