//圖書的管理：實現對圖書的增刪改查
//借閱者的管理：實現對借閱者信息的管理


#include
#include
#include
#include
using?namespace?std;

class?BookDatabase;

BookDatabase?*point;???//頭指針

int?booknumber=0;?????//執行過的圖書總數
int?bookdelete=0;?????//被刪除的圖書總數



class?Book{??//完成對圖書信息的操作
	string?title;??//名稱
	int?coding;????//編號
	double?price;??//單價
	string?writer;?//作者
	int?state;?????//是否存在圖書館
	int?exist;??????//是否被刪除
public:
	Book（）;???//構造函數
	Book（string?tiint?codouble?prstring?wrint?stint?ex）;??//構造函數
	~Book（）{}??????????//析構函數
	void?ShowBook（）;???//打印出有關圖書的信息?
	void?Gettitle（）;???//私有成員通過函數為接口
	string*?Readtitle（）;
	string?Outputtitle（）;
	void?GetCoding（）;
????int*?ReadCoding（）;
????int?OutputCoding（）;
	void?GetPrice（）;
	double*?ReadPrice（）;
	double?OutputPrice（）;
	void?GetWriter（）;
	string*?ReadWriter（）;
	string?OutputWriter（）;
	void?GetState（）;?
	int*?ReadState（）;
	int*?ReadExist（）;??????
	int?OutputState（）;
	int?OutputExist（）;
	void?ChangeExist（）;???????//刪除圖書室改變狀態參數
	void?ChangeState（int?a）;????//借出圖書時改變狀態參數
};



Book::Book（）{??????????????//構造函數
	title=“#“;
	coding=0;
	price=0;
	writer=“#“;
	state=1;
	exist=1;???//存在，沒有被刪除
}

Book::Book（string?tiint?codouble?prstring?wrint?stint?ex）{???????//構造函數
	title=ti;
	coding=co;
	price=pr;
	writer=wr;
	state=st;
	exist=ex;
}

void?Book::ShowBook（）{????//打印出有關圖書的信息??
	if（exist==1）????//判斷圖書是否被刪除
	{
	????cout<<“----------------------------“<		cout<<“----------------------------“<?????	cout<<“title:?“<tle<????	cout<<“coding:?“<????	cout<<“price:?“<	????cout<<“writer:?“<????	if（state==1）?cout<<“state:?It?still?exists?in?the?library“<	????if（state==0）?cout<<“state:?It?has?been?lent“<	}
}

void?Book::Gettitle（）{??????????
	cout<<“title:?“;
	cin>>title;?
	cout<}

string*?Book::Readtitle（）{
	return?&title;
}

string?Book::Outputtitle（）{
	return?title;
}

void?Book::GetCoding（）{
	cout<<“coding:?“;
	cin>>coding;
	cout<}

int*?Book::ReadCoding（）{
	return?&coding;
}

int?Book::OutputCoding（）{
	return?coding;
}

void?Book::GetPrice（）{
	cout<<“price:?“;
	cin>>price;
	cout<}

double*?Book::ReadPrice（）{
	return?&price;
}

double?Book::OutputPrice（）{
	return?price;
}

void?Book::GetWriter（）{
	cout<<“writer:?“;
	cin>>writer;
	cout<}

string*?Book::ReadWriter（）{
	return?&writer;
}

string?Book::OutputWriter（）{
	return?writer;
	}

void?Book::GetState（）{
	cout<<“state（if?still?exist?in?the?library?input?1;?if?has?been?lent?input?0）:??“;
	cin>>state;
	cout<}

int*?Book::ReadState（）{
	return?&state;
}

int*?Book::ReadExist（）{
	return?∃
}

int?Book::OutputState（）{
	return?state;
}

int?Book::OutputExist（）{
	return?exist;
}

void?Book::ChangeExist（）{?????//刪除圖書室改變狀態參數
	exist=0;
}

void?Book::ChangeState（int?a）{???//借出圖書時改變狀態參數
	if

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件?????602189??2018-06-19?09:02??homewo\Debug\homewo.exe

?????文件?????847132??2018-06-19?09:02??homewo\Debug\homewo.ilk

?????文件?????438869??2018-06-19?09:08??homewo\Debug\homewo.obj

?????文件????2214560??2018-06-17?19:35??homewo\Debug\homewo.pch

?????文件????1172480??2018-06-19?09:02??homewo\Debug\homewo.pdb

?????文件??????82944??2018-06-19?09:08??homewo\Debug\vc60.idb

?????文件?????118784??2018-06-19?09:08??homewo\Debug\vc60.pdb

?????文件??????16757??2018-06-19?10:14??homewo\homewo.cpp

?????文件???????3401??2018-06-19?09:02??homewo\homewo.dsp

?????文件????????535??2018-06-19?10:14??homewo\homewo.dsw

?????文件??????58368??2018-06-19?10:14??homewo\homewo.ncb

?????文件??????48640??2018-06-19?10:14??homewo\homewo.opt

?????文件????????671??2018-06-19?09:08??homewo\homewo.plg

?????文件????????134??2018-06-19?09:29??homewo\information.txt

?????文件????????102??2018-06-17?23:44??homewo\草稿.txt

?????目錄??????????0??2018-08-22?19:29??homewo\Debug

?????目錄??????????0??2018-08-22?19:29??homewo

-----------?---------??----------?-----??----

??????????????5605566????????????????????17