通过SWIFT使用NSCore和NSKeyedArchiver
我一直在尝试在我的应用程序上获取持久数据,以便有用户条目的历史记录。在我将数据存储到阵列中之后,我想对其进行归档,在取消归档之后,我得到的是奇怪的值,而不是我想看到的值 这是我用来存储数据的类 进口基金会通过SWIFT使用NSCore和NSKeyedArchiver,swift,class,nsuserdefaults,nscoder,Swift,Class,Nsuserdefaults,Nscoder,我一直在尝试在我的应用程序上获取持久数据,以便有用户条目的历史记录。在我将数据存储到阵列中之后,我想对其进行归档,在取消归档之后,我得到的是奇怪的值,而不是我想看到的值 这是我用来存储数据的类 进口基金会 class MyHistory: NSObject, NSCoding { var kicksNumber: Int var durationNumber: Int init(kicksNumber: Int,durationNumber: Int) {
class MyHistory: NSObject, NSCoding {
var kicksNumber: Int
var durationNumber: Int
init(kicksNumber: Int,durationNumber: Int) {
self.kicksNumber = kicksNumber
self.durationNumber = durationNumber
}
required init(coder decoder: NSCoder) {
kicksNumber = decoder.decodeObjectForKey("kicksNumber") as! Int
durationNumber = decoder.decodeObjectForKey("durationNumber") as! Int
}
func encodeWithCoder(coder: NSCoder) {
coder.encodeObject(self.kicksNumber, forKey: "kicksNumber")
coder.encodeObject(self.durationNumber, forKey: "durationNumber")
}
}
接下来是我的课程,在这里发生了一些事情,我正在测试保存和加载过程
class Kicks: UIViewController {
var myHistoryArray: [MyHistory] = []
var currentMyHistory: MyHistory!
var newHistory = [MyHistory]()
override func viewDidLoad() {
super.viewDidLoad()
// Do any additional setup after loading the view, typically from a nib.
self.view.backgroundColor = UIColor(patternImage: UIImage(named: "background13.png")!)
let defaults = NSUserDefaults.standardUserDefaults()
if let savedPeople = defaults.objectForKey("MyHistory") as? NSData {
newHistory = NSKeyedUnarchiver.unarchiveObjectWithData(savedPeople) as! [MyHistory]
//print("this is archived ", newHistory[0])
}
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
var count = 0 as Int
var countKicks = 0 as Int
var kickReached = false as Bool
var pressedOnce = true as Bool
var timer = NSTimer()
var test: MyHistory!
@IBOutlet var timerLabel: UITextField!
@IBOutlet var kicksLabel: UITextField!
@IBAction func kickButton() {
//currentMyHistory.kicksNumber = 5
if pressedOnce {
pressedOnce = false
timer = NSTimer.scheduledTimerWithTimeInterval(1, target: self, selector: Selector("counter"), userInfo: nil, repeats: true)
} else if kickReached {
// let date = NSDate()
// let calendar = NSCalendar.currentCalendar()
// let timer_total = calendar.components([ .Hour, .Minute, .Second], fromDate: date)
} else if !pressedOnce {
countKicks++
kicksLabel.text = "\(countKicks)"
if countKicks == 10 {
kickReached = true
timer.invalidate()
congratsAlert()
currentMyHistory = MyHistory(kicksNumber: 5, durationNumber: 10)
print("this is currentMyHistory", currentMyHistory.kicksNumber )
myHistoryArray.append(currentMyHistory)
test = myHistoryArray[0]
print("this is myHistoryArray0", test.kicksNumber)
//save data
let savedData = NSKeyedArchiver.archivedDataWithRootObject(myHistoryArray)
