template< typename T>Box类应该从非模板基继承(例如 BasicBox类类).

template <typename T> class Box should inherit from a non-template base (let's say class BasicBox).

然后指向 BasicBox 的指针可以指向派生模板的专业化对象:

Then a pointer to BasicBox can point to objects of the specializations of the derived template:

BasicBox *someBox = new Box<int>;

或者，因为在现代C ++™中应该避免手动管理内存，所以使用智能指针将是一个更好的主意:

Or, since in modern C++™ manually managing memory should be avoided, using a smart pointer would be a better idea:

std::unique_ptr<BasicBox> someBox = std::make_unique<Box<int>>();