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我有一个在线支付表格，我的客户可以使用它通过托管支付门户向我付款。如果客户使用借记卡付款，则不会产生额外费用。但是，如果客户通过信用卡付款，则需额外支付 2.5% 的管理费。我创建了一个遵循相同结构的基本表单，并使用弹出窗口来显示它们持有正确的值。我遇到的问题是，当我尝试将该值传递给支付门户时，我得到了一个“故障 8”代码。我试图与支付解决方案的提供商解决问题，但他们的帮助不大，我不热衷于升级到他们的“高级计划”和另外 12 个月的麻烦。

基本形式是：

<HTML> <HEAD> <TITLE>Test Input</TITLE>

<SCRIPT LANGUAGE="JavaScript">

function cardHandlingFee (form) {   var Notes = form.Notes.value;   var amountPaid = form.amountPaid.value;     var clientname = form.clientname.value;     var CustomerEmail = form.CustomerEmail.value;   var percent = 0.025;    var CreditCardCharge;   var totalCharge;

if ( Notes == "Debit Card" )    {       TransactionAmount = amountPaid;         alert ("You typed: " + TransactionAmount);  }   else    {       CreditCardCharge = amountPaid * percent;                totalCharge = parseFloat(amountPaid) + parseFloat(CreditCardCharge);        TransactionAmount = totalCharge.toFixed(2);         alert ("You typed: " + TransactionAmount);  } }

</SCRIPT> </HEAD> <BODY>

<form id="contactform" action="https://(PAYMENT-SOLUTION DETAILS)" method="POST" name="confirm">Enter something in the box: <BR> <p class="padding:2px"> <select id="CardType" name="Notes" required> <option value="Credit Card">Credit Card</option> <option value="Debit Card">Debit Card</option> </select></p>

<p class="padding:2px"><input id="amountPaid" type="number" name="amountPaid" min="0" max="9999" step="0.01" size="4" /> <script type='text/javascript'>
      quote = 'This is the quote of the day!';
      document.contactForm.TransactionAmount.value = TransactionAmount;
      alert(document.contactForm.TransactionAmount.value);
    </script>


<p class="padding:2px">Clients full name*<br /><input type="text" name="clientname" value="" /></p>

<p class="padding:2px">Your email address*<br /><input type="email" name="CustomerEmail" value="" /></p>

<input type="submit" onClick="cardHandlingFee(this.form);" value="Submit Card" />

<input type="hidden" name="CustomerID" value="(CLIENT CUS ID)" /> <input type="hidden" id="TransactionAmount" name="TransactionAmount" /> <input type="hidden" name="TransactionCurrency" value="826" /> <input type="hidden" name="RedirectorSuccess" value="http://(CLIENT SITE)/success" /> <input type="hidden" name="RedirectorFailed" value="http://(CLIENT SITE/failed" /> </FORM>

</BODY> </HTML>

对于用这种方法或其他方法解决问题的任何帮助，我将不胜感激。这是在我的 WordPress 网站中。我尝试过 Jquery、Jscript、.innerHTML，但我现在很难过。

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1 回答 1

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据我所知，你快到了。您只需在if(){...} else{...}结构之后立即添加以下行：

form.TransactionAmount.value = TransactionAmount;

另一件事，如form.Notes选择菜单，form.Notes.value仅适用于某些浏览器。您应该进行以下更改。

//var Notes = form.Notes.value;
var Notes = form.Notes[form.Notes.selectedIndex].value;
于 2012-12-11T05:58:31.980 回答