//王二小
class er_xiao : virtual public Boss \
, virtual public xiao_er /*其实这里这个可以省去，但是这儿是为了写代码而写代码*/
{
public :
er_xiao() {
cout << "this is er_xiao's constructor !" << endl;
}
er_xiao(int i) : \
Boss(i) , xiao_er(i+1)
{
cout << "this is er_xiao's constructor !" \
<< " moneny=" << i << endl;
}
virtual ~ er_xiao() {
cout << "this is er_xiao's xigou function !"<<endl;
}
void show() {
cout << "我是王二小，为坏人带路的王二小 ！" << endl;
}
};
//天朝VIP员工
class VIP_em : virtual public Boss
{
public:
VIP_em(){
cout << "this is VIP_em's constructor !" << endl;
}
VIP_em(int i) : \
Boss(i)
{
cout << "this is VIP_em's constructor !" \
<< " moneny=" << i << endl;
}
virtual ~VIP_em() {
cout << "this is VIP_em's xigou function !" << endl;
}
void show() {
cout << "我是VIP , 我有特权！ "<<endl;
}
};
//熊孩子
class stupid_kid : virtual public VIP_em \
, virtual public xiao_er , \
virtual public er_xiao
{
public:
stupid_kid() {
cout << "this is stupid_kid's constructor !" << endl;
}
stupid_kid(int i) : \
VIP_em(i) , xiao_er(12) , er_xiao(13),xe(i)
{
cout << "this is stupid_kid's constructor !" \
<<" moneny="<<i<<endl;
}
~stupid_kid() {
cout << "this is stupid_kid's xigou function !"<<endl;
}
void show() {
cout << "我是熊孩子，蜀黍，蜀黍，抱抱！" << endl;
}
private :
VIP_em vi;
xiao_er xe;
er_xiao ex;
};
int main(){
stupid_kid st(100);
//父类的函数被覆盖了
st.show();
//如何调用父类，强制是一种。
((Boss)st).show();
//stupid_kid *pt = &st;
//stupid_kid &sb = st;
// pt->show();
//((Boss)sb).show();
return 0;
}
结果为：
this is Boss's constructor !
this is VIP_em's constructor ! moneny=100
this is xiao_er's constructor ! moneny=12
this is er_xiao's constructor ! moneny=13
-------------这部分为熊孩子的继承部分构造函数
下面是私有变量的构造函数
this is Boss's constructor !
this is VIP_em's constructor !
------私有变量 Vip_em调用无参数的构造函数
this is Boss's constructor ! moneny=100
this is xiao_er's constructor ! moneny=100
------私有变量 xiao_er调用有参数的构造函数
this is Boss's constructor !
this is xiao_er's constructor !
------私有变量 xiao_er调用无参数的构造函数
this is er_xiao's constructor !
this is stupid_kid's constructor ! moneny=100
我是熊孩子，蜀黍，蜀黍，抱抱！
宝剑磨砺，斩魂妖，时光磨砂，魔刃出
this is Boss's xigou function !
this is stupid_kid's xigou function !
this is er_xiao's xigou function !
this is xiao_er's xigou function !
this is Boss's xigou function !
this is xiao_er's xigou function !
this is Boss's xigou function !
this is VIP_em's xigou function !
this is Boss's xigou function !
this is er_xiao's xigou function !
this is xiao_er's xigou function !
this is VIP_em's xigou function !
this is Boss's xigou function !
请按任意键继续. . .
6、 从上述代码可以不难看出， 虚内继承，避免了二义性，仅仅压缩了公有的你虚类继承类。
如果要弄清楚虚拟继承，就得先知道virtual table （vtbl） ----我们说的虚函数表
在内存那块， 会留 下一块连续的内存块，用作vtble存储JMP地址，而vtble里头存的便是virtual function（虚函数）地址，