我使用的主题具有非常特殊的布局,我想以一种故障转移的方式来保护表单。
我有一个布局app/views/shared/forms/fields/_layout.html.erb
<div class="js-form-message mb-4">
<div class="js-focus-state input-group u-form">
<div class="input-group g-brd-primary--focus">
<%= yield(:field) %>
</div>
</div>
</div>
我有两个部分。
第一部分:app/views/shared/forms/fields/_email.html.erb
<% form = locals[:form] %>
<% locals[:required] = locals[:required].nil? ? true : locals[:required] %>
<% locals[:placeholder] = locals[:placeholder] || t('forms.shared.email.placeholder') %>
<%= render layout: "shared/forms/fields/layout",locals: locals do %>
<% content_for(:field) do %>
<%= form.email_field :email,placeholder: locals[:placeholder],class: "form-control g-py-15 g-px-15","data-error-class"=>"u-has-error-v1-3","data-success-class"=>"u-has-success-v1-2","data-msg-email" => t('forms.shared.email.validate'),"data-msg" => t('forms.shared.required'),autofocus: locals[:autofocus],required: locals[:required] %>
<% end %>
<% end %>
第二部分:app/views/shared/forms/fields/_login.html.erb
<% form = locals[:form] %>
<% locals[:required] = locals[:required].nil? ? true : locals[:required] %>
<% locals[:placeholder] = locals[:placeholder] || t('forms.shared.login.placeholder') %>
<%= render layout: "shared/forms/fields/layout",locals: locals do %>
<% content_for(:field) do %>
<%= form.email_field :login,required: locals[:required] %>
<% end %>
<% end %>
当我这样做时:
<%= render "shared/forms/fields/email",locals: {form: f} %>
<%= render "shared/forms/fields/login",locals: {form: f} %>
我知道
Email Field
Email Field/Login Field
我发现content_for
“附加”了您提供的代码块,然后当我yield
时返回了整个代码块。
content_for(:field)
中第一次没有任何内容,并且将其追加到Email Field
中。但是第二次它不会清除其内容,而只是在其后附加Login Field
。
我正在考虑为layout.html.erb
增加额外的复杂性,因此仅使其内联不是一个选择。
有没有办法告诉布局仅产生content_for的“最新”值。
编辑:
我写了一个在yield之后刷新的方法,建议再次使用相同的键:
def yield_and_flush!(content_key)
view_flow.content.delete(content_key)
end