电子图书馆源代码(图书馆电子资源怎么用)

本篇文章给大家谈谈电子图书馆源代码，以及图书馆电子资源怎么用对应的知识点，希望对各位有所帮助，不要忘了收藏本站喔。

本文目录一览：

• 1、图书馆信息管理C＋＋源程序
• 2、vb+sql 图书馆管理系统源代码 谁知道啊???

图书馆信息管理C＋＋源程序

#includeiostream.h

#includefstream.H

#includestdlib.h

#includestring.h

struct bookData

{

int booknumber;

char bookname[30];

int store;

};

struct Person

{

char name[20];

char studynumber[10];

int count;

bookData Rbook[2];

//bookData Rbook;

};

class History

{

public:

History(fstream a){readerbook=a;}

void writehistory();

void readhistory(fstream);

private:

fstream readerbook;

};

class Liberian;

void Find(fstream);

void CreateTxt(fstream);

class Reader

{

friend Liberian;

public:

Reader(fstream);

void print();

void handlebook(fstream);

void change();

bool findreader();

void Addreader();

void deletereader();

private:

fstream file;

Person person;

};

class Liberian

{

public:

Liberian(char *,char *);

void changeReader(Reader);

void selfprint();

void Append(fstream);

private:

char workname[20];

char worknumber[20];

};

int main()

{

fstream bookRecord(" book.dat",ios::in| ios::out);

if(!bookRecord)

{

cerr" Can't open,try again!"endl;

exit(1);

}

fstream readerRecord("reader.dat",ios::in|ios::out);

if(!readerRecord)

{

cerr" Can't open,try again!"endl;

exit(1);

}

int choice;

int key; Reader reader(readerRecord);//读者管理系统

Liberian liberian("李天","123456");//图书管理员

History rec(readerRecord);//声明显示历史记录类

while(1)

{

cout" 请输入您的选择:\n\n"

"1--图书管理员\n"

"2--读键扰者系统\n"

"0--结束程序\n";

cinchoice;

switch(choice)

{

case 1:

{

cout" Hello,图书管理员:\n";

liberian.selfprint();coutendl;

cout"1-- 增加新图书\n"

"2-- 改变读者的属性\n"

"3-- 显示历史记录\n"

"0-- 返回\n";

cinkey;

switch(key)

{

case 1:

liberian.Append(bookRecord);

break;

case 2:

liberian.changeReader(reader);

break;

case 3:

rec.readhistory(readerRecord);

case 0:

break ;

}

}

break;

case 2:

{

cout洞此"学生读者\n"; int iflag=1;

//reader.findreader();

cout"1-- 借书与还书信息\n"

"2-- 修改个人信息\n"

"0-- 返回\纳亮迅n";

cinkey;

switch(key)

{

case 1:

reader.handlebook(bookRecord);

break;

case 2:

reader.change();

break;

case 0:

break;

}

}

break;

default:

return 0;

}

}

return 0;

}

//增加书籍

void Liberian::Append(fstream storef)

{

bookData book;

int choice;

int key;

int num;

storef.seekp(0,ios::end);

int posEnd=storef.tellp();

cout"*************书籍入库***************"endl;

while(1)

{

cout" Please enter your choice:"endl;

cout"1--添加新书\n""2--已有书籍\n""0--返回\n";

cinchoice;

switch(choice)

{

case 1:

cout" 书号, 书名, 数量?"endl;

cinbook.booknumberbook.booknamebook.store;

storef.write(reinterpret_castchar*(book),sizeof(bookData));

break;

case 2:

storef.seekg(0,ios::beg);

cout"Booknumber?\n";

cinkey;

do{

storef.read(reinterpret_castchar*(book),sizeof(bookData));

}while(book.booknumber!=keystoref.tellg()!=posEnd);

if(book.booknumber==key)

{

coutbook.booknumber"----"book.bookname"----"book.storeendl;

cout" 输入已有书增加的数量："endl;

cinnum;

if(num0)

book.store+=num;

else

{

cout" Invalid input"endl;

}

storef.seekp(-long(sizeof(bookData)),ios::cur);////////////////////

storef.write(reinterpret_castchar*(book),sizeof(bookData));

cout"现在书籍： "book.bookname" 余量为： "book.storeendl;

