ETMVC框架的进销存系统 有权限管理，包含数据结构（数据库）-Invoicing ETMVC framework of rights management systems, including data structure (database)

用户管理增删改例子,采用etmvc框架,比较适合初学者，可以运行，请自测试通过。-User management increases the censored example, USES the etmvc framework, is more suitable for beginners, you can run, since the test pass, please.