策略模式就是准备一组算法，并将每一个算法封装起来，使得他们可以互换(这儿的关键就是算法的逻辑抽象，接口封装到一个类中，再通过委托的方式将具体的算法实现委托给具体的类来实现)
对称加密速度快加密大数据块文件特点，加密密钥和解密密钥是一样的
非对称加密，加密速度慢、加密强度高高，安全性特点，加密密钥和解密密钥不一样
#include
using namespace std;
class Strategy
{
public:
virtual void crypy() = 0;
};
class AES :public Strategy
{
public:
virtual void crypy()
{
cout strategy = strategy;
}
void myoperator()
{
strategy->crypy();
}
private:
Strategy *strategy;
};
void main()
{
//
DES *des = new DES;
des->crypy();
delete des;
Strategy*strategy = NULL;
strategy= new DES;
Context *context = new Context;
context->setStrategy(strategy);
context->myoperator();
delete strategy;
delete context;
system("pause");
return;
}中介者模式就是定义一个中介对象，未封装系列对象之间的交互，终结者是各个对象不需要显示的相互调用，从而使其耦合性松散，而且可以独立的改变他们之间的交互
中介者问题抛出
#include
using namespace std;
#include"string"
class Person
{
public:
Person(string name, int sex, int condi)
{
m_name=name;
m_sex=sex;
m_condi = condi;
}
string getName()
{
return m_name;
}
int getSex()
{
return m_sex;
}
int getCondi()
{
return m_condi;
}
protected:
string m_name;
int m_sex;
int m_condi;
};
class Women :public Person
{
public:
Women(string name, int sex, int condi) :Person(name, sex, condi)
{
}
virtual void getParter(Person*p)
{
if (this->m_sex == p->getSex())
{
cout getCondi() == p->getCondi())
{
cout getName() getName() getName() getName() m_sex == p->getSex())
{
cout getCondi() == p->getCondi())
{
cout getName() getName() getName() getName() getParter(zhangsan);
xiaofang->getParter(lisi);
system("pause");
return;
}中介者代码实现
#include
using namespace std;
#include"string"
class Person
{
public:
Person(string name, int sex, int condi, Mediator*m)
{
m_name = name;
m_sex = sex;
m_condi = condi;
mediator = m;
}
string getName()
{
return m_name;
}
int getSex()
{
return m_sex;
}
int getCondi()
{
return m_condi;
}
protected:
string m_name;
int m_sex;
int m_condi;
Mediator mediator;
};
class Mediator//中介这的抽象父类
{
public:
virtual void getParter() = 0;
void setMan(Person*pMan)
{
pMan = man;
}
void setWomen(Person*pMan)
{
pWomen = women;
}
public:
virtual void getParter()
{
if (pWomen->getSex() == pMan->getSex())
{
cout getCondi() == pMan->getCondi())
{
cout getName() getName() getName() getName() setMan(p);
mediator->setWomen(this);
mediator->getParter();
}
};
class Man :public Person
{
public:
Man(string name, int sex, int condi, Mediator*m) :Person(name, sex, condi,m)
{
}
public:
virtual void getParter(Person*p)
{
mediator->setMan(this);
mediator->setWomen(p);
mediator->getParter();
}
};
void main()
{
Mediator *m = new Mediator;
Person *xiaofang = new Women("小芳", 2, 5,m);
Person *zhangsan = new Man("张三", 1, 4,m);
Person *lisi = new Man("李四", 2, 5,m);
xiaofang->getParter(zhangsan);
xiaofang->getParter(lisi);
system("pause");
return;
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