Question

嘿，我怎么能把它变成铁轨上的按钮？

 <%= link_to "+Add Attachment!", :controller => "assets", :action => "new", :lesson_id => @lesson %>

Answer 1

<%= button_to "+ Add Attachment", ... %>

考虑使用RESTful路由系统，而不是指定:controller => "assets", :action => "new", ...哈希。

您可以考虑使用CSS让<a>的{{1}}看起来不错，而不是用尴尬的按钮替换它。