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スマホ カメラでクレジットカード読み込み│加藤電業社  色々と検証サイトですよ。

スマホ カメラでクレジットカード読み込み

スマートフォンでアクセスした決済画面でクレジットカード読み込みがしたい場合がある。
そのときのHMTLタグサンプル。

まずはコード

 

<!DOCTYPE html>
<html lang="ja" >
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1.0,maximum-scale=2.0">
<head>
  <meta charset="UTF-8">
  <title>クレジットカード読み込みテスト</title>
</head>
<body>
  <form method="post">
    カード名義:<input type="text" name="ppw-accountHolderName"  autocomplete="cc-name"><br>
    クレジットカード番号:<input type="text" name="addCreditCardNumber" autocomplete="cc-number"><br>
    有効年:<input type="text" autocomplete="cc-exp-year"><br>
    有効月:<input type="text" autocomplete="cc-exp-month"><br>
</form>
</body>
</html>

 

前提条件

1.SSL で証明書が入っている必要。
2.スマホのブラウザ バージョン、カメラ性能に依存。

After a bit of research with an iOS8 browser and Chrome emulation I figured it out partially. I know of some solutions, but I don’t know for sure if there are other ways to do it. You’ll have to thank Apple for the amazing lack of documentation around this.

Currently Netflix/Amazon have credit card scanning working properly. So I emulated an iOS8 user agent in my Chrome browser and inspected the markup of their credit card number field. Here’s Netflix’s:

<input name="cardNumber" smopname="num" id="cardNumber-CC" class="cardNumber" type="text" value="************0891" pattern="[0-9]*">

And here’s Amazon’s:

<input name="addCreditCardNumber" size="20" maxlength="20">

At that point I played around with a form served over HTTPS that I had control over and started setting attributes to see what would happen. Below, “works” means “successfully triggered card scan” and “doesn’t work” means “did not trigger card scan”:

  • name="addCreditCardNumber" => works
  • name="cardNumber" => works
  • name="cardnumber" => works
  • class="cardNumber" => does not work
  • type="cardNumber" => does not work
  • id="cardNumber"id="creditCardNumber"id="creditCardMonth"id="creditCardYear" => works

Since the name attribute drives form data and might impact the way server-side form processing works I highly recommend triggering credit card scan by setting your input id to cardNumber.

I would link to the relevant documentation…but hey! There’s none (at least, not that I know of)

@See
https://stackoverflow.com/questions/25163891/when-is-the-scan-credit-card-option-available-on-ios8-safari

ちなみに2018年8月2日現在、アマゾンでは

<input type="text" 
 maxlength="50" 
 id="pp-T9-30" 
 autocomplete="off" 
 placeholder="カード名義人(半角ローマ字)" 
 name="ppw-accountHolderName">
<input 
type="text" 
maxlength="50" 
id="pp-T9-30" 
autocomplete="off" 
placeholder="カード名義人(半角ローマ字)" 
name="ppw-accountHolderName">

<span class="a-button-text a-declarative" 
data-action="a-dropdown-button" 
role="button" tabindex="0" 
aria-hidden="true">
<span class="a-dropdown-prompt">01</span></span>
<span class="a-button-text a-declarative" data-action="a-dropdown-button" role="button" tabindex="0" aria-hidden="true"><span class="a-dropdown-prompt">2018</span></span>

などなど…

参考資料:
When is the Scan Credit Card option available on iOS8 Safari?
https://www.codeseek.co/darkz/a-pen-by-chalga-RxmgMX

 

 

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