模型类设计

• 用户UserInfo
  • uname
  • upwd
  • ...
  • isDelete
• 商品分类TypeInfo
  • ttitle
  • isDelete
• 商品GoodsInfo
  • gtitle
  • gtype
  • gprice
  • gdesc
  • isDelete
• 购物车CartInfo
  • user
  • goods
  • count
• 订单OrderInfo
  • user
  • ototal
  • state
• 订单详细OrderDetailInfo
  • order
  • goods
  • count
  • price