c++类的动态继承

代码如下：

/* 02.23.2009 www.gaimo.net [e-mail] */ #include <iostream> using namespace std; class A1{public: A1() { cout<<"A1"<<endl; } }; class A2{public: A2() { cout<<"A2"<<endl; } }; template<class T>class B : public T{public: B() { } };int main(){ B<A1> b1; B<A2> b2; system("PAUSE"); return 0;}