2023年8月24日，周四凌晨
#include<iostream>
class CarType{
public:
virtual std::string getType()=0;
};
class MiniCar:public CarType{
public:
std::string getType() override{
return "小型车";
};
};
class MidSizeCar:public CarType{
public:
std::string getType() override{
return "中型车";
};
};
class HeavyCar:public CarType{
public:
std::string getType() override{
return "重型车";
};
};
class CarTypeFactory{
public:
CarType* createCarType(int weight){
if(weight<5){
return new MiniCar();
}else if(weight<10){
return new MidSizeCar();
}else{
return new HeavyCar();
}
return nullptr;
}
};
int main(){
int weight;
CarType *carType;
CarTypeFactory *factory=new CarTypeFactory();
while(1){
std::cout<<"请输入汽车的重量（吨）：";
std::cin>>weight;
carType=factory->createCarType(weight);
std::cout<<carType->getType()<<std::endl;
}
}
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