Source code OF LIBRARY MANAGEMENT SYSTEM Project in C++ – Free Download.

#include<iostream.h>
#include<constream.h>
#include<stdlib.h>
#include<graphics.h>
#include<dos.h>
int n,n1;
int i;
int inc=0;
int inc1=0;
class book
{
   public:
   int bookcode;
   char bookname[20];
   char authorname[20];
   char bookpub[20];
   int bookprice;
   int status;
   public:
  void addbook()
{

    clrscr();
    status=1;
    cout<<"\t\t\t   YOU HAVE CHOSEN TO ADD BOOK DETAILS"<<endl;
    cout<<"\t\t\t^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^"<<endl;
    cout<<endl;
    inc++;
    bookcode=100+inc;
    cout<<"\n\tBook code                :"<<bookcode;
    cout<<endl;
    cout<<"\n\tEnter book name          :";
    cin>>bookname;
    cout<<"\n\tEnter author name        :";
    cin>>authorname;
    cout<<"\n\tEnter publishing company :";
    cin>>bookpub;
    cout<<"\n\tEnter book price         :";
    cin>>bookprice;

}
void dispbook()
{
  cout<<bookcode<<"\t\t"<<bookname<<"\t\t"<<authorname<<"\t\t"<<bookpub<<"\t\t"<<bookprice<<endl;
}
void liststat()
{
  if(status==1)
  {
     cout<<"\t\tBookcode:"<<bookcode<<"\t\tStatus:Available"<<endl;
     cout<<endl;
  }
  else
  {
     cout<<"\t\tBookcode:"<<bookcode<<"\t\tStatus:Issued"<<endl;
     cout<<endl;
   }

}
};book b[10];
class student
{
public:
int studid;
char studname[20];
char deptname[20];
int bookcount;
public:
void addstud()
{
    clrscr();
    cout<<"\t\tYOU HAVE CHOSEN TO ADD STUDENT DETAILS"<<endl;
    cout<<"\t\t^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^"<<endl;
    cout<<endl;
    cout<<endl;
    inc1++;
    studid=100+inc1;
    cout<<"\t\tStudent Id            :"<<studid;
    cout<<endl;
    cout<<endl;
    cout<<"\t\tEnter Student Name    :";
    cin>>studname;
    cout<<endl;
    cout<<"\t\tEnter Department Name :";
    cin>>deptname;
    cout<<endl;
    bookcount=2;
    cout<<endl;
    cout<<"\t\tMaximum books allowed for a student:"<<bookcount<<endl;
    cout<<endl;

 }
 void dispstud()
 {
     cout<<"\t"<<studid<<"\t\t"<<studname<<"\t\t"<<deptname<<endl;
    //bookcount=2;
    cout<<endl;
 }
};student s[10];
class issue
{
   public:
   int day,month,year;
   int day2,month2,year2;
   int iday,imon,iyear;
   int rday,rmon,ryear;
   int eday,emon,eyear;
   int yr1,yr2,m1,m2,d1,d2,mons1,mons2,mons,days,yrs,sum,j;
   int  loop;
   int fine;

   public:
   void isdatecalc()
   {
		    cout<<"\t\tEnter day:";
		    cin>>day;
		    cout<<"\t\tEnter month:";
		    cin>>month;
		    cout<<"\t\tEnter year:";
		    cin>>year;
		    day2=day;
		    month2=month;
		    year2=year;
		    day2=day2+20;

			   if(((month2==1)||(month2==3)||(month2==5)||(month2==7)||(month2==8)||(month2==10)||(month2==12))&&((day2>31)))
			    {
				day2=day2-31;
				month2=month2+1;
				if(month2==13)
				 {
				   year2++;
				   month2=1;
				 }
			      }
			   else if(((month2==4)||(month2==6)||(month2==9)||(month2==11))&&((day2>30)))
				 {
				     day2-=30;
				     month2++;
				    }
			    else if(((year2%4==0)||(year2%400==0))&&(day2>29)&&(month==2))
			      {
				day2-=29;
				month2++;
			    }
			    else if(((year2%4!=0)||(year2%100!=0)||(year2%400!=0))&&(day2>28)&&(month2==2))
			    {
			      day2-=28;
			      month2++;
			     }
			     cout<<endl;
 }
 void isdate()
 {
   iday=day;
   imon=month;
   iyear=year;

   cout<<"\t\tIssued date:"<<iday<<"/"<<imon<<"/"<<iyear;
   cout<<endl;
 }
 void retdate()
 {
 rday=day2;
 rmon=month2;
 ryear=year2;
 cout<<"\t\tReturn Date:"<<rday<<"/"<<rmon<<"/"<<ryear<<endl;
  cout<<endl;
 }
 void edatecalc()
 {
   eday=rday;
   emon=rmon;
   eyear=ryear;
		 eday=eday+20;
		 if(((emon==1)||(emon==3)||(emon==5)||(emon==7)||(emon==8)||(emon==10)||(emon==12))&&((eday>31)))
			    {
				eday=eday-31;
				emon=emon+1;
				if(emon==13)
				 {
				   eyear++;
				   emon=1;
				 }
			      }
			   else if(((emon==4)||(emon==6)||(emon==9)||(emon==11))&&((eday>30)))
				 {
				    eday-=30;
				    emon++;
				    }
			    else if(((eyear%4==0)||(eyear%100==0)||(eyear%400==0))&&(eday>29)&&(emon==2))
			      {
				eday-=29;
			       emon++;
			    }
			    else if(((eyear%4!=0)||(eyear%100!=0)||(eyear%400!=0))&&(eday>28)&&(emon==2))
			    {
			      eday-=28;
			      emon++;
			     }
			     cout<<endl;
			     cout<<endl;

