Paypal快速结账的优惠券代码

时间:2011-02-27 15:49:20

标签: paypal express-checkout

我在我的网站上使用Paypal Express Checkout系统。但我想放一张优惠券(折扣)代码区。如果代码为真,它将减少。 (像GoDaddy.com的推车系统一样)

您有什么想法,我应该从哪里开始?

(我没有使用任何电子商务框架)

3 个答案:

答案 0 :(得分:9)

我知道这是一个老线程,但是想把这些我的经验放在其他人那里寻找相同的东西,也许这不适用于现在,但现在确实适用,至少在沙箱意味着我没有测试过这个真正的交易

添加您发送给PayPal的商品时,您基本上会发送此

L_PAYMENTREQUEST_0_QTY0 = 1

L_PAYMENTREQUEST_0_AMT0 = 1.00

L_PAYMENTREQUEST_0_NAME0 =我的项目0名称

L_PAYMENTREQUEST_0_NUMBER0 = myitem0id

然后我们添加另一个项目

L_PAYMENTREQUEST_0_QTY1 = 1

L_PAYMENTREQUEST_0_AMT1 = 1.00

L_PAYMENTREQUEST_0_NAME1 =我的第1项名称

L_PAYMENTREQUEST_0_NUMBER1 = myitem1id

现在我们添加优惠券

L_PAYMENTREQUEST_0_QTY2 = 1

L_PAYMENTREQUEST_0_AMT2 = -0.50

L_PAYMENTREQUEST_0_NAME2 =我的优惠券名称

L_PAYMENTREQUEST_0_NUMBER2 = mycouponcode

然后我们添加小计和总值

PAYMENTREQUEST_0_AMT = 1.50

AMT = 1.50

我认为paypal所做的是广告所有项目总计,所以它会为这个订单做点像

1.00 + 1.00-0.50 = 1.50

然后将其与总金额进行比较

如果匹配那么它就是一个去,客户认为这是一个额外的项目,但显然有减号,这张图片来自paypal沙盒快递结账交易

Paypal express checkout transaction with coupon code

答案 1 :(得分:4)

一种方法是在您的网站上安装购物车,用户可以在其中输入促销代码。一旦他们输入了促销代码,并准备好开始结账流程,这就是您将它们重定向到Express Checkout(您向Paypal发送订单的最终金额等)。

根据Paypal论坛上的这篇文章,他们没有将折扣详情传递给结账流程的功能:https://www.x.com/thread/39681(“快速结账需要在您的网站上完成所有折扣计算。” )

如何在向paypal发送价格之前计算
1)为您的页面添加促销代码的单独表格:

<form method="GET">
    <input type="text" name="promocode"> 
    <input type="submit" value="Add Promo">
</form>

2)在服务器端,检查代码,使用新价格相应地更新页面(例如,使用新价格重新构建选择菜单)。 PHP示例:

<?
if(isset($_GET('promocode')) {
    $prices = processPromo($_GET('promocode'));
}
else {
    $prices = array(2000, 4000, 6000);
}
?>

如果您无法访问服务器,我必须使用JavaScript进行此操作(即将您的促销代码和价格硬编码到页面中)

在服务器端启动快速结帐
下载PHP NVP SDK&amp; Paypal网站上的例子:
https://cms.paypal.com/us/cgi-bin/?cmd=_render-content&content_ID=developer/library_download_sdks

<?php
require_once 'CallerService.php';

session_start();


ini_set('session.bug_compat_42',0);
ini_set('session.bug_compat_warn',0);

/* Gather the information to make the final call to
   finalize the PayPal payment.  The variable nvpstr
   holds the name value pairs
   */
$token =urlencode( $_SESSION['token']);
$paymentAmount =urlencode ($_SESSION['TotalAmount']);
$paymentType = urlencode($_SESSION['paymentType']);
$currCodeType = urlencode($_SESSION['currCodeType']);
$payerID = urlencode($_SESSION['payer_id']);
$serverName = urlencode($_SERVER['SERVER_NAME']);

