设计模式之工厂方法

发布一个k8s部署视频：https://edu.youkuaiyun.com/course/detail/26967

课程内容：各种k8s部署方式。包括minikube部署，kubeadm部署，kubeasz部署，rancher部署，k3s部署。包括开发测试环境部署k8s，和生产环境部署k8s。

腾讯课堂连接地址https://ke.qq.com/course/478827?taid=4373109931462251&tuin=ba64518

第二个视频发布  https://edu.youkuaiyun.com/course/detail/27109

腾讯课堂连接地址https://ke.qq.com/course/484107?tuin=ba64518

介绍主要的k8s资源的使用配置和命令。包括configmap，pod，service，replicaset，namespace，deployment，daemonset，ingress，pv，pvc，sc，role，rolebinding，clusterrole，clusterrolebinding，secret，serviceaccount，statefulset，job，cronjob，podDisruptionbudget，podSecurityPolicy,networkPolicy,resourceQuota，limitrange，endpoint，event，conponentstatus，node，apiservice，controllerRevision等。

第三个视频发布：https://edu.youkuaiyun.com/course/detail/27574

详细介绍helm命令，学习helm chart语法，编写helm chart。深入分析各项目源码，学习编写helm插件

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1示例类图

2c++实现

/*
 * factoryMethod.cpp
 *
 *  Created on: 2017年2月6日
 *      Author: admin
 */
#include "iostream"
#include "string"
using namespace std;


class Fruit{
public:
	virtual string getName()=0;
	virtual ~Fruit(){

	}
};

class FruitFactory{
public:
	virtual Fruit* createFruit()=0;
	virtual ~FruitFactory(){

	}
};



class Apple:public Fruit{
public:
	virtual string getName(){
		return "apple";
	}
	virtual ~Apple(){

	}
};

class Orange:public Fruit{
	virtual string getName(){
		return "Orange";
	}
	virtual ~Orange(){

	}
};

class AppleFactory:public FruitFactory{
	virtual Fruit* createFruit(){
		return new Apple();
	}
	virtual ~AppleFactory(){

	}
};

class OrangeFactory:public FruitFactory{
	virtual Fruit* createFruit(){
		return new Orange();
	}
	virtual ~OrangeFactory(){

	}
};

int main(){
	FruitFactory* factory=new OrangeFactory;
	Fruit* fruit=factory->createFruit();
	cout<<fruit->getName()<<endl;
	delete fruit;
	delete factory;

	factory=new AppleFactory;
	fruit=factory->createFruit();
	cout<<fruit->getName()<<endl;
	delete fruit;
	delete factory;

}