C++进阶 -友元函数实现重载_hawkol_新浪博客

#include

#include

using namespace std;

class student

{

public:

student(){};

student(string n,int g,int a,char s)

{

name=n;

grade=g;

age=a;

sex=s;

}

friend ostream& operator<<(ostream& out,const student &stu)

{

out<<stu.name.c_str()<<"\t"<<stu.grade<<"\t"<<stu.age<<"\t"<<stu.sex;

return out;

}

friend istream& operator>>(istream& in,student &stu);

private:

string name;

int grade;

int age;

char sex;

};

istream& operator>>(istream& in,student &stu)

{

return in>>stu.name>>stu.grade>>stu.age>>stu.sex;

};

void main()

{

stringstream stu1("hawkol 12 46 m");

student stu2;

stu1>>stu2;

cout<<"stu msg is:"<<stu2<<endl;

}