let defaults = NSUserDefaults.standardUserDefaults()
defaults.setObject(savedData, forKey: "MyHistory")
//load data
//let defaults = NSUserDefaults.standardUserDefaults()
// let person = people[indexPath.item]
//let historyUnarchived = NSKeyedUnarchiver.unarchiveObjectWithFile("/path/to/archive") as? [MyHistory]
// let data1 = NSUserDefaults.standardUserDefaults().objectForKey("myHistoryArray")
print("this is unrachived",newHistory[0])
clear()
}
}
}
// save countKicks, count, and stamp i
func congratsAlert() {
let alert = UIAlertController(title: "Congratulation", message: "Yay!!! Angelina kicked 10 times in less than 2 hours.",preferredStyle: .Alert)
let okAction = UIAlertAction(title: "Ok",style: .Default,handler:{(action:UIAlertAction) -> Void in})
alert.addAction(okAction)
presentViewController(alert,animated: true,completion: nil)
}
func clear() {
count = 0
countKicks = 0
kickReached = false
pressedOnce = true
timerLabel.text = "00:00:0\(count)"
kicksLabel.text = "\(countKicks)"
}
func counter() {
++count
let (hour,minutes,seconds) = secondsToHoursMinutesSeconds(count)
if seconds < 10 && minutes < 10 {
timerLabel.text = "0\(hour):0\(minutes):0\(seconds)"
} else if seconds > 9 && minutes < 10 {
timerLabel.text = "0\(hour):0\(minutes):\(seconds)"
} else if seconds > 9 && minutes > 9 {
timerLabel.text = "0\(hour):\(minutes):\(seconds)"
} else if seconds < 10 && minutes > 9 {
timerLabel.text = "0\(hour):\(minutes):0\(seconds)"
}
}
func secondsToHoursMinutesSeconds (seconds : Int) -> (Int, Int, Int) {
return (seconds / 3600, (seconds % 3600) / 60, (seconds % 3600) % 60)
}
/*
func savePlaces() {
let placesArray = [myHistory(kicksNumber: 420, durationNumber: 89)]
let placesData = NSKeyedArchiver.archivedDataWithRootObject(placesArray)
NSUserDefaults.standardUserDefaults().setObject(placesData, forKey: "kicks")
}
func loadPlaces() {
let placesData = NSUserDefaults.standardUserDefaults().objectForKey("kicks") as? NSData
if let placesData = placesData {
let placesArray = NSKeyedUnarchiver.unarchiveObjectWithData(placesData) as? [myHistory]
if let placesArray = placesArray {
// do something…
}
}
}*/
}
class Kicks:UIViewController{
var myHistoryArray:[MyHistory]=[]
var currentMyHistory:MyHistory!
var newHistory=[MyHistory]()
重写func viewDidLoad(){
super.viewDidLoad()
//加载视图后,通常从nib执行任何其他设置。
self.view.backgroundColor=UIColor(patternImage:UIImage(名为:“background13.png”)!)
让defaults=NSUserDefaults.standardUserDefaults()
如果让savedPeople=defaults.objectForKey(“MyHistory”)作为NSData{
newHistory=NSKeyedUnarchiver.unarchiveObjectWithData(savedPeople)为![MyHistory]
//打印(“已存档”,新历史记录[0])
}
}
重写函数didReceiveMemoryWarning(){
超级。我收到了记忆警告()
//处置所有可以重新创建的资源。
}
变量计数=0作为Int
var countKicks=0作为Int
var KICKREACH=错误为布尔
var pressedOnce=作为布尔值为真
var timer=NSTimer()
var测试:MyHistory!
@IBOutlet var timerLabel:UITextField!
@IBMOutlet标签:UITextField!
