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几个小时后我真的遇到了麻烦，尝试了很多方法，但仍然没有运气。我使用 Paypal Framework Wordpress 插件在我的 wordpress 主题中集成了 PayPal。沙盒设置工作正常。我使用令牌在 SetExpressCheckout 上获得了成功，当我使用https://www.sandbox.paypal.com/webscr?TOKEN=EC-2FY692500K5578627&cmd=_express-checkout将用户发送到 PayPal 进行批准和付款时，它给了我错误...

This transaction is invalid. Please return to the recipient's website to complete your transaction using their regular checkout flow.

请帮忙，我该怎么做才能让它工作......我真的很担心...... :(

更新

我正在发送以下参数SetExpressCheckout

$ppParams = array(
        'METHOD' => 'SetExpressCheckout',
        'PAYMENTREQUEST_0_PAYMENTACTION' => 'Sale',
        'RETURNURL' => admin_url('admin-ajax.php?action=paypal_handler&step=commit&user_id=' . $user_id),
        'CANCELURL' => home_url(),
        'AMT' => $price,
        'PAYMENTREQUEST_0_AMT' => $price,
        'PAYMENTREQUEST_0_ITEMAMT' => $price,
        'L_PAYMENTREQUEST_0_ITEMCATEGORY0' => 'Digital',
        'L_PAYMENTREQUEST_0_NAME0' => 'Prod Name',
        'L_PAYMENTREQUEST_0_QTY0' => 1,
        'L_PAYMENTREQUEST_0_AMT0' => $price,
        'DESC' => 'description',
        'FIRSTNAME' => $_POST['first_name'],
        'LASTNAME' => $_POST['last_name'],
        'EMAIL' => $email
    );

    $response = hashCall($ppParams);

我正在使用以下https://cms.paypal.com/uk/cgi-bin/?cmd=_render-content&content_ID=developer/e_howto_api_ECGettingStarted进行交叉检查和实施。

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1 回答 1

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哼！找到了解决方案...只是在TOKEN...中使用小写字母https://www.sandbox.paypal.com/webscr?token=EC-2FY692500K5578627&cmd=_express-checkout

于 2013-08-24T00:08:16.963 回答