static class data member的意思|示意

C + + Does derived class could inheritance Static data member and Static member function from Base class?

C+ +并派生类可以继承的静态数据成员，static成员函数从基类？

If you declare a static data member within a class definition as dllexport , a definition must occur somewhere within the same program (as with nonclass external linkage).

你必须在同一个程序中定义所有此类成员，否则会产生一个链接错误。

A static data member is not bound to a single instance of your class.

静态数据成员没有绑定到类的一个实例。