对库存货品信息的输入、插入、删除、查找等功能，并能将建立和更新的库存信息保存于文件供输出或打印。对于查找、删除等功能要求能按货品名、货品号分别进行。每个货品的相关信息包括：货品号、货品名、货品库存量、进货日期、货品生产厂家及供应商等。-Information on the inventory of goods import, insert, delete, search and other functions, and can create and update the inventory information stored in the file for output or printing. The search, delete and other functions required to by commodity name, commodity number, respectively. Relevant information, including each of the goods: Goods number, goods name, goods inventory, purchase date, goods manufacturers and suppliers.