建站网址平台,wordpress安装模板文件,网络优化策划书,网页设计基础知识试题意图#xff1a;用一个中介对象来封装一系列的对象交互。中介者使各对象不需要显式地相互引用#xff0c;从而使其耦合松散#xff0c;而且可以独立地改变它们之间的交互。 一般来说#xff0c;只有对于那种同事类之间是网状结构的关系#xff0c;才会考虑使用中介者模式。…意图用一个中介对象来封装一系列的对象交互。中介者使各对象不需要显式地相互引用从而使其耦合松散而且可以独立地改变它们之间的交互。 一般来说只有对于那种同事类之间是网状结构的关系才会考虑使用中介者模式。可以将网状结构变为星状结构使同事类之间的关系变的清晰一些。 class Mediator
{
public:Mediator(){}~Mediator(){}virtual void Notify() 0;
};class Colleague
{
public:Colleague(Mediator* mediator){this-mediator mediator;}virtual ~Colleague(){}protected:Mediator* mediator;
};class ColleagueProvidor: public Colleague
{
public:ColleagueProvidor(Mediator* mediator): Colleague(mediator){}~ColleagueProvidor(){}void ChangeProvidor(){coutColleagueProvidor::ChangeProvidor()endl;mediator-Notify();}
};class ColleagueConsumer: public Colleague
{
public:ColleagueConsumer(Mediator* mediator): Colleague(mediator){}~ColleagueConsumer(){}void ChangeConsumer(){coutColleagueConsumer::ChangeConsumer()endl;}
};class ConcreteMediator: public Mediator
{
public:ConcreteMediator(){}~ConcreteMediator(){}void Introduce(ColleagueProvidor* providor, ColleagueConsumer* consumer){this-providor providor;this-consumer consumer;}void Notify(){consumer-ChangeConsumer();}private:ColleagueProvidor* providor;ColleagueConsumer* consumer;
}; 转载于:https://www.cnblogs.com/lianghuiwen/archive/2013/05/05/3061906.html
