公司人员信息系统设计。

定义员工类，子类包括部门经理类，部门员工类；定义客户类，子类包括普通客户类和金牌客户类。

员工类和客户类有共同的人员父类。定义类的共同方法。

基本功能（方法）有员工和客户的属性（成员变量）获取；经理指示员工工作，经理和客户交流，员工向经理汇报，以及各类人员特定的其它功能。-Design company personnel information systems.

Definition of employee categories, sub-categories, including category manager, department staff category　defined customer categories, sub-categories including general customer category and medals customer classes.

Staff classes and client classes have a common parent class staff. Common method to define the class.

Basic functions (methods) employees and customers attributes (member variables) to obtain　manager instructed staff to work, managers and customer communication, employees reporting to managers, as well as certain other categories of personnel functions.