Ruby 用 prawn 生成 PDF 怎么直接返回给客户端

sjzg001 · October 09, 2014 · Last by __main__ replied at October 10, 2014 · 2028 hits

有个 ajax 操作,指向一个 collection,已经可以生成 pdf。但是怎么直接返回给客户端 pdf 文件。用的是 send_file(path_url,:type=>"application/pdf",:disposition=>"attachment")。但是因为 ajax 操作。不能直接返回给客户端 pdf 而是返回 200.希望高手解答

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