版权声明:博客注明来源即可。 https://blog.csdn.net/u014027680/article/details/83005161
来源:我的博客站 OceanicKang |《C++ 多继承和虚继承》
- 虚继承:为了防止派生类进行多继承时,构造函数传参二义性
#include <iostream>
class Jiaju
{
public:
Jiaju(int length, int width, int height) {
this -> length = length;
this -> width = width;
this -> height = height;
}
virtual ~Jiaju() {}
void showSize() {
std::cout << "家具 \n 长:" << this -> length << "\n 宽:" << this -> width << "\n 高:" << this -> height << std::endl;
}
protected:
int length;
int width;
int height;
};
class ShaFa : virtual public Jiaju
{
public:
ShaFa(int length, int width, int height) : Jiaju(length, width, height) {
this -> length = length;
this -> width = width;
this -> height = height;
}
~ShaFa() {}
void shafa_showSize() {
std::cout << "沙发 \n 长:" << this -> length << "\n 宽:" << this -> width << "\n 高:" << this -> height << std::endl;
}
};
class Chuang : virtual public Jiaju
{
public:
Chuang(int length, int width, int height) : Jiaju(length, width, height) {
this -> length = length;
this -> width = width;
this -> height = height;
}
~Chuang() {}
void chuang_showSize() {
std::cout << "床 \n 长:" << this -> length << "\n 宽:" << this -> width << "\n 高:" << this -> height << std::endl;
}
};
class ShaFaChuang : public ShaFa, public Chuang
{
public:
ShaFaChuang(int length, int width, int height) : ShaFa(length, width, height), Chuang(length, width, height), Jiaju(length, width, height) {
this -> length = length;
this -> width = width;
this -> height = height;
}
~ShaFaChuang() {}
void shafachuang_showSize() {
std::cout << "shafa床 \n 长:" << this -> length << "\n 宽:" << this -> width << "\n 高:" << this -> height << std::endl;
}
};
int main()
{
ShaFaChuang shafachuang(100, 200, 300);
shafachuang.showSize();
shafachuang.shafa_showSize();
shafachuang.chuang_showSize();
shafachuang.shafachuang_showSize();
return 0;
}