被代理对象定义协议方法(RegisterViewController)
//1.定义协议方法 protocol RegisterDelegate { func registerZhanghaoMima(zhanghao: NSString,mima: NSString) } class RgisterViewController: UIViewController { @IBOutlet weak var _zhanghaoField: UITextField! @IBOutlet weak var _mimaField: UITextField! //代理对象 var delegate: RegisterDelegate? override func viewDidLoad() { super.viewDidLoad() } //MARK: 注册按钮 @IBAction func registerAction(sender: UIButton) { let zhanghao = _zhanghaoField.text let mima = _mimaField.text //2.代理对象调用协议方法 delegate?.registerZhanghaoMima(zhanghao,mima: mima) //推出模态视图 self.dismissViewControllerAnimated(true,completion: nil) }
//1.遵循协议(<span style="font-family: Arial,Helvetica,sans-serif;">RegisterDelegate</span>) class LoginViewController: UIViewController,RegisterDelegate { @IBOutlet weak var _LoginLabel: UILabel! override func viewDidLoad() { super.viewDidLoad() } //注册按钮 @IBAction func registerAction(sender: UIButton) { let registerVC = self.storyboard?.instantiateViewControllerWithIdentifier("RgisterViewController") as RgisterViewController //2.设置代理 registerVC.delegate = self //模态试图弹入注册视图 self.presentViewController(registerVC,animated: true,completion: nil) } //MARK: RegisterDelegate(3.代理对象实行协议方法) func registerZhanghaoMima(zhanghao: NSString,mima: NSString) { let registerString = NSString(format: "账号:%@ 密码:%@",zhanghao,mima) _LoginLabel.text = registerString }
版权声明:本文内容由互联网用户自发贡献,该文观点与技术仅代表作者本人。本站仅提供信息存储空间服务,不拥有所有权,不承担相关法律责任。如发现本站有涉嫌侵权/违法违规的内容, 请发送邮件至 dio@foxmail.com 举报,一经查实,本站将立刻删除。