第三周实验报告4求长方体的体积表面积

我就是我 2022-06-14 09:54 210阅读 0赞

#include <iostream>  
    
    using namespace std; 
     
    class Cft
    
    { 
    public:  
        void set_date();  
    
        void tj();  
    
        void show_volume(); 
    	
        void bmj(); 
    	
        void show_areas();  
    
    private:   
          
        double length;
    
    	double width;
    
    	double heigth;
    
    	double volume;
    
    	double areas; 
    };
      
    int main( )  
    {  
        Cft  n1, n2, n3; 
    
        n1.set_date();  
    
        n1.tj();  
    
        n1.show_volume();
    	
        n1.bmj();
    	
        n1.show_areas();
    
    	n2.set_date();
    	
        n2.tj();
    	
        n2.show_volume ();  
    	
        n2.bmj();
    	
        n2.show_areas();
    
    
    	n3.set_date(); 
    	
        n3.tj(); 
    	
        n3.show_volume();
    	
        n3.bmj(); 
    	
        n3.show_areas();
    	
        
    
        return 0;  
    }  
      
    void Cft::set_date( )   
    {  
          
       cout << "请输入长方形的长宽高：" << endl;  
    
        cin >> length >> width >> heigth;
    	
        
          
    }  
    void Cft::tj( )  
    {  
        volume = length* width * heigth;  
        
        
          
    }  
    void Cft::show_volume( )        
    {  
        cout<<"长方柱的体积为："<<volume<<endl;  
       
        
    }  
      
    void Cft::bmj( )  
    {  
        areas = 2*(length * width + length * heigth + width * heigth);  
        
          
    }  
      
    void Cft::show_areas( )        
    {  
        cout<<"长方柱的表面积为："<<areas<<endl;  
       
       
    }

![0_13312215593aXH.gif][]

程序中变量名一定不能和函数名相同啊

[0_13312215593aXH.gif]: /images/20220614/be763be224e042419e4c4c151f846a0a.png