Delphi下开发进销存等系统的公共框架，自己开发成功的，拿过来可以直接用，稍微再改进一下更好。带数据库。供学习用。-Invoicing and other systems developed under Delphi' s common framework, their successful development, and take over direct use, improve the look a little better again. With the database. U

系统包含以下主要功能：产品定价分析、销售品种、分类分析，渠道与定向销售分析，代理商销售分析，销售变化情况分析等.-System includes the following main functions: product pricing analysis, sales varieties, classification analysis, channel and direct marketing analysis, agent sales analysis, sales analysis cha