销售管理系统设计

　　某公司有四个销售员（编号：1-4），负责销售五种产品（编号：A-E）。每个销售员都将当天出售的每种产品各写一张便条交上来。每张便条包含内容：1）销售员的代号，2）产品的代号，3）这种产品当天的销售额。每位销售员每天上缴1张便条。

系统基本功能：

1、系统以菜单方式工作

2、便条信息录入功能(便条信息用文件保存)

3、收集到了上个月的所有便条后，读取销售情况

　　1）计算每个人每种产品的销售额。

　　2）按销售额对销售员进行排序，输出排序结果（销售员代号）

　　3）统计每种产品的总销售额，对这些产品按从高到底的顺序，输出排序结果（需输出产品的代号和销售额）

4、销售员信息查询功能-Sales management system a company has four salespeople (1-4), responsible for sales of five products (Code: AE). Each salesperson will be the day of the sale of each product each write a note to pay up. Each note contains: 1) the salesperson code, 2) Product Code 3) of this product the same day sales. Every salesman turned over to a daily note. The basic functionality of the system: a system menu, memo information input function (note information, save the file), to collect all the notes of the last month, read sales) sales of each person for each product amount. 2) in terms of sales, salesman, sort, sorts the output (sales code) 3) the total sales of the statistics for each product, in the end from the high order these products, the output sort results (code required output products and sales), salesperson information query