C++____UML类图

SalesManager

- idNumber :string- name :string- post :string- salary :double

+ money() :double+ display() 

Technician

- idNumber :string- name :string- post :string- salary :double- level :int

Salesman

- idNumber :string- name :string- post :string- salary :double+ sales_volume :double

Director

Manage

- all_sales_volume : double + Company :vector<Person *>+ Company1 :vector<Person *>

+ menu() + displayAll()+ displayOrder()+ addPerson(p :Person * )+ add()+ deletePerson(name : string ): bool+ findPerson(name : string )Person * + alterPerson(name : string ) bool+ sort()+ addtofile()+ readfile()

Commodities

+ money() :double+ display()+ operator<(const  p :Person &) :bool+ operator<(const  p :Person &) :bool