Ruby on rails rails 3.2中通过paypal预先批准的付款

我将此信息发送给paypal，以便使用预先批准的支付功能：

response = gateway.preapprove_payment( 
  :return_url =>  user_orders_url(current_user),
  :cancel_url => user_orders_url(current_user),
  :requestEnvelope => {"errorLanguage" => "en_US"},
  :start_date => Time.now,
  :end_date => Time.now + (60*60*24) * 30,
  :currency_code =>"USD",
  :senderEmail =>"email address of sender",
  :max_amount => "20.00",
  :maxNumberOfPayments => "1",
  :notify_url => ipn_notification_user_orders_url(current_user),
  )
 redirect_to (gateway.redirect_url_for(response["preapprovalKey"]))
 p response

我在paypal页面上收到一条消息：

This transaction is invalid. Please return to the recipient's website and try again.

我正在使用此gem的方法

构建\预批准\付款

这是我的日志控制台中的输出：

#<ActiveMerchant::Billing::AdaptivePaymentResponse:0xb7c6838 @json="{\"responseEnvelope\":{\"timestamp\":\"2012-07-23T09:32:42.631-07:00\",\"ack\":\"Success\",\"correlationId\":\"0c4df4aefe651\",\"build\":\"DEV\"},\"preapprovalKey\":\"PA-8D4362235H161382C\"}", @response=#<Hashie::Rash preapproval_key="PA-8D4362235H161382C" response_envelope=#<Hashie::Rash ack="Success" build="DEV" correlation_id="0c4df4aefe651" timestamp="2012-07-23T09:32:42.631-07:00">>, @xml_request="<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<PreapprovalRequest>\n  <requestEnvelope>\n    <detailLevel>ReturnAll</detailLevel>\n    <errorLanguage>en_US</errorLanguage>\n    <senderEmail>sender_email</senderEmail>\n  </requestEnvelope>\n  <endingDate>2012-08-22T18:32:40</endingDate>\n  <startingDate>2012-07-23T18:32:40</startingDate>\n  <maxTotalAmountOfAllPayments>20.00</maxTotalAmountOfAllPayments>\n  <maxNumberOfPayments>1</maxNumberOfPayments>\n  <currencyCode>USD</currencyCode>\n  <cancelUrl>http://localhost:3000/en/u/maserranocaceres/orders</cancelUrl>\n  <returnUrl>http://localhost:3000/en/u/maserranocaceres/orders</returnUrl>\n  <ipnNotificationUrl>http://localhost:3000/en/u/maserranocaceres/orders/ipn_notification</ipnNotificationUrl>\n</PreapprovalRequest>\n", @request={"PreapprovalRequest"=>{"requestEnvelope"=>{"detailLevel"=>"ReturnAll", "errorLanguage"=>"en_US", "senderEmail"=>"microf_1342709287_biz@gmail.com"}, "endingDate"=>"2012-08-22T18:32:40", "startingDate"=>"2012-07-23T18:32:40", "maxTotalAmountOfAllPayments"=>"20.00", "maxNumberOfPayments"=>"1", "currencyCode"=>"USD", "cancelUrl"=>"http://localhost:3000/en/u/maserranocaceres/orders", "returnUrl"=>"http://localhost:3000/en/u/maserranocaceres/orders", "ipnNotificationUrl"=>"http://localhost:3000/en/u/maserranocaceres/orders/ipn_notification"}}, @action="Preapproval">

{“requestEnvelope”=>{“detailLevel”=>“ReturnAll”、“errorLanguage”=>“en_US”、“senderEmail”=>“microf_1342709287”_biz@gmail.com“}，”endingDate“=>”2012-08-22T18:32:40“，”startingDate“=>”2012-07-23T18:32:40“，”MaxTotalAmountFallPayments“=>”20.00“，”maxNumberOfPayments“=>”1“，”currencyCode“=>”USD“，”cancelUrl“=>"http://localhost:3000/en/u/maserranocaceres/orders“，”返回URL“=>”http://localhost:3000/en/u/maserranocaceres/orders，“ipnNotificationUrl”=>“http://localhost:3000/en/u/maserranocaceres/orders/ipn_notification“}}，@action=“Preapproval”>

哪里有错误？

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谢谢！

好吧，根据我对该gem源代码的调查，预批准付款的正确重定向url方法是

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好吧，根据我对该gem源代码的调查，预批准支付的正确重定向url方法是

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非常感谢您！问题已解决；D非常感谢您！问题已解决；D