C++實現(xiàn)圖書館管理系統(tǒng)源碼

第C++實現(xiàn)圖書館管理系統(tǒng)源碼ofstreamfout("book.txt",ios::app);

foutid"\t"place"\t"year"\t"name"\t"professor"\t"endl;

fout.close();

voidBook::read(intn)

inti=0;

stringtemp,data[999],a[4];

ifstreamfin("book.txt");

while(getline(fin,temp))

{

data[i]=temp;

i+=1;

}

fin.close();

istringstreamstream(data[n]);

for(i=0;ii++)

{

data[n].erase(0,data[n].find("\t")+1);

a[i]=data[n].substr(0,data[n].find("\t"));

}

name=a[2];

professor=a[3];

streamidplaceyear;

}

main.cpp

#includeiostream

#includestring

#includevector

#include"Book.h"

#include"Student.h"

usingnamespacestd;

voidinitialize();

boolis_administrator();

boolis_student(int*n);

voidmenu1();

voidmenu2();

voidmenu3();

voidwrong_input();

voidmag_book();

voidmag_student();

voidshow_book_list();

voidshow_student_list();

voidgive_mark();

voidchange_password();

voidchoose_book(intn);

voidmy_book(intn);

voidcheck_info(intn);

voidcan_open(Booka);

voidcan_open(Studenta);

boolis_same_student_name(stringn);

boolis_same_student_tele(stringn);

boolis_same_student_addr(stringn);

boolis_same_book_name(stringn);

intmain()

intuser;

charchoice;

boolsuccess=0;

initialize();

do{

menu1();

cinchoice;

switch(choice)

{

case'1':

{

if(is_administrator()){

do{

menu2();

cinchoice;

getchar();

switch(choice)

{

case'1':mag_book();success=0;break;

case'2':mag_student();success=0;break;

case'3':show_book_list();success=0;break;

case'4':show_student_list();success=0;break;

case'5':give_mark();success=0;break;

case'6':change_password();success=0;break;

case'9':success=1;break;

case'0':success=1;break;

default:wrong_input();break;

}

}while(!success);

}

else

{

cout"Thepasswordisincorrect."endl;

system("pause");

}

}

break;

case'2':

{

if(is_student(user))

{

do{

menu3();

cinchoice;

switch(choice)

{

case'1':choose_book(user);success=0;break;

case'2':my_book(user);success=0;break;

case'3':check_info(user);success=0;break;

case'9':success=1;break;

case'0':success=1;break;

default:wrong_input();break;

}

}while(!success);

}

else

{

cout"Yournameorpasswordisincorrect."endl;

system("pause");

}

}

break;

case'0':success=1;break;

default:wrong_input();break;

}

}while(choice!='0');

return0;

voidinitialize()

ifstreaminfile1("book.txt");

if(!infile1)

{

ofstreamoutfile1("book.txt");

outfile1.close();

}

infile1.close();

ifstreaminfile2("student.txt");

if(!infile2)

{

ofstreamoutfile2("student.txt");

outfile2.close();

}

infile2.close();

ifstreaminfile3("password.txt");

if(!infile3)

{

ofstreamoutfile3("password.txt");

outfile3"123";

outfile3.close();

}

infile3.close();

ifstreaminfile4("mybook.txt");

if(!infile4)

{

ofstreamoutfile4("mybook.txt");

outfile4.close();

}

infile4.close();

boolis_administrator()

stringp1,p2;

getchar();

cout"Pleaseinputthepassword:";

getline(cin,p1);

ifstreaminfile("password.txt");

if(!infile)

{

coutendl"Outofservice"endl;

cout"Pleasepressentertoexit."endl;

system("pause");

exit(0);

}

getline(infile,p2);

infile.close();

if(p1==p2)

return1;

else

return0;

boolis_student(int*n)

Studenta[100];

Students;

stringp1,p2;

inti;

boolsuccess=0;

getchar();

cout"Pleaseinputyourname:";

getline(cin,p1);

cout"Pleaseinputyourpassword:";

getline(cin,p2);

can_open(s);

for(i=0;is.length();i++)

{

a[i].read(i);

if(a[i].get_name()==p1a[i].get_pass()==p2)

{

*n=i;

success=1;

}

}

returnsuccess;

voidmenu1()

system("cls");

coutendlendlendl;

cout"-------------------------------------------------------------------"endl;

cout"

UniversityStudentManagementSystem

"endlendl;

cout"

1.AdministratorSystem."endlendl;

cout"

2.StudentSystem."endlendl;

cout"

0.Exit."endl;

cout"-------------------------------------------------------------------"endl;

cout"Pleaseinputyourchoice:";

voidmenu2()

system("cls");

coutendlendlendl;

cout"-------------------------------------------------------------------"endl;

cout"

