个仓库的库存变化通常是通过入库、出库操作来进行。系统要求对入库、出库操作均需要填写入库清单和出库清单；在出入库的同时，用户可以进行增加，删除，修改等操作，也可以随时进行各种查询，统计，等工作-Warehouse inventory changes often through storage, a library to carry out the operation. System requirements for inbound, outbound operations are required to complete the list of inbound and outbound list　in a storage at the same time, the user can add, delete, modify, such as operation, can also conduct various kinds of inquiries, statistics, etc.