Authorization Management is one of the key components in Management Information Systems (MIS) for the security consideration. The adopting of Role-Based Access Control (RBAC) approach makes Authorization Management more efficiency and security. In this paper, we present a way to manage user's privilege by constructing user's function menu in the tree pattern based on RBAC in web-oriented system. The architecture of the Authorization Management System, the design of the database, the constructing of dynamic resource tree and the verification of user's privilege are mainly introduced. The development of the system is under MyEclipse IDE and using MVC pattern.
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