07 2012 档案

摘要：（很基础，本人菜鸟，大师勿喷，不过欢迎指正错误或补充）不解释，先上例子：class A{public: virtual void print ()=0; virtual void v_cname() { cout << "class A print by v_cname" << endl;} void cname() { cout << "class A print by cname" << endl;}};class B : public A{public: void print (){ cout < 阅读全文