Rails CSV附件在浏览器中打开，而不是下载 [英] Rails CSV attachment opens in browser instead of downloading

问题描述

在我的Rails 3应用程序中，我提供了一个CSV模板供用户下载.无需下载它，只需在新选项卡中打开文本即可.这是代码:

In my rails 3 application I provide a CSV template for users to download. Instead of downloading it simply opens the text in a new tab. Here is the code:

<a href="/templates/myFile.csv" target="_blank">click here</a>

这以前对我有用，我不确定有什么变化可以打破它.与此类似的其他问题则建议添加target='_blank'或更改标题，但我这样做并没有太大的运气.

This was working for me previously and I'm not sure what could have changed to break it. Other questions similar to this suggest adding target='_blank' or changing the headers but I haven't had much luck doing so.

我不认为这会有所作为，但是此链接位于人体的模态内部，

I don't think it should make a difference, but this link is inside of a modal who's body comes from here:

<div class="modal hide" id="helpModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true">
  <%= modal_header "Help" %>
   <div class="modal-body">
    <%= render 'help' %>
  </div>
  <div class="modal-footer">
    <button class="btn" data-dismiss="modal" aria-hidden="true">Close</button>
  </div>
</div>

推荐答案

您可以使用send_file方法:

You can use send_file method:

def download_file(file_path)
   send_file(file_path, :type => 'text/csv', :disposition => "attachment")
end

您可以将此方法添加到控制器并进行路由，然后在您的视图中使用它:

You can add this method to a controller and routes, then use it in your views:

link_to "Download", download_file_path('some_file.csv')

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