條紋 - 在條紋方法中出現錯誤

Question

我正在嘗試將Stripe整合到我的應用程序中，並且我遵循了一個似乎已過時的教程。這是我的代碼的外觀：

import Foundation 
import UIKit 
import Stripe 
import AFNetworking 

class PaymentViewController: UIViewController { 

    override func viewDidLoad() { 
     super.viewDidLoad() 
    } 

    @IBOutlet weak var emailTextField: UITextField! 
    @IBOutlet weak var cardNumberTextField: UITextField! 
    @IBOutlet weak var expirationDateTextField: UITextField! 
    @IBOutlet weak var cvcTextField: UITextField! 


    @IBAction func payButton(_ sender: Any) { 
     // Initiate the card 
     let stripCard = STPCardParams() 

     // Split the expiration date to extract Month & Year 
     if self.expirationDateTextField.text?.isEmpty == false { 
      let expirationDate = self.expirationDateTextField.text?.components(separatedBy: "/") 
      let expMonth = UInt((expirationDate?[0])!) 
      let expYear = UInt((expirationDate?[1])!) 

      // Send the card info to Strip to get the token 
      stripCard.number = self.cardNumberTextField.text 
      stripCard.cvc = self.cvcTextField.text 
      stripCard.expMonth = expMonth! 
      stripCard.expYear = expYear! 
     } 

     var underlyingError: NSError? 
     stripCard.validateCardReturningError(&underlyingError) 
     if underlyingError != nil { 
      self.handleError(underlyingError!) 
      return 
     } 
    } 

} 

我在這個代碼塊得到一個錯誤：

  var underlyingError: NSError? 
     stripCard.validateCardReturningError(&underlyingError) 
     if underlyingError != nil { 
      self.handleError(underlyingError!) 
      return 
     } 
    } 

錯誤說.validateCardReturningError(&underlyingError)已過時，我應該使用STPCardValidator代替。我試圖這樣做，但無法修復它。幫助將不勝感激。

Answer 1

根據@ jflinter。你應該這樣流動

let cardParams = STPCardParams() 
cardParams.number = ... 
cardParams.expMonth = ... 
cardParams.expYear = ... 
cardParams.cvc = ... 
if STPCardValidator.validationStateForCard(cardParams) == .Valid { 
    // the card is valid. 
}