Ruby on rails 如何将我的关联id插入到
我有一个属于不同模型的模型(游戏属于场地和组织者),但当我填写表格创建游戏时,我的创建方法没有赶上场地参考Ruby on rails 如何将我的关联id插入到,ruby-on-rails,ruby-on-rails-5,associations,simple-form-for,Ruby On Rails,Ruby On Rails 5,Associations,Simple Form For,我有一个属于不同模型的模型(游戏属于场地和组织者),但当我填写表格创建游戏时,我的创建方法没有赶上场地参考 class Game < ApplicationRecord belongs_to :organiser belongs_to :field end class Organiser < ApplicationRecord has_many :games, dependent: :destroy end class Field < ApplicationRecor
class Game < ApplicationRecord
belongs_to :organiser
belongs_to :field
end
class Organiser < ApplicationRecord
has_many :games, dependent: :destroy
end
class Field < ApplicationRecord
has_many :games, dependent: :destroy
end
课堂游戏
控制器
class GamesController < ApplicationController
before_action :set_game, only: [:show, :edit, :update, :destroy]
def new
@organiser = Organiser.find(params[:organiser_id])
@game = Game.new
end
def create
@game = Game.new(game_params)
organiser_id = current_organiser.id
@organiser = Organiser.find(organiser_id)
@game.organiser = @organiser
@game.save
redirect_to organiser_games_path(@organiser)
end
def edit
organiser_id = current_organiser.id
@organiser = Organiser.find(params[:organiser_id])
end
def update
organiser_id = current_organiser.id
@organiser = Organiser.find(organiser_id)
@game.update(game_params)
redirect_to organiser_games_path(@organiser)
end
private
def game_params
params.require(:game).permit(:field_id, :total_players)
end
def set_game
@game = Game.find(params[:id])
end
class GamesController
_新建和编辑视图的表格地块
<%= simple_form_for [@organiser, @game] do |f| %>
<div class="form-inputs">
<%= f.input :field_id, as: :select, collection: Field.all.collect(&:location) %>
<%= f.input :total_players %>
</div>
<div class="form-actions">
<%= f.button :submit, "Create", class: "btn btn-primary" %>
</div>
<% end %>
我是一个初学者,如果你们能帮我提供一些基本的解决方案,帮助我理解复杂的部分,我将不胜感激
我没有收到任何消息,它看起来像是走到了谷底,但它没有collection:Field.all.collect(&:location) 集合必须是一个具有关系id和显示值的数组。这里,您只收集每个字段的
位置
值
这段代码应该做到以下几点:
<%= f.input :field_id, as: :select, collection: Field.all.map { |field| [field.id, field.location] } %>
field.id
将是您的选择选项的值(目前没有值,因此无法工作),field.location
将是您的选择选项的文本: 对字段使用关联
。结账