		 cout<<"\t\tYour extended due date is:"<<eday<<"/"<<emon<<"/"<<eyear<<endl;
}
 void finecalc();
 }; issue is;
 void issue::finecalc()
{
  int mon[]={31,28,31,30,31,30,31,31,30,31,30,31};
				 loop=365;
				 sum=0;
				  d1=rday;
				 m1=rmon;
				yr1=ryear;
				cout<<endl;
			       cout<<"\t\tYour actual return Date Is: "<<d1<<"/"<<m1<<"/"<<yr1<<endl;
			      cout<<endl;
			      cout<<"\t\tEnter the date of return below.."<<endl;
			      cout<<endl;
			     cout<<"\t\tEnter day:";
			     cin>>d2;
			     cout<<endl;
			      cout<<"\t\tEnter month:";
			     cin>>m2;
			     cout<<endl;
			      cout<<"\t\tEnter year:";
			cin>>yr2;
			cout<<endl;
			days=d2-d1;

			yrs=yr2-yr1;
		   if(m2>=m1)
		   {
		      mons=m1-m2;
		      mons2=abs(mons);
		  }
		  else
		  {
		    mons=m2-m1;
		    mons2=abs(mons);
		  }
		  sum=yrs*loop+mons+days+mons2;
		  if(m2>m1)
		  {
		     j=m1;
		  }
		  else
		  {
		     j=m2;
		  }
		  if(mons2!=0)
		  {


		     for(i=0;i<mons2;i++)
		     {
			sum=sum+mon[j];
			j++;
		      }
		  }
		  cout<<endl;
		  cout<<"\t\tYour date of return:"<<d2<<"/"<<m2<<"/"<<yr2<<endl;
		  cout<<endl;
		  fine=(sum+mons)*1;

		  if((yr1%4==0)||(yr1%400==0)&&(m1==2))
		  {
		     fine=fine+1;
		  }
		 /* if((m1==2)&&(yr1%4!=0)||(yr1%400!=0))

		  {
		    fine=fine-1;
		  }*/

		  cout<<"\t\t\tFine amount:Rs."<<fine<<endl;
		  cout<<"\t\t\t*****************"<<endl;
}

void main()
{
int ch,i;
char ch2,ch3,ch4;
int sbookcode,sstudid;
int flag,flag1,pos,spos,ipos;
int sflag,stpos;
int ibookcode,istudid;
int rbookcode,rstudid;
int rflag1,rflag2;
int rpos1,rpos2,l;

do
{
clrscr();
textcolor(15);
textbackground(4);
cout<<"\t\t\t********%%%%%%%%%%********"<<endl;
cout<<"\t\t\tLIBRARY MANAGEMENT SYSTEM"<<endl;
cout<<"\t\t\t********%%%%%%%%%%********"<<endl;
cout<<endl;

cout<<"\t\t\t\tMAINMENU"<<endl;
cout<<"\t\t\t\t^^^^^^^^"<<endl;
cout<<endl;
cout<<"\t\t  ##############################################"<<endl;
cout<<endl;
cout<<"\t\t$ \t1. TAKE A TOUR OF THE PROJECT.  \t$"<<endl;
cout<<"\t\t$ \t2. ADD  NEW BOOK.               \t$"<<endl;
cout<<"\t\t$ \t3. VIEW ALL BOOK DETAILS.       \t$"<<endl;
cout<<"\t\t$ \t4. SEARCH A BOOK.               \t$"<<endl;
cout<<"\t\t$ \t5. ADD NEW STUDENT.             \t$"<<endl;
cout<<"\t\t$ \t6. DISPLAY ALL STUDENT DETAILS. \t$"<<endl;
cout<<"\t\t$ \t7. VIEW A STUDENT.              \t$"<<endl;
cout<<"\t\t$ \t8. ISSUE  BOOK.                 \t$"<<endl;
cout<<"\t\t$ \t9. RETURN BOOK.                 \t$"<<endl;
cout<<"\t\t$ \t0. EXIT.                        \t$"<<endl;
cout<<endl;
cout<<"\t\t  ##############################################"<<endl;
cout<<endl;
cout<<"\t\t\t\tHit your choice:";
cin>>ch;
switch(ch)
{
	case 1:clrscr();
	       int d,m;
	       d=DETECT;
	       initgraph(&d,&m," ");
	       cleardevice();
	       for(int g=440;g>=-250;g--)
	       {
		   cleardevice();
		   setcolor(5);
		   outtextxy(250,g,"WELCOME TO");
		   outtextxy(230,g+20,"LIBRARY MANAGEMENT");
		   outtextxy(260,g+40,"SYSTEM");
		   setcolor(6);
		   outtextxy(250,g+100,"MADE BY");
		   outtextxy(250,g+120,"*******");
		   outtextxy(180,g+140,"NARMADHA.S.T");
		   setcolor(3);
		   setcolor(12);
		   setbkcolor(14);
		   settextstyle(7,0,5);
		   outtextxy(250,g+250,"THANK YOU");
		   delay(20);
		}
		cleardevice();
		cout<<endl;
		cout<<endl;
		cout<<"\t The Project Library Management System contains three "<<endl;
		cout<<"\t different modules."<<endl;
		cout<<endl;
		cout<<"\t We can add new books,see the list of added books,"<<endl;
		cout<<"\t search a particular book."<<endl;
		cout<<endl;
		cout<<"\t Similarly, we can add new students, view the list of"<<endl;
		cout<<"\t all added students with their course details and view"<<endl;
		cout<<"\t a single student."<<endl;
		cout<<endl;
		cout<<"\t The main module in the project is the issue-return module."<<endl;
		cout<<endl;
		cout<<"\t We can issue only two books to a student.The issued period"<<endl;
		cout<<"\t is for twenty days.So within twenty days, the student should"<<endl;
		cout<<"\t return the book or can extend further for a period of twenty"<<endl;
		cout<<"\t days.If neither returned nor extended,a fine of Re.1/day is"<<endl;
		cout<<"\t collected on the day of return."<<endl;
		cout<<endl<<endl;
		cout<<"\t\t\t\t  THANK YOU"<<endl;
		cout<<endl;

