【C++】图书管理系统（含全部源代码）

图书管理系统概述
一、数据需求
（1）出版社：出版社编号、出版社名称、出版社负责人、出版社简介，出版社下设出片分社，出版分社专注于某一个技术领域出版图书。
（2）图书：书名、书号、作者编号、出版日期、出版社编号、图书内容简介、图书价格。
（3）作者：作者编号、作者姓名、出生日期、性别、作者单位、作者简介。
1.2功能需求
1.2.1出版社管理
增加出版社信息
修改出版社信息
删除出版社信息
浏览出版社信息
1.2.2图书管理
增加图书信息
修改图书信息
浏览图书信息
删除图书信息
查询图书信息
1.2.3作者信息管理
增加作者信息
修改作者信息
删除作者信息
浏览作者信息

#include
#include
#include
using namespace std;
class press {
public:
	int num;
	char name[100];
	char principal[100];//负责人
	char introduce[100];
public:
	void setValue(int n, char *na, char *pri, char *intr)
	{
		num = n;
		strcpy(name, na);
		strcpy(principal, pri);
		strcpy(introduce, intr);
	}
	void setNum(int n)
	{
		num = n;
	}
	void setName(char *na)
	{
		strcpy(name, na);
	}
	void setPrincipal(char *pri)
	{
		strcpy(principal, pri);
	}
	void setIntroduce(char *intr)
	{
		strcpy(introduce, intr);
	}
	int getNum()
	{
		return num;
	}
	char *getName()
	{
		return name;
	}
	char *getPrincipal()
	{
		return principal;
	}
	char *getIntroduce()
	{
		return introduce;
	}
};
class pressList {
private:
	press preData[100];
	int Num;
public:
	pressList()
	{
		Num = 0;
	}
	void savePressDataToFile()
	{
		ofstream f2;
		fstream file("PressData.dat", ios::in);
		f2.open("PressData.dat", ios::binary);
		if (!f2)
		{
			cout << "Save Data Error!" << endl;
			return;
		}
		for (int i = 0; i < Num; i++)
		{
			f2.write((char*)&preData[i], sizeof(press));
		}
		f2.close();
	}
	void LoadPressDataFromFile()
	{
		ifstream f2;
		f2.open("PressData.dat", ios::binary);
		Num = 0;
		if (!f2)
		{
			return;
		}
		while (1)
		{
			f2.read((char*)&preData[Num], sizeof(press));
			if (f2.eof())
				break;
			Num++;
		}
		f2.close();
	}
	void addPress()
	{
		int num;//出版社编号
		char name[100];//出版社名称
		char principal[100];//出版社负责人
		char introduce[100];//出版社简介
		cout << "出版社编号：";
		cin >> num;
		cout << "出版社名称：";
		cin >> name;
		cout << "出版社负责人：";
		cin >> principal;
		cout << "出版社简介：";
		cin >> introduce;
		preData[Num].setValue(num, name, principal, introduce);
		Num++;
	}
	void print()
	{
		for (int i = 0; i < Num; i++)
		{
			cout << "出版社编号：" << preData[i].getNum() << endl;
			cout << "出版社名称：" << preData[i].getName() << endl;
			cout << "出版社负责人：" << preData[i].getPrincipal() << endl;
			cout << "出版社简介：" << preData[i].getIntroduce() << endl;
			cout << "-----------------------------"<<endl;
		}
	}
	char *getName(int num)
	{
		for (int i = 0; i < Num; i++)
			if (preData[i].getNum() == num)
				return preData[i].getName();
	}
	int findpresses()                                //查找出版社,这个函数用于出版社维护  
	{
		int num;
		cout << "请输入您要查找的出版社编号: ";
		cin >> num;
		for (int i = 0; i <= Num; i++)
		{
			if (preData[i].num == num )
			{
				cout << "出版社编号: " << preData[i].num << " 出版社名称: " << preData[i].name << " 出版社负责人: " << preData[i].principal << " 出版社简介: " << preData[i].introduce << endl;
				return i;
			}
		}
		return 1000;
	}
	int cz(int num)  //查找
	{
		for (int i = 0; i < Num; i++)
		{
			if (preData[i].num == num )
			{
				cout << "出版社编号: " << preData[i].num << " 出版社名称: " << preData[i].name << " 出版社负责人: " << preData[i].principal << " 出版社简介: " << preData[i].introduce << endl;
				return i;
			}
		}
		return 1000;

