设计并实现一个简单的大学人员信息管理系统。对各类人员信息进行管理，包括增加、删除、查询、修改、排序和统计等基本功能。用面向对象方法设计一个异质链表，该链表用来存储大学中各类人员的信息。-design and implement a simple university personnel information management system. Categories of information management, including add, delete, inquiry, modif

基于多态性异质单向链表的学校成员管理程序-Polymorphism of the list based on one-way heterogeneous members of the school management procedures