第四章学生类

#include<iostream>#include<string>using namespace std;class student;class teacher{public:teacher(string i,string j){name=i;number=j;}void show(student&);void input(student&);private:string name;string number;};class student{public:student(string a,string b){Name=a;ID=b;}friend teacher;private:string Name;string ID;double English;double math;};void teacher::input(student& s){cout<<"请输入"<<s.Name<<"学生的英语成绩：";cin>>s.English;cout<<"请输入"<<s.Name<<"学生的数学成绩：";cin>>s.math;}void teacher::show(student& s){cout<<"学生："<<s.Name<<endl;cout<<"学号："<<s.ID<<endl;cout<<"英语成绩："<<s.English<<endl;cout<<"数学成绩："<<s.math<<endl;}int main(){student stu1("chenhuaqing","201411671202");student stu2("doubishi","201411671221");teacher tea1("mingge","0000");tea1.input(stu1);tea1.input(stu2);tea1.show(stu1);tea1.show(stu2);system("pause");}