To create the right model, this paper proposes the rule-based method of access management, by which rights can be assigned more clearly and the integration system can run much more efficiently.

从建立PD M中的权限模型的角度出发，提出了基于规则的产品数据访问权限管理方法，从而对权限的分配更加简洁清晰，并大大提高了PD M系统的运行效率。

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The access right control management emphasizes on the design of model, the arithmetic is simple and interface is complicated.

权限管理着重于模型的设计，算法简单，界面较为丰富。

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Based on the idea of software engineering, management-related courses through the right to demand access to business, needs analysis, system design and implementation of a course management system.

本文根据软件工程思想，通过对课程管理相关业务进行需求获取、需求分析、系统设计和实现了一个课程管理系统。

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