/************************************************************** 简单工厂： 1.产品的创建交给一个单独的类来管理 2.此类提供全局的访问接口，根据输入条件的不同来创建不同的对象 使用： 1.创建工厂，根据输入的条件来创建对应的产品 2.在创建产品时，返回产品的接口指针 3.通过此指针来操作相应的对象
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#include <iostream> using namespace std; class Fruit { public: virtual void getFruit() = 0; }; class Banana : public Fruit { public: virtual void getFruit() { cout << "香蕉" << endl; } }; class Pear : public Fruit { public: virtual void getFruit() { cout << "梨子" << endl; } }; class Factory { public: static Fruit* Create(char *name) { Fruit *tmp = NULL; if (strcmp(name, "pear") == 0) { tmp = new Pear(); } else if (strcmp(name, "banana") == 0) { tmp = new Banana(); } else { return NULL; } return tmp; } }; void main() { Fruit *pear = Factory::Create("pear"); if (pear == NULL) { cout << "创建pear失败\n"; } pear->getFruit(); Fruit *banana = Factory::Create("banana"); if (banana == NULL) { cout << "创建banana失败\n"; } banana->getFruit();
system("pause");
}
