if (![PKPaymentAuthorizationViewController class]) {//PKPaymentAuthorizationViewController需iOS8.0以上支持NSLog(@"操作系统不支持ApplePay，请升级至9.0以上版本，且iPhone6以上设备才支持");return;}//检查当前设备是否可以支付if (![PKPaymentAuthorizationViewController canMakePayments]) {//支付需iOS9.0以上支持NSLog(@"设备不支持ApplePay，请升级至9.0以上版本，且iPhone6以上设备才支持");return;}//检查用户是否可进行某种卡的支付，是否支持Amex、MasterCard、Visa与银联四种卡，根据自己项目的需要进行检测NSArray *supportedNetworks = @[PKPaymentNetworkAmex, PKPaymentNetworkMasterCard,PKPaymentNetworkVisa,PKPaymentNetworkChinaUnionPay];if (![PKPaymentAuthorizationViewController canMakePaymentsUsingNetworks:supportedNetworks]) {NSLog(@"没有绑定支付卡");return;}

//设置币种、国家码及merchant标识符等基本信息PKPaymentRequest *payRequest = [[PKPaymentRequest alloc]init];payRequest.countryCode = @"CN";     //国家代码payRequest.currencyCode = @"CNY";       //RMB的币种代码payRequest.merchantIdentifier = @"merchant.ApplePayDemoYasin";  //申请的merchantIDpayRequest.supportedNetworks = supportedNetworks;   //用户可进行支付的银行卡payRequest.merchantCapabilities = PKMerchantCapability3DS|PKMerchantCapabilityEMV;      //设置支持的交易处理协议，3DS必须支持，EMV为可选，目前国内的话还是使用两者吧

//设置两种配送方式（可以进行选择）PKShippingMethod *freeShipping = [PKShippingMethod summaryItemWithLabel:@"包邮" amount:[NSDecimalNumber zero]];freeShipping.identifier = @"freeshipping";freeShipping.detail = @"6-8 天 送达";PKShippingMethod *expressShipping = [PKShippingMethod summaryItemWithLabel:@"极速送达" amount:[NSDecimalNumber decimalNumberWithString:@"10.00"]];expressShipping.identifier = @"expressshipping";expressShipping.detail = @"2-3 小时 送达";payRequest.shippingMethods = @[freeShipping, expressShipping];

NSDecimalNumber *subtotalAmount = [NSDecimalNumber decimalNumberWithMantissa:1275 exponent:-2 isNegative:NO];   //12.75
PKPaymentSummaryItem *subtotal = [PKPaymentSummaryItem summaryItemWithLabel:@"商品价格" amount:subtotalAmount];NSDecimalNumber *discountAmount = [NSDecimalNumber decimalNumberWithString:@"-12.74"];      //-12.74
PKPaymentSummaryItem *discount = [PKPaymentSummaryItem summaryItemWithLabel:@"优惠折扣" amount:discountAmount];NSDecimalNumber *methodsAmount = [NSDecimalNumber zero];
PKPaymentSummaryItem *methods = [PKPaymentSummaryItem summaryItemWithLabel:@"包邮" amount:methodsAmount];NSDecimalNumber *totalAmount = [NSDecimalNumber zero];
totalAmount = [totalAmount decimalNumberByAdding:subtotalAmount];
totalAmount = [totalAmount decimalNumberByAdding:discountAmount];
totalAmount = [totalAmount decimalNumberByAdding:methodsAmount];
PKPaymentSummaryItem *total = [PKPaymentSummaryItem summaryItemWithLabel:@"Yasin" amount:totalAmount];  //最后这个是支付给谁。哈哈，快支付给我summaryItems = [NSMutableArray arrayWithArray:@[subtotal, discount, methods, total]];
//summaryItems为账单列表，类型是 NSMutableArray，这里设置成成员变量，在后续的代理回调中可以进行支付金额的调整。
payRequest.paymentSummaryItems = summaryItems;

显示购物信息并进行支付

//ApplePay控件PKPaymentAuthorizationViewController *view = [[PKPaymentAuthorizationViewController alloc]initWithPaymentRequest:payRequest];view.delegate = self;[self presentViewController:view animated:YES completion:nil];

