摘要
采用面向对象的思想,分析了PDM中需要进行权限控制的对象,提出了一种权限管理模型,能对权限进行多层次、多角度管理。各种权限综合作用,避免了每种授权操作的局限性,从而更适合实际情况,保证了对用户的权限服务既方便又实用。
By using the idea of object-oriented,this paper analyzes the objects that need access control in product data management system, and puts forward a privilege management model;it can manage privileges from several points of view and levels.Many kinds of privileges take into uses by synthesize,so that it can avoid one kind of privilege’s limitation,more adapt to requirements,and make users’ privilege services convenient and utility.
出处
《机械与电子》
2005年第1期55-58,共4页
Machinery & Electronics
关键词
产品数据管理
权限管理模型
功能性
权限
实体性权限
过程中权限
product data management
privilege management model
functional privilege
object privilege
process privilege
