问题描述
- 没有合适的默认构造函数可用
-
class Employee{ public:
Employee(const long n,const char N){};
virtual~Employee(){};const char getName(long n) const{};
const long getNumber() const{};
virtual double eamings() const=0;virtual void print() const{cout<<"编号:"<<number<<"姓名"<<*name<<endl;};
protected:
long number;char *name;
};
class Manager: public Employee{ public:
Manager(const long n,const char *N,double u=0.0)就这个括号后面有错。。。没有合适的默认构造函数可用{number=n,*name=*N,u=0;};
~Manager(){}
void setMonthlySalary(double n){number=n;};virtual double eamings() const{return 0;};
virtual void print() const{cout<<"编号:"<<number<<"姓名"<<*name<<"月薪"<<monthlySalary<<endl;};
private:
double monthlySalary;};
int main()
{ cout<<setiosflags(ios::fixed|ios::showpoint)<<setprecision(2) ;
Manager m1(10135,"Cheng ShaoHua", 1200) ;
Manager m2(10201,"Yan HaiFeng");
m2.setMonthlySalary ( 5300) ;
解决方案
1200是int,而参数要求double,你应该用1200.0
解决方案二:
其实是少定义了一个重载默认构造函数