Library Management System In C++ With Source Code
The Library Management System In C++ is written in C++ programming language, This project is based on a concept of recording owned books, issued books, returned books, students who have borrowed and many more. Before stepping into the main system a user has to pass through a login system to get access, there are two types of login i.e Student and Librarian Login. To get access to the Librarian’s account, a password should be provided for the Librarian only. There are many features in this system. The user can also change the password from the system for their own security.
A Library Management System C++ features is after logging in as a student he/she can only view booklists. All the system is controlled by the librarian as he/she can view, search, modify, add, delete books, and Issue books. The other main feature contains re-issue books and returns book.
This Project also includes a downloadable Project In C++ Free Download, just find the downloadable source code below and click to start downloading.
Watch here the full running Library Management System in C++ with Source Code.
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Steps on how to create a Library Management System In C++
Library Management System In C++ With Source Code
- Step 1: Create a new project.
First open the code blocks IDE and click “create a new project“.
- Step 2: Choose console application.
Second click the “console application” and after that click “next“.
- Step 3: Choose C++ language.
Third choose “C++ language” and click “next“.
- Step 4: Name Your Project.
Fourth name the project you’ve created and click “next” after that click “finish“.
- Step 5: The actual code.
You are free to copy the given source code below or download the downloadable source code given.
The Code Given Below Is For The Issuing Module
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void Lib::issue() { char st[50],st1[20]; int b,i,j,d,m,y,dd,mm,yy,cont=0; system("cls"); cout<<"\n\t\t->Please Choose one option :-\n"; cout<<"\n\t\t1.Issue Book\n\n\t\t2.View Issued Book\n\n\t\t3.Search student who isuued books\n\n\t\t4.Reissue Book\n\n\t\t5.Return Book\n\n\t\t6.Go back to menu\n\n\t\tEnter Your Choice : "; cin>>i; fflush(stdin); if(i==1) { system("cls"); b=branch(2); system("cls"); fflush(stdin); cout<<"\n\t\t->Please Enter Details :-\n"; cout<<"\n\t\tEnter Book Name : "; cin.getline(bookname,100); cout<<"\n\t\tEnter Book's ID : "; cin.getline(sc,20); //strcpy(st,sc); der(sc,b,1); cout<<"\n\t\tEnter Student Name : "; cin.getline(auname,100); cout<<"\n\t\tEnter Student's ID : "; cin.getline(sc1,20); cout<<"\n\t\tEnter date : "; cin>>q>>B>>p; ofstream outf("student.txt",ios::binary|ios::app); outf.write((char*)this,sizeof(*this)); outf.close(); cout<<"\n\n\t\tIssue Successfully.