@iAction func kickButton(){
//currentMyHistory.kickNumber=5
如果按下按钮{
pressedOnce=false
timer=NSTimer.scheduledTimerWithTimeInterval(1,目标:self,选择器:选择器(“计数器”),userInfo:nil,repeats:true)
}否则,如果到达{
//let date=NSDate()
//让calendar=NSCalendar.currentCalendar()
//让timer_total=calendar.components([.Hour、.Minute、.Second],fromDate:date)
}否则,请按Donce{
倒计时++
kicklabel.text=“\(countKicks)”
如果countKicks==10{
kickreach=true
timer.invalidate()
祝贺你
currentMyHistory=MyHistory(kickNumber:5,durationNumber:10)
打印(“这是currentMyHistory”,currentMyHistory.kickNumber)
myHistoryArray.append(currentMyHistory)
test=myHistoryArray[0]
打印(“这是myHistoryArray0”,test.kickNumber)
//保存数据
让savedData=NSKeyedArchiver.archivedDataWithRootObject(myHistoryArray)
让defaults=NSUserDefaults.standardUserDefaults()
setObject(savedData,forKey:“MyHistory”)
//加载数据
//让defaults=NSUserDefaults.standardUserDefaults()
//让person=people[indexPath.item]
//让historyUnarchived=NSKeyedUnarchiver.unarchiveObjectWithFile(“/path/to/archive”)作为?[MyHistory]
//让data1=NSUserDefaults.standardUserDefaults().objectForKey(“myHistoryArray”)
打印(“这是未实现的”,newHistory[0])
清除()
}
}
}
//保存countKicks、count和stamp i
func Congreatsalert(){
let alert=UIAlertController(标题:“祝贺”,信息:“耶!!!安吉丽娜在不到2小时内踢了10次。”,首选样式:。alert)
让okAction=UIAlertAction(标题:“确定”,样式:。默认值,处理程序:{(操作:UIAlertAction)->Void in})
alert.addAction(okAction)
presentViewController(警报、动画:真、完成:无)
}
func clear(){
计数=0
countKicks=0
kickreach=false
pressedOnce=true
timerLabel.text=“00:00:0\(计数)”
kicklabel.text=“\(countKicks)”
}
func计数器(){
++计数
let(小时、分钟、秒)=秒到小时分钟秒(计数)
如果秒<10和分钟<10{
timerLabel.text=“0\(小时):0\(分钟):0\(秒)”
}否则,如果秒>9和分钟<10{
timerLabel.text=“0\(小时):0\(分钟):\(秒)”
}否则,如果秒数>9&&分钟数>9{
timerLabel.text=“0\(小时):\(分钟):\(秒)”
}否则,如果秒数<10和分钟数>9{
timerLabel.text=“0\(小时):\(分钟):0\(秒)”
}
}
func secondstohoursminuteseconds(秒:Int)->(Int,Int,Int){
返回(秒/3600,(秒%3600)/60,(秒%3600)%60)
}
/*
func存储位置(){
let placesArray=[myHistory(kickNumber:420,durationNumber:89)]
让placesData=NSKeyedArchiver.archivedDataWithRootObject(placesArray)
NSUserDefaults.standardUserDefaults().setObject(placesData,forKey:“kicks”)
}
func loadPlaces(){
让placesData=NSUserDefaults.standardUserDefaults().objectForKey(“kicks”)作为NSData
如果让placesData=placesData{
让placesArray=NSKeyedUnarchiver.unarchiveObjectWithData(placesData)作为?[myHistory]
如果让placesArray=placesArray{
//做点什么…
}
}
}*/
}
我的输出如下:
这是我的历史记录5
这是我的历史阵列05
这是无法实现的
来自调试器的消息:由于信号15而终止
为什么未归档是奇怪的值 在MyHistory类中,您使用的是ints,因此在encodeWithCoder函数中,您应该使用ints
coder.encodeInteger(self.kicksNumber, forKey: "kicksNumber")
coder.encodeInteger(self.durationNumber, forKey: "durationNumber")
同样,对于解码器,您应该使用decodeIntForKey,而不是decodeObjectForKey
kicksNumber = decoder.decodeIntegerForKey("kicksNumber")
durationNumber = decoder.decodeIntegerForKey("durationNumber")