文档管理系统中小粒度授权机制的研究

提出了操作权限分类的方法和标准，结合文档管理的业务特点，进行了基于文档结构树的授权业务建模；为求解权限管理的基本问题公式，建立了资源可拓展的、分级授权的授权机制，定义了授权机制的粗规则和业务逻辑接口，实现了树型资源等复杂资源系统的权限分配方式。

Research of Fine Granularity Authorization System in the Document Management System

Analysis the operation rules of authorization,defines the authorization operations and these rules , defines the inherent rules of the authorization system, and constructs the mapping model between the reality operations and the logic operations, makes these correlative operations synchronous, builds a open and extended authorization system.Validates the practicality and effectivity of the constructed system by the privilege management of product document management system.