	}
	void editpresses(int cur)                                          //编辑出版社
	{
		if (cur == 1000)
		{
			cout << "没有这个出版社" << endl;
			return;
		}
		cout << "1.出版社编号: " << preData[cur].num << endl;
		cout << " 2.出版社名称: " << preData[cur].name << endl;
		cout << " 3.出版社负责人: " << preData[cur].principal << endl;
		cout << " 4.出版社简介: " << preData[cur].introduce << endl;			
		cout << "-----------------------------"<<endl;
		cout << "请修改数据选项：";
		int sel;
		cin >> sel;

		char a[15],b[100],c[100];
		if (sel == 2)
		{
			cout<<"出版社名称："<<endl;
			cin >> a;
			preData[cur].setName(a);
		}
		else if(sel == 3)
		{
			cout<<"出版社负责人："<<endl;
			cin >> b;
			preData[cur].setPrincipal(b);
		}
		else if (sel == 4)
		{
			cout<<"出版社简介："<<endl;
			cin >> c;
			preData[cur].setIntroduce(c);
		}
		return;
	}
	int delpresses(int cur)                                             //删除图书
	{
		if (cur == 1000)
		{
			cout << "没有这个出版社,请重新输入" << endl;
			return 0;
		}
		else if (cur != 1000)
		{
			for (int i = cur; i < Num; i++)
			{
				preData[i] = preData[i + 1];

			}
			Num--;
			cout << "删除成功" << endl;
		}
		return 0;
	}
};

