import UIKit

class ViewController: UIViewController {

    @IBOutlet var name: UITextField!
    override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view, typically from a nib.
    }

    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }
   
    @IBAction func CloseKeyBoard(sender: AnyObject) {
        name.resignFirstResponder();
    }
   
}

//触摸事件，当一个或多个手指离开屏幕时触发
    override func touchesEnded(touches: Set<NSObject>, withEvent event: UIEvent) {
        name.resignFirstResponder();
    }

 @IBAction func DoneCloseKeyBoard(sender: AnyObject) {
        name.resignFirstResponder();
    }