建造者模式（生成器模式）

来源：互联网发布：如何在阿里云建网站编辑：程序博客网时间：2024/04/30 04:25
#include <string>#include <iostream>#include <vector>using namespace std;class Product{private:vector<string> product;public:void add(string str){product.push_back(str);}void show(){vector<string>::iterator iter=product.begin();while(iter!=product.end()){cout<<*iter<<"  ";++iter;}cout<<endl;}};class Builder{public:virtual void builderA()=0;virtual void builderB()=0;virtual Product *getResult()=0;};class ConcreteBuilder1:public Builder{private:Product *product;public:ConcreteBuilder1(){product=new Product();}virtual void builderA(){product->add("one");}virtual void builderB(){product->add("two");}virtual Product *getResult(){return product;}};class ConcreteBuilder2:public Builder{private:Product *product;public:ConcreteBuilder2(){product=new Product();}virtual void builderA(){product->add("A");}virtual void builderB(){product->add("B");}virtual Product *getResult(){return product;}};class Director{private:Product *p;public:void construct(Builder *bd){bd->builderA();bd->builderB();p=bd->getResult();}Product *getResult(){return p;}};int main(){Director *director=new Director();Builder *bd1=new ConcreteBuilder1();director->construct(bd1);Product *pbd1=director->getResult();pbd1->show();return 0;}/*#include <string>#include <iostream>#include <vector>using namespace std;class Product{private:vector<string> product;public:void add(string str){product.push_back(str);}void show(){vector<string>::iterator iter=product.begin();while(iter!=product.end()){cout<<*iter<<"  ";++iter;}cout<<endl;}};class Builder{public:virtual void builderA()=0;virtual void builderB()=0;virtual Product *getResult()=0;};class ConcreteBuilder1:public Builder{private:Product *product;public:ConcreteBuilder1(){product=new Product();}virtual void builderA(){product->add("one");}virtual void builderB(){product->add("two");}virtual Product *getResult(){return product;}};class ConcreteBuilder2:public Builder{private:Product *product;public:ConcreteBuilder2(){product=new Product();}virtual void builderA(){product->add("A");}virtual void builderB(){product->add("B");}virtual Product *getResult(){return product;}};class Director{public:void construct(Builder *bd){bd->builderA();bd->builderB();}};int main(){Director *director=new Director();Builder *bd1=new ConcreteBuilder1();director->construct(bd1);Product *pbd1=bd1->getResult();pbd1->show();Builder *bd2=new ConcreteBuilder2();director->construct(bd2);Product *pbd2=bd2->getResult();pbd2->show();return 0;}*/
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