使用继承机制编写一个学校教职工信息管理的应用，完成简单的查询、增删和修改等操作。本实验只要求实现使用面向对象的方式实现简单的信息管理的模拟，不要求将数据永久保存。-Using the inheritance mechanism to prepare a school faculty information management application, to complete a simple query to delete and modify such an operation. This experiment only requires implementation using object-oriented means to achieve the simple information management, simulation, does not require the data be kept permanently.