		cout<<"\t\t\t\t Narmadha.S.T"<<endl;
		cout<<endl;
		cout<<endl;
		cout<<"\t\t\t<<-----BACK TO MAIN MENU-----"<<endl;
		getch();
		closegraph();
		main();
		getch();
		break;


	case 2:clrscr();
	cout<<"\t\tYOU HAVE CHOSEN TO ADD BOOK DETAILS"<<endl;
	cout<<"\t\t^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^"<<endl;
	cout<<endl;
	cout<<endl;
	cout<<"\t\tEnter number of books to be added:";
	cin>>n;
	for(i=1;i<=n;i++)
	{
	   cout<<"Enter book code:"<<100+i;
	    b[i].addbook();

	 }

	 cout<<endl;
	 cout<<endl;
	cout<<"\t\t<<-----Back To Main Menu-----"<<endl;
	getch();
	main();
	break;

	 case 3:clrscr();
	 cout<<"\t\t\tLIST OF ALL ADDED BOOKS"<<endl;
	 cout<<"\t\t\t^^^^^^^^^^^^^^^^^^^^^^^"<<endl;
	 cout<<endl;
	 cout<<"**********************************************************************"<<endl;
	 cout<<"BOOKCODE\tBOOKNAME\tAUTHORNAME\tPUB.COMPANY\tPRICE"<<endl;
	 cout<<"**********************************************************************"<<endl;
	 for(i=1;i<=n;i++)
	 {
	   b[i].dispbook();
	 }
	 cout<<endl;
	 cout<<endl;
	 for(i=1;i<=n;i++)
	 {
	    b[i].liststat();
	 }
	 cout<<endl;
	 cout<<"\t\t<<-----Back To Main Menu-----"<<endl;
	 getch();
	main();
	break;

	case 4:clrscr();
	       cout<<"\t\t\tSEARCH  A BOOK"<<endl;
	       cout<<"\t\t\t^^^^^^^^^^^^^^"<<endl;
	       cout<<endl;
	       cout<<"\t\tEnter book code to search:";
	       cin>>sbookcode;
	       for(i=1;i<=n;i++)
	       {
		   if(sbookcode==b[i].bookcode)
		   {
		       flag=1;
		       pos=i;
		    }
		}
		   if(flag==1)
		   {
		       cout<<endl;
		       cout<<"\t\tBook is available!!"<<endl;
		       cout<<endl;
		       cout<<"\t\tTHE BOOK DETAILS ARE..."<<endl;
		       cout<<endl;
		       cout<<"\t\tBook code          :"<<b[pos].bookcode<<endl;
		       cout<<"\t\tBook name          :"<<b[pos].bookname<<endl;
		       cout<<"\t\tAuthor name        :"<<b[pos].authorname<<endl;
		       cout<<"\t\tPublishing company :"<<b[pos].bookpub<<endl;
		       cout<<"\t\tBook price         :"<<b[pos].bookprice<<endl;

		   }
	       else
	       {
		    cout<<endl;
		    cout<<"\t\tSorry!..No Book Exists With Code:"<<sbookcode<<endl;
		}
		cout<<endl;
		cout<<endl;
		cout<<"\t\t"<<"<<-----Back To Main Menu-----"<<endl;
		getch();
		main();
	       break;

	case 5:clrscr();
	       cout<<"\t\tYOU HAVE CHOSEN TO ADD STUDENT DETAILS"<<endl;
	       cout<<"\t\t^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^"<<endl;

	       cout<<endl;
	       cout<<"\t\tEnter number of students to be added:";
	       cin>>n1;
	       for(i=1;i<=n1;i++)
		{
		   s[i].addstud();

		}
	 cout<<endl;
	 cout<<"\t\tNumber of newly added students:"<<n1<<endl;
	cout<<endl;
	cout<<endl;
	cout<<"\t\t<<-----Back To Main Menu-----"<<endl;
	getch();
	main();
	break;

	case 6:clrscr();
	       cout<<"\t\tLIST OF ALL ADDED STUDENTS"<<endl;
	       cout<<"\t\t^^^^^^^^^^^^^^^^^^^^^^^^^^"<<endl;
	 cout<<endl;
	 cout<<"\t******************************************"<<endl;
	 cout<<"\tSTUDENT ID\tSTUDENT NAME\tDEPT NAME"<<endl;
	 cout<<"\t******************************************"<<endl;

	 for(i=1;i<=n1;i++)
	 {
	   s[i].dispstud();

	 }
	 cout<<endl;

	 cout<<"\t<<-----Back To Main Menu-----"<<endl;
	 getch();
	main();
	break;

	case 7:clrscr();
	       cout<<"\t\t\tVIEW A STUDENT"<<endl;
	       cout<<"\t\t\t^^^^^^^^^^^^^^"<<endl;
	       cout<<endl;
	       cout<<"\t\tEnter student id to view:";
	       cin>>sstudid;
	       for(i=1;i<=n1;i++)
	       {
		   if(sstudid==s[i].studid)
		   {
		       sflag=1;
		       stpos=i;
		    }
		}
		   if(sflag==1)
		   {
		       cout<<endl;
		       cout<<"\t\tStudent found!!"<<endl;
		       cout<<endl;
		       cout<<"\t\tTHE STUDENT DETAILS ARE..."<<endl;
		       cout<<endl;
		       cout<<"\t\tStudent name             :"<<s[stpos].studname<<endl;
		       cout<<"\t\tDepartment name          :"<<s[stpos].deptname<<endl;

