集成paypal支付

https://developer.paypal.com

cocoapods 管理 引入 

pod 'PayPal-iOS-SDK'

1.在appdelegate 

#import <PayPalMobile.h>

//#define PAYPAL_SANDBOX  @"AcQxuBDdBh3jNaYTnB79coxVr3wihIQVkJzI1stUX4V2yJByccNTgKNu1zeO"

#define PAYPAL_PRODUCTION @"AZF********"

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {

    [PayPalMobile initializeWithClientIdsForEnvironments:@{PayPalEnvironmentSandbox:PAYPAL_SANDBOX}];
    
//    [PayPalMobile initializeWithClientIdsForEnvironments:@{PayPalEnvironmentProduction : PAYPAL_PRODUCTION}];

}

2.支付页面

#import <PayPalMobile.h>

遵循 <PayPalPaymentDelegate>//Paypal支付

@property(nonatomic, strong, readwrite) PayPalConfiguration *payPalConfig;

 

- (void)viewWillAppear:(BOOL)animated {
    
    [super viewWillAppear:animated];
    [PayPalMobile preconnectWithEnvironment:PayPalEnvironmentProduction];
}
#pragma mark - PaypalSDK支付
- (void)onClickPayPalButtonAction:(UIButton *)sender
{
    _payPalConfig = [[PayPalConfiguration alloc] init];
    _payPalConfig.acceptCreditCards = NO;
    _payPalConfig.languageOrLocale = [NSLocale preferredLanguages][0];
    
    NSString *priceString = [NSString stringWithFormat:@"%f",_totalPrice];
    NSDecimalNumber *total = [NSDecimalNumber decimalNumberWithString:priceString];
    
    PayPalPayment *payment = [[PayPalPayment alloc] init];
    payment.amount = total;
    payment.currencyCode = @"HKD";
    payment.shortDescription = @"#####订单描述";
    payment.custom = @"123456789";//self.order.order_no;
    
    PayPalPaymentViewController *paymentViewController = [[PayPalPaymentViewController alloc]initWithPayment:payment configuration:self.payPalConfig delegate:self];
    [self presentViewController:paymentViewController animated:YES completion:nil];
}


#pragma mark PayPalPaymentDelegate methods

- (void)payPalPaymentViewController:(PayPalPaymentViewController *)paymentViewController didCompletePayment:(PayPalPayment *)completedPayment {
    NSLog(@"PayPal Payment Success!");
    
//    [[NSNotificationCenter defaultCenter]postNotificationName:kNoticePaidSuccess object:@"paypal"userInfo:nil];
    
    [self dismissViewControllerAnimated:YES completion:nil];
}

- (void)payPalPaymentDidCancel:(PayPalPaymentViewController *)paymentViewController {
    NSLog(@"PayPal Payment Canceled");
    
    [self dismissViewControllerAnimated:YES completion:nil];
    
    UIAlertView *alert = [[UIAlertView alloc]initWithTitle:NSLocalizedString(@"支付结果", nil) message:NSLocalizedString(@"支付失败！请重新支付", nil) delegate:nil cancelButtonTitle:NSLocalizedString(@"确定", nil) otherButtonTitles:nil];
    [alert show];
    
    
}

附录 网站步奏 https://developer.paypal.com/docs/api/quickstart/credentials/?mark=client%20id

Create an app to get credentials

Create an app to get credentials and use these credentials to authenticate when you make REST API requests.

1. Go to My Apps & Credentials. Click Log In.

2. In the REST API apps section, click Create App.

3. On the Create New App page, enter an app name, select your sandbox developer account, and click Create App.

4. The Sandbox tab shows your client ID. Click Show to show your secret. Note your client ID and secret. You'll need these values later.

Stay logged in for the next step.

Next

Create a test account