\n"; } else if(i==2) { ifstream intf("student.txt",ios::binary); system("cls"); cout<<"\n\t\t->The Details are :-\n"; intf.read((char*)this,sizeof(*this)); i=0; while(!intf.eof()) { i++; cout<<"\n\t\t********** "<<i<<". ********** \n"; cout<<"\n\t\tStudent Name : "<<auname<<"\n\t\t"<<"Student's ID : "<<sc1<<"\n\t\t"<<"Book Name : "<<bookname<<"\n\t\t"<<"Book's ID : "<<sc<<"\n\t\t"<<"Date : "<<q<<"/"<<B<<"/"<<p<<"\n"; intf.read((char*)this,sizeof(*this)); } intf.close(); } else if(i==3) { system("cls"); fflush(stdin); cout<<"\n\t\t->Please Enter Details :-\n"; cout<<"\n\n\t\tEnter Student Name : "; cin.getline(st,50); cout<<"\n\n\t\tEnter Student's ID : "; cin.getline(st1,20); system("cls"); ifstream intf("student.txt",ios::binary); intf.read((char*)this,sizeof(*this)); cont=0; while(!intf.eof()) { for(i=0;sc1[i]!='\0'&&st1[i]!='\0'&&st1[i]==sc1[i];i++); if(sc1[i]=='\0'&&st1[i]=='\0') { cont++; if(cont==1) { cout<<"\n\t\t->The Details are :-\n"; cout<<"\n\t\tStudent Name : "<<auname; cout<<"\n\t\tStudent's ID : "<<sc1; } cout<<"\n\n\t\t******* "<<cont<<". Book details *******\n"; cout<<"\n\t\tBook Name : "<<bookname; cout<<"\n\t\tBook's ID : "<<sc; cout<<"\n\t\tDate : "<<q<<"/"<<B<<"/"<<p<<"\n"; } intf.read((char*)this,sizeof(*this)); } intf.close(); if(cont==0) cout<<"\n\t\tNo record found."; } else if(i==4) { system("cls"); fflush(stdin); cout<<"\n\t\t->Please Enter Details :-\n"; cout<<"\n\n\t\tEnter Student's ID : "; cin.getline(st,50); cout<<"\n\t\tEnter Book's ID : "; cin.getline(st1,20); fstream intf("student.txt",ios::in|ios::out|ios::ate|ios::binary); intf.seekg(0); intf.read((char*)this,sizeof(*this)); while(!intf.eof()) { for(i=0;sc[i]!='\0'&&st1[i]!='\0'&&st1[i]==sc[i];i++); for(j=0;sc1[j]!='\0'&&st[j]!='\0'&&st[j]==sc1[j];j++); if(sc[i]=='\0'&&sc1[j]=='\0'&&st[j]=='\0'&&st1[i]=='\0') { d=q; m=B; y=p; cout<<"\n\t\tEnter New Date : "; cin>>q>>B>>p; fine(d,m,y,q,B,p); //fn1 intf.seekp(intf.tellp()-sizeof(*this)); //fn3 intf.write((char*)this,sizeof(*this)); //fn5 cout<<"\n\n\t\tReissue successfully."; //fn3 break; } intf.read((char*)this,sizeof(*this)); } intf.close(); } else if(i==5) { system("cls"); b=branch(2); system("cls"); fflush(stdin); cout<<"\n\t\t->Please Enter Details :-\n"; cout<<"\n\t\tEnter Book's ID : "; cin.getline(st1,20); der(st1,b,2); cout<<"\n\n\t\tEnter Student's ID : "; cin.getline(st,20); cout<<"\n\t\tEnter Present date : "; cin>>d>>m>>y; ofstream outf("temp.txt",ios::app|ios::binary); ifstream intf("student.txt",ios::binary); intf.read((char*)this,sizeof(*this)); while(!intf.eof()) { for(i=0;sc[i]!='\0'&&st1[i]!='\0'&&st1[i]==sc[i];i++); for(j=0;sc1[j]!='\0'&&st[j]!='\0'&&st[j]==sc1[j];j++); if(sc[i]=='\0'&&sc1[j]=='\0'&&st[j]=='\0'&&st1[i]=='\0'&&cont==0) { cont++; intf.read((char*)this,sizeof(*this)); fine(q,B,p,d,m,y); cout<<"\n\t\tReturned successfully."; } else { outf.write((char*)this,sizeof(*this)); intf.read((char*)this,sizeof(*this)); } } intf.close(); outf.close(); getch(); remove("student.txt"); rename("temp.txt","student.txt"); } else if(i==6) { system("cls"); librarian(); } else cout<<"\n\t\tWrong Input.\n"; cout<<"\n\n\t\tPress any key to continue....."; getch(); system("cls"); librarian(); } |
In this module which is the issuing of the book module.
