[英]How to Save Array of object in UserDefaults in iOS 12.0. using Any Array [[String: Any]]
我想在用戶默認情況下不使用Codable保存對象數組。
我嘗試過將數據轉換為數組並保存為用戶默認設置:
let childsArray = result["childs"] as? [[String: Any]]
let childsData = NSKeyedArchiver.archivedData(withRootObject: childsArray!)
UserDefaults.standard.set(childsData, forKey: "childsArray")
UserDefaults.standard.synchronize()
它給了我這個警告:
在iOS 12.0中不推薦使用'archivedData(withRootObject :)':使用+ archivedDataWithRootObject:requiringSecureCoding:error:代替
如何解決此警告並達到在UserDefaults中保存對象數組的預期目標?
let object1 = ["key1":"value1"]
let object2 = ["key2":"value2"]
let array = [object1, object2]
UserDefaults.standard.set(array, forKey: "childArray")
UserDefaults.standard.synchronize()
let storedArray = UserDefaults.standard.value(forKey: "childArray") as! [[String:String]]
print(storedArray)
您可以使用以下代碼歸檔數組:
do {
let childsData = try NSKeyedArchiver.archivedData(withRootObject: childsArray!, requiringSecureCoding: true)
UserDefaults.standard.set(childsData, forKey: "childsArray")
UserDefaults.standard.synchronize()
} catch {
print(error)
}
並使用以下代碼取消歸檔對象:
do {
let childData = UserDefaults.standard.value(forKey: "childsArray")
if let childArray = try? NSKeyedUnarchiver.unarchiveTopLevelObjectWithData(childData as! Data) {
print(childArray)
}
} catch {
print(error)
}
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.