用ssh三大框架做的进销存系统，其中权限管理是亮点，基于RBAC的模型实现的权限管理，用户角色授权，用springAOP拦截方法，希望对大家学习有帮助-Three fr a meworks do with ssh Invoicing System, which is the highlight of rights management, based on RBAC model to achieve rights management, user roles------ authorized by