class book {
public:
	char bookname[100];
	int booknum;//书号
	int authornum;
	char date[100];
	int pressnum;//图书编号
	char bookjianjie[100];//图书简介
	float price;
	int num;
	void setValue( int num,char *nam, int au, char *da, int pre, char *ji, float pri)
	{
		strcpy(bookname, nam);
		booknum = num;
		authornum = au;
		strcpy(date, da);
		pressnum = pre;
		strcpy(bookjianjie, ji);
		price = pri;
	}
	void setBookname(char *nam)
	{
		strcpy(bookname, nam);
	}
	void setBooknum(int num)
	{
		booknum = num;
	}
	void setAuthornum(double au)
	{
		authornum = au;
	}
	void setDate(char *da)
	{
		strcpy(date, da);
	}
	void setPressnum(int pre)
	{
		pressnum = pre;
	}
	void setBookjianjie(char *ji)
	{
		strcpy(bookjianjie, ji);
	}
	void setPrice(float pri)
	{
		price = pri;
	}
	char *getBookname()
	{
		return bookname;
	}
	int getBooknum()
	{
		return booknum;
	}
	int getAuthornum()
	{
		return authornum;
	}
	char *getDate()
	{
		return date;
	}
	int getPressnum()
	{
		return pressnum;
	}
	char *getBookjianjie()
	{
		return bookjianjie;
	}
	float getPrice()
	{
		return price;
	}
};
class bookList {
private:
	book boData[100];
	int Num;
public:
	bookList()
	{
		Num = 0;
	}
	void saveBookDataToFile()
	{
		ofstream f2;
		f2.open("bookData.dat", ios::binary);
		if (!f2)
		{
			cout << "Save Date Error!" << endl;
			return;
		}
		for (int i = 0; i < Num; i++)
		{
			f2.write((char*)&boData[i], sizeof(book));
		}
		f2.close();
	}
	void LoadBookDataFromFile()
	{
		ifstream f2;
		f2.open("bookData.dat", ios::binary);
		Num = 0;
		if (!f2)
		{
			return;
		}
		while (1)
		{
			f2.read((char*)&boData[Num], sizeof(book));
			if (f2.eof())
				break;
			Num++;
		}
		f2.close();
	}
	int judge(int n)  //通过编号判断图书
	{	
		for(int i=0;i<Num;i++)
			if(n==boData[i].getBooknum())
				return 1;
		return 0;
	}
	void addBook()
	{
		char bookname[100];
		int booknum;//书号
		int authornum;
		char date[100];
		int pressnum;//图书编号
		char bookjianjie[100];//图书简介
		int price;
		cout << "图书编号：";
		cin >> booknum;
		cout << "图书名称：";
		cin >> bookname;
		cout << "作者编号：";
		cin >> authornum;
		cout << "出版日期：";
		cin >> date;
		cout << "出版社编号：";
		cin >> pressnum;
		cout << "图书内容简介：";
		cin >> bookjianjie;
		cout << "图书价格：";
		cin >> price;
		boData[Num].setValue(booknum,bookname, authornum, date, pressnum, bookjianjie, price);
		Num++;
	}
	void print()
	{
		for (int i = 0; i < Num; i++)
		{
			cout << "图书编号：" << boData[i].getBooknum() << endl;
