c++继承里面的构造函数和析构函数

// ConsoleApplication9.cpp : 定义控制台应用程序的入口点。//#include "stdafx.h"  #include<iostream>  #include<string>  class Base{public:Base();~Base();void doing();};class Ba : public Base{public: Ba();~Ba();};Base::Base(){std::cout << "进入基类构造器。。。。。。\n";}Base::~Base(){std::cout << "进入基类析构器。。。。。。\n\n";}void Base::doing(){std::cout << "我在呀。。。。。。\n";}Ba::Ba(){std::cout << "进入子类构造器。。。。。。\n";}Ba::~Ba(){std::cout << "进入子析构造器。。。。。。\n";}int main(){Ba ba;ba.doing();std:: cout<< "完事\n\n";ba.~Ba();return 0;}

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