fohow_admin/app/models/update_order.rb

# encoding:utf-8
class UpdateOrder < ActiveRecord::Base
  has_paper_trail
  self.table_name = "update_orders"
  after_create :update_order_express

  def update_order_express
    # 复制商品图片
    orders = Order.find_by_sql("select * from orders where order_id = '#{self.order_id} ' limit 1")
    # 创建商品图片
    orders.each do |order|
      order.express_company=self.express_company
      order.express_order_no=self.express_order_no
      order.save
      self.status=1
      self.save
    end

  end
  rails_admin do
    navigation_label '商品管理'
    weight -240
    parent Order
    list do
      filters [:order_id,:express_order_no]
      # include_all_fields
      field :id
      field :order_id
      field :express_order_no
      field :express_company
      field :status
    end
    show do
      field :id
      field :order_id
      field :express_order_no
      field :express_company
      field :status
    end

    edit do
      field :id
      field :order_id
      field :express_order_no
      field :express_company
      field :status
    end
  end
end