[英]problem with my paypal express checkout payment?
我是新来的贝宝快递结帐,我有此代码向贝宝付款
$resArray = CallShortcutExpressCheckout ($paymentAmount, $currencyCodeType, $paymentType, $returnURL, $cancelURL);
$ack = strtoupper($resArray["ACK"]);
if($ack=="SUCCESS" || $ack=="SUCCESSWITHWARNING")
{
RedirectToPayPal ( $resArray["TOKEN"] );
}
else
{
//Display a user friendly Error on the page using any of the following error information returned by PayPal
$ErrorCode = urldecode($resArray["L_ERRORCODE0"]);
$ErrorShortMsg = urldecode($resArray["L_SHORTMESSAGE0"]);
$ErrorLongMsg = urldecode($resArray["L_LONGMESSAGE0"]);
$ErrorSeverityCode = urldecode($resArray["L_SEVERITYCODE0"]);
echo "SetExpressCheckout API call failed. ";
echo "Detailed Error Message: " . $ErrorLongMsg;
echo "Short Error Message: " . $ErrorShortMsg;
echo "Error Code: " . $ErrorCode;
echo "Error Severity Code: " . $ErrorSeverityCode;
}
这是CallShortcutExpressCheckout函数的代码
function CallShortcutExpressCheckout( $paymentAmount, $currencyCodeType, $paymentType, $returnURL, $cancelURL)
{
//------------------------------------------------------------------------------------------------------------------------------------
// Construct the parameter string that describes the SetExpressCheckout API call in the shortcut implementation
$nvpstr="&PAYMENTREQUEST_0_AMT=". $paymentAmount;
$nvpstr = $nvpstr . "&PAYMENTREQUEST_0_PAYMENTACTION=" . $paymentType;
$nvpstr = $nvpstr . "&RETURNURL=" . $returnURL;
$nvpstr = $nvpstr . "&CANCELURL=" . $cancelURL;
$nvpstr = $nvpstr . "&PAYMENTREQUEST_0_CURRENCYCODE=" . $currencyCodeType;
$_SESSION["currencyCodeType"] = $currencyCodeType;
$_SESSION["PaymentType"] = $paymentType;
//'---------------------------------------------------------------------------------------------------------------
//' Make the API call to PayPal
//' If the API call succeded, then redirect the buyer to PayPal to begin to authorize payment.
//' If an error occured, show the resulting errors
//'---------------------------------------------------------------------------------------------------------------
$resArray=hash_call("SetExpressCheckout", $nvpstr);
$ack = strtoupper($resArray["ACK"]);
if($ack=="SUCCESS" || $ack=="SUCCESSWITHWARNING")
{
$token = urldecode($resArray["TOKEN"]);
$_SESSION['TOKEN']=$token;
}
return $resArray;
}
我的问题是我不知道如何发送购物车的完整信息,例如产品标题和代码,这是我需要的,因为我的购物车中没有订单部分,我想通过电子邮件管理一切,所以我需要发送通过订单的产品描述,一旦我收到订单电子邮件确认,订单中就会包含商品描述
我试图使用表单提交来遍历项目。 贝宝的示例代码仅适用于1个项目。 我没有检查类似PeeHaa的函数,而是检查是否设置了L_PAYMENTREQUEST_0_NAME0,如果已设置,请将所有变量添加到$ nvpstr字符串中。 然后继续查看是否设置了L_PAYMENTREQUEST_0_NAME1,如果已设置,则将其添加到字符串中,等等。这是需要它的人的代码:
for($i=0; $i<99999; $i++){
if(isset($paramsArray["L_PAYMENTREQUEST_0_NAME$i"])){
$nvpstr = $nvpstr . "&L_PAYMENTREQUEST_0_NAME$i=" . $paramsArray["L_PAYMENTREQUEST_0_NAME$i"];
}
if(isset($paramsArray["L_PAYMENTREQUEST_0_NUMBER$i"])){
$nvpstr = $nvpstr . "&L_PAYMENTREQUEST_0_NUMBER$i=" . $paramsArray["L_PAYMENTREQUEST_0_NUMBER$i"];
}
if(isset($paramsArray["L_PAYMENTREQUEST_0_DESC$i"])){