The Code Given Below Is For The Librarian Account Module
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void Lib::librarian() { int i; cout<<"\n\t************ WELCOME LIBRARIAN ************\n"; cout<<"\n\t\t>>Please Choose One Option:\n"; cout<<"\n\t\t1.View BookList\n\n\t\t2.Search for a Book\n\n\t\t3.Modify/Add Book\n\n\t\t4.Issue Book\n\n\t\t5.Go to main menu\n\n\t\t6.Change Password\n\n\t\t7.Close Application\n"; cout<<"\n\t\tEnter your choice : "; cin>>i; switch(i) { case 1:booklist(2); break; case 2:see(2); break; case 3:modify(); break; case 4:issue(); break; case 5:system("cls"); get(); break; case 6:password(); break; case 7:exit(0); default:cout<<"\n\t\tPlease enter correct option :("; getch(); system("cls"); librarian(); } } void Lib::password() { int i=0,j=0; char ch,st[21],ch1[21]={"pass"}; system("cls"); cout<<"\n\n\t\tEnter Old Password : "; while(1) { ch=getch(); if(ch==13) { st[i]='\0'; break; } else if(ch==8&&i>0) { i--; cout<<"\b \b"; } else { cout<<"*"; st[i]=ch; i++; } } ifstream intf("password.txt"); intf>>ch1; intf.close(); for(i=0;st[i]==ch1[i]&&st[i]!='\0'&&ch1[i]!='\0';i++); if(st[i]=='\0'&&ch1[i]=='\0') { system("cls"); cout<<"\n\t**The Password Should be less than 20 characters & don't use spaces**\n\n"; cout<<"\n\t\tEnter New Password : "; fflush(stdin); i=0; while(1) { j++; ch=getch(); if(ch==13) { for(i=0;st[i]!=' '&&st[i]!='\0';i++); if(j>20 || st[i]==' ') { cout<<"\n\n\t\tYou did't follow the instruction \n\n\t\tPress any key for try again....."; getch(); system("cls"); password(); librarian(); } st[i]='\0'; break; } else if(ch==8&&i>0) { i--; cout<<"\b \b"; } else { cout<<"*"; st[i]=ch; i++; } } ofstream outf("password.txt"); outf<<st; outf.close(); cout<<"\n\n\t\tYour Password has been changed Successfully."; cout<<"\n\t\tPress any key to continue......"; getch(); system("cls"); librarian(); } else { cout<<"\n\n\t\tPassword is incorrect.....\n"; cout<<"\n\t\tEnter 1 for retry or 2 for menu"; cin>>i; if(i==1) { system("cls"); password(); } else { system("cls"); librarian(); } } } |
In this module which is the librarian account that can manage all information inside the library.
The Code Given Below Is For The Student Account Module
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void Lib::student() { int i; cout<<"\n\t************ WELCOME STUDENT ************\n"; cout<<"\n\t\t>>Please Choose One Option:\n"; cout<<"\n\t\t1.View BookList\n\n\t\t2.Search for a Book\n\n\t\t3.Go to main menu\n\n\t\t4.Close Application\n"; cout<<"\n\t\tEnter your choice : "; cin>>i; if(i==1) booklist(1); else if(i==2) see(1); else if(i==3) { system("cls"); get(); } else if(i==4) exit(0); else { cout<<"\n\t\tPlease enter correct option :("; getch(); system("cls"); student(); } } void Lib::pass() { int i=0; char ch,st[21],ch1[21]={"pass"}; cout<<"\n\t\tEnter Password : "; while(1) { ch=getch(); if(ch==13) { st[i]='\0'; break; } else if(ch==8&&i>0) { i--; cout<<"\b \b"; } else { cout<<"*"; st[i]=ch; i++; } } ifstream inf("password.txt"); inf>>ch1; inf.close(); for(i=0;st[i]==ch1[i]&&st[i]!='\0'&&ch1[i]!='\0';i++); if(st[i]=='\0'&&ch1[i]=='\0') { system("cls"); librarian(); } else { cout<<"\n\n\t\tWrong Password.\n\n\t\ttry again.....\n"; getch(); system("cls"); get(); } } |
In this module which is the student account.
