Rails button_to - 将css类应用于按钮 [英] Rails button_to - applying css class to button

问题描述

这很愚蠢，但我无法弄清楚如何设计由Rails button_to 创建的输入元素 - 是的，我已经阅读了文档并再次尝试了样品。

This is silly, but I just can't figure out how to style the input element created by Rails button_to -- and yes, I've read the docs over and over again and tried the samples.

这是我的ERB代码：

Here's my ERB code:

 <%= button_to "Claim", action: "claim", idea_id: idea.id, remote: true, class: 'btn btn-small'  %>

这会产生以下HTML：

And this yield the following HTML:

<form action="/ideas/claim?class=btn+btn-small&amp;idea_id=4&amp;remote=true" class="button_to" method="post">
  <div>
    <input data-remote="true" type="submit" value="Claim">
    <input name="authenticity_token" type="hidden" value="pU3umgqrDx3WbalfNK10c9H5B5N4OzPpohs4bWW8mow=">
  </div>
</form>

尽管我只想要输入到有 class =btn btn-small。

帮助？谢谢！

推荐答案

方法的签名 button_to 是

The signature of the method button_to is

button_to(name = nil, options = nil, html_options = nil, &block)

因此，使用 {} 区分选项和 html_options

<%= button_to "Claim", {action: "claim", idea_id: idea.id, remote: true}, {class: 'btn btn-small'} %>

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