			cout << "图书名称：" << boData[i].getBookname() << endl;
			cout << "作者编号：" << boData[i].getAuthornum() << endl;
			cout << "出版日期：" << boData[i].getDate() << endl;
			cout << "出版社编号：" << boData[i].getPressnum() << endl;
			cout << "图书内容简介：" << boData[i].getBookjianjie() << endl;
			cout << "图书价格：" << boData[i].getPrice() << endl;
			cout << "-----------------------------"<<endl;
		}
	}
	char *getBookname(int booknum)
	{
		for (int i = 0; i < Num; i++)
			if (boData[i].getBooknum() == booknum)
				return boData[i].getBookname();
	}
	int querybooks()            //查询图书
	{
		int no;
		cout<<"请输入查询的编号： ";
		cin>>no;
		for (int i = 0; i < Num; i++)
		{
			if (boData[i].pressnum == no)
			{
				cout<<"出版社编号: " << boData[i].pressnum << "图书编号: " << boData[i].booknum << "图书名称: " << boData[i].bookname << "作者编号: " << boData[i].authornum << "出版日期: " << boData[i].date<< "图书内容简介: " << boData[i].bookjianjie<< "图书价格: " << boData[i].price<< endl;
				return i;
			}
			else if(boData[i].authornum == no )
			{
				cout<<"作者编号: " << boData[i].authornum << "图书编号: " << boData[i].booknum << "图书名称: " << boData[i].bookname  << "出版日期: " << boData[i].date<<"出版社编号: " << boData[i].pressnum  << "图书内容简介: " << boData[i].bookjianjie<< "图书价格: " << boData[i].price<< endl;
				return i;
			}
		}
		return 1000;
	}
	int findbooks()                                //查找图书,这个函数用于图书维护  
	{
		int num;
		cout << "请输入您要查找的图书编号: ";
		cin >> num;
		for (int i = 0; i < Num; i++)
		{
			if (boData[i].booknum == num )
			{
				cout << "图书编号: " << boData[i].booknum << " 图书名称: " << boData[i].bookname << " 作者编号: " << boData[i].authornum << " 出版日期: " << boData[i].date<< " 出版社编号: " << boData[i].pressnum << " 图书内容简介: " << boData[i].bookjianjie<< " 图书价格: " << boData[i].price<< endl;
				return i;
			}
		}
		return 1000;
	}
	void editbooks(int cur)                                          //编辑图书
	{
		if (cur == 1000)
		{
			cout << "没有这本图书" << endl;
			return;
		}
		cout << "1.图书编号: " << boData[cur].booknum << endl;
		cout << " 2.图书名称: " << boData[cur].bookname << endl;
		cout << " 3.作者编号: " << boData[cur].authornum << endl;
		cout << " 4.出版日期: " << boData[cur].date << endl;
		cout << " 5.出版社编号: " << boData[cur].pressnum << endl;
		cout << " 6.图书内容简介: " << boData[cur].bookjianjie << endl;
		cout << " 7.图书价格: " << boData[cur].price << endl;
		cout << "请修改数据选项：";			
		cout << "-----------------------------"<<endl;
		int sel;
		cin >> sel;

