【发布时间】：2023-03-11 13:08:01
【问题描述】：
我正在尝试使用 Paypal 创建一个购买按钮，该按钮具有基本价格和多个增加价格的下拉菜单。出于某种原因，它只是从一个下拉列表中添加价格，而不是全部三个。任何帮助将不胜感激。
HTML 代码：
<form action="https://www.sandbox.paypal.com/cgi-bin/webscr" method="post" target="_top">
<input type="hidden" name="cmd" value="_xclick">
<input type="hidden" name="business" value="XXXXX">
<input type="hidden" name="lc" value="US">
<input type="hidden" name="item_name" value="test">
<input type="hidden" name="button_subtype" value="services">
<input type="hidden" name="no_note" value="0">
<input type="hidden" name="currency_code" value="USD">
Base Price:<div id="base_price" value="18.00">18.00</div>
<input id="final_amount" name="amount" type="hidden" value="18">
<input type="hidden" name="weight_unit" value="lbs">
<input type="hidden" name="bn" value="PP-BuyNowBF:btn_buynowCC_LG.gif:NonHosted"><br>
<table>
<tr><td><input type="hidden" name="on1" value="VG/PG Ratio">VG/PG Ratio</td></tr><tr><td><select name="os3">1
<option value="70/30">70/30 </option>
<option value="80/20">80/20 </option>
<option value="90/10">90/10 </option>
</select> </td></tr>
</table>
<table>
<tr><td><input type="hidden" name="on2" value="Nicotine">Nicotine</td></tr><tr><td><select name="os4">
<option value="0 mg">0 mg </option>
<option value="3 mg">3 mg </option>
<option value="6 mg">6 mg </option>
<option value="9 mg">9 mg </option>
<option value="12 mg">12 mg </option>
</select> </td></tr>
</table>
Caffiene
<table>
<tr><td>
<select name="os0">
<option class="optionVal" value="0.00">Add Caffeine</option>
<option class="optionVal" value="3.00">Add Caffeine $3.00 USD</option>
</select>
</td></tr>
</table>
Extra Flavor
<table>
<tr><td>
<select name="os1">
<option class="optionVal" value="0.00">Add Extra Flavor</option>
<option class="optionVal" value="1.00">Flavor Shot $1.00 USD</option>
<option class="optionVal" value="3.00">Double the Flavor $2.00 USD</option>
</select>
</td></tr>
</table>
Milk Undertone
<table>
<tr><td>
<select name="os2">
<option class="optionVal" value="0.00">Add Milk Undertone</option>
<option class="optionVal" value="1.00">Dairy Milk $1.00 USD</option>
<option class="optionVal" value="1.00">Sweet Cream $1.00 USD</option>
<option class="optionVal" value="1.00">Cheesecake $1.00 USD</option>
</select>
</td></tr>
</table>
<input type="image" src="https://www.sandbox.paypal.com/en_US/i/btn/btn_buynowCC_LG.gif" border="0" name="submit"
alt="PayPal - The safer, easier way to pay online!">
<img alt="" border="0" src="https://www.sandbox.paypal.com/en_US/i/scr/pixel.gif" width="1" height="1">
</form>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.6/jquery.min.js"></script>
<script>
$(document).ready(function(){
var base_price = $('#base_price').text();
$('select').change(function(){
var amt = $(this).val();
final_amt = parseInt(amt)+parseInt(base_price);
$('#final_amount').val(final_amt);
});
});
</script>
【问题讨论】：