第四周实验报告2（时间增减）

曾经终败给现在 2022-06-13 00:19 182阅读 0赞

//time.h
    #include<iostream> 
    using namespace std;  
    
    
    class Time    
    {    
    public:    
        void set_time( );    
          
        void show_time( );  
          
        inline void add_a_sec();  //增加1秒钟   
          
        inline void add_a_minute(); //增加1分钟    
      
        inline void add_an_hour(); //增加1小时   
          
        void add_seconds(int n); //增加n秒钟   
          
        void add_minutes(int n); //增加n分钟   
          
        void add_hours(int n); //增加n小时    
            
    private:     
        bool is_time ( int, int, int );    
      
        int hour;   
          
        int minute;    
      
        int sec;  
          
        int hour1;    
      
        int minute1;  
          
        int sec1;    
      
    };
    inline void Time::add_a_sec()  //增加1秒钟    
    {    
       sec = sec+1;  
      
       if(sec>60||sec==60)  
        {  
            minute = minute+(sec/60);  
      
            sec = sec%60;  
        }  
         
    }    
        
    inline void Time::add_a_minute() //增加1分钟    
    {    
        minute = minute+1;  
      
        if(minute>60||minute == 60)  
        {  
            hour = hour+(minute/60);  
      
            minute = minute%60;  
        }  
      
      
    }    
        
    inline void Time::add_an_hour() //增加1小时    
    {    
        hour = hour+1;  
    
    if (hour>23)  
    
    {  
    
    hour=hour%24;  
    
       }  
          
    }    
    //time.cpp
    #include<iostream>
    using namespace std;
    #include"time.h"    
    void Time :: set_time()     
    {    
        char c1,c2;    
      
        cout << "请输入时间 ( 格式 hh:mm:ss ) ";  
          
        while(1)    
        {    
            cin >> hour >> c1 >> minute >> c2 >> sec;    
            hour1 = hour;  
              
            minute1 = minute;  
              
            sec1 = sec;  
              
            if (c1 != ':' || c2 != ':')   
                  
                cout << "格式不正确，请重新输入" << endl;    
      
            else if (!is_time(hour,minute,sec))    
      
                cout << "时间非法，请重新输入" << endl;    
            else     
                break;    
        }    
    }    
        
    void Time::show_time( )          
    {    
        cout << hour << ":" << minute << ":" << sec << endl;    
    }    
        
    bool Time::is_time ( int h,int m, int s )    
    {    
        if (h<0 ||h>24 || m<0 ||m>60 || s<0 ||s>60)    
      
            return false;    
      
        return true;    
    }    
        
    
      
      
    void Time::add_seconds(int n)//增加n秒钟    
    {    
        sec = sec+n;  
      
      if(sec>60||sec==60)  
        {  
            minute = minute + (sec/60);  
            sec = sec%60;  
        }  
         
    }    
        
    void Time::add_minutes(int n) //增加n分钟    
    {    
      minute = minute + n;  
      
    if(minute > 60||minute == 60)  
        {  
            hour = hour + ( minute/60 );  
      
            minute = minute % 60;  
        }  
      
       
    }    
        
    void Time::add_hours(int n) //增加n小时    
    {    
        hour = hour + n;  
    
    if (hour>23)  
    
    {  
    
    hour=hour%24;  
    
    }  
    }
    //main.cpp
    #include<iostream>
    using namespace std;
    #include"time.h"    
    int main( )    
    {    
        int x,y,z;  
      
        Time t1;  
      
        Time&t2 = t1;  
      
        t1.set_time( );  
      
        t2.show_time ( );
    
        t1.add_a_sec() ; //增加1秒钟
    
        cout<<"增加一秒后的时间为：";        
        t2.show_time( );        
        t1.add_a_minute( ); //增加1分钟       
        cout<<"增加一分钟后的时间为：";        
        t2.show_time( );        
        t1.add_an_hour( ); //增加1小时      
        cout<<"增加一小时后的时间为：";        
        t2.show_time( );        
    
    	
          
        cout << "请输入要增加的时分秒：" << endl;    
        
        cin >> x >> y >> z;    
        
        t1.add_seconds ( z );    
        
        t1.add_minutes ( y );    
        
        t1.add_hours ( x );    
        
        t2.show_time ();  
          system("PAUSE");
          
          
          
        return 0;    
    }

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上机感言：

inline函数一定要和类在一个文件中，都放在头文件中。要记住了，昨晚害我到十二点啊。。。

[0_1331738386JGP7.gif]: /images/20220613/77e64af851ab4df89bceb638cf9b3e37.png