$nvpstr='&TOKEN='.$token.'&PAYERID='.$payerID.'&PAYMENTACTION='.$paymentType.'&AMT='.$paymentAmount.'&CURRENCYCODE='.$currCodeType.'&IPADDRESS='.$serverName ;



 /* Make the call to PayPal to finalize payment
    If an error occured, show the resulting errors
    */
$resArray=hash_call("DoExpressCheckoutPayment",$nvpstr);

/* Display the API response back to the browser.
   If the response from PayPal was a success, display the response parameters'
   If the response was an error, display the errors received using APIError.php.
   */
$ack = strtoupper($resArray["ACK"]);


if($ack != 'SUCCESS' && $ack != 'SUCCESSWITHWARNING'){
    $_SESSION['reshash']=$resArray;
    $location = "APIError.php";
         header("Location: $location");
               }

?>

答案 2 :(得分:3)

以下是我用于为PayPal按钮创建折扣券的方法:

将此代码用于您的按钮:

<form action="https://www.paypal.com/cgi-bin/webscr" method="post" onsubmit="this.target = 'paypal'; return ReadForm (this);">
<input type="hidden" name="cmd" value="_xclick" />
<input type="hidden" name="add" value="1" />
<input type="hidden" name="business" value="YOUR MERCHANT ACCOUNT ID NUMBER HERE" />
<input type="hidden" name="item_name" value="10 sessions" />
<input type="hidden" name="amount" value="773.00" />
<input type="hidden" name="currency_code" value="USD" />
<input type="hidden" name="baseamt" value="773.00" />
<input type="hidden" name="basedes" value="10 sessions" />
Enter Coupon code
<input type     = "text" size     = "10"  name     = "coupcode"; />
<input type="button" value="Check code" onclick="coupval =this.form.coupcode.value;  ChkCoup();" /><br/><br/>
<input type="image" id="xx" disabled="disabled" src="https://www.paypalobjects.com/WEBSCR-640-20110306-1/en_US/i/btn/btn_buynowCC_LG.gif" border="0" name="submit" onclick="CalculateOrder(this.form)" alt="PayPal - The safer, easier way to pay online!">
<img alt="" border="0" src="https://www.paypalobjects.com/WEBSCR-640-20110306-1/en_US/i/scr/pixel.gif" width="1" height="1">
</form>

创建一个Javascript文件并将此代码复制并粘贴到其中:

<!-- var discnt = 0;   // no default percent discount   var coupons = new Array (  // place to put coupon codes   "coup1",                 // 1st coupon value - comma seperated   "coup2",                 // 2nd coupon value - add all you want   "coup3"                  // 3rd coupon value ); var coupdc  = new Array (  // place to put discounts for coupon vals   5,   10,   15 ); var coupval = "(blanket)"; // what user entered as coupon code   function ChkCoup () {      // check user coupon entry var i;   discnt = 0;              // assume the worst   for (i=0; i<coupons.length; i++) {     if (coupval == coupons[i]) {       discnt = coupdc[i];  // remember the discount amt       alert ("Valid coupon number! \n\n" + discnt +              "% discount now in effect.");       return;     }   }   alert ("'" + coupval + "'  is not a valid code!"); }   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) {  // apply the discount var amt,des;   amt = obj1.baseamt.value*1.0;       // base amount   des = obj1.basedes.value;           // base description     if (discnt > 0) {                   // only if discount is active     amt = Dollar (amt - (amt * discnt/100.0));     des = des + ", " + discnt + "% dis, COUP = " + coupval;   }     obj1.amount.value = Dollar (amt);   obj1.item_name.value = des; } //--> 

将文件保存为discount.js或任何您想要调用的文件并将其上传到您的服务器。然后通过将此行放在&lt;中来调用脚本。头&gt;您网站的一部分:

<script type="text/javascript" src="http://yourwebsite.com/discount.js"></script>

您可以在http://icode4you.net/how-to-create-a-coupon-discount-for-paypal-buttons阅读我在此主题上撰写的博客文章,详细了解如何指定折扣密码以及输入正确密码时应用的折扣金额,以及如何打包Javascript使您的密码更安全。