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form_forとform_tagの書き方の比較

Last updated at Posted at 2015-08-27

Railsチュートリアル8章での表題の件

<!-- form_forの書き方 -->

form_for(モデルオブジェクト,{オプション})
<%= form_for(:session, url: sessions_path) do |f|  %>
  <%= f.label :email %>
  <%= f.text_field :email %>

  <%= f.label :password %>
  <%= f.text_field :password %>

  <%= f.submit 'Sign in', class: 'btn btn-large btn-primary' %>
<% end %>


<!-- form_tagの書き方(label, text_field使用) -->
form_tag(url, オプション)
<%= form_tag(sessions_path, method: "POST") do %>
  <%= label :session, :email %>
  <%= text_field :session, :email %>

  <%= label :session, :password %>
  <%= password_field :session, :password %>

  <%= submit_tag  'Sign in', class: 'btn btn-large btn-primary' %>
<% end %>

<!-- form_tagの書き方2(label_tag, text_field_tag使用) -->

<%= form_tag(sessions_path, method: "POST") do %>      
  <%= label_tag 'Email' %>
  <%= text_field_tag 'session[email]' %>

  <%= label_tag 'Password' %>
  <%= password_field_tag 'session[password]' %>

  <%= submit_tag  'Sign in', class: 'btn btn-large btn-primary' %>
<% end %>     
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