档.txt

关于电梯的程序

//   ElevatorClass.h   
  //   ------------第一个文件-----------   
  #ifndef   ELEVATORCLASS_H   
  #define   ELEVATORCLASS_H   
    
  #include   <iostream>   
  using   std::cin;   
  using   std::cout;   
  using   std::endl;   
  using   std::cerr;   
    
  //----   宣告类别   Elevator--------   
  class   Elevator   
  {     
      public:           
          Elevator();   //   预设建构函数   
          Elevator(int);   //   建构函数(可设定初值)   
          ~Elevator();     //   解构函数   
          void   Call(int);   
          void   Select(int);   
          static   int   Count;   //   static   变数   
      private:           
          int     CurrentFloor;           
          void   Move(int);   
  };   
    
  //   --设定   static   变数初始值---------   
  int       Elevator::Count     =   0;     
    
  #endif   
  //-----------------第二个文件-----------------------   
  //   ElevatorMain.cpp   
  //   --------------------------------------   
  #include   "ElevatorClass.h"   
    
  //-------主程式-------------------   
  main()   
  {   
  //   (1)   
        cout   <<   "(1)"   <<   endl;   
        Elevator   A;             //   定义电梯   A   
        cout   <<   "从   5   楼呼叫:"   <<   endl;       
        A.Call(5);               //   呼叫电梯   A   
        //   设定到   2   楼         
        A.Select(2);           //   设定电梯   A   
        cout   <<   "目前   Count的值是:   "     
                  <<   A.Count   <<   endl;   
  //   (2)   
        cout   <<   "(2)"   <<   endl;   
        Elevator   B(3);       //   定义电梯   B   
        cout   <<   "从   4   楼呼叫:"   <<   endl;       
        B.Call(4);               //   呼叫电梯   B   
        //   设定到   8   楼       
        B.Select(8);           //   设定电梯   B   
        cout   <<   "目前   Count   的值是:   "     
                  <<   B.Count   <<   endl;   
  }   
  //---------------第三个文件-----------------------   
  //   ElevatorDef.cpp   
  //   --------------------------------------   
  #include   "ElevatorClass.h"   
    
  //   定义预设建构函数   Account()     
  Elevator::Elevator()     
    {     
        cout   <<   "建构函数被呼叫"   <<   endl;   
        CurrentFloor   =   1;     
        Count++;     
    }   
    
  //   定义建构函数   Account()   (可设定初值)   
  Elevator::Elevator(int   N)     
    {     
        cout   <<   "建构函数被呼叫"   <<   endl;   
        CurrentFloor   =   N;     
        Count++;     
    }   
    
  //   定义解构函数   ~Elevator()   
  Elevator::~Elevator()     
    {   cout   <<   "解构函数被呼叫"   <<   endl;   
        Count--;   
    }   
    
  //   --定义成员函数   Call()--------   
  void   Elevator::Call(int   N)   
      {     
          Move   (N);   
          cout   <<   "电梯到了,   请进."   <<   endl;   
          return;   
      }   
        
  //   --定义成员函数   Select()--------   
  void   Elevator::Select(int   N)     
      {     
          cout   <<   "载您到   "   <<   N         <<   "   楼."     
                    <<   endl;   
          if   (N   >   CurrentFloor)   
          cout   <<   "电梯向上."       <<   endl;   
          else   
          cout   <<   "电梯向下."       <<   endl;           
          Move   (N);   
          cout   <<   "电梯已到   "   <<   CurrentFloor   
                    <<   "   楼,   谢谢光临."   <<   endl;   
      }   
    
  void   Elevator::Move(int   Target)   
      {     
          cout   <<   "电梯门要关了,   请小心."   <<   endl;   
          int   Start   =   CurrentFloor;   
          cout   <<   "电梯目前在   "   <<   CurrentFloor   
                <<   "   楼"                   <<   endl;   
          if   (Target   >=   CurrentFloor)   
              {     
              for   (CurrentFloor     =   Start;     
                    CurrentFloor   <=   Target;   CurrentFloor++)   
                      cout   <<   "     灯号:   "   <<   CurrentFloor   
                              <<   "   楼"           <<   endl;               
                  CurrentFloor--;   
              }   
          else   
              {     
              for   (CurrentFloor     =   Start;     
                    CurrentFloor   >=   Target;   CurrentFloor--)   
                      cout   <<   "     灯号:   "   <<   CurrentFloor   
                              <<   "   楼"           <<   endl;               
                  CurrentFloor++;   
              }   
          cout   <<   "电梯门要开了,   请小心."   <<   endl;   
          return;   
      }