		   }
	       else
	       {
		    cout<<endl;
		    cout<<"\t\tSorry!..No Student found with this id:"<<sstudid<<endl;
		}
		cout<<endl;
		cout<<endl;
		cout<<"\t\t"<<"<<-----Back To Main Menu-----"<<endl;
		getch();
		main();
	       break;


	case 8:clrscr();
	       cout<<"\t\t YOU HAVE CHOSEN TO ISSUE A BOOK"<<endl;
	       cout<<"\t\t^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^"<<endl;
	       cout<<endl;
		cout<<"\t\tEnter student id:";
		    cin>>istudid;
		    for(i=1;i<=n1;i++)
		  {
		     if(istudid==s[i].studid)
		     {
		       flag=1;
		       spos=i;

		    }
		}

		   if(flag==1)
		   {
		     cout<<"\t\tEnter book code to issue book:";
		     cin>>ibookcode;
		     for(i=1;i<=n;i++)
		     {
		       if(ibookcode==b[i].bookcode)
		       {
			  flag1=1;
			  ipos=i;
		       }
		     }
		   }

		    cout<<endl;


		   if(flag==1)
		     {
		      if(flag1==1)
		      {

		       if(s[spos].bookcount!=0)
		       {
		       if(b[ipos].status==1)
			{

			  s[spos].bookcount--;

			  b[ipos].status=0;
			  cout<<"\t\tDate of issue"<<endl;
			  cout<<"\t\t~~~~~~~~~~~~~"<<endl;
			    is.isdatecalc();
			    is.isdate();
			    is.retdate();
			   cout<<"\t\tThis book is now issued...."<<endl;
			   cout<<endl;
			   cout<<"\t\tBooks allowed now:"<<s[spos].bookcount<<endl;
			   cout<<endl;
			    cout<<"\t Student Id\t Student Name\t BookCode"<<endl;
			    cout<<"\t ----------\t ------------\t --------"<<endl;
		   cout<<"\t "<<s[spos].studid<<"\t\t "<<s[spos].studname<<"\t\t "<<b[ipos].bookcode<<endl;


		 }

			  else
			  {
			  cout<<"\t\tSorry!Book already issued.."<<endl;
			  }

		    }
		     else
		      {
		      cout<<"\t\tSorry!.You cannot take more than two books.."<<endl;
		     }

	       }
		 else
		 {
		 cout<<"\t\tSorry!..No Book Exists With Code:"<<ibookcode<<endl;
		}
	      }
	      else

	      {
		cout<<"\t\tSorry!..No Student Exists with Id:"<<istudid<<endl;
	      }

		cout<<endl;
		cout<<"\t\t<<-----Back To Main Menu-----"<<endl;
		getch();
		main();
	       break;

	       case 9:clrscr();
		      cout<<"\t\tYOU HAVE CHOSEN TO RETURN A BOOK"<<endl;
		      cout<<"\t\t^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^"<<endl;
		      cout<<endl;
		      cout<<"\t\tEnter student id:";
			     cin>>rstudid;
			     cout<<endl;
			     for(i=1;i<=n1;i++)
			   {
			   if(rstudid==s[i].studid)
			   {
			     rflag1=1;
			     rpos1=i;
			   }
			 }




		   if(rflag1==1)
		   {

		     cout<<"\t\tEnter book code to return book:";
		     cin>>rbookcode;
		     cout<<endl;
		     for(i=1;i<=n;i++)
		     {
		       if(rbookcode==b[i].bookcode)
		       {
			  rflag2=1;
			  rpos2=i;
			}
		     }
		   }
		   if(rflag1==1)
		   {
		     if(rflag2==1)
		     {
			cout<<"\tIs the bookcode:"<<b[rpos2].bookcode<<" issued to student id:"<<s[rpos1].studid<<" ?y/n:";
			cin>>ch4;
			if(ch4=='y')
			{
			if(b[rpos2].status==0)
			 {
			    cout<<endl;
			    cout<<"\t\tYou can Return the Book..."<<endl;
			    cout<<endl;
			    is.retdate();
			    cout<<"\t\tAre you sure you want to return this book ?y/n:";
			    cin>>ch2;
			     cout<<endl;
			     if(ch2=='y')
			      {
				 cout<<"\t\t Is the book returned before due date?y/n:";
				 cin>>ch3;
				 cout<<endl;
				  if(ch3=='y')
				  {
				  //   is.retdate();
				    //cout<<endl;
				    cout<<"\t\tBook returned before due date"<<endl;
				    cout<<endl;
				    cout<<"\t\t\tFine - NIL"<<endl;
				   cout<<endl;
				   cout<<"\t\t\t THANK YOU"<<endl;
				   b[rpos2].status=1;
				   s[rpos1].bookcount++;
				   cout<<endl;
				   cout<<"\t\t<<-----Back To Main Menu-----"<<endl;
				   getch();
				   main();
				 }
				 else
				 {
				   clrscr();
				   cout<<endl;
				  cout<<"\t\tYOU HAVE TO PAY FINE !!!"<<endl;

		  is.finecalc();
		  cout<<endl;
		  b[rpos2].status=1;
		  s[rpos1].bookcount++;
		  cout<<"\t\t<<-----Back To Main Menu-----"<<endl;
		  getch();
		  main();
		}
	      }

		  else
		 {
		is.retdate();
		 cout<<endl;
		 cout<<"\t\tYou can extend the book for another twenty days.."<<endl;
		 is.edatecalc();

