信用卡绑定（BrainTree）

//BrainTree ios

https://developers.braintreepayments.com/start/hello-client/ios/v4

/**
 *  获取 payment-method-once 参数
 */
-( void )getPaymentMethodOnceWithClientToken:( NSString *)ClientToken{
    // or fetch a client token
    BTAPIClient *braintreeClient = [[ BTAPIClient alloc ] initWithAuthorization :ClientToken];
    BTCardClient *cardClient = [[ BTCardClient alloc ] initWithAPIClient :braintreeClient];
    BTCard *card = [[ BTCard alloc ] initWithNumber : self . creditNumField . text
                                  expirationMonth : self . monthField . text
                                   expirationYear : self . yearField . text
                                              cvv : self . cvvField . text ];
    [cardClient tokenizeCard :card
                  completion :^( BTCardNonce *tokenizedCard, NSError *error) {
                      // Communicate the tokenizedCard.nonce to your server, or handle error
                     
                      self . paymentMethodOnce = tokenizedCard. nonce ;
                      NSLog ( @"self.paymentMethodOnce====%@" , self . paymentMethodOnce );
                      if ( self . paymentMethodOnce . length > 0 ) {
                          // 执行绑定方法
                          [ self requestBindCreditCardWithPaymentMethodnonce : self . paymentMethodOnce ];
                      } else {
                          [[ Loading shareLoading ] stopLoading ];
                      }
                  }];

}

//测试用信用卡号码

https://developers.braintreepayments.com/reference/general/testing/ruby