说明：  家庭支出管理系统（1）支出信息包括： 支出类型（主要可以分为饮食，服饰装扮，礼金，教育培训，电器，健身，通讯，子女培养，旅游，文化娱乐，医疗，交通，聚会，居住等小项），金额，消费地点，消费时间等。 （2）需要实现的功能 1) 用户根据口令进入系统 2) 输入某一月份，完成该月份的支出管理 3) 输入并统计该月的支出情况 4) 显示该月支出信息表，内容应包括日期，金额等 5) 按支出类型进行分类统计和排序 6) 进行本月消费分析，即分析每项支出所占总支出的百分比，并显示分析结果 7) 显示按支出类型排序后的支出信息 8) 将排序后的内容存为文件。 （3）界面友好，输入信息符合逻辑如存款金额不为负数、不可能有非数字的字符等。
(Family expenditure management systems (1) expenditure information include: the type of expense (eating, dressing up, gifts, education and training, electrical appliances, fitness, communication, children' s culture, tourism, culture and entertainment, health care, transportation, gathering, living mainly be divided into small items), the amount of consumer locations, spending time. (2) the need to achieve the function 1) User password to enter the system 2) Input a month, 3) Enter the month expenditure management and expenditure statistics of the month 4) shows the monthly expenditure information table, which shall include the date amount 5) statistical classification and sorting by type of expenditure 6) month consumption analysis, analysis of the percentage of each item of expenditure to the total expenditure, and displays the results of the analysis) sorted by type of expenditure spending 8) will sort the contents stored in a file. (3) user-friendly, logical input information suc)