}

else

cout"找不到此书，请重新查阅书号是否正确!"endl;

break;

case 0:

return ;

}

}

}

//书籍查询

void Find(fstream f)

{

bookData book;

int key;

int choice;

f.seekg(0,ios::end);

int posEnd=f.tellp();

cout"*************书籍查询***************"endl;

while(1)

{

cout" 请输入您的选择\n"

" 1-- 检索一本书\n"

"2-- 显示全部书籍\n"

"0-- 返回\n";

cinchoice;

switch(choice)

{

case 1:

f.seekg(0,ios::beg);

cout"输入你想检索书的书号"endl;

cinkey;

do{

f.read(reinterpret_castchar*(book),sizeof(bookData));

}while(book.booknumber!=keyf.tellg()!=posEnd);

if(book.booknumber==key)

coutbook.booknumber"---"book.bookname"---"book.storeendl;

else

cout"找不到此书，请重新确认！"endl;

break;

case 2:

f.seekg(0,ios::beg);

do{

f.read(reinterpret_castchar*(book),sizeof(bookData));

coutbook.booknumber"---"book.bookname"--"book.storeendl;

}while(f.tellg()!=posEnd);

break;

case 0:

return ;

}

}

}

Reader::Reader(fstream c)

{

file=c;

Person person={"0","0",0,{{0,"0",0}, {0,"0",0}}};

}

void Reader::print()

{

cout"Name""---"person.name'\n\n'"studynumber---"person.studynumber'\n';

}

//操作书籍??????????????????????

void Reader::handlebook(fstream filee)

{

int key; int choice;

bookData book; bool iflag;int num=0;

filee.seekp(0,ios::end);

int posEnd=filee.tellp();

while(!(iflag=findreader()))

{

num++;

if(num=3)

return;

}

//coutperson.name;

while(1)

{

cout"1-- 借书\n"

"2-- 还书\n"

"3-- 查找一本书\n"

"0-- 返回"'\n';

cinchoice;

switch(choice)

{

case 1:

{

filee.seekp(0,ios::end);

int posEnd=filee.tellp();

if(person.count=1)

{

cout" 输入你要借阅图书的书号："endl;

cinkey;

filee.seekg(0);

do{

filee.read(reinterpret_castchar*(book),sizeof(bookData));

}while(book.booknumber!=keyfilee.tellp()!=posEnd);

//coutbook.booknumberendl;

if(book.booknumber==key)

{

//cout" 找到你想借阅的图书，成功借阅！"endl;

if(book.store0)

{

person.Rbook[person.count]=book;

person.count+=1;

book.store-=1;

filee.seekp(-long(sizeof(bookData)),ios::cur);

filee.write(reinterpret_castchar*(book),sizeof(bookData));

cout" 找到你想借阅的图书，成功借阅！"endl;

cout"书籍 :"book.bookname"剩余的本数为:"book.storeendl;

}

else

cout" 现在此图书已经被借完了，请耐心等待几天!"endl;

}

else

cout" 找不到你想要的图书"endl;

}

else

cout"你最多只能借2本\n\n";

}

break;

case 2:

{

bookData blankbook={0,"0",0};

//if(person.count0)

//{

int iflag=0;

filee.seekg(0);

cout" 输入你想要还的书的书号："endl;

cinkey;

for(int i=0;i2;i++)

{

if(key==person.Rbook[i].booknumber)

{

person.Rbook[i]=blankbook;

cout"成功归还此书!";

iflag=1;

person.count--;

do{

filee.read(reinterpret_castchar*(book),sizeof(bookData));

}while(book.booknumber!=keyfilee.tellp()!=posEnd);

if(book.booknumber==key)

{

book.store+=1;

filee.seekp(-long(sizeof(bookData)),ios::cur);

filee.write(reinterpret_castchar*(book),sizeof(bookData));

cout"书籍 :"book.bookname"余本量为： "book.storeendl;

}

}

}

if(!iflag)

{

cout" 你没有借阅那本书，请确认！"endl;

}

// }

// else

// cout"你没有借书,请重新确认！\n\n";

}

break;

case 3:

Find(filee);

break;

case 0:

return;

}

}

}

void Reader::change()

{

char newname[20]; char newnumber[10];

int choice;

file.seekp(0,ios::cur);

int Posend=file.tellp(); bool iflag;int num=0;

while(!(iflag=findreader()))

