Role is introduced to separate user and privilege in role-based access control model, but RBAC can't directly control the permission for a sequence of events.

而基于角色的访问控制模型以角色为中介，将用户与权限逻辑隔离，但该模型不能处理有执行顺序的任务；

youdao

Role is introduced to separate user and privilege in role-based access control model, but RBAC can't directly control the permission for a sequence of events.

而基于角色的访问控制模型以角色为中介，将用户与权限逻辑隔离，但该模型不能处理有执行顺序的任务；

youdao