$nvpstr = $nvpstr . "&L_PAYMENTREQUEST_0_DESC$i=" . $paramsArray["L_PAYMENTREQUEST_0_DESC$i"];
}
if(isset($paramsArray["L_PAYMENTREQUEST_0_AMT$i"])){
$nvpstr = $nvpstr . "&L_PAYMENTREQUEST_0_AMT$i=" . $paramsArray["L_PAYMENTREQUEST_0_AMT$i"];
}
if(isset($paramsArray["L_PAYMENTREQUEST_0_QTY$i"])){
$nvpstr = $nvpstr . "&L_PAYMENTREQUEST_0_QTY$i=" . $paramsArray["L_PAYMENTREQUEST_0_QTY$i"];
}
if(!isset($paramsArray["L_PAYMENTREQUEST_0_NAME$i"])){
break;
}
}
我正在尝试做同样的事情。
首先,我要说的是我已经尝试了2天的完整结帐工作,但我仍然没有完全成功:(
但是,看来我比您更进一步。
虽然不确定这是否是正确的方法,但我将向您展示我现在所得到的以及仍然存在的问题。
我所做的如下:
如果用户单击checkout按钮,则将调用一个php文件(我们将其称为checkout.php
)。
在checkout.php
文件中,我构造了一个包含用户要订购商品的array
。
// fill array with two products
// normally you would loop through all products in the basket to create this array
$items = array('L_PAYMENTREQUEST_0_NAME0'=>'Productname 1',
'L_PAYMENTREQUEST_0_NUMBER0'=>'Productcode 1',
'L_PAYMENTREQUEST_0_DESC0'=>'Productdescription 1',
'L_PAYMENTREQUEST_0_AMT0'=>39.99, // price per unit
'L_PAYMENTREQUEST_0_QTY0'=>2, // quantity
'L_PAYMENTREQUEST_0_NAME1'=>'Productname 2',
'L_PAYMENTREQUEST_0_NUMBER1'=>'Productcode 2',
'L_PAYMENTREQUEST_0_DESC1'=>'Productdescription 2',
'L_PAYMENTREQUEST_0_AMT1'=>200.99,
'L_PAYMENTREQUEST_0_QTY1'=>1,
);
// set total amount of order in session (this will be used by paypal throughout the payment process)
$_SESSION['Payment_Amount'] = 280.97;
// now normally call CallShortcutExpressCheckout only with the addition of the $items array
$resArray = CallShortcutExpressCheckout ($paymentAmount, $currencyCodeType, $paymentType, $returnURL, $cancelURL, $items);
现在,对于具有实际向PayPal发出请求的功能的文件:
我创建了一个额外的函数( generate_nvp_string
),并更改了CallShortcutExpressCheckout
函数以使用此字符串。
function generate_nvp_string($paymentAmount, $currencyCodeType, $paymentType, $returnURL, $cancelURL, $items = array())
{
$params = array('PAYMENTREQUEST_0_AMT'=>$paymentAmount,
'PAYMENTREQUEST_0_PAYMENTACTION'=>$paymentType,
'RETURNURL'=>$returnURL,
'CANCELURL'=>$cancelURL,
'PAYMENTREQUEST_0_CURRENCYCODE'=>$currencyCodeType,
);
$params = array_merge($params, $items);
$nvp_string = '';
foreach($params as $name => $value) {
$nvp_string.= '&'.$name.'='.$value;
}
return $nvp_string;
}
function CallShortcutExpressCheckout($paymentAmount, $currencyCodeType, $paymentType, $returnURL, $cancelURL, $items= array())
{
$_SESSION['currencyCodeType'] = $this->currency;
$_SESSION['PaymentType'] = $this->payment_type;
$result = $this->hash_call('SetExpressCheckout', $this->generate_nvp_string($paymentAmount, $currencyCodeType, $paymentType, $returnURL, $cancelURL, $items));
$ack = strtoupper($result['ACK']);
if ($ack == 'SUCCESS' || $ack == 'SUCCESSWITHWARNING') {
$_SESSION['TOKEN'] = urldecode($result['TOKEN']);
}
return $result;
}
现在,当用户单击“结帐”按钮时,请求字符串还将包括产品。 并且当用户被重定向到PayPal结帐时,他们将对所有订购的产品有一个很好的了解。
我从以下答案开始:
以及我仍然有什么问题。
现在,结帐过程似乎可以正常工作,但是当用户完成结帐过程并重定向回我的网站( $returnURL
)时,由于某种原因而没有获得交易ID。
交易ID对于能够在后端进一步处理付款至关重要。
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