中介者模式 C++ 实现

#include<iostream>
#include<string>
#include<vector>
#include<cstdlib>

using namespace std;
/*
  mediator 模式
  问题：重在理解，结构图见网络。
*/
class colleage
{
  private:
        string name;
        string content;
  public:
        colleage(string n = " "):name(n)
        {}
        void set_name(string name)
        {
            this->name = name;
        }      

        string get_name()
        {
          return this->name;
        }

        void set_content(string content)
        {
              this->content = content;
        }

        string get_content()
        {
          return this->content;
        }

        virtual void talk()
        {

        }
};

class monitor: public colleage
{
  public:
  monitor(string n = " "):colleage(n)
  {

  }

  void talk()
  {
    cout <<"monitor says:"<<get_content()<< endl;
  }

};

class tuanzishu: public colleage
{
   public:
   tuanzishu(string n = " "):colleage(n)
   {

   }  

   void talk()
   {
     cout <<"tuanzishu say:"<<get_content()<< endl;
   }  

};

class studentA: public colleage
{ public:
  studentA(string n = " "):colleage(n)
  {

  }

  void talk()
  {
    cout <<"studentA say:"<< get_content()<< endl;
  }

};

class studentB: public colleage
{ public:
  studentB(string n = " "):colleage(n)
  {

  }

  void talk()
  {
    cout <<"studentB say:"<<get_content()<< endl;
  }    

};

class mediator
{
  public:
        vector<colleage*> studentlist;
        virtual void add_students(colleage *student)
        {
          studentlist.push_back(student);
        }

};

class QQmediator: public mediator
{
  public:
      virtual void notify(colleage *student)
      {
            student->talk();
            for(int i = 0; i < studentlist.size(); i++)
            {
               if(student != studentlist[i])
                  {
                     studentlist[i]->talk();
                }
             }
      }
      virtual void chart(colleage *student1, colleage *student2)
      {
        student1->talk();
        student2->talk();
      }

};

int main()
{//初始化
  QQmediator qq;
  monitor studentmonitor("banzhang");
  tuanzishu studenttuanzishu("tuanzishu");
  studentA studentXM("xiaoming");
  studentB studentXH("xiaohong");

  //向中介者中添加同学 

  qq.add_students(&studentmonitor);
  qq.add_students(&studenttuanzishu);
  qq.add_students(&studentXM);
  qq.add_students(&studentXH);

  //设置各位同学的回复 

  studentmonitor.set_content("班会现在开始，请大家积极发言。");
  studenttuanzishu.set_content("班会主题是XXXXX");
  studentXM.set_content("我认为XXXXX");
  studentXH.set_content("我不认为XXXX");

  //班长通知后开始 

  cout <<"班长发布一个通知后的情景："<< endl;
  qq.notify(&studentmonitor); 

  //同学私聊

  cout <<"同学私聊的情景："<< endl;
  studentXM.set_content("你觉得今天的班会怎么样？");
  studentXH.set_content("一般般吧，还是老样子，没解决什么问题");
  qq.chart(&studentXM,&studentXH);

  system("pause");
  return 0;
}

总结： 无。详见参考：点击打开链接