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飞机订票系统功能描述： 1、录入：可以录入航班情况（数据可以存储在一个数据文件中，数据结构、具体数据自定）2、查询：可以查询某个航线的情况（如，输入航班号，查询起降时间，起飞抵达城市，航班票价，票价折扣，确定航班是否满仓）；可以输入起飞抵达城市，查询飞机航班情况；3、订票：（订票情况可以存在一个数据文件中，结构自己设定）可以订票，如果该航班已经无票，可以提供相关可选择航班；4、退票： 可退票，退票后修改相关数据文件；客户资料有姓名，证件号，订票数量及航班情况，订单要有编号。5、修改航班信息：当航班信息改变可以修改航班数据文件-Plane booking system Functional Description: 1, entry: You can input flight situation [data can be stored in a data file, data structure, since the specific data set] 2, query: can search for a route [for example, enter the flight number, query time take-offs and landings, take-off on arrival, flight fares, fare discounts, to determine whether flights Mancang] can enter to take off on arrival, query plane flights situation 3, for reservations: [booking can exist in a data file, the structure of its own settings] to booking, if the flight had no ticket, you can choose to provide relevant services 4, Refund: Refund available, a refund after the revision of the related data files customer information have names, identification number, booking number and flight, the orders must have ID. 5, modified flight information: When the flight information can be amended to change the flight data file
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