如何在rails中添加options_from_collection_for_select的數據屬性

Question

將此視為我的選擇標記

<%= select_tag "post[brand_slug]", options_from_collection_for_select(@products, 'slug', 'name'), prompt: 'select' %>

這工作正常，但我需要一個數據屬性

<%= select_tag "post[brand_slug]", options_from_collection_for_select(@products, 'slug', 'name'), data: {id: @products.id} , prompt: 'select' %>

@product.id無效。 我怎樣才能獲得ID

Answer 1

試試以下：

<%= select_tag "post[brand_slug]", options_for_select(@products.map{ |product| [product.name, product.slug, { 'data-id' => product.id }] }), prompt: 'select' %>