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我有一个客户卖T恤。她希望潜在买家能够选择每种尺寸和颜色以及数量选项。将PayPal集成到HTML页面
我发现了一些符合订单总数的代码，但没有数量选项。
我附上了下面的代码。任何人都可以在正确的方向上引导我如何处理这个问题？我对PayPal定制相当陌生，但我是一名网页设计师，所以我不是初学者。我还附上了她通过电子邮件发送的客户表单屏幕截图，以显示她想要的样子。
任何帮助将不胜感激。谢谢。
alt text http://www.inauguraldayt-shirts.com/shirt.jpg
<!-- Start of Script -->
<SCRIPT type=text/javascript>
<!--
function Dollar (val) { // force to valid dollar amount
var str,pos,rnd=0;
if (val < .995) rnd = 1; // for old Netscape browsers
str = escape (val*1.0 + 0.005001 + rnd); // float, round, escape
pos = str.indexOf (".");
if (pos > 0) str = str.substring (rnd, pos + 3);
return str;
}function ReadForm (obj1, tst) { // process radio and checkbox
var i,j,amt=0,des="",obj,pos,val,tok,tag,
op1a="",op1b="",op2a="",op2b="",itmn="";
var ary = new Array();
if (obj1.baseamt) amt = obj1.baseamt.value*1.0; // base amount
if (obj1.basedes) des = obj1.basedes.value; // base description
if (obj1.baseon0) op1a = obj1.baseon0.value; // base options
if (obj1.baseos0) op1b = obj1.baseos0.value;
if (obj1.baseon1) op2a = obj1.baseon1.value;
if (obj1.baseos1) op2b = obj1.baseos1.value;
if (obj1.baseitn) itmn = obj1.baseitn.value;
for (i=0; i<obj1.length; i++) { // run entire form
obj = obj1.elements[i]; // a form element
if (obj.type == "checkbox" || // checkboxes
obj.type == "radio") { // and radios
if (obj.checked) { // did user check it?
val = obj.value; // the value of the selection
ary = val.split (" "); // break apart
for (j=0; j<ary.length; j++) { // look at all items
// first we do single character tokens...
if (ary[j].length < 2) continue;
tok = ary[j].substring (0,1); // first character
val = ary[j].substring (1); // get data
if (tok == "@") amt = val * 1.0;
if (tok == "+") amt = amt + val*1.0;
if (tok == "%") amt = amt + (amt * val/100.0);
if (tok == "#") { // record item number
if (obj1.item_number) obj1.item_number.value = val;
ary[j] = ""; // zap this array element
}
// Now we do 3-character tokens...
if (ary[j].length < 4) continue;
tok = ary[j].substring (0,3); // first 3 chars
val = ary[j].substring (3); // get data
if (tok == "s1=") { // value for shipping
if (obj1.shipping) obj1.shipping.value = val;
ary[j] = ""; // clear it out
}
if (tok == "s2=") { // value for shipping2
if (obj1.shipping2) obj1.shipping2.value = val;
ary[j] = ""; // clear it out
}
}
val = ary.join (" "); // rebuild val with what's left tag = obj.name.substring (obj.name.length-2); // get flag
if (tag == "1a") op1a = op1a + " " + val;
else if (tag == "1b") op1b = op1b + " " + val;
else if (tag == "2a") op2a = op2a + " " + val;
else if (tag == "2b") op2b = op2b + " " + val;
else if (tag == "3i") itmn = itmn + " " + val;
else if (des.length == 0) des = val;
else des = des + ", " + val;
}
}
}
// Now summarize stuff we just processed, above
if (op1a.length > 0) obj1.on0.value = op1a;
if (op1b.length > 0) obj1.os0.value = op1b;
if (op2a.length > 0) obj1.on1.value = op2a;
if (op2b.length > 0) obj1.os1.value = op2b;
if (itmn.length > 0) obj1.item_number.value = itmn;
obj1.item_name.value = des;
obj1.amount.value = Dollar (amt);
if (obj1.tot) obj1.tot.value = "$" + Dollar (amt);
}
//-->
</SCRIPT>
<!-- End of Script -->
<div id="button">
<!-- Another method for the View Cart Form - add this code anywhere within the web page -->
<!-- This is the FORM to view the cart contents -->