{

num++;

if(num=3)

return;

}

cout" 请输入你的选择!"endl;

cout"1--改变名字!\n"

"2--修改学号r\n"

"0--返回\n";

cinchoice;

switch(choice)

{

case 1:

cout"输入你的新名字!\n";

cinnewname;

strcpy(person.name,newname);

break;

case 2:

cout"输入你的信学号?\n";

cinnewnumber;

strcpy(person.studynumber,newnumber);

break;

default:

break;;

}

file.seekp(-long(sizeof(Person)),ios::cur);

file.write(reinterpret_castchar*(person),sizeof(Person));

cout"信息修改成功！"endl;

}

void Liberian::selfprint()

{

cout" 图书管理员 :\n"

worknumber"---"workname" 为您服务!\n";

}

Liberian::Liberian(char *a,char*b)

{

strcpy(workname,a);

strcpy(worknumber,b);

}

void Liberian::changeReader(Reader a)

{

int choice; char newname[20];char newnumber[10];

cout"修改读者的数据信息!\n";

cout"1-- 增加一个读者\n"

"2-- 删除一个读者\n"

"0-- 结束程序\n";

cinchoice;

switch(choice)

{

case 1:

a.Addreader();

break;

case 2:

a.deletereader();

break;

case 0:

return;

}

}

void Reader::Addreader()

{

Person temp;bookData book={0,"0",0};

file.seekp(0,ios::end);

int Posend=file.tellp();

cout"输入你想要增加的读者的名字"endl;

cintemp.name;

cout"新读者的学号:"endl;

cintemp.studynumber;

temp.Rbook[1]=book; temp.Rbook[0]=book; temp.count=0;

file.write(reinterpret_castchar*(temp),sizeof(Person));

cout" 成功添加！"temp.nameendl;

}

void Reader::deletereader()

{

file.seekp(0,ios::end);

int Posend=file.tellp();

Person person;

char name[20];

cout"输入要删除的读者的名字!"endl;

cinname;

file.seekg(0);

do{

file.read(reinterpret_castchar*(person),sizeof(Person));

}while(strcmp(name,person.name)file.tellp()!=Posend);

if(!strcmp(name,person.name))

{

bookData blankbook={0,"0",0};

Person guest={"0","0",0,{{0,"0",0},{0,"0",0}}};

file.seekp(-long(sizeof(Person)),ios::cur);

file.write(reinterpret_castchar*(guest),sizeof(Person));

cout"成功删除！"person.nameendl;

}

else

cout"查无此人!"endl;

}

bool Reader::findreader()

{

file.seekp(0,ios::end);

int Posend=file.tellp();

char name[20];

Person guest={"0","0",0,{{0,"0",0},{0,"0",0}}};

cout"输入查找人的名字!";

cinname;

file.seekg(0);

do{

file.read(reinterpret_castchar*(person),sizeof(Person));

}while(strcmp(name,person.name)file.tellp()!=Posend);

if(!strcmp(name,person.name))

{

cout"查到此人："person.nameendl;

return true;

}

else

{

cout"找不到此人，请重新确认！"endl;

return false;

}

}

//借阅历史

void History::readhistory(fstream a)

{

readerbook=a;

char name[10]="0";

readerbook.seekp(0,ios::end);

int Posend=readerbook.tellp();

Person guest; int iflag=1;

cout" 书籍借阅信息如下："endl;

cout"姓名 学号 借书量 书籍名"endl;

readerbook.seekg(0,ios::beg);

do{

readerbook.read(reinterpret_castchar*(guest),sizeof(Person));

if(strcmp(guest.Rbook[1].bookname,name) || strcmp(guest.Rbook[1].bookname,name))

{

coutguest.name" "guest.studynumber" "guest.count" ";

for(int i=0;i2;i++)

if(strcmp(guest.Rbook[i].bookname,name))

coutguest.Rbook[i].bookname;

iflag=0;

}

}while(readerbook.tellp()!=Posend);

if(iflag)

cout"没有读者借阅图书！"endl;

}

vb+sql 图书馆管理系统源代码 谁知道啊???

哇，毕业设散迅计呀。

我用的PB8开发的。还有扫描器，服务器群。

全文客悉缓户端睁掘模查寻。全套程序。

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