我有一个带有选择列表框的表格。它显示了当用户选择其他选项时将会改变的总数:

<form action="https://www.paypal.com/cgi-bin/webscr" method="post" name="paypal">
                                               <input type="hidden" name="cmd" value="_cart">
                                               <input type="hidden" name="upload" value="1">
                                               <input type="hidden" name="currency_code" value="GBP">
                                               <input type="hidden" name="business" value="contact@contact.org">
                                            <select name="handling_cart" onChange="refresh();" style="margin-bottom: 5px;">
                                            <option selected value="10.00">UK £10.00</option>
                                            <option value="30.00">France £30.00</option>
                                            <option value="35.00">Germany £35.00</option>
                                            </select>
                                            </td>
                                        </tr>
                                        <tr>
                                        <td>Grand Total:</td>
                                        <td>£
                                        <script lanuage="JavaScript">


                                        var delivery = document.paypal.handling_cart.value;

                                        var total = parseInt(jtotal)+parseInt(delivery);
                                        document.write(total);
                                        </script></td>
                                        </tr>


我没有函数refresh(),但是我猜我需要一个函数吗?

TIA

最佳答案

好的,为您创建了refresh()。工作演示在这里http://jsfiddle.net/hwwDj/3/

<form action="https://www.paypal.com/cgi-bin/webscr" method="post" name="paypal">
                                               <input type="hidden" name="cmd" value="_cart">
                                               <input type="hidden" name="upload" value="1">
                                               <input type="hidden" name="currency_code" value="GBP">
                                               <input type="hidden" name="business" value="contact@contact.org">
                                            <select name="handling_cart" onChange="refresh();" style="margin-bottom: 5px;">
                                            <option selected value="10.00">UK £10.00</option>
                                            <option value="30.00">France £30.00</option>
                                            <option value="35.00">Germany £35.00</option>
                                            </select>
                                            </td>
                                        </tr>
                                        <tr>
                                        <td>Grand Total:</td>
                                            <td><div id="etd">£</div></td>
                                            </tr>
                                        <script lanuage="javascript">
var jtotal=10;

                                        var delivery = document.paypal.handling_cart.value;
                                            function refresh()
                                            {
                                                  delivery = document.paypal.handling_cart.value;
                                        var total = parseInt(jtotal)+parseInt(delivery);
   document.getElementById("etd").innerHTML="£ "+total;
                                            }


                                            //document.write(total);
                                        </script>

10-05 20:42
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