		}

		  }
		  else
		  {
		   cout<<endl;
		   cout<<"\t\tThis Book is not yet issued from library.. "<<endl;
		  }
		}
		else
		{
		  cout<<endl;
		  cout<<"\t\t This book is not issued to you..Sorry!!!"<<endl;
		}



			}
			  else
			  {
			  cout<<endl;
			  cout<<"\t\tSorry!..No Book Exists With Code:"<<rbookcode<<endl;
			  }

		    }

		     else
		      {
		      cout<<endl;
		      cout<<"\t\tSorry!..No Student Exists With Id:"<<rstudid<<endl;
		     }

		cout<<endl;



		cout<<"\t\t<<-----Back To Main Menu-----"<<endl;
		getch();
		main();
		break;








	case 0:exit(0);
	default: clrscr();
		 cout<<"\t\tYou have entered a wrong choice.."<<endl;
		 cout<<"\t\tPlease Re-enter your choice...."<<endl;
		 cout<<endl;
		 cout<<"\t\t\t<<---Go Back---"<<endl;
		 getch();
		 main();
		 break;


}
}while(ch==0);
getch();
}

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#include<iostream.h>

#include<constream.h>

#include<stdlib.h>

#include<graphics.h>

#include<dos.h>

int n,n1;

int i;

int inc=0;

int inc1=0;

class book

{

public:

int bookcode;

char bookname[20];

char authorname[20];

char bookpub[20];

int bookprice;

int status;

public:

void addbook()

{

clrscr();

status=1;

cout<<"\t\t\t YOU HAVE CHOSEN TO ADD BOOK DETAILS"<<endl;

cout<<"\t\t\t^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^"<<endl;

cout<<endl;

inc++;

bookcode=100+inc;

cout<<"\n\tBook code :"<<bookcode;

cout<<endl;

cout<<"\n\tEnter book name :";

cin>>bookname;

cout<<"\n\tEnter author name :";

cin>>authorname;

cout<<"\n\tEnter publishing company :";

cin>>bookpub;

cout<<"\n\tEnter book price :";

cin>>bookprice;

}

void dispbook()

{

cout<<bookcode<<"\t\t"<<bookname<<"\t\t"<<authorname<<"\t\t"<<bookpub<<"\t\t"<<bookprice<<endl;

}

void liststat()

{

if(status==1)

{

cout<<"\t\tBookcode:"<<bookcode<<"\t\tStatus:Available"<<endl;

cout<<endl;

}

else

{

cout<<"\t\tBookcode:"<<bookcode<<"\t\tStatus:Issued"<<endl;

cout<<endl;

}

};book b[10];

class student

{

public:

int studid;

char studname[20];

char deptname[20];

int bookcount;

public:

void addstud()

{

clrscr();

cout<<"\t\tYOU HAVE CHOSEN TO ADD STUDENT DETAILS"<<endl;

cout<<"\t\t^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^"<<endl;

cout<<endl;

inc1++;

studid=100+inc1;

cout<<"\t\tStudent Id :"<<studid;

cout<<endl;

cout<<"\t\tEnter Student Name :";

cin>>studname;

cout<<endl;

cout<<"\t\tEnter Department Name :";

cin>>deptname;

cout<<endl;

bookcount=2;

cout<<endl;

cout<<"\t\tMaximum books allowed for a student:"<<bookcount<<endl;

cout<<endl;

}

void dispstud()

{

cout<<"\t"<<studid<<"\t\t"<<studname<<"\t\t"<<deptname<<endl;

//bookcount=2;

cout<<endl;

}

};student s[10];

class issue

{

public:

int day,month,year;

int day2,month2,year2;

int iday,imon,iyear;

int rday,rmon,ryear;

int eday,emon,eyear;

int yr1,yr2,m1,m2,d1,d2,mons1,mons2,mons,days,yrs,sum,j;

int loop;

int fine;

public:

void isdatecalc()

{

cout<<"\t\tEnter day:";

cin>>day;

cout<<"\t\tEnter month:";

cin>>month;

cout<<"\t\tEnter year:";

cin>>year;

day2=day;

month2=month;

year2=year;

day2=day2+20;

if(((month2==1)||(month2==3)||(month2==5)||(month2==7)||(month2==8)||(month2==10)||(month2==12))&&((day2>31)))

{

day2=day2-31;

month2=month2+1;

if(month2==13)

{

year2++;

month2=1;

}

else if(((month2==4)||(month2==6)||(month2==9)||(month2==11))&&((day2>30)))

{

day2-=30;

month2++;

}

else if(((year2%4==0)||(year2%400==0))&&(day2>29)&&(month==2))

{

day2-=29;

month2++;

}

else if(((year2%4!=0)||(year2%100!=0)||(year2%400!=0))&&(day2>28)&&(month2==2))

{

day2-=28;

month2++;

}

cout<<endl;

}

void isdate()

{

iday=day;

imon=month;

iyear=year;

cout<<"\t\tIssued date:"<<iday<<"/"<<imon<<"/"<<iyear;

cout<<endl;

}

void retdate()

{

rday=day2;

rmon=month2;

ryear=year2;

cout<<"\t\tReturn Date:"<<rday<<"/"<<rmon<<"/"<<ryear<<endl;

cout<<endl;

}

void edatecalc()

{

eday=rday;

emon=rmon;

eyear=ryear;

eday=eday+20;

if(((emon==1)||(emon==3)||(emon==5)||(emon==7)||(emon==8)||(emon==10)||(emon==12))&&((eday>31)))

