贝宝定期账单 PayPal Express Checkout API客户端,用于定期计费。 安装 gem install paypal - recurring 用法 首先,您需要设置凭据: require "paypal/recurring" PayPal :: Recurring . configure do | config | config . sandbox = true config . username = "seller_1308793919_biz_api1.simplesideias.com.br" config . password = "1308793