質問編集履歴
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文章の追加・修正
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@@ -40,44 +40,42 @@
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-
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post 'carts/add' => 'carts#add'
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get 'carts/show' => 'carts#show'
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#get "items/:id" => "carts#new"
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post 'carts/update' => 'carts#update'
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delete 'carts/delete' => 'carts#delete'
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post "carts/create" => "carts#create"
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# For details on the DSL available within this file, see http://guides.rubyonrails.org/routing.html
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get "users/nologin" => "users#nologin"
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get "users/mypage/sell_history" => "users#sell_history"
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get "items/complete" => "items#complete"
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post "items/create" => "items#create"
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post "items/confirm" => "items#confirm"
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get "items/new" => "items#new"
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get "items/:id" => "items#show"
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post 'carts/add' => 'carts#add'
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get 'carts/show' => 'carts#show'
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#get "items/:id" => "carts#new"
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post 'carts/update' => 'carts#update'
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delete 'carts/delete' => 'carts#delete'
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post "carts/create" => "carts#create"
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# For details on the DSL available within this file, see http://guides.rubyonrails.org/routing.html
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get "users/nologin" => "users#nologin"
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get "users/mypage/sell_history" => "users#sell_history"
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get "items/complete" => "items#complete"
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post "items/create" => "items#create"
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post "items/confirm" => "items#confirm"
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get "items/new" => "items#new"
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@@ -380,9 +378,7 @@
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def show
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@item = Item.new
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@item = Item.find
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@item = Item.find(params[:id])
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end
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@@ -405,3 +401,123 @@
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```
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【追記①】
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asm 様のアドバイスを基にコード修正しました。
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次のエラーがidが見つからないということでした。
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`show.html.erb` でid通そうとしたんですが直らず。
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ソースコードも掲載いたします。
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アドバイスお願いいたします。
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```Ruby
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<!-- app/views/items/show.html.erb -->
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<%= form_for @item, :url => carts_add_path do |f| %>
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<div>
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<h2>商品詳細</h2>
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<div class="item-quantity">
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<%= f.fields_for :items do |h| %>
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<strong>購入数</strong>
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<%= h.number_field :quantity,min:1,max:@item.stock,step:1 %> <br>
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<% end %>
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</div>
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<div>
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<strong>商品名</strong>
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<p>
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<%= f.hidden_field :title %>
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<%= @item.title %>
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</p>
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<strong>商品画像</strong>
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<p>
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<%= f.hidden_field :image %>
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<img src="<%= @item.image %>" width="200">
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</p>
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<strong>価格</strong>
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<p>
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<%= f.hidden_field :price %>
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<%= @item.price %>
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</p>
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<strong>在庫数</strong>
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<p>
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<%= f.hidden_field :stock %>
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<%= @item.stock %>
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</p>
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<strong>商品説明</strong>
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<p>
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<%= f.hidden_field :description%>
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<%= @item.description %>
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</p>
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<%= f.hidden_field :user_id, :value => current_user.id %>
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<%= f.hidden_field :item_id, :value => current_user.id %>
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</div>
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<%= f.submit '戻る', name: 'back' %>
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<%= f.submit '商品購入に進む' %>
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</div>
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<% end %>
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```
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