AdministratorSystem

"endlendl;

cout"

1.BookManagement."endlendl;

cout"

2.StudentManagement."endlendl;

cout"

3.ShowtheBookList."endlendl;

cout"

4.ShowtheStudentList."endlendl;

cout"

5.GiveMarkstoStudents."endlendl;

cout"

6.ChangeAdministratorPassword."endlendl;

cout"

9.Returntothemainmenu."endlendl;

cout"

0.Exit."endl;

cout"-------------------------------------------------------------------"endl;

cout"Pleaseinputyourchoice:";

voidmenu3()

system("cls");

coutendlendlendl;

cout"-------------------------------------------------------------------"endl;

cout"

StudentSystem"endlendl;

cout"

1.ChooseMyBooks"endlendl;

cout"

2.CheckMyBooksandGrades"endlendl;

cout"

3.CheckandChangeMyInfomation"endlendl;

cout"

9.Returntothemainmenu."endlendl;

cout"

0.Exit."endl;

cout"-------------------------------------------------------------------"endl;

cout"Pleaseinputyourchoice:";

voidwrong_input()

system("cls");

coutendlendlendlendlendlendl;

cout"

Wronginput!Pleaseinputagain."endl;

system("pause");

voidmag_book()

inti,id,plac,year;

charchoice;

boolsuccess=0,success2=0;

stringname,prof;

Booka[50];

Bookc;

do{

fflush(stdin);

system("cls");

coutendl"

BookManagement"endlendl;

cout"Whichoperationdoyouwantaboutthelistofbook"endl;

cout"1.Browseabook\n\n2.Addabook\n\n3.Modifyabook\n\n4.Deleteabook\n\n";

cinchoice;

cout"PleaseinputtheIDnumberofbook:";

cinid;

getchar();

can_open(c);

if(choice=='1')

{

success2=1;

fflush(stdin);

for(i=0;ic.length();i++)

a[i].read(i);

for(i=0;ic.length();i++)

if(id==a[i].get_id())

{

system("cls");

a[i].display();

success=1;

}

if(!success)

cout"Thebookcannotbefound.";

}

elseif(choice=='2')

{

success2=1;

fflush(stdin);

for(i=0;ic.length();i++)

{

a[i].read(i);

if(id==a[i].get_id())

success=1;

}

if(success)

cout"Thebookisexist";

else

{

do{

cout"Pleaseinputthenameofbook:";

getline(cin,name);

}while(is_same_book_name(name));

cout"Pleaseinputtheprofessor'sname:";

getline(cin,prof);

cout"Pleaseinputthemaximumquotaofpeople(connotchangelater):";

cinplac;

cout"Whichgradesareavailable"endl"1.year1\n2.year2\n3.year3\n4.year4\n5.allofstudents\n";

cinyear;

c.change(id,name,prof,plac,year);

c.write();

system("cls");

cout"Thebookhasbeensaved."endlendl;

c.display();

}

}

elseif(choice=='3')

{

success2=1;

fflush(stdin);

intl,n;

l=c.length();

for(i=0;ii++)

{

a[i].read(i);

if(id==a[i].get_id())

{

n=i;

success=1;

}

}

if(success)

{

do{

cout"Pleaseinputthenewnameofbook"id":";

getline(cin,name);

}while(is_same_book_name(name));

cout"Pleaseinputthenewprofessor'snameofbook"id":";

getline(cin,prof);

cout"Whichgradesareavailable"endl"1.year1\n2.year2\n3.year3\n4.year4\n5.allofstudents\n";

cinyear;

a[n].change(id,name,prof,a[n].get_place(),year);

ofstreamfout("book.txt");

fout.close();

for(i=0;ii++)

a[i].write();

system("cls");

cout"Thebookhasbeenchanged."endlendl;

a[n].display();

}

else

cout"Thebook"id"cannotbefound.";

}

elseif(choice=='4')

{

success2=1;

fflush(stdin);

intn,l=c.length();

for(i=0;ii++)

{

a[i].read(i);

if(id==a[i].get_id())

{

n=i;

success=1;

}

}

if(success)

{

ofstreamfout("book.txt");

fout.close();

for(i=0;il-1;i++)

if(i!=n)

a[i].write();

system("cls");

cout"Thebookhasbeendeleted."endlendl;

a[n].display();

}

else

cout"Thebook"id"cannotbefound.";

}

else

{

cout"wronginput,pleaseinputagain."endl;

system("pause");

}

}while(!success2);

coutendl;

system("pause");

voidmag_student()

inti,id,year;

charchoice;

boolsuccess=0,success2=0;

stringname,pass,gend,tele,addr;

