總結了以下幾種方式，歡迎補充
3，為TextField綁定Did End On Exit事件
新建一個項目，打開Main.storyboard,添加一個Text Field,與ViewController建立連接，然后點擊空白處，在右邊窗口修改Custom Class 的class改為UIControl
然后為UIControl綁定Touch Up Inside事件(只有改為UIControl后才能綁定事件)
ViewController:
import UIKitclass 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(); } }只需要在ViewController里重寫touchesEnded方法
//觸摸事件，當一個或多個手指離開屏幕時觸發 override func touchesEnded(touches: Set<NSObject>, withEvent event: UIEvent) { name.resignFirstResponder(); }
選擇Main.storyboard中的Text Field，按住control拖拉的方式為其綁定Did End On Exit事件
@IBAction func DoneCloseKeyBoard(sender: AnyObject) { name.resignFirstResponder(); }
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