# encoding:utf-8 class Session < ActiveRecord::Base has_paper_trail self.table_name = 'session' self.primary_key = "session_key" validates_presence_of :session_key rails_admin do navigation_label '系统会话管理' weight -35 list do filters [:session_key] # include_all_fields field :session_key field :session_expiry do formatted_value do Time.at(value) end end end show do # include_all_fields field :session_key field :session_expiry do formatted_value do Time.at(value) end end end edit do end end end