Studenta[50];

Students;

do{

system("cls");

coutendl"

StudentManagement"endlendl;

cout"Whichoperationdoyouwantaboutthelistofstudent"endl;

cout"1.Browseastudent\n2.Addastudent\n3.Modifyastudent\n4.Deleteastudent\n";

cinchoice;

cout"PleaseinputtheIDnumberofstudent:";

cinid;

getchar();

can_open(s);

if(choice=='1')

{

success2=1;

fflush(stdin);

for(i=0;is.length();i++)

a[i].read(i);

for(i=0;is.length();i++)

if(id==a[i].get_id())

{

system("cls");

a[i].display();

success=1;

}

if(!success)

cout"Thestudentcannotbefound.";

}

elseif(choice=='2')

{

success2=1;

fflush(stdin);

for(i=0;is.length();i++)

{

a[i].read(i);

if(id==a[i].get_id())

success=1;

}

if(success)

cout"Thestudentisexist";

else

{

do{

cout"Pleaseinputthenameofstudent:";

getline(cin,name);

}while(is_same_student_name(name));

cout"Pleaseinputthepassword:";

getline(cin,pass);

do{

cout"Whatgradeisthestudentin(1-4)";

cinyear;

}while(year1||year

fflush(stdin);

do{

cout"Pleaseinputthestudent'sgender:"endl"Pleaseenter'male'or'female'

:";

getline(cin,gend);

}while(!(gend=="male"||gend=="female"));

do{

cout"Pleaseinputthetelephonenumber:";

getline(cin,tele);

}while(is_same_student_tele(tele));

do{

cout"Pleaseinputtheaddress:";

getline(cin,addr);

}while(is_same_student_addr(addr));

s.change(id,year,name,pass,gend,tele,addr);

s.add_student();

s.write();

system("cls");

cout"Theinformationofstudenthasbeensaved."endlendl;

s.display();

}

}

elseif(choice=='3')

{

success2=1;

fflush(stdin);

intl,n;

l=s.length();

for(i=0;ii++)

{

a[i].read(i);

if(id==a[i].get_id())

{

n=i;

success=1;

}

}

if(success)

{

do{

cout"Pleaseinputthenewnameofstudent"id":";

getline(cin,name);

}while(is_same_student_name(name));

pass=a[n].get_pass();

do{

cout"Whatgradeisthestudentin(1-4)";

cinyear;

}while(year1||year

fflush(stdin);

do{

cout"Pleaseinputthestudent'sgender:"endl"Pleaseenter'male'or'female'

:";

getline(cin,gend);

}while(!(gend=="male"||gend=="female"));

do{

cout"Pleaseinputthenewtelephonenumber:";

getline(cin,tele);

}while(is_same_student_tele(tele));

do{

cout"Pleaseinputthenewaddress:";

getline(cin,addr);

}while(is_same_student_addr(addr));

a[n].change(id,year,name,pass,gend,tele,addr);

ofstreamfout("student.txt");

fout.close();

for(i=0;ii++)

a[i].write();

system("cls");

cout"Thestudenthasbeenchanged."endlendl;

a[n].display();

}

else

cout"Thestudent"id"cannotbefound.";

}

elseif(choice=='4')

{

success2=1;

fflush(stdin);

intn,l=s.length();

for(i=0;ii++)

{

a[i].read(i);

if(id==a[i].get_id())

{

n=i;

success=1;

}

}

if(success)

{

a[n].sub_student();

ofstreamfout("student.txt");

fout.close();

for(i=0;ii++)

if(i!=n)

a[i].write();

system("cls");

cout"Thestudenthasbeendeleted."endlendl;

a[n].display();

}

else

cout"Thestudent"id"cannotbefound.";

}

else

{

cout"Wronginput,pleaseinputagain."endl;

system("pause");

}

}while(!success2);

coutendl;

system("pause");

voidshow_book_list()

Booka[100];

Bookc;

inti;

system("cls");

coutendl"

BooksList"endlendl;

can_open(c);

for(i=0;ic.length();i++)

{

a[i].read(i);

a[i].display();

}

coutendl;

system("pause");

voidshow_student_list()

Studenta[100];

Students;

inti;

system("cls");

coutendl"

StudentsList"endlendl;

can_open(s);

for(i=0;is.length();i++)

{

a[i].read(i);

a[i].display();

}

coutendl;

system("pause");

voidgive_mark()

inti,j,k=0,id,temp;

boolsuccess=0;

vectorintstudent,mark;

Studenta[999];

Students;

Bookb[999];

Bookc;

system("cls");

coutendl"

GiveMarks"endlendl;

cout"PleaseinputtheIDnumberofbook:";

cinid;

for(i=0;ic.length();i++)

