选课系统类图

OrderItem

- id: Integer- count: Integer- subtotal: Float- oid: Integer- pid: Integer- product: Product

Orders

- id: Integer- no: string- total: Float- order_time: Date- pay_time: Date- state: Integer- name: String- phone: String- addr: String- uid: Integer- orderItems: OrderItem

Msg

- value: int- name: string

Info

- id: Integer- content: string- create_time: string

User

- id: Integer- password String- name: String- email: String- phone: String- addr: String

Recom

- id: Integer- uid: Integer- pid: Integer- grade: Integer- time: String

CategorySecond

- id: Integer- cname: string- csname: string- cid: Integer

Category

- id: Integer- cname: string- password: string- categorySeconds: CategorySecond

Product

- id: Integer- pname: string- market_price: Float- shop_price: Float- inventory: Integer- image: String- pdesc: String- detail: string- is_hot: String- pdate: String- csid: Integer- cid: Integer- csname: String

Admin

- id: Integer- name: string- password: string