Apple Pay

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#import <passkit passkit.h="">                                 //用户绑定的银行卡信息

#import <passkit pkpaymentauthorizationviewcontroller.h="">    //Apple pay的展示控件

#import <addressbook addressbook.h="">                         //用户联系信息相关</addressbook></passkit></passkit>

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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;

    }

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//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merchantID

  payRequest.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

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// payRequest.requiredBillingAddressFields = PKAddressFieldEmail;   

//如果需要邮寄账单可以选择进行设置，默认PKAddressFieldNone(不邮寄账单)

//楼主感觉账单邮寄地址可以事先让用户选择是否需要，否则会增加客户的输入麻烦度，体验不好，

  payRequest.requiredShippingAddressFields = PKAddressFieldPostalAddress|PKAddressFieldPhone|PKAddressFieldName;

  //送货地址信息，这里设置需要地址和联系方式和姓名，如果需要进行设置，默认PKAddressFieldNone(没有送货地址)

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//设置两种配送方式

  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];

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+ (instancetype)summaryItemWithLabel:(NSString *)label amount:(NSDecimalNumber *)amount;

+ (instancetype)summaryItemWithLabel:(NSString *)label amount:(NSDecimalNumber *)amount type:(PKPaymentSummaryItemType)type NS_AVAILABLE(NA, 9_0);

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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;

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//ApplePay控件

    PKPaymentAuthorizationViewController *view = [[PKPaymentAuthorizationViewController alloc]initWithPaymentRequest:payRequest];

    view.delegate = self;

    [self presentViewController:view animated:YES completion:nil];

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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

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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

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-(void)paymentAuthorizationViewController:(PKPaymentAuthorizationViewController *)controller

                didSelectShippingContact:(PKContact *)contact

                              completion:(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PKPaymentAuthorizationStatus

  completion(PKPaymentAuthorizationStatusSuccess, shippingMethods, summaryItems);

}</pkpaymentsummaryitem *></pkshippingmethod *>

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-(void)paymentAuthorizationViewController:(PKPaymentAuthorizationViewController *)controller

                 didSelectShippingMethod:(PKShippingMethod *)shippingMethod

                              completion:(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);

}</pkpaymentsummaryitem *>

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-(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);

}</pkpaymentsummaryitem *>

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-(void)paymentAuthorizationViewController:(PKPaymentAuthorizationViewController *)controller didSelectShippingAddress:(ABRecordRef)address completion:(void (^)(PKPaymentAuthorizationStatus, NSArray<pkshippingmethod *> * _Nonnull, NSArray<pkpaymentsummaryitem *> * _Nonnull))completion{

  //送货地址回调，已弃用

}</pkpaymentsummaryitem *></pkshippingmethod *>

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-(void)paymentAuthorizationViewController:(PKPaymentAuthorizationViewController *)controller

                     didAuthorizePayment:(PKPayment *)payment

                              completion:(void (^)(PKPaymentAuthorizationStatus status))completion {

  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

  //等待服务器返回结果后再进行系统block调用

  dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(3 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{

      //模拟服务器通信

      completion(PKPaymentAuthorizationStatusSuccess);

  });

}

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-(void)paymentAuthorizationViewControllerDidFinish:(PKPaymentAuthorizationViewController *)controller{

  [controller dismissViewControllerAnimated:YES completion:nil];

}