Swift - local Date&Time View

//ViewController
 
import UIKit
 
class ViewController: UIViewController {
    @IBOutlet weak var label: UILabel!
 
    override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view, typically from a nib.
        //1초에 데이터 전환
    NSTimer.scheduledTimerWithTimeInterval(1, target: self, selector: Selector("updateTime"), userInfo: nil, repeats: true)
    }
    
    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }
    
    
    func updateTime(){
        label.text = NSDateFormatter.localizedStringFromDate(NSDate(), dateStyle: NSDateFormatterStyle.NoStyle, timeStyle: NSDateFormatterStyle.LongStyle)
    }
}