Complete Source Code
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#include<iostream> #include<stdio.h> #include<stdlib.h> #include<fstream> #include<string.h> #include<conio.h> using namespace std; class Lib { public: char bookname[100],auname[50],sc[20],sc1[50]; int q,B,p; Lib() { strcpy(bookname,"NO Book Name"); strcpy(auname,"No Author Name"); strcpy(sc,"No Book ID"); strcpy(sc1,"No Book ID"); q=0; B=0; p=0; } void get(); void student(); void pass(); void librarian(); void password(); void getdata(); void show(int); void booklist(int); void modify(); void see(int); int branch(int); void issue(); void der(char[],int,int); void fine(int,int,int,int,int,int); }; void Lib::getdata() { int i; fflush(stdin); cout<<"\n\t\tEnter the details :-\n"; cout<<"\n\t\tEnter Book's Name : "; cin.getline(bookname,100); for(i=0;bookname[i]!='\0';i++) { if(bookname[i]>='a'&&bookname[i]<='z') bookname[i]-=32; } cout<<"\n\t\tEnter Author's Name : "; cin.getline(auname,50); cout<<"\n\t\tEnter Publication name : "; cin.getline(sc1,50); cout<<"\n\t\tEnter Book's ID : "; cin.getline(sc,20); cout<<"\n\t\tEnter Book's Price : "; cin>>p; cout<<"\n\t\tEnter Book's Quantity : "; cin>>q; } void Lib::show(int i) { cout<<"\n\t\tBook Name : "<<bookname<<endl; cout<<"\n\t\tBook's Author Name : "<<auname<<endl; cout<<"\n\t\tBook's ID : "<<sc<<endl; cout<<"\n\t\tBook's Publication : "<<sc1<<endl; if(i==2) { cout<<"\n\t\tBook's Price : "<<p<<endl; cout<<"\n\t\tBook's Quantity : "<<q<<endl; } } void Lib::booklist(int i) { int b,r=0; system("cls"); b=branch(i); system("cls"); ifstream intf("Booksdata.txt",ios::binary); if(!intf) cout<<"\n\t\tFile Not Found."; else { cout<<"\n\t ************ Book List ************ \n\n"; intf.read((char*)this,sizeof(*this)); while(!intf.eof()) { if(b==B) { if(q==0 && i==1) { } else { r++; cout<<"\n\t\t********** "<<r<<". ********** \n"; show(i); } } intf.read((char*)this,sizeof(*this)); } } cout<<"\n\t\tPress any key to continue....."; getch(); system("cls"); if(i==1) student(); else librarian(); } void Lib::modify() { char ch,st1[100]; int i=0,b,cont=0; system("cls"); cout<<"\n\t\t>>Please Choose one option :-\n"; cout<<"\n\t\t1.Modification In Current Books\n\n\t\t2.Add New Book\n\n\t\t3.Delete A Book\n\n\t\t4.Go back\n"; cout<<"\n\n\t\tEnter your choice : "; cin>>i; if(i==1) { system("cls"); b=branch(2); ifstream intf1("Booksdata.txt",ios::binary); if(!intf1) { cout<<"\n\t\tFile Not Found\n"; cout<<"\n\t\tPress any key to continue....."; getch(); system("cls"); librarian(); } intf1.close(); system("cls"); cout<<"\n\t\tPlease Choose One Option :-\n"; cout<<"\n\t\t1.Search By Book Name\n\n\t\t2.Search By Book's ID\n"; cout<<"\n\t\tEnter Your Choice : "; cin>>i; fflush(stdin); if(i==1) { system("cls"); cout<<"\n\t\tEnter Book Name : "; cin.getline(st1,100); system("cls"); fstream intf("Booksdata.txt",ios::in|ios::out|ios::ate|ios::binary); intf.seekg(0); intf.read((char*)this,sizeof(*this)); while(!intf.eof()) { for(i=0;b==B&&bookname[i]!='\0'&&st1[i]!