Manager: In this system there is only one administrator, that is, the system adm...

代码说明：

管理员：在此系统中只有一个管理员，即系统管理员。具有一般用户所没有的权限，即具有管理一般用户、试题管理功能。 管理员可以向题库中添加各种类型且符合要求的试题，也可以对它们进行修改和删除。同时，管理员也能对科目、用户、考试记录等数据进行管理。 试题管理-Manager: In this system there is only one administrator, that is, the system administrator. General users do not have permission, that is, with the management of general users, test management capabilities. Administrators can add to the questions of all types and meet the requirements of the test, can also modify and delete them. At the same time, administrators can also subjects the user, the examination of data records management. Test Management