PayPal的Ruby API：Ruby-PayPal

Ruby-PayPal 是 PayPal API 的 Ruby 語言封裝版本。

安裝方法：gem install ruby-paypal

示例代碼：

username = <PayPal API username>
password = <PayPal API password>
signature = <PayPal API signature>

ipaddress = '192.168.1.1' # can be any IP address
amount = '100.00' # amount paid
card_type = 'VISA' # can be Visa, Mastercard, Amex etc
card_no = '4512345678901234' # credit card number
exp_date = '022010' # expiry date of the credit card
first_name = 'Sau Sheong'
last_name = 'Chang'

paypal = Paypal.new(username, password, signature) # uses the PayPal sandbox
response = paypal.do_direct_payment_sale(ipaddress, amount, card_type,
                           card_no, exp_date, first_name, last_name)
if response.ack == 'Success' then
     # do your thing
end

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