active_hashを使って都道府県のセレクトバーを作成 - Qiita

class Prefecture < ActiveHash::Base self.data = [ {id: 1, name: '北海道'}, {id: 2, name: '青森県'}, {id: 3, name: '岩手県'}, {id: 4, name: '宮城県'}, {id: 5, name: '秋田県'}, {id: 6, name: '山形県'}, {id: 7, name: '福島県'}, {id: 8, name: '茨城県'}, {id: 9, name: '栃木県'}, {id: 10, name: '群馬県'}, {id: 11, name: '埼玉県'}, {id: 12, name: '千葉県'}, {id: 13, name: '東京都'}, {id: 14, name: '神奈川県'}, {id: 15, name: '新潟県'}, {id: 16, name