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enumを日本語化して、連動したラジオボタンを生成する方法

Last updated at Posted at 2020-07-11

やりたいこと

以下のようなenumをラジオボタンで表現したい。

enum loadtype: { normal: 0, trail: 1, beach: 2, track: 3 }

かつ、選択肢は日本語で出るようにしたい。

enumの日本語化について

こちらの記事の内容に従って日本語化します。
https://qiita.com/tanutanu/items/d44a92425188a4489ec6

日本語化したenumに連動したラジオボタンを記述

ViewのFormで以下のように記載

<%= f.collection_radio_buttons :loadtype, Post.loadtypes_i18n, :first, :last  %>

コードの意味は以下の通り

<%= f.collection_radio_buttons [column名], [表示対象のコレクション], [value], [textに表示する文字列]  %>
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