分享快乐-永不止步

摘要： 看看下面代码：class base{public: base(){ name = "my name is base" ; } string name ; virtual void show(){ cout << "it's base"<<endl; }};class A:public base{public: A(){ name = "my name is A"; } string name ; void show(){ cout << "it's A test" 阅读全文