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[Rails] form_withでパラメーターを取得できないときの対処法

Posted at

#解決法

  • urlかモデルのみを記述する。(今回はurlのみ記述)

編集前

_form.html.erb
<%= form_with(model: @set, url: "/sets/create", local: true) do |f| %>
  <div class="form-title">
    <%= f.label :title, "タイトル" %>
    <%= f.text_field :title %>
  </div>
<% end %>

編集後

_form.html.erb
<%= form_with(url: "/sets/create", local: true) do |f| %>
  <div class="form-title">
    <%= f.label :title, "タイトル" %>
    <%= f.text_field :title %>
  </div>
<% end %>
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