User
-userId:Integer-userName:String -userPassword:String -phone:Integer
+createUser()+findUser()
Address
-addressId:Integer-receiverName:String-receiverAddress:String-receiverPhone:String
+add()+delete()+update()
Admin
-adminName:String-adminPassword:String
+updateOrder()
Category
-categoryId:Integer-categoryName:String
Comment
-commentId:Integer-userId:Integer-good-d:Integer-comment:String-creatTiME:Date
+comment()
Order
-orderId:Integer-receiverName:String-receiverAddress:String-receiverPhone:String-createTime:Date -state:Integer-totalPrice-Integer
+createOrder()+findOrder()+addOrderItem()
Good
-goodId:Integer-goodName:String-price:Double-detail:String-cateforyId:Integer-sale:Integer
+serach()+add()+delete()+update()
Cart
-userId:Integer-userName:String -cartItemList:List<CartItem>
+add()+delete()+update()
