用vb实现的基本定销存管理。订货，出库，打印发票

门诊信息管理数据库,包括发票的打印，各种药品的数据信息-Patient information management database, including invoice printing, data from a variety of medicines information

u8erp接口,生成物流发货单,生成代收款,生成发票申请,及各个模块的状态查询,打印,功能 适当修改,可适用任何erp软件-u8erp interface, the logistics invoice generation, generating on behalf of receivables, invoice generation application, and query the status of each module, print, functions with appropr