{

eday=eday-31;

emon=emon+1;

if(emon==13)

{

eyear++;

emon=1;

}

else if(((emon==4)||(emon==6)||(emon==9)||(emon==11))&&((eday>30)))

{

eday-=30;

emon++;

}

else if(((eyear%4==0)||(eyear%100==0)||(eyear%400==0))&&(eday>29)&&(emon==2))

{

eday-=29;

emon++;

}

else if(((eyear%4!=0)||(eyear%100!=0)||(eyear%400!=0))&&(eday>28)&&(emon==2))

{

eday-=28;

emon++;

}

cout<<endl;

cout<<"\t\tYour extended due date is:"<<eday<<"/"<<emon<<"/"<<eyear<<endl;

}

void finecalc();

}; issue is;

void issue::finecalc()

{

int mon[]={31,28,31,30,31,30,31,31,30,31,30,31};

loop=365;

sum=0;

d1=rday;

m1=rmon;

yr1=ryear;

cout<<endl;

cout<<"\t\tYour actual return Date Is: "<<d1<<"/"<<m1<<"/"<<yr1<<endl;

cout<<endl;

cout<<"\t\tEnter the date of return below.."<<endl;

cout<<endl;

cout<<"\t\tEnter day:";

cin>>d2;

cout<<endl;

cout<<"\t\tEnter month:";

cin>>m2;

cout<<endl;

cout<<"\t\tEnter year:";

cin>>yr2;

cout<<endl;

days=d2-d1;

yrs=yr2-yr1;

if(m2>=m1)

{

mons=m1-m2;

mons2=abs(mons);

}

else

{

mons=m2-m1;

mons2=abs(mons);

}

sum=yrs*loop+mons+days+mons2;

if(m2>m1)

{

j=m1;

}

else

{

j=m2;

}

if(mons2!=0)

{

for(i=0;i<mons2;i++)

{

sum=sum+mon[j];

j++;

}

cout<<endl;

cout<<"\t\tYour date of return:"<<d2<<"/"<<m2<<"/"<<yr2<<endl;

cout<<endl;

fine=(sum+mons)*1;

if((yr1%4==0)||(yr1%400==0)&&(m1==2))

{

fine=fine+1;

}

/* if((m1==2)&&(yr1%4!=0)||(yr1%400!=0))

{

fine=fine-1;

}*/

cout<<"\t\t\tFine amount:Rs."<<fine<<endl;

cout<<"\t\t\t*****************"<<endl;

}

void main()

{

int ch,i;

char ch2,ch3,ch4;

int sbookcode,sstudid;

int flag,flag1,pos,spos,ipos;

int sflag,stpos;

int ibookcode,istudid;

int rbookcode,rstudid;

int rflag1,rflag2;

int rpos1,rpos2,l;

{

clrscr();

textcolor(15);

textbackground(4);

cout<<"\t\t\t********%%%%%%%%%%********"<<endl;

cout<<"\t\t\tLIBRARY MANAGEMENT SYSTEM"<<endl;

cout<<"\t\t\t********%%%%%%%%%%********"<<endl;

cout<<endl;

cout<<"\t\t\t\tMAINMENU"<<endl;

cout<<"\t\t\t\t^^^^^^^^"<<endl;

cout<<endl;

cout<<"\t\t ##############################################"<<endl;

cout<<endl;

cout<<"\t\t$ \t1. TAKE A TOUR OF THE PROJECT. \t$"<<endl;

cout<<"\t\t$ \t2. ADD NEW BOOK. \t$"<<endl;

cout<<"\t\t$ \t3. VIEW ALL BOOK DETAILS. \t$"<<endl;

cout<<"\t\t$ \t4. SEARCH A BOOK. \t$"<<endl;

cout<<"\t\t$ \t5. ADD NEW STUDENT. \t$"<<endl;

cout<<"\t\t$ \t6. DISPLAY ALL STUDENT DETAILS. \t$"<<endl;

cout<<"\t\t$ \t7. VIEW A STUDENT. \t$"<<endl;

cout<<"\t\t$ \t8. ISSUE BOOK. \t$"<<endl;

cout<<"\t\t$ \t9. RETURN BOOK. \t$"<<endl;

cout<<"\t\t$ \t0. EXIT. \t$"<<endl;

cout<<endl;

cout<<"\t\t ##############################################"<<endl;

cout<<endl;

cout<<"\t\t\t\tHit your choice:";

cin>>ch;

switch(ch)

{

case 1:clrscr();

int d,m;

d=DETECT;

initgraph(&d,&m," ");

cleardevice();

for(int g=440;g>=-250;g--)

{

cleardevice();

setcolor(5);

outtextxy(250,g,"WELCOME TO");

outtextxy(230,g+20,"LIBRARY MANAGEMENT");

outtextxy(260,g+40,"SYSTEM");

setcolor(6);

outtextxy(250,g+100,"MADE BY");

outtextxy(250,g+120,"*******");

outtextxy(180,g+140,"NARMADHA.S.T");

setcolor(3);

setcolor(12);

setbkcolor(14);

settextstyle(7,0,5);

outtextxy(250,g+250,"THANK YOU");

delay(20);

