//商品管理源程序

//题目要求：输入商品号及各项数据，以一定的方式存于计算机中；按各种条件进行查询、统计、排序及打印等操作。-//Commodity Management source code// subject request: Enter the number of goods and the data stored in a certain way on your computer　inquiries by various conditions, statistics, sorting and printing operation.