说明：  人事管理系统,有数据录入、存储、显示、修改和删除功能,首先根据要解决的问题分析设计出了类图，抽象出各个类的数据成员和函数成员，然后进行详细编码，在主函数中创建类的对象，调用适当的成员函数或全局函数实现相应的功能。最后进行测试。
(Personnel Management System, have data entry, storage, display, modify and delete functions, the first problem to be solved in accordance with analysis and design a class diagram, an abstract of the various types of data members and function members, and then conduct a detailed coding, in the main function create a class object, call the appropriate member function or global function to achieve the corresponding functions. Finally for testing.)