我正在iPhone上测试以下内容。如果我没有为discount_amount设置值并点击Buy按钮，我会转到Paypal mobile checkout但是当我为discount_amount添加值时，我会进入标准网络结帐。有谁知道为什么以及如何解决这个问题？
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="viewport" content="width=device-width; initial-scale=1.0; maximum-scale=1.0; user-scalable=0;"/>
<title></title>
</head>
<body>
<form action="https://www.paypal.com/cgi-bin/webscr" method="post" id="form1" class="panel">
<input type="hidden" name="cmd" value="_xclick">
<input type="hidden" name="business" value="paypal@mysite.com">
<input type="hidden" name="currency_code" value="GBP">
<input type="hidden" name="notify_url" value="http://www.mysite.com/paypal_ipn">
<input type="hidden" name="return" value="http://www.mysite.com/success">
<input type="hidden" name="cancel_return" value="http://www.mysite.com/">
<input type="hidden" name="custom" value="1708|288|18|app">
<input type="hidden" name="item_name" value="Sticker">
<input type="hidden" name="item_number" value="STICKER">
<input type="hidden" name="option_index" value="0">
<input type="hidden" name="shipping" id="mc_shipping" value="0">
<input type="hidden" name="discount_amount" id="discount_amount" value="2">
<fieldset>
<label>Sticker Size:</label>
<input id='on0' type='hidden' name='on0' value='Size'>
<select name='os0' id='print_item'>
<option value='42cm'>42cm - £27.99</option>
</select>
<input type="hidden" id="option_tube0" value="small" />
<input type="hidden" id="option_select0" name="option_select0" value="42cm" />
<input type="hidden" item-price="27.99" id="option_amount0" name="option_amount0" value="27.99" />
<br />
<label>Quantity: </label>
<select name="quantity" id="quantity">
<option value="1">1</option>
</select>
</fieldset>
<input type="image" src="https://www.paypalobjects.com/en_US/GB/i/btn/btn_buynowCC_LG.gif" border="0" name="submit" alt="" id="buy_now">
</form>
</div>
</body>
</html>
答案 0 :(得分：3)
并非Mobile流支持所有可以使用的变量。当您传递不受支持的变量时，您将被定向到常规Web流。以下是移动流程不支持的一些自定义设置。