银行卡信息请求

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Secure context
This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.

这是一个实验中的功能
此功能某些浏览器尚在开发中,请参考浏览器兼容性表格以得到在不同浏览器中适合使用的前缀。由于该功能对应的标准文档可能被重新修订,所以在未来版本的浏览器中该功能的语法和行为可能随之改变。

The BasicCardRequest dictionary is a JavaScript object-structure that can be used in the Payment Request API. The properties of BasicCardRequest are defined in the Basic Card Payment spec).

Properties

BasicCardRequest.supportedNetworks Secure context
An optional array of DOMStrings representing the card networks that the retailer supports (e.g. "amex", "mastercard"). If the property is missing, it implies that all networks are supported.
BasicCardRequest.supportedTypes Secure context
An optinal array of DOMStrings representing the card types that the retailer supports (e.g. credit, debit, prepaid). If the property is missing, it implies that all the card types are supported.

Examples

In the following example, the PaymentRequest() constructor is used to create a new payment request, which takes three objects as parameters — one containing details of the payment methods that can be used for the payment, one containing details of the actual order (such as items bought and shipping options), and an optional object that describes what data is needed to fullfil the payment (e.g., a shipping address).

The first of these three (supportedInstruments in the example below) contains a data property that has to conform to the structure defined by the BasicCardRequest dictionary. 

var supportedInstruments = [{
  supportedMethods: 'basic-card',
  data: {
    supportedNetworks: ['visa', 'mastercard', 'amex', 'jcb',
                        'diners', 'discover', 'mir', 'unionpay'],
    supportedTypes: ['credit', 'debit']
  }
}];

var details = {
  total: {label: 'Donation', amount: {currency: 'USD', value: '65.00'}},
  displayItems: [
    {
      label: 'Original donation amount',
      amount: {currency: 'USD', value: '65.00'}
    }
  ],
  shippingOptions: [
    {
      id: 'standard',
      label: 'Standard shipping',
      amount: {currency: 'USD', value: '0.00'},
      selected: true
    }
  ]
};

var options = {requestShipping: true};

try {
  var request = new PaymentRequest(supportedInstruments, details, options);
  // Add event listeners here.
  // Call show() to trigger the browser's payment flow.
  request.show().then(function(instrumentResponse) {
    // Do something with the response from the UI.
  })
  .catch(function(err) {
    // Do something with the error from request.show().
  });
} catch (e) {
  // Catch any other errors.
}

Once the payment flow has been triggered using PaymentRequest.show() and the promise resolves successfully, the PaymentResponse object available inside the fulfilled promise (instrumentResponse above) will have a PaymentResponse.details property that will contain response details. This has to conform to the structure defined by the BasicCardResponse dictionary, and may look something like this:

{
  "cardNumber' : '9999999999999999",
  "cardholderName' : 'Mr Dick Straw",
  "cardSecurityCode" : "999",
  "expiryMonth" : "07",
  "expiryYear" : "2021",
  "billingAddress" : {
    "country" : "GB",
    // etc. billing address is a PaymentAddress object
  }
}

Specifications

Specification Status Comment
Basic Card Payment
BasicCardRequest
Working Draft Initial definition.

Browser compatibility

FeatureChromeEdgeFirefoxInternet ExplorerOperaSafari
Basic support No Yes561 No No ?
supportedNetworks No Yes561 No No ?
supportedTypes No Yes561 No No ?
FeatureAndroid webviewChrome for AndroidEdge mobileFirefox for AndroidOpera AndroidiOS SafariSamsung Internet
Basic support No57 Yes561 No ?7.0
supportedNetworks No57 Yes561 No ?7.0
supportedTypes No57 Yes561 No ?7.0

1. From version 56: this feature is behind the dom.payments.request.enabled preference (needs to be set to true). To change preferences in Firefox, visit about:config.

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