学C++第一个项目实现

aaaa项目的实现

//Date.h文件

#ifndef _Date_H
#define _Date_H
class Date
{

public:
Date();
Date(int year,int month,int day);
void print()const;

private:
int _year;
int _month;
int _day;
};

#endif

//Date.cpp文件

#include "stdafx.h"
#include "Date.h"
#include "process.h"
Date::Date(){

}

Date::Date(int year,int month,int day){

_year=year;
_month=month;
_day=day;
}

void Date::print()const{

printf("出生日期是：%d—%d—%d",_year,_month,_day);
}

//Person.h

#include "Date.h"
#ifndef _Person_H
#define _Person_H
class Person{
public:

Person();

Person(char* name,char* email_address,int year,int month,int day );

public:
char* get_Name()const;

char* get_email_address()const;

Date getBirthDate()const;

void print()const;
private:
char* _name;
char* _email_address;
Date date;

};

#endif

//Person.cpp文件

#include "stdafx.h"
#include "Person.h"
#include "Date.h"
Person::Person(){

}

Person::Person(char* name,char* email_address,int year,int month,int day )
:date(year,month,day){

_name=name;
_email_address=email_address;
}

char* Person::get_Name()const{
return _name;
}

char* Person::get_email_address()const{
return _email_address;
}

Date Person::getBirthDate()const{
return date;
}

void Person:: print()const{

printf("姓名：%s,邮箱：%s",_name,_email_address);
printf(",");
date.print();
}

//PersonSet.h文件

#ifndef _PersonSet_H
#define _PersonSet_H
#include "Person.h"

class PersonSet{

public:
PersonSet(int initial_size);

~PersonSet();


public:
void add(Person& element);

Person& nextElement();

Person& removeElement();
Person& removeElement(int index);

int size();
void print();

void reset();
private:

Person** _elements;
int _capacity;
int _size;
int _index;

};

#endif

//PersonSet.cpp文件

#include "stdafx.h"
#include "PersonSet.h"
#include "Person.h"
#include "Date.h"
PersonSet::PersonSet(int i_size){
_size=0;
_capacity=i_size;
_index=1;
_elements=new Person*[_capacity];
}

PersonSet::~PersonSet(){
delete [] _elements;

}
void PersonSet::add(Person& element){
if(_size==_capacity){

Person** temp= _elements;
_elements=new Person*[_capacity*2];

for(int i=0;i<_size;i++){
_elements[i]=temp[i];
}

_capacity*=2;
delete []temp;
}


_elements[_size++]=&element;
_index=_size;


}


Person& PersonSet::nextElement() {

return *(_elements[(_index)++]);
}

Person& PersonSet::removeElement(){

_size--;

Person* p = _elements[_size];

if(_size<_capacity/2){

Person** temp=_elements;
_elements=new Person*[_capacity/2];
for(int i=0;i<_size;i++){
_elements[i]=temp[i];
}
_capacity/=2;
delete [] temp;
}

return *p;
}

Person& PersonSet::removeElement(int index){

_size--;
Person* p = _elements[index];

if(_size<_capacity/2){

Person** temp=_elements;
_elements=new Person*[_capacity/2];
for(int i=0;i<_size;i++){
_elements[i]=temp[i];
}
_capacity/=2;
delete [] temp;
}

return *p;
}

int PersonSet:: size(){
return _size;
}

void PersonSet::print(){

for(int i=0;i<_size;i++){
// printf("%s%s\n",(*_elements[i]).get_Name(),(*_elements[i]).get_email_address());
(*_elements[i]).print();
printf("\n");
}
}

void PersonSet::reset(){

_index=0;

}