C++ 实现多继承和组合

淩亂°似流年 2022-05-24 01:26 267阅读 0赞

## 设计一个计算机系统类，由软件和硬件组合而来 ##

使用c++的继承和组合

## 思路 ##

1.  首先定义一个硬件和软件类，包含各自的数据成员和成员函数
2.  采用多继承实现计算机系统类
3.  采用组合实现计算机系统
4.  最后 在main()中进行测试

--------------------

#include <iostream>
    #include <string.h>
    
    using namespace std;
    
    class CHard
    {
        public :
            CHard(char *bn)
            {
                strcpy(bodyname, bn);
            }
            CHard(CHard &h)
            {
                strcpy(bodyname, h.bodyname);
            }
            void Disp()
            {
                cout<<"bodyname :"<<bodyname<<endl;
            }
        protected:
            char bodyname[24];
    };
    
    
    class CSoft
    {
        public :
            CSoft(char *s, char *l)
            {
                strcpy(os, s);
                strcpy(lang, l);
            }
            CSoft(CSoft &h)
            {
                strcpy(os, h.os);
                strcpy(lang, h.lang);
            }
            void Disp()
            {
                cout<<"lang :"<<lang<<endl;
                cout<<"os :"<<os<<endl;
            }
        protected:
            char os[24];
            char lang[16];
    };
    
    class CSystem:public CHard, public CSoft
    {
        public :
            CSystem(char *ow, char *bn, char *s, char *l):CHard(bn),CSoft(s,l)
            {
                strcpy(owner, ow);
            }
            CSystem(char *ow, CHard h, CSoft s):CHard(h),CSoft(s)
            {
                strcpy(owner, ow);
            }
            void Disp();
        private:
            char owner[16];
    };
    void CSystem::Disp()
    {
        cout<<"Owner :"<<owner<<endl;
        CHard::Disp();
        CSoft::Disp();
    }
    
    class CSystem2
    {
        public :
            CSystem2(char *ow, CSoft &soft, CHard &hard);
            void Disp();
        private:
            char owner[16];
            CHard h;
            CSoft s;
    };
    void CSystem2::Disp()
    {
        cout<<"Owner :"<<owner<<endl;
        h.Disp();
        s.Disp();
        cout<<ends;
    }
    CSystem2::CSystem2(char *ow,CSoft& soft, CHard& hard):h(hard),s(soft)
    {
        strcpy(owner, ow);
    }
    
    int main()
    {
        CSystem sys("zhangsan", "legend", "windows 7", "C++ language");
        sys.Disp();
        cout<<"组合方式 :"<<endl;
        CHard h("IBM");
        CSoft s("Linux", "Java");
        CSystem2 sys2("lisi",s,h);
        sys2.Disp();
        return 0;
    }