本文为《系统分析与设计》课程作业，探讨一下软件项目中的领域建模。
领域建模
实例：Asg-RH Make Reservation
其数据建模如下：
- Traveler(ID/Key, name, email)
- Reservation(ID/Key, TravelerID/FKey, HotelID/FKey, checkInDate, numberOfNights)
- ReservationItem(ID/Key, ReservationID/FKey, RoomID/FKey, type, checkInDate, checkOutDate, numberOfNights, numberOfAdults, numberOfChildren, ageOfChildren)
- Hotel(ID/Key, name, address, star, locCode, briefIntro, favourites, lowPrice, rating, maxDiscount)
- Location(ID/Key, HotelID/FKey)
- Room(ID/Key, HotelID/FKey, type, date, reserved, price, avaliable)
- RoomDescription(ID/Key, RoomID/FKey, type, total, listPrice, description)
- RoomCatalog(ID/Key, RoomDescriptionID/FKey, type)
实例：Asg-RH Payment
其数据建模如下：
- Traveler(ID/Key, name, email)
- CreditCard(ID/Key, TravelerID/FKey, type, number, securityCode, expireDate)
- Payment(ID/Key, CreditCardID/FKey, date, totalPrice)
- PaymentItem(ID/Key, PaymentID/FKey, room, price, checkInDate, numberOfNights)
状态建模
实例：Asg-RH Reservation/Order
