viewでformから生データを取得する
form.object => #<Post id: 1, title: "title", content: "content", created_at: "2018-04-28 07:28:22", updated_at: "2018-04-28 11:25:56"> form.object.id => 1 This post is licensed under CC BY 4.0 by the author.
form.object => #<Post id: 1, title: "title", content: "content", created_at: "2018-04-28 07:28:22", updated_at: "2018-04-28 11:25:56"> form.object.id => 1