Rails - SimpleForm 中默认选择的单选按钮：集合

发布于 2024-11-17 04:02:31 字数 235 浏览 3 评论 0原文

我对 SimpleForm 中的单选按钮没什么问题。

当我使用

= f.association :manufactureType, :collection => ManufactureType.all, :as => :radio

Rails 时，只会生成几个单选按钮，但没有一个被选中。我希望默认选择第一个单选按钮。我怎样才能做到呢？

谢谢

原文

I've litte problem with radiobuttons in SimpleForm.

When i use

= f.association :manufactureType, :collection => ManufactureType.all, :as => :radio

Rails simply generates few radiobuttons, but none of them are selected.
I want first radiobutton to be selected by default. How can i make it?

Thanks

分享到QQ

分享到微博

如果你对这篇内容有疑问，欢迎到本站社区发帖提问参与讨论，获取更多帮助，或者扫码二维码加入 Web 技术交流群。

发布评论

需要登录才能够评论，你可以免费注册一个本站的账号。

拔了角的鹿 2024-11-24 04:02:31

如果将制造类型传递到视图中，则可以执行以下操作：

:checked => @manufacture_types[0]

或者

:checked => ManufactureType.first

If you pass in the manufacture types into the view, you can do the following:

:checked => @manufacture_types[0]

:checked => ManufactureType.first

回复收藏 0 原文

捶死心动 2024-11-24 04:02:31

我的例子稍微复杂一些，其他答案都不适合我，因为没有可供参考的集合或模型。

= f.input :attending, as: :radio_buttons, :collection => [ ['Yes', true], ['No', false] ], :checked => ['Yes', true]

My example was slightly more complicated, none of the other answers worked for me since there was no collection or model to reference.

= f.input :attending, as: :radio_buttons, :collection => [ ['Yes', true], ['No', false] ], :checked => ['Yes', true]

回复收藏 0 原文

半岛未凉 2024-11-24 04:02:31

根据操作员的评论，添加此参数对我有用：

:checked => 1

from op's comment, adding this parameter worked for me:

:checked => 1

回复收藏 0 原文

放飞的风筝 2024-11-24 04:02:31

这是我的有效代码的摘录：

= f.input :body_format,
  collection: [['markdown', 'Markdown']],
  label_method: :last,
  value_method: :first,
  as: :radio_buttons,
  checked: 'markdown', # THIS
  required: true

Here is an excerpt of my code which works:

= f.input :body_format,
  collection: [['markdown', 'Markdown']],
  label_method: :last,
  value_method: :first,
  as: :radio_buttons,
  checked: 'markdown', # THIS
  required: true

回复收藏 0 原文

~没有更多了~