iOS開發——資料持久化Swift篇&模型對象歸檔

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模型對象歸檔

 

 1 import UIKit 2  3 class ViewController: UIViewController { 4  5      6      7     @IBOutlet weak var textField: UITextField! 8      9     @IBAction func btnSave(sender: UIButton) {10         var text = textField.text as NSString11         var image = UIImage(named: "log")12         13         var textFilepath = getPath("data.txt")14         var person = Person()15         person.name =text16         person.log = image17         18         var data = NSKeyedArchiver.archivedDataWithRootObject(person)19         data.writeToFile(textFilepath, atomically: true)20     }21     22     @IBAction func btnLoad(sender: UIButton) {23         var textFilepath = getPath("data.txt")24         var person = NSKeyedUnarchiver.unarchiveObjectWithFile(textFilepath)  as Person25         textField.text = person.name26         textField.image = person.image27         28         println(log.image)29         println(person.name)30     }31     32     33     @IBOutlet weak var logImage: UIImageView!34     35     override func viewDidLoad() {36         super.viewDidLoad()37         38         /**39         Archive40         */41         42         43         /**44             UnArchive45         */46         47         48         49     }50 51     override func didReceiveMemoryWarning() {52         super.didReceiveMemoryWarning()53         // Dispose of any resources that can be recreated.54     }55 56 57     //擷取檔案目錄58     func getPath(fileName:String)->String {59         var paths = NSSearchPathForDirectoriesInDomains(NSSearchPathDirectory.DocumentDirectory, NSSearchPathDomainMask.UserDomainMask, true)60         var documents = paths[0] as? String61         return documents!.stringByAppendingPathComponent(fileName)62     }63 64     65 }

 

 

iOS開發——資料持久化Swift篇&模型對象歸檔