iOS UITextField完成输入后关闭键盘的方法总结

//

// ViewController.swift

// UITextField完成输入后关闭键盘的方法

//

// Created by
悦兑科技 on 15/1/19.

// Copyright (c) 2015年 BSY. All rights reserved.

//

import UIKit

class ViewController: UIViewController,UITextFieldDelegate {

var textF = UITextField()

override func viewDidLoad() {
super.viewDidLoad()

[self .addUITextField()];

}

func addUITextField(){

var text:UITextField = UITextField(frame: CGRectMake(30, 100, 260, 30))
text.layer.borderColor = UIColor .lightGrayColor().CGColor
text.layer.borderWidth = 2
self.view.addSubview(text)
text.delegate = self
self.textF = text

}

/**

第一种方法回退键盘

*/

// override func touchesBegan(touches: NSSet, withEvent event: UIEvent) {

// self.textF.resignFirstResponder()

// }

/**

第二种方法回退键盘

*/

func textFieldShouldReturn(textField: UITextField) -> Bool {

if(self.textF==textField){

textField.resignFirstResponder()

}

return true
}

}