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[TOC]
#虛函數(shù)和多態(tài)
###代碼示例:
class Person
{
public:
virtual void Buyticket()
{
cout << "買票—全價" << endl;
}
protected:
char* _name;
};
class Person
{
public:
virtual void Buyticket()
{
cout << "買票—全價" << endl;
}
protected:
char* _name;
};
class Student : public Person
{
public:
virtual void Buyticket()
{
cout << "買票—半票" << endl;
}
protected:
char* _name;
};
##多態(tài)
###定義:一個對象呈現(xiàn)多種形態(tài)
###代碼示例:
class Person
{
public:
virtual void Buyticket()
{
cout << "買票—全價" << endl;
}
protected:
char* _name;
};
class Student : public Person
{
public:
virtual void Buyticket()
{
cout << "買票—半票" << endl;
}
protected:
char* _name;
};
void Fun(Person &p)//一個函數(shù)實現(xiàn)兩種形態(tài)
{
p.Buyticket();
}
int main()
{
Person p;
Student s;
Fun(p);
Fun(s);
system("pause");
return 0;
}
看看多態(tài)的結(jié)果:
多態(tài)的的特性:
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