		char a[15],c[100],e[100];
		int g,b,d;
		float f;
		if (sel == 2)
		{
			cout<<"图书名称："<<endl;
			cin >> a;
			boData[cur].setBookname(a);
		}
		else if(sel == 3)
		{
			cout<<"作者编号："<<endl;
			cin >> b;
			boData[cur].setAuthornum(b);
		}
		else if (sel == 4)
		{
			cout<<"出版日期："<<endl;
			cin >> c;
			boData[cur].setDate(c);
		}
		else if(sel == 5)
		{
			cout<<"出版社编号："<<endl;
			cin >> d;
			boData[cur].setPressnum(d);
		}
		else if(sel == 6)
		{
			cout<<"图书内容简介："<<endl;
			cin >> e;
			boData[cur].setBookjianjie(e);
		}
		else if(sel == 7)
		{
			cout<<"图书价格："<<endl;
			cin >> f;
			boData[cur].setPrice(f);
		}
		else if(sel == 1)
		{
			cout<<"图书编号："<<endl;
			cin >> g;
			boData[cur].setBooknum(g);
		}
		return;
	}

	int delbooks()                                             //删除图书
	{
		int cur;
		cur = findbooks();
		if (cur == 1000)
		{
			cout << "没有这本书,请重新输入" << endl;
			return 0;
		}
		else if (cur != 1000)
		{
			for (int i = cur; i < Num; i++)
			{
				boData[i] = boData[i + 1];

			}
			Num--;
			cout << "删除成功" << endl;
		}
		return 0;
	}
	//friend void panduan(book1 &); 
};
class author {
public:
	int num;
	double aunum;
	char auname[100];
	char bridate[100];
	char sex[100];
	char danwei[100];
	char jianjie[100];
public:
	void setValue(double aun, char *name, char *bri, char *se, char *dan, char *jian)
	{
		aunum = aun;
		strcpy(auname, name);
		strcpy(bridate, bri);
		strcpy(sex, se);
		strcpy(danwei, dan);
		strcpy(jianjie, jian);
	}
	void setAunum(double aun)
	{
		aunum=aun;
	}
	void setAuname(char *name)
	{
		strcpy(auname, name);
	}
	void setBridate(char *bri)
	{
		strcpy(bridate, bri);
	}
	void setSex(char *se)
	{
		strcpy(sex,se);
	}
	void setDanwei(char *dan)
	{
		strcpy(danwei, dan);
	}
	void setJianjie(char *jian)
	{
		strcpy(jianjie, jian);
	}
	double getAunum()
	{
		return aunum;
	}
	char *getAuname()
	{
		return auname;
	}
	char *getBridate()
	{
		return bridate;
	}
	char *getSex()
	{
		return sex;
	}
	char *getDanwei()
	{
		return danwei;
	}
	char *getJianjie()
	{
		return jianjie;
	}
};
class authorList {
private:
	author auData[100];
	int Num;
public:
	authorList()
	{
		Num = 0;
	}
	void saveAuthorDataToFile()
	{
		ofstream f2;
		f2.open("authorData.dat", ios::binary);
		if (!f2)
		{
			cout << "Save Date Error!" << endl;
			return;
		}
		for (int i = 0; i < Num; i++)
		{
			f2.write((char*)&auData[i], sizeof(author));
		}
		f2.close();
	}
	void LoadAuthorDataFromFile()
	{
		ifstream f2;
		f2.open("authorData.dat", ios::binary);
		Num = 0;
		if (!f2)
		{
			return;
		}
		while (1)
		{
			f2.read((char*)&auData[Num], sizeof(author));
			if (f2.eof())
				break;
			Num++;
		}
		f2.close();
	}
	void addAuthor()
	{
		double aunum;
		char auname[100];
		char bridate[100];
		char sex[100];
		char danwei[100];
		char jianjie[100];
		cout << "作者编号：";
		cin >> aunum;
		cout << "作者姓名：";
		cin >> auname;
		cout << "出生日期：";
		cin >> bridate;
		cout << "性别：";
		cin >> sex;
		cout << "作者单位：";
		cin >> danwei;
		cout << "作者简介：";
		cin >> jianjie;
		auData[Num].setValue(aunum, auname, bridate, sex, danwei, jianjie);
		Num++;
	}
	char *getAuname(int aunum)
	{
		for (int i = 0; i < Num; i++)
			if (auData[i].getAunum() == aunum)
				return auData[i].getAuname();
	}
	int findauthors()                                //查找作者,这个函数用于作者维护  
	{
		int num;
		cout << "请输入您要查找的作者编号: ";
		cin >> num;
		for (int i = 0; i <= Num; i++)
		{
			if (auData[i].aunum == num )
			{
				cout << "作者编号: " << auData[i].aunum << " 作者姓名: " <<auData[i].auname << " 出生日期: " << auData[i].bridate<< " 性别: " << auData[i].sex<< " 作者单位: " << auData[i].danwei<< " 作者简介: " << auData[i].jianjie  << endl;
				return i;
			}
		}
		return 1000;
	}
	int cz(int num)
	{
		for (int i = 0; i <= Num; i++)
		{
			if (auData[i].aunum == num )
			{
				cout << "作者编号: " << auData[i].aunum << " 作者姓名: " <<auData[i].auname << " 出生日期: " << auData[i].bridate<< " 性别: " << auData[i].sex<< " 作者单位: " << auData[i].danwei<< " 作者简介: " << auData[i].jianjie  << endl;
				return i;
			}
		}
		return 1000;
	}
	void editauthors(int cur)                                          //编辑作者
	{
		if (cur == 1000)
		{
			cout << "没有这个作者" << endl;
			return;
		}
		cout << " 1.作者编号: " << auData[cur].aunum << endl;
		cout << " 2.作者姓名: " << auData[cur].auname << endl;
		cout << " 3.出生日期: " << auData[cur].bridate << endl;
		cout << " 4.性别: " << auData[cur].sex << endl;
		cout << " 5.作者单位: " << auData[cur].danwei << endl;
		cout << " 6.作者简介: " << auData[cur].jianjie << endl;
		cout << "--------------------------"<<endl;
		cout << "请修改数据选项：";
		int sel;
		cin >> sel;