<!-- Note: target="paypal" was replaced with the variable target="_self" -->
<!-- Note: shopping_url also added to code -->
<!-- These two changes allow better functionality with IE and Firefox -->
<form target="_self" action="https://www.paypal.com/cgi-bin/webscr" method="post" id="viewcart" name="viewcart">
<p>
<input type="hidden" name="cmd" value="_cart">
<input type="hidden" name="display" value="1">
<input type="hidden" name="business" value="[email protected]">
<input type="hidden" name="shopping_url" value="http://www.yourwebsite.com/your_page.html">
</p>
</form>
<!-- End of the viewcart FORM -->
<!-- Start of Form -->
<!-- Note: target="paypal" was replaced with the variable target="_self" -->
<!-- Note: shopping_url also added to code -->
<!-- These two changes allow better functionality with IE and Firefox -->
<FORM onsubmit="this.target='_self'; return ReadForm(this, true);" action=https://www.paypal.com/cgi-bin/webscr method=post>
<input type="hidden" name="cmd" value="_cart">
<input type="hidden" name="add" value="1">
<input type="hidden" name="business" value="[email protected]">
<input type="hidden" name="item_name" value="">
<input type="hidden" name="amount" value="">
<input type="hidden" name="currency_code" value="USD">
<input type="hidden" name="lc" value="US">
<input type="hidden" name="bn" value="PP-ShopCartBF">
<input type="hidden" name="shopping_url" value="http://www.yourwebsite.com/your_page.html">
<input type="hidden" name="cancel_return" value="http://www.yourwebsite.com/Cancel.html">
<input type="hidden" name="return" value="http://www.yourwebsite.com/Success.html">
<input type="hidden" value="0.00" name="baseamt">
<input type="hidden" value="Inaugural Day T-Shirt - @17.99" name="basedes">
Inaugural Day T-Shirt - $17.99
<br><br>
Colors
<br><br>
<input onclick="ReadForm (this.form, false);" type=checkbox value="White +17.99"> White - $17.99
Select Quantity:
<select name="quantity">
<option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
<option value="4">4</option>
<option value="5">5</option>
</select>
<br>
<input onclick="ReadForm (this.form, false);" type=checkbox value="Blue +17.99"> Blue - $17.99
<br>
<input onclick="ReadForm (this.form, false);" type=checkbox value="Black +17.99"> Black - $17.99
<br><br><br>
Sizes
<br><br>
<input onclick="ReadForm (this.form, false);" type=checkbox value="Small +17.99"> Small - $17.99
<br>
<input onclick="ReadForm (this.form, false);" type=checkbox value="Medium +17.99"> Medium - $17.99
<br>
<input onclick="ReadForm (this.form, false);" type=checkbox value="Large +17.99"> Large - $17.99
<br>
<input onclick="ReadForm (this.form, false);" type=checkbox value="XL +19.99"> XL - $19.99
<br>
<input onclick="ReadForm (this.form, false);" type=checkbox value="XXL +19.99"> XXL - $19.99
<br>
<input onclick="ReadForm (this.form, false);" type=checkbox value="XXXL +19.99"> XXXL - $19.99
<br><br><br>
<input onclick="this.form.reset();" type=button value="Reset Form"> Item Total >
<input class=nbor size=6 value=$0.00 name=tot>
<br><br>
<input type=image alt="cart add" src="https://www.paypal.com/en_US/i/btn/btn_cart_LG.gif" name=submit>
<br><br>
<input onclick="document.forms.viewcart.target = '_self'; document.forms.viewcart.submit(); return false;" type=image alt="cart view" src="https://www.paypal.com/en_US/i/btn/btn_viewcart_LG.gif"">
</FORM>
<!-- End of Form -->