forgeplus/app/views/admins/faqs/_form_modal.html.erb

<div class="modal fade faq-change-modal" tabindex="-1" role="dialog" aria-hidden="true">
  <div class="modal-dialog modal-dialog-centered" role="document">
    <div class="modal-content">
      <div class="modal-header">
        <h5 class="modal-title"><%= type == "create" ? "新增" : "编辑" %></h5>
        <button type="button" class="close" data-dismiss="modal" aria-label="Close">
          <span aria-hidden="true">&times;</span>
        </button>
      </div>
       <%= form_for @faq, url: {controller: "faqs", action: "#{type}"} do |p| %>
        <div class="modal-body">
          <%= p.text_field :question,class: "form-control input-lg",placeholder: "问题",required: true, maxlength: 100%>
        </div>
        <div class="modal-body">
          <%= p.text_field :url,class: "form-control input-lg",placeholder: "链接",required: true, maxlength: 100%>
        </div>
        <div class="modal-footer">
          <button type="button" class="btn btn-secondary" data-dismiss="modal">取消</button>
          <%= p.submit "确认", class: "btn btn-primary submit-btn" %>
        </div>
      <% end %>
    </div>
  </div>
</div>