{

b[i].read(i);

if(b[i].get_id()==id)

success=1;

}

if(!success)

cout"Thebook"id"isnotexist."endl;

else

{

cout"Thesestudent(s)areyourstudent(s):";

for(i=0;is.length();i++)

{

a[i].read(i);

a[i].read_book();

for(j=0;ja[i].get_book().size();j++)

if(id==a[i].get_book()[j])

{

k+=1;

coutendlk"."a[i].get_name();

student.push_back(i);

break;

}

}

coutendl"Pleasegivemarks;"endl;

for(i=0;ii++)

{

couta[student[i]].get_name()":

";

cintemp;

a[student[i]].change_book(id,temp);

}

for(i=0;is.length();i++)

a[i].write_book();

coutendl"Givingmarkssuccessfully!";

}

coutendl;

system("pause");

voidchange_password()

stringp1,p2,p3;

system("cls");

coutendl"

ChangeAdministratorPassword."endlendl;

cout"Pleaseinputthepassword:";

getline(cin,p1);

ifstreaminfile("password.txt");

if(!infile)

{

coutendl"Outofservice"endl;

cout"Pleasepressentertoexit."endl;

system("pause");

exit(0);

}

getline(infile,p2);

infile.close();

if(p1==p2)

{

cout"Pleaseinputthenewpassword:";

getline(cin,p3);

ofstreamoutfile("password.txt");

outfilep3;

outfile.close();

cout"Theadministratorpasswordhasbeenchanged.";

}

else

cout"Wrongpassword.";

coutendl;

system("pause");

voidchoose_book(intn)

inti,l,m,id;

boolsuccess=0;

boolcan_choose[999];

Studenta[999];

Students;

Bookb[999];

Bookc;

system("cls");

coutendl"

ChooseMyBooks"endlendl;

can_open(s);

can_open(c);

l=c.length();

for(i=0;is.length();i++)

{

a[i].read(i);

a[i].read_book();

}

cout"

Welcome,"a[n].get_name()endlendl;

for(i=0;ii++)

{

b[i].read(i);

if(((b[i].get_year()==a[n].get_year())||b[i].get_year()==5)(b[i].get_place()0))

{

can_choose[i]=1;

cout"Status:

Available"endl;

b[i].display();

}

else

{

can_choose[i]=0;

cout"Status:

Unavailable"endl;

b[i].display();

}

}

do{

cout"PleaseinputtheIDnumberofthebookyouwanttochoose:";

cinid;

success=0;

for(i=0;ii++)

if(b[i].get_id()==id)

{

m=i;

success=1;

}

}while(!success);

system("cls");

coutendlendlendl;

if(can_choose[m])

{

if(a[n].is_same_book(id))

cout"

Youhaveselectedthebook"idendl;

else

{

b[m].change(b[m].get_id(),b[m].get_name(),b[m].get_prof(),b[m].get_place()-1,b[m].get_year());

ofstreamoutfile("book.txt");

outfile.close();

for(i=0;ii++)

b[i].write();

a[n].add_book(id);

a[n].write_book();

cout"Hereisthelistofyourbooksnow:"endlendl"ID\t\tGrade"endl;

a[n].display_book();

}

}

else

cout"

Thebook'"b[m].get_name()"'cannotbeselected."endl;

system("pause");

voidmy_book(intn)

inti,l;

Studenta[999];

Students;

system("cls");

coutendl"

CheckMyBooksangGrades"endlendl;

can_open(s);

l=s.length();

for(i=0;ii++)

a[i].read(i);

cout"

Welcome,"a[n].get_name()endlendl;

a[n].read_book();

cout"BookID\tGrade"endlendl;

a[n].display_book();

system("pause");

voidcheck_info(intn)

inti,l;

charchoice;

boolsuccess=0;

stringtele,addr,pass;

Studenta[999];

Students;

system("cls");

coutendl"

CheckandChangeMyInformation"endlendl;

can_open(s);

l=s.length();

for(i=0;ii++)

a[i].read(i);

cout"

Welcome,"a[n].get_name()endlendl;

a[n].display();

coutendl"Enter1:Changemyinformation."endl;

cout"Enter2:Changemypassword."endl;

cout"Enterelse:Returntothestudentmenu:";

cinchoice;

getchar();

if(choice=='1')

{

do{

cout"Pleaseinputthenewtelephonenumber:";

getline(cin,tele);

}while(is_same_student_tele(tele));

do{

cout"Pleaseinputthenewaddress:";

getline(cin,addr);

}while(is_same_student_addr(addr));

a[n].change(a[n].get_id(),a[n].get_year(),a[n].get_name(),a[n].get_pass(),a[n].