}

cleardevice();

cout<<endl;

cout<<"\t The Project Library Management System contains three "<<endl;

cout<<"\t different modules."<<endl;

cout<<endl;

cout<<"\t We can add new books,see the list of added books,"<<endl;

cout<<"\t search a particular book."<<endl;

cout<<endl;

cout<<"\t Similarly, we can add new students, view the list of"<<endl;

cout<<"\t all added students with their course details and view"<<endl;

cout<<"\t a single student."<<endl;

cout<<endl;

cout<<"\t The main module in the project is the issue-return module."<<endl;

cout<<endl;

cout<<"\t We can issue only two books to a student.The issued period"<<endl;

cout<<"\t is for twenty days.So within twenty days, the student should"<<endl;

cout<<"\t return the book or can extend further for a period of twenty"<<endl;

cout<<"\t days.If neither returned nor extended,a fine of Re.1/day is"<<endl;

cout<<"\t collected on the day of return."<<endl;

cout<<endl<<endl;

cout<<"\t\t\t\t THANK YOU"<<endl;

cout<<endl;

cout<<"\t\t\t\t Narmadha.S.T"<<endl;

cout<<endl;

cout<<"\t\t\t<<-----BACK TO MAIN MENU-----"<<endl;

getch();

closegraph();

main();

getch();

break;

case 2:clrscr();

cout<<"\t\tYOU HAVE CHOSEN TO ADD BOOK DETAILS"<<endl;

cout<<"\t\t^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^"<<endl;

cout<<endl;

cout<<"\t\tEnter number of books to be added:";

cin>>n;

for(i=1;i<=n;i++)

{

cout<<"Enter book code:"<<100+i;

b[i].addbook();

}

cout<<endl;

cout<<"\t\t<<-----Back To Main Menu-----"<<endl;

getch();

main();

break;

case 3:clrscr();

cout<<"\t\t\tLIST OF ALL ADDED BOOKS"<<endl;

cout<<"\t\t\t^^^^^^^^^^^^^^^^^^^^^^^"<<endl;

cout<<endl;

cout<<"**********************************************************************"<<endl;

cout<<"BOOKCODE\tBOOKNAME\tAUTHORNAME\tPUB.COMPANY\tPRICE"<<endl;

cout<<"**********************************************************************"<<endl;

for(i=1;i<=n;i++)

{

b[i].dispbook();

}

cout<<endl;

for(i=1;i<=n;i++)

{

b[i].liststat();

}

cout<<endl;

cout<<"\t\t<<-----Back To Main Menu-----"<<endl;

getch();

main();

break;

case 4:clrscr();

cout<<"\t\t\tSEARCH A BOOK"<<endl;

cout<<"\t\t\t^^^^^^^^^^^^^^"<<endl;

cout<<endl;

cout<<"\t\tEnter book code to search:";

cin>>sbookcode;

for(i=1;i<=n;i++)

{

if(sbookcode==b[i].bookcode)

{

flag=1;

pos=i;

}

if(flag==1)

{

cout<<endl;

cout<<"\t\tBook is available!!"<<endl;

cout<<endl;

cout<<"\t\tTHE BOOK DETAILS ARE..."<<endl;

cout<<endl;

cout<<"\t\tBook code :"<<b[pos].bookcode<<endl;

cout<<"\t\tBook name :"<<b[pos].bookname<<endl;

cout<<"\t\tAuthor name :"<<b[pos].authorname<<endl;

cout<<"\t\tPublishing company :"<<b[pos].bookpub<<endl;

cout<<"\t\tBook price :"<<b[pos].bookprice<<endl;

}

else

{

cout<<endl;

cout<<"\t\tSorry!..No Book Exists With Code:"<<sbookcode<<endl;

}

cout<<endl;

cout<<"\t\t"<<"<<-----Back To Main Menu-----"<<endl;

getch();

main();

break;

case 5:clrscr();

cout<<"\t\tYOU HAVE CHOSEN TO ADD STUDENT DETAILS"<<endl;

cout<<"\t\t^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^"<<endl;

cout<<endl;

cout<<"\t\tEnter number of students to be added:";

cin>>n1;

for(i=1;i<=n1;i++)

{

s[i].addstud();

}

cout<<endl;

cout<<"\t\tNumber of newly added students:"<<n1<<endl;

cout<<endl;

cout<<"\t\t<<-----Back To Main Menu-----"<<endl;

getch();

main();

break;

case 6:clrscr();

cout<<"\t\tLIST OF ALL ADDED STUDENTS"<<endl;

cout<<"\t\t^^^^^^^^^^^^^^^^^^^^^^^^^^"<<endl;

cout<<endl;

cout<<"\t******************************************"<<endl;

cout<<"\tSTUDENT ID\tSTUDENT NAME\tDEPT NAME"<<endl;

cout<<"\t******************************************"<<endl;

for(i=1;i<=n1;i++)

{

s[i].dispstud();

}

cout<<endl;

cout<<"\t<<-----Back To Main Menu-----"<<endl;

getch();

main();

break;

case 7:clrscr();

cout<<"\t\t\tVIEW A STUDENT"<<endl;

cout<<"\t\t\t^^^^^^^^^^^^^^"<<endl;

cout<<endl;

cout<<"\t\tEnter student id to view:";

cin>>sstudid;

for(i=1;i<=n1;i++)

{

if(sstudid==s[i].studid)

{

sflag=1;

stpos=i;

}

if(sflag==1)

{

cout<<endl;

cout<<"\t\tStudent found!!"<<endl;

cout<<endl;

cout<<"\t\tTHE STUDENT DETAILS ARE..."<<endl;

cout<<endl;

cout<<"\t\tStudent name :"<<s[stpos].studname<<endl;

cout<<"\t\tDepartment name :"<<s[stpos].deptname<<endl;

}

else

{

cout<<endl;

cout<<"\t\tSorry!..No Student found with this id:"<<sstudid<<endl;

