说明：  计算机课程设计，个人收支管理系统个人收支中记录以下数据：顺序号、日期、摘要、金额、余额、币种。可以在软件中输入收/支信息，默认币种为人民币。明细表查询，可以输入起止日期查出这段时间内的收支明细（详细信息）。统计功能应该能按月、按年统计总收入和总支出。 输入信息时要检查日期输入的正确性 在程序中能将数据写入文件和从文件中读入数据。
(Computer curriculum design, personal income and expenditure management system for personal income and expenditure recorded in the following data: the order number, date, summary, amount, balance, currency. Can enter in the software collection/support information, the default currency for yuan. Schedule of inquiry, can enter dates of this period of time to identify the income and expenditure details (details). Function should be able to monthly statistics, the total annual income and total expenditure. Enter the information to check the correctness of the date of importation in the procedure to write data files and read from the document data.)