Design and Implementation for Right Manage System of PDM Based on J2EE''''s Technology
基于J2EE的PDM系统权限管理设计和实现

The identification and verification of user's status in PDM system is the PDM system's safety of gate,the operation legal right allotment and managements of the legal customer are the keys of the PDM system safety.The paper gives the project which is the legal right manage system of PDM,the project uses the language of UML to carry on the analysis and set up the mold to the system at first,then gives the case of system based on the J2EE and the Web structure.