代码语言：javascript复制
#include<iostream>
using namespace std;
//多态实现计算器
class Culculator {
public:
int num1;
int num2;
char ch;
virtual int GetResult(char ch,int num1,int num2) = 0;
};
class Add:public Culculator{
public:
int GetResult(char ch,int num1,int num2) {
this->num1 = num1;
this->num2 = num2;
if (ch == ' ')
return (num1 num2);
}
};
class Minus :public Culculator {
public:
int GetResult(char ch,int num1,int num2)
{
this->num1 = num1;
this->num2 = num2;
if (ch == '-')
return (num1 - num2);
}
};
class Mul :public Culculator {
public:
int GetResult(char ch, int num1, int num2) {
this->num1 = num1;
this->num2 = num2;
if (ch == '*')
return (num1 *num2);
}
};
class Div :public Culculator {
public:
int GetResult(char ch,int num1,int num2) {
this->num1 = num1;
this->num2 = num2;
if (ch == '/')
return (num1/num2);
}
};
void ReturnResult(Culculator* cul)
{
int result=cul->GetResult('*',10,5);
cout << "结果为" << result << endl;
delete cul;
}
int main()
{
ReturnResult(new Mul);
system("pause");
return 0;
}
