J2EE同时提供了声明和编程形式的基于角色的授权功能。
J2EE provides both declarative and programmatic role-based authorization capabilities.
基于角色的授权通过仅将资源提供给已分配相应角色的用户来保护资源。
Role-based authorization protects resources by only making them available to users who have been assigned to the appropriate role.
自定义ui以删除链接和菜单选项的做法与基于角色的授权非常相似。
Customizing the UI to remove links and menu options is very analogous to role-based authorization.
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