		char a[15],b[100],c[100],d[100],e[100];
		if (sel == 2)
		{
			cout<<"作者姓名："<<endl;
			cin >> a;
			auData[cur].setAuname(a);
		}
		else if(sel == 3)
		{
			cout<<"出生日期："<<endl;
			cin >> b;
			auData[cur].setBridate(b);
		}
		else if (sel == 4)
		{
			cout<<"性别："<<endl;
			cin >> c;
			auData[cur].setSex(c);
		}
		else if (sel == 5)
		{
			cout<<"作者单位："<<endl;
			cin >> d;
			auData[cur].setDanwei(d);
		}
		else if (sel == 6)
		{
			cout<<"作者简介："<<endl;
			cin >> e;
			auData[cur].setJianjie(e);
		}	
		return;
	}

	int delauthors(	int cur)                                             //删除作者
	{
		cur = findauthors();
		if (cur == 1000)
		{
			cout << "没有这个作者,请重新输入" << endl;
			return 0;
		}
		else if (cur != 1000)
		{
			for (int i = cur; i < Num; i++)
			{
				auData[i] = auData[i + 1];

			}
			Num--;
			cout << "删除成功" << endl;
		}
		return 0;
	}
};
class process {
private:
	pressList x1;
	bookList y1;
	authorList z1;
public:
	void dispmenu1()
	{
		cout << "☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆" << endl;
		cout << "☆        图书管理系统      ☆" << endl;
		cout << "☆       1.出版社管理       ☆" << endl;
		cout << "☆       2.图书管理         ☆" << endl;
		cout << "☆       3.作者信息管理     ☆" << endl;
		cout << "☆       4.退出系统         ☆" << endl;
		cout << "☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆" << endl;
	}
	void dispmenu2()
	{
		cout << "△☆☆☆☆☆☆☆☆☆☆△" << endl;
		cout << "        出版社管理        " << endl;
		cout << "      1.增加出版社       " << endl;
		cout << "      2.修改出版社       " << endl;
		cout << "      3.删除出版社       " << endl;
		cout << "      4.浏览出版社       " << endl;
		cout << "      5.返回             " << endl;
		cout << "△☆☆☆☆☆☆☆☆☆☆△" << endl;
	}
	void dispmenu3()
	{
		cout << "△☆☆☆☆☆☆☆☆☆☆△" << endl;
		cout << "        图书管理" << endl;
		cout << "      1.增加图书" << endl;
		cout << "      2.修改图书" << endl;
		cout << "      3.浏览图书" << endl;
		cout << "      4.删除图书" << endl;
		cout << "      5.查询图书" << endl;
		cout << "      6.返回" << endl;
		cout << "△☆☆☆☆☆☆☆☆☆☆△" << endl;
	}
	void dispmenu4()
	{
		cout << "△☆☆☆☆☆☆☆☆☆☆△" << endl;
		cout << "        作者管理        " << endl;
		cout << "      1.增加作者      " << endl;
		cout << "      2.修改作者      " << endl;
		cout << "      3.删除作者      " << endl;
		cout << "      4.返回          " << endl;
		cout << "△☆☆☆☆☆☆☆☆☆☆△" << endl;
	}
	void maimenu()
	{
		int sel, sel1, sel2, sel3;
		z1.LoadAuthorDataFromFile();
		y1.LoadBookDataFromFile();
		x1.LoadPressDataFromFile();
		while (1)
		{
			dispmenu1();
			cout << "请选择:";
			cin >> sel;
			if (sel == 1)
			{
				while (1)
				{
					dispmenu2();
					cout << "请选择:";
					cin >> sel1;
					if (sel1 == 1)  //增加
						x1.addPress();
					else if (sel1 == 4)//浏览
						x1.print();
					else if (sel1 == 2)//修改
					{
						int a;
						a=x1.findpresses();
						x1.editpresses(a);

					}
					else if (sel1 == 3)//删除
					{
						int i,a,b;
						cout<<"请输入要删除的出版社编号：";cin>>i;
						a=y1.judge(i);
						if(a==0)
						{
						   b=x1.cz(i);
						   x1.delpresses(b);
						}
						else if(a==1){cout<<"该出版社有图书，不能删除"<<endl;}
					}
					else if (sel1 >= 6 || sel1 == 0) cout << "输入有误，请重新输入！" << endl;
					else if (sel1 == 5) break;
				}
			}
			else if (sel == 2)
			{
				while (1)
				{
					dispmenu3();
					cout << "请选择:";
					cin >> sel2;
					if (sel2 == 1)//增加
						y1.addBook();
					else if (sel2 == 3)//浏览
						y1.print();
					else if(sel2 == 2)//编辑
					{
						int c;
						c=y1.findbooks();
						y1.editbooks(c);
					}
					else if( sel2 == 4)//删除
						y1.delbooks();
					else if( sel2 == 5 )//查询
						y1.querybooks();
					else if (sel2 > 6 || sel2 == 0) cout << "输入有误，请重新输入！" << endl;
					else if (sel2 == 6) break;
				}
			}
			else if (sel == 3)
			{
				while (1)
				{
					dispmenu4();
					cout << "请选择:";
					cin >> sel3;
					if (sel3 == 1)//增加
						z1.addAuthor();
					else if (sel3==2)  //修改
					{	
						int b;
						b=z1.findauthors();
						z1.editauthors(b);
					}
					else if (sel3==3)//删除
					{	
						int i,a,b;
						cout<<"请输入要删除的作者编号：";cin>>i;
						a=y1.judge(i);
						if(a==0)
						{
						   b=z1.cz(i);
						   z1.delauthors(b);
						}
						else if(a==1){cout<<"该出版社有图书，不能删除"<<endl;}
					}
					else if (sel3 >= 5 || sel3 == 0) cout << "输入有误，请重新输入！" << endl;
					else if (sel3 == 4) break;
				}
			}
			else if (sel == 4)
			{
				cout<<"感谢使用！！！";break;}
			else if (sel>= 5 || sel == 0) cout << "输入有误，请重新输入！" << endl;

		}
		x1.savePressDataToFile();
		y1.saveBookDataToFile();
		z1.saveAuthorDataToFile();
	}
};
void main()
{
	process p;
	p.maimenu();
}