Rails：将用prawn生成的pdf通过电子邮件发送到ActionMailer发送的电子邮件中？

I have an ecommerce app. I'm using Prawn to generate pdf invoices of orders. I'm using a standard Prawn setup. In views/admin/orders, I have a file called show.pdf.prawn. When the seller is viewing an order in his admin section, he clicks a link that opens the pdf version of the orders/show view. This all works perfectly.I have an ecommerce app. I'm using Prawn to gen