学生类

#include<iostream>

#include<string>

using namespace std;

class date

{

public:

/*

date()//构造

{

yy=2000;

mm=5;

dd=4;

cout<<"date constructor..."<<endl;

}

*/

date(int y=2000,int m=5,int d=4)//构造

{

yy=y;

mm=m;

dd=d;

cout<<"date  constructor two..."<<endl;

}

date(date &rd)//拷贝构造

{

yy=rd.yy;

mm=rd.mm;

dd=rd.dd;

cout<<"date  copy  constructor..."<<endl;

}

~date()

{

cout<<"date destructor..."<<endl;

}

void show()

{

cout<<"brithday:year/month/day"<<yy<<"/"<<mm<<"/"<<dd<<endl;

}

private:

int yy;

int mm;

int dd;

};

class student

{

public:

    /*

student()

{

m_num=201720180101;

m_name="zhang";

cout<<"student  constructor..."<<endl;

}

*/

student(string n,string s,int y,int m,int d):m_bri(y,m,d)

{

m_num=n;

m_name=s;

cout<<"student constructor two..."<<endl;

}

student(string n,string s,date &rd):m_bri(rd)

{

m_num=n;

m_name=s;

cout<<"student constructor three..."<<endl;

}

student(student &rs)//拷贝构造

{

m_num=rs.m_num;

m_name=rs.m_name;

cout<<"student  copy  constructor..."<<endl;

}

~student()//析构

{

cout<<"student destructor..."<<endl;

}

void printinfo()

{

cout<<"number:"<<m_num<<"    name:"<<m_name<<"    ";

m_bri.show();

}

private:

string  m_num;

string  m_name;

date m_bri;

};

int main()

{

student s1("201720180101","zhou",1996,1,1);

s1.printinfo();

date tday(2018,4,16);

student s2("201720181601","wang",tday);

s2.printinfo();

//student s3();

//s3.printinfo();

return 0;

} 

学生类