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我想改變登錄屏幕userName的出口,但其不工作我找不到我們的解決方案標籤出口不能被其他視圖控制器在迅速編輯3
let loginVC = storyboard?.instantiateViewController(withIdentifier: "LoginViewController") as! LoginViewController
if self.emailTextField.text == "" {
loginVC.userName?.text = "Hello"
} else {
loginVC.userName?.text = self.emailTextField.text!
}
navigationController?.pushViewController(loginVC, animated: true)
https://stackoverflow.com/questions/29422095/ch anging-a-label-in-prepareforsegue – Larme