Rails Form Helper PUT & DELETE

rails_form_method_put_delete.html.erb

<!-- 程式 -->
<%=form_tag( "user/kejyun", :method=>"put",) do %>
<!-- 輸出 -->
<form accept-charset="UTF-8" action="user/kejyun" method="post">
    <div style="margin:0;padding:0;display:inline">
        <input name="utf8" type="hidden" value="✓">
        <input name="_method" type="hidden" value="put">
        <input name="authenticity_token" type="hidden" value="mGtUivWdNKpvf9nRu7Seb9AZi8dI/9ivvsQ/AdDpnIo=">
    </div>
</form>

<!-- 程式 -->
<%=form_tag( "user/kejyun", :method=>"delete",) do %>
<!-- 輸出 -->
<input name="_method" type="hidden" value="delete">