 PKPaymentAuthorizationViewControllerDelegate代理

1. PKPayment 支付成功信息

PKPaymentToken *payToken = payment.token;
//支付凭据，发给服务端进行验证支付是否真实有效
PKContact *billingContact = payment.billingContact;     //账单信息
PKContact *shippingContact = payment.shippingContact;   //送货信息
PKContact *shippingMethod = payment.shippingMethod;     //送货方式
2.PKContact 联系人信息

NSPersonNameComponents *name = contact.name;                //联系人姓名
CNPostalAddress *postalAddress = contact.postalAddress;     //联系人地址
NSString *emailAddress = contact.emailAddress;              //联系人邮箱
CNPhoneNumber *phoneNumber = contact.phoneNumber;           //联系人手机
NSString *supplementarySubLocality = contact.supplementarySubLocality;  //补充信息，地址详细描述，其他备注等等,iOS9.2及以上才有

-(void)paymentAuthorizationViewController:(PKPaymentAuthorizationViewController *)controllerdidSelectShippingContact:(PKContact *)contactcompletion:(void (^)(PKPaymentAuthorizationStatus, NSArray<PKShippingMethod *> * _Nonnull, NSArray<PKPaymentSummaryItem *> * _Nonnull))completion{//contact送货地址信息，PKContact类型//送货信息选择回调，如果需要根据送货地址调整送货方式，比如普通地区包邮+极速配送，偏远地区只有付费普通配送，进行支付金额重新计算，可以实现该代理，返回给系统：shippingMethods配送方式，summaryItems账单列表，如果不支持该送货信息返回想要的PKPaymentAuthorizationStatuscompletion(PKPaymentAuthorizationStatusSuccess, shippingMethods, summaryItems);
}

-(void)paymentAuthorizationViewController:(PKPaymentAuthorizationViewController *)controllerdidSelectShippingMethod:(PKShippingMethod *)shippingMethodcompletion:(void (^)(PKPaymentAuthorizationStatus, NSArray<PKPaymentSummaryItem *> * _Nonnull))completion{//配送方式回调，如果需要根据不同的送货方式进行支付金额的调整，比如包邮和付费加速配送，可以实现该代理PKShippingMethod *oldShippingMethod = [summaryItems objectAtIndex:2];PKPaymentSummaryItem *total = [summaryItems lastObject];total.amount = [total.amount decimalNumberBySubtracting:oldShippingMethod.amount];total.amount = [total.amount decimalNumberByAdding:shippingMethod.amount];[summaryItems replaceObjectAtIndex:2 withObject:shippingMethod];[summaryItems replaceObjectAtIndex:3 withObject:total];completion(PKPaymentAuthorizationStatusSuccess, summaryItems);
}

-(void)paymentAuthorizationViewController:(PKPaymentAuthorizationViewController *)controller didSelectPaymentMethod:(PKPaymentMethod *)paymentMethod completion:(void (^)(NSArray<PKPaymentSummaryItem *> * _Nonnull))completion{//支付银行卡回调，如果需要根据不同的银行调整付费金额，可以实现该代理completion(summaryItems);
}

-(void)paymentAuthorizationViewController:(PKPaymentAuthorizationViewController *)controllerdidAuthorizePayment:(PKPayment *)paymentcompletion:(void (^)(PKPaymentAuthorizationStatus status))completion {

 //这是新版  //拿到token， PKPaymentToken *token = payment.token; //拿到订单地址 NSString *city = payment.billingContact.postalAddress.city; NSLog(@"city:%@",city); ///在这里将token和地址发送到自己的服务器，有自己的服务器与银行和商家进行接口调用和支付将结果返回到这里 //我们根据结果生成对应的状态对象，根据状态对象显示不同的支付结构 //状态对象 PKPaymentAuthorizationStatus status = PKPaymentAuthorizationStatusFailure; completion(status); //支付凭据，发给服务端进行验证支付是否真实有效BOOL asyncSuccessful = FALSE;

}

-(void)paymentAuthorizationViewControllerDidFinish:(PKPaymentAuthorizationViewController *)controller{[controller dismissViewControllerAnimated:YES completion:nil];
}