發送折扣是setexpresscheckout API的訂單項

我是新來的paypal.how使用折扣在下面的代碼。發送折扣是setexpresscheckout API的訂單項

'&CURRENCYCODE='.urlencode($PayPalCurrencyCode). 
        '&PAYMENTACTION=Sale'. 
        '&ALLOWNOTE=1'. 
        '&PAYMENTREQUEST_0_CURRENCYCODE='.urlencode($PayPalCurrencyCode). 
        '&PAYMENTREQUEST_0_SHIPPINGAMT='.urlencode($shipping_total). 
        '&PAYMENTREQUEST_0_AMT='.urlencode($cart_total). 
        '&PAYMENTREQUEST_0_ITEMAMT='.urlencode($item_total). 
        '&PAYMENTREQUEST_0_SHIPPINGDISCAMT='.urlencode($discount_total). 

        $products_str. 

        '&AMT='.urlencode($item_total). 
        '&RETURNURL='.urlencode($PayPalReturnURL). 
        '&CANCELURL='.urlencode($PayPalCancelURL);

如何編寫SetExpressCheckout_API付款折扣。

其工作良好，沒有折扣。所以我不khnow如何寫在這裏的折扣

請幫我

來源

2013-10-23 user2906767

發送折扣是setexpresscheckout API訂單項 – user2906767

您可以通過在你的L_PAYMENTREQUEST_0_AMT0參數設置負數指定折扣，行項目。例如， ;

RETURNURL: http://url 
CANCELURL: http://url 
PAYMENTREQUEST_0_AMT: 100.00 
paymentrequest_0_currencycode: USD 
PAYMENTREQUEST_0_ITEMAMT: 70.00 
PAYMENTREQUEST_0_SHIPPINGAMT: 15.00 
PAYMENTREQUEST_0_HANDLINGAMT: 10.00 
PAYMENTREQUEST_0_TAXAMT: 5.00 
PAYMENTREQUEST_0_DESC: Description 
paymentrequest_0_paymentaction: Sale 
L_PAYMENTREQUEST_0_NAME0: Test article 
L_PAYMENTREQUEST_0_DESC0: Description 
L_PAYMENTREQUEST_0_AMT0: 70.00 
L_PAYMENTREQUEST_0_NUMBER0: 123456 
L_PAYMENTREQUEST_0_QTY0: 1 
L_PAYMENTREQUEST_0_TAXAMT0: 5.00

看here

來源

2013-10-24 05:12:09

發送折扣是setexpresscheckout API的訂單項

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