(1)录入班费信息(包括经手人姓名、事由、金额、时间)。将其信息存入文件中。

(2)按金额降序排列。

(3)按时间先后排序。

(4)求出总金额。

(5)求出每一次的班费开支占总开支的百分比。

(6)可以修改班费开支的信息，修改之前需要验证密码，修改后的信息可以存入文件，进行排序、查找等一系列操作。

(7)可以按经手人的姓名查找班费的开支信息。

(8)可以查询某一个金额段的所有班费信息　　。

(9)可以查询某一个金额段的所有信息(包括经手人姓名、事由、金额、时间)。

-(1) entry ban fee information (including handling of name, subject matter, the amount of time). Their information into the document. (2) by the amount of descending order. (3) according to chronological order. (4) calculated the total amount. (5) derived classes every expenses percentage of total expenditure. (6) can modify the ban costs of information, before changes need to verify the password, the revised information can be deposited into the file, sort, find a series of operations. (7) can be handled by that person s name to find information ban expenses. (8) can query a certain amount of fees above all classes of information. (9) can search for a certain amount above all the information (including the handling of the name, subject matter, the amount of time).