ApplePay支付功能出來已經很久了，看著API自己學習了一下，今天想起來總結一下，也算是在學習一下，所以寫了這篇筆記，

applePay是在iphone 6以上設備才支持這個支付功能的，這一點一定要清楚，
我是簡單的實現了一下功能做演示功能其他的就不說了，直接上代碼，加注釋

- (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event {//判斷設備是否支持applePay功能if (![PKPaymentAuthorizationViewController canMakePayments]) {//設備不支持//不讓applePay的支付按鈕顯示NSLog(@"設備不支持");return;}//判斷是否支持Visa和銀聯if (![PKPaymentAuthorizationViewController canMakePaymentsUsingNetworks:@[PKPaymentNetworkChinaUnionPay,PKPaymentNetworkVisa]]) {NSLog(@"支持visa和銀聯");//進入銀行卡的選擇[[[PKPassLibrary alloc]init]openPaymentSetup];return;}//創建支付請求PKPaymentRequest *requ = [[PKPaymentRequest alloc]init];//設置商戶ID。這個ID就是和支付寶的商戶ID意思一樣requ.merchantIdentifier = @"merchant.www.Kensence.com.ApplePay";//設置國家代碼requ.countryCode = @"CN"; //表示中國//設置支持卡requ.supportedNetworks = @[PKPaymentNetworkChinaUnionPay,PKPaymentNetworkVisa];//商戶的支付標準requ.merchantCapabilities = PKMerchantCapability3DS;//設置貨幣單位requ.currencyCode = @"CNY";//設置商品NSDecimalNumber *number = [NSDecimalNumber decimalNumberWithString:@"4"];PKPaymentSummaryItem *item = [PKPaymentSummaryItem summaryItemWithLabel:@"毛巾" amount:number];//多種商品最后一個item是商品的總價，這個一定要搞清楚，最后一個應該傳商品的總價，requ.paymentSummaryItems = @[item];//設置收據必填內容requ.requiredBillingAddressFields = PKAddressFieldAll;//設置送貨地址requ.requiredShippingAddressFields = PKAddressFieldAll;//設置送貨方式PKShippingMethod *meth = [PKShippingMethod summaryItemWithLabel:@"順風" amount:[NSDecimalNumber decimalNumberWithString:@"8"]];meth.identifier = @"shunfeng";meth.detail = @"24小時之內到達";requ.shippingMethods = @[meth];//顯示支付界面PKPaymentAuthorizationViewController *payVC = [[PKPaymentAuthorizationViewController alloc]initWithPaymentRequest:requ];payVC.delegate = self;[self presentViewController:payVC animated:YES completion:nil];}//使用密碼支付 - (void)paymentAuthorizationViewController:(PKPaymentAuthorizationViewController *)controllerdidAuthorizePayment:(PKPayment *)paymentcompletion:(void (^)(PKPaymentAuthorizationStatus status))completion{//把支付信息發送給服務器處理//支付結果，顯示不同的顯示（調用block，穿不同的枚舉）completion(PKPaymentAuthorizationStatusSuccess);}- (void)paymentAuthorizationViewControllerDidFinish:(PKPaymentAuthorizationViewController *)controller {//把支付的界面關閉[self dismissViewControllerAnimated:YES completion:nil];}

總結

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