简单的团购网站信息管理系统，可以实现以下功能

1) 用户根据口令进入系统；

2）按照不同团购类型，设定利润差价；

3) 对给定时间段(如一周)进行收益统计；

4)显示某时间段内的团购信息表，内容应包括类型，金额，人数等；

5)按团购类型进行收益的分类统计和排序；

6)显示按团购类型排序后的支出信息；

7)将排序后的内容存为文件。

8）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。-Simple buy site information management system that can achieve the following functions

1) according to the user password to enter the system

2) according to different types of deals, the profit difference is set

3) for a given period of time (eg one week) for revenue statistics

4) display information table for a period of time to buy, should include the type, amount, number, etc

5) buy type by revenue classification statistics and sorting

6) spending information sorted by type of post-buy

7) the contents of the sorted saved as a file.

8) friendly interface, enter information such as the amount of the deposit is not logical negative, there can be no non-numeric characters and the like.