}

cout<<endl;

cout<<"\t\t"<<"<<-----Back To Main Menu-----"<<endl;

getch();

main();

break;

case 8:clrscr();

cout<<"\t\t YOU HAVE CHOSEN TO ISSUE A BOOK"<<endl;

cout<<"\t\t^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^"<<endl;

cout<<endl;

cout<<"\t\tEnter student id:";

cin>>istudid;

for(i=1;i<=n1;i++)

{

if(istudid==s[i].studid)

{

flag=1;

spos=i;

}

if(flag==1)

{

cout<<"\t\tEnter book code to issue book:";

cin>>ibookcode;

for(i=1;i<=n;i++)

{

if(ibookcode==b[i].bookcode)

{

flag1=1;

ipos=i;

}

cout<<endl;

if(flag==1)

{

if(flag1==1)

{

if(s[spos].bookcount!=0)

{

if(b[ipos].status==1)

{

s[spos].bookcount--;

b[ipos].status=0;

cout<<"\t\tDate of issue"<<endl;

cout<<"\t\t~~~~~~~~~~~~~"<<endl;

is.isdatecalc();

is.isdate();

is.retdate();

cout<<"\t\tThis book is now issued...."<<endl;

cout<<endl;

cout<<"\t\tBooks allowed now:"<<s[spos].bookcount<<endl;

cout<<endl;

cout<<"\t Student Id\t Student Name\t BookCode"<<endl;

cout<<"\t ----------\t ------------\t --------"<<endl;

cout<<"\t "<<s[spos].studid<<"\t\t "<<s[spos].studname<<"\t\t "<<b[ipos].bookcode<<endl;

}

else

{

cout<<"\t\tSorry!Book already issued.."<<endl;

}

else

{

cout<<"\t\tSorry!.You cannot take more than two books.."<<endl;

}

else

{

cout<<"\t\tSorry!..No Book Exists With Code:"<<ibookcode<<endl;

}

else

{

cout<<"\t\tSorry!..No Student Exists with Id:"<<istudid<<endl;

}

cout<<endl;

cout<<"\t\t<<-----Back To Main Menu-----"<<endl;

getch();

main();

break;

case 9:clrscr();

cout<<"\t\tYOU HAVE CHOSEN TO RETURN A BOOK"<<endl;

cout<<"\t\t^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^"<<endl;

cout<<endl;

cout<<"\t\tEnter student id:";

cin>>rstudid;

cout<<endl;

for(i=1;i<=n1;i++)

{

if(rstudid==s[i].studid)

{

rflag1=1;

rpos1=i;

}

if(rflag1==1)

{

cout<<"\t\tEnter book code to return book:";

cin>>rbookcode;

cout<<endl;

for(i=1;i<=n;i++)

{

if(rbookcode==b[i].bookcode)

{

rflag2=1;

rpos2=i;

}

if(rflag1==1)

{

if(rflag2==1)

{

cout<<"\tIs the bookcode:"<<b[rpos2].bookcode<<" issued to student id:"<<s[rpos1].studid<<" ?y/n:";

cin>>ch4;

if(ch4=='y')

{

if(b[rpos2].status==0)

{

cout<<endl;

cout<<"\t\tYou can Return the Book..."<<endl;

cout<<endl;

is.retdate();

cout<<"\t\tAre you sure you want to return this book ?y/n:";

cin>>ch2;

cout<<endl;

if(ch2=='y')

{

cout<<"\t\t Is the book returned before due date?y/n:";

cin>>ch3;

cout<<endl;

if(ch3=='y')

{

// is.retdate();

//cout<<endl;

cout<<"\t\tBook returned before due date"<<endl;

cout<<endl;

cout<<"\t\t\tFine - NIL"<<endl;

cout<<endl;

cout<<"\t\t\t THANK YOU"<<endl;

b[rpos2].status=1;

s[rpos1].bookcount++;

cout<<endl;

cout<<"\t\t<<-----Back To Main Menu-----"<<endl;

getch();

main();

}

else

{

clrscr();

cout<<endl;

cout<<"\t\tYOU HAVE TO PAY FINE !!!"<<endl;

is.finecalc();

cout<<endl;

b[rpos2].status=1;

s[rpos1].bookcount++;

cout<<"\t\t<<-----Back To Main Menu-----"<<endl;

getch();

main();

}

else

{

is.retdate();

cout<<endl;

cout<<"\t\tYou can extend the book for another twenty days.."<<endl;

is.edatecalc();

}

else

{

cout<<endl;

cout<<"\t\tThis Book is not yet issued from library.. "<<endl;

}

else

{

cout<<endl;

cout<<"\t\t This book is not issued to you..Sorry!!!"<<endl;

}

else

{

cout<<endl;

cout<<"\t\tSorry!..No Book Exists With Code:"<<rbookcode<<endl;

}

else

{

cout<<endl;

cout<<"\t\tSorry!..No Student Exists With Id:"<<rstudid<<endl;

}

cout<<endl;

cout<<"\t\t<<-----Back To Main Menu-----"<<endl;

getch();

main();

break;

case 0:exit(0);

default: clrscr();

cout<<"\t\tYou have entered a wrong choice.."<<endl;

cout<<"\t\tPlease Re-enter your choice...."<<endl;

cout<<endl;

cout<<"\t\t\t<<---Go Back---"<<endl;

getch();

main();

break;

}

}while(ch==0);

getch();

}

Free Download Source code OF LIBRARY MANAGEMENT SYSTEM Project in C++ – Free Download

Source code OF LIBRARY MANAGEMENT SYSTEM Project in C++ – Free Download

Free Download Source code OF LIBRARY MANAGEMENT SYSTEM Project in C++ – Free Download

Library Management System Software Documentation

Library Management System In Other Languages

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