app/views/sessions/new.html.haml
%nav.breadcrumb
%ul
%li
%a{ :href => "/" } 首页
%li
登录
%article.main-section
%section
= form_for :publisher, :as => :post, :url => sessions_path do |f|
%h3 登录
%p
= flash[:alert]
%p
= label_tag 'publisher[email]', 'Email'
= f.email_field :email, :placeholder => '填写你的电子邮件...'
%p
= label_tag 'publisher[password]', '密码'
= f.password_field :password, :size => 20, :placeholder => '填写密码...'
%p
= f.submit '登录', :class => 'btn btn-primary'