Rails：使用button_to创建控制器动作 [英] Rails: use button_to for create action of controller

问题描述

为什么我不能让我的button_to指定控制器的create动作而不是show

Why can I not get my button_to to specify the create action of my controller rather than show

我已经尝试了无数次添加：action => create以及button_to参数中的其他内容

I have tried numerous times to add :action => "create" and other such things to the button_to parameters

<%= button_to "subscribe", subscription_path(feed_url: @feed.feed_url)%>

我是否需要在route.rb中指定创建路径？

do I need to specify a create route in my routes.rb? if so how should I go about that?

使用该行的方式时，在加载时出现此错误：

When used the way that line is, I get this error on load:

路由错误

没有路由匹配{：action => show，：controller => subscriptions，：feed_url => http：// foo.com/rss}

No route matches {:action=>"show", :controller=>"subscriptions", :feed_url=>"http://foo.com/rss"}

我将其作为订阅的唯一参考。

in routes.rb I have this as the only reference to subscriptions.

  resource :subscriptions

推荐答案

您需要使用 subscripton s _path ，而不是 subscription_path 。

You need to use subscriptons_path, not subscription_path.

subscription_path 用于显示特定的订阅。

subscriptions_path 用于显示所有订阅（通过GET请求）或创建新订阅（通过POST请求）。

subscription_path is for showing a specific subscription.
subscriptions_path is for showing all subscriptions (via a GET request) or creating new subscriptions (via a POST request).

<%= button_to "subscribe", subscriptions_path(feed_url: @feed.feed_url, :method => :post)%>

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