Apple pay EMV交易

import PassKit

class ViewController: UIViewController, PKPaymentAuthorizationViewControllerDelegate {
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        if PKPaymentAuthorizationViewController.canMakePayments() {
            let request = PKPaymentRequest()
            request.countryCode = "US"
            request.currencyCode = "USD"
            request.merchantIdentifier = "your.merchant.identifier"
            request.supportedNetworks = [.visa, .masterCard, .amex]
            request.merchantCapabilities = .capability3DS
            
            let item = PKPaymentSummaryItem(label: "Item", amount: NSDecimalNumber(decimal: 19.99))
            request.paymentSummaryItems = [item]
            
            let authViewController = PKPaymentAuthorizationViewController(paymentRequest: request)
            authViewController?.delegate = self
            present(authViewController!, animated: true, completion: nil)
        }
    }
    
    func paymentAuthorizationViewControllerDidFinish(_ controller: PKPaymentAuthorizationViewController) {
        dismiss(animated: true, completion: nil)
    }
    
    func paymentAuthorizationViewController(_ controller: PKPaymentAuthorizationViewController, didAuthorizePayment payment: PKPayment, handler completion: @escaping (PKPaymentAuthorizationResult) -> Void) {
        // 处理支付授权
        let result = PKPaymentAuthorizationResult(status: .success, errors: nil)
        completion(result)
    }
}