条带卡令牌未定义

由于条带卡令牌未定义，无法处理条带付款，尝试了https://stripe.com/docs/testing中的有效卡号 . 仍然无法正常工作 .

user.rb文件：

class User < ActiveRecord::Base
     # Include default devise modules. Others available are:
     # :confirmable, :lockable, :timeoutable and :omniauthable
     devise :database_authenticatable, :registerable,
     :recoverable, :rememberable, :trackable, :validatable

      belongs_to :plan

      attr_accessor :stripe_card_token

       def save_with_payment

          if valid?
           customer = Stripe::Customer.create(description: email, plan: plan_id, card: stripe_card_token)
            self.stripe_customer_token = customer.id
           save!

           end
           end

           end

routes.rb文件：

Rails.application.routes.draw do

     devise_for :users, controllers: {registrations: 'users/registrations'}
     resources :contacts
     get '/about' => 'pages#about'
     root 'pages#home'
     end

users.js文件：

$(document).ready(function() {

    Stripe.setPublishableKey($('meta[name="stripe-key"]').attr('content'));

    $("#form-submit-btn").click(function(event) {
     event.preventDefault();
     $('input[type=submit]').prop('disabled', true);

     var error = false;
     var ccNum = $('#card_number').val();
     var cvcNum = $('#card_code').val();
     var expMonth = $('#card_month').val();
     var expYear = $('#card_year').val();

      if(!error) {

      Stripe.createToken({

     number: ccNum,
     cvc: cvcNum,
     exp_month: expMonth,
     exp_year: expYear

      }, stripeResponseHandler);

      }

       }); // form submission

       function stripeResponseHandler(status, response) {

      var f = $('#new_user');

      var token = response.id;

      f.append('<input type="hidden" name = "user[stripe_card_token]" value="' + token + '" />');

      f.get(0).submit();

      }

      });

application.html.erb文件：

<%= stylesheet_link_tag 'application', media: 'all' %>
  <%= javascript_include_tag "https://js.stripe.com/v2/", type: 'text/javascript' %>
  <%= javascript_include_tag 'application' %>
  <%= tag :meta, :name => "stripe-key", :content => STRIPE_PUBLIC_KEY %>
  <%= csrf_meta_tags %>