[英]Where do I add a class in this Rails collection_select?
我在向該collection_select添加類時遇到了麻煩:
<%= f.collection_select :category_id, Category.all, :id, :name, {:prompt => 'Choose a category'}, {:required => true} %>
我已經試過了:
<%= f.collection_select :category_id, Category.all, :id, :name, {:prompt => 'Choose a category'}, {:required => true}, {:class => "form_inputs"} %>
以及:
<%= f.collection_select :category_id, Category.all, :id, :name, {prompt: "Choose a category"}, {required: true}, {class: "form_inputs"} %>
但是似乎都不起作用。 是什么賦予了?
Try like this
<%= f.collection_select :category_id, Category.all, :id, :name, {:prompt => 'Choose a category'}, :class => "form_inputs" %>
試試這個...經過測試。
<%= f.collection_select 'category_id', Category.all, 'id', 'name', {prompt: "Choose a category"}, class: "form_inputs", required:true %>
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