Head First 设计模式 （八） 模板方法模式（Template Method pattern） C++实现

#include"Beverage.h" ;using namespace std; int main() { std::auto_ptr< Tea > tea( new Tea() ); std::auto_ptr< Coffee > coffee( new Coffee() ); std::cout << std::endl << "Making tea..." << std::endl; tea->prepareRecipe(); std::cout << std::endl << "Making coffee..." << std::endl; coffee->prepareRecipe(); std::auto_ptr< TeaWithHook > teaHook( new TeaWithHook() ); std::auto_ptr< CoffeeWithHook > coffeeHook( new CoffeeWithHook() ); std::cout << std::endl << "Making tea..."<< std::endl; teaHook->prepareRecipe(); std::cout << std::endl << "Making coffee..."<< std::endl; coffeeHook->prepareRecipe(); return 0; }