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日本語でエラー文章

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gemを入れる

```ruby:GEM gem 'rails-i18n' ```
bundle install

config/application.rbに追記

```config/application.rb module Stoma class Application < Rails::Application # Initialize configuration defaults for originally generated Rails version. config.load_defaults 5.2 config.i18n.default_locale = :ja ここ追加する # Settings in config/environments/* take precedence over those specified here. # Application configuration can go into files in config/initializers # -- all .rb files in that directory are automatically loaded after loading # the framework and any gems in your application. end end
<h2>3点未入力がありますのエラー部分テンプレート作成</h2>
```html:layouts/_errors.html.erb
<% if obj.errors.any? %>
  <div id="error_explanation">
    <h3><%= pluralize(obj.errors.count, "点") %> 未入力があります</h3>
    <ul>
      <% obj.errors.full_messages.each do |message| %>
        <li><%= message %></li>
      <% end %>
    </ul>
  </div>
<% end %>

obj:@エラー文の対象とし、部分テンプレートを呼び出す

```html:html <%= render 'layouts/errors', obj: @ostomy%> ```

config/locales/models/ja.ymlで日本語化する

インデントずれると翻訳できないので注意

config/locales/models/ja.yml
ja:
  activerecord:
    errors:
      messages:
        record_invalid: 'バリデーションに失敗しました: %{errors}'
        restrict_dependent_destroy:
          has_one: "%{record}が存在しているので削除できません"
          has_many: "%{record}が存在しているので削除できません"
    attributes:
      ostomy:
        color: ストーマの色
        edema: むくみ
        skin: 皮膚の状態

##########この順序でかく##################################

attributes:         # attributes:の直下
  post:            # モデル名
    title: 名前           #カラム
     content:ブログ本文    #カラム名
############enumsの訳も以下############################
enums:  #enum
    ostomy: #モデル名
      color:  #カラム
        pink: ピンク  #訳
        red: あか    #訳
        brown: ちゃいろ #訳
        black: くろ      #訳
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