='\0'&&(st1[i]==bookname[i]||st1[i]==bookname[i]+32);i++); if(bookname[i]=='\0'&&st1[i]=='\0') { cont++; getdata(); intf.seekp(intf.tellp()-sizeof(*this)); intf.write((char*)this,sizeof(*this)); break; } intf.read((char*)this,sizeof(*this)); } intf.close(); } else if(i==2) { cout<<"\n\t\tEnter Book's ID : "; cin.getline(st1,100); system("cls"); fstream intf("Booksdata.txt",ios::in|ios::out|ios::ate|ios::binary); intf.seekg(0); intf.read((char*)this,sizeof(*this)); while(!intf.eof()) { for(i=0;b==B&&sc[i]!='\0'&&st1[i]!='\0'&&st1[i]==sc[i];i++); if(sc[i]=='\0'&&st1[i]=='\0') { cont++; getdata(); intf.seekp(intf.tellp()-sizeof(*this)); intf.write((char*)this,sizeof(*this)); break; } intf.read((char*)this,sizeof(*this)); } intf.close(); } else { cout<<"\n\t\tIncorrect Input.....:(\n"; cout<<"\n\t\tPress any key to continue....."; getch(); system("cls"); modify(); } if(cont==0) { cout<<"\n\t\tBook Not Found.\n"; cout<<"\n\t\tPress any key to continue....."; getch(); system("cls"); modify(); } else cout<<"\n\t\tUpdate Successful.\n"; } else if(i==2) { system("cls"); B=branch(2); system("cls"); getdata(); ofstream outf("Booksdata.txt",ios::app|ios::binary); outf.write((char*)this,sizeof(*this)); outf.close(); cout<<"\n\t\tBook added Successfully.\n"; } else if(i==3) { system("cls"); b=branch(2); ifstream intf1("Booksdata.txt",ios::binary); if(!intf1) { cout<<"\n\t\tFile Not Found\n"; cout<<"\n\t\tPress any key to continue....."; getch(); intf1.close(); system("cls"); librarian(); } intf1.close(); system("cls"); cout<<"\n\t\tPlease Choose One Option for deletion:-\n"; cout<<"\n\t\t1.By Book Name\n\n\t\t2.By Book's ID\n"; cout<<"\n\t\tEnter Your Choice : "; cin>>i; fflush(stdin); if(i==1) { system("cls"); cout<<"\n\t\tEnter Book Name : "; cin.getline(st1,100); ofstream outf("temp.txt",ios::app|ios::binary); ifstream intf("Booksdata.txt",ios::binary); intf.read((char*)this,sizeof(*this)); while(!intf.eof()) { for(i=0;b==B&&bookname[i]!='\0'&&st1[i]!='\0'&&(st1[i]==bookname[i]||st1[i]==bookname[i]+32);i++); if(bookname[i]=='\0'&&st1[i]=='\0') { cont++; intf.read((char*)this,sizeof(*this)); } else { outf.write((char*)this,sizeof(*this)); intf.read((char*)this,sizeof(*this)); } } intf.close(); outf.close(); remove("Booksdata.txt"); rename("temp.txt","Booksdata.txt"); } else if(i==2) { cout<<"\n\t\tEnter Book's ID : "; cin.getline(st1,100); ofstream outf("temp.txt",ios::app|ios::binary); ifstream intf("Booksdata.txt",ios::binary); intf.read((char*)this,sizeof(*this)); while(!intf.eof()) { for(i=0;b==B&&sc[i]!='\0'&&st1[i]!='\0'&&st1[i]==sc[i];i++); if(sc[i]=='\0'&&st1[i]=='\0') { cont++; intf.read((char*)this,sizeof(*this)); } else { outf.write((char*)this,sizeof(*this)); intf.read((char*)this,sizeof(*this)); } } outf.close(); intf.close(); remove("Booksdata.txt"); rename("temp.txt","Booksdata.txt"); } else { cout<<"\n\t\tIncorrect Input.....:(\n"; cout<<"\n\t\tPress any key to continue....."; getch(); system("cls"); modify(); } if(cont==0) { cout<<"\n\t\tBook Not Found.\n"; cout<<"\n\t\tPress any key to continue....."; getch(); system("cls"); modify(); } else cout<<"\n\t\tDeletion Successful.\n"; } else if(i==4) { system("cls"); librarian(); } else { cout<<"\n\t\tWrong Input.\n"; cout<<"\n\t\tPress any key to continue....."; getch(); system("cls"); modify(); } cout<<"\n\t\tPress any key to continue....."; getch(); system("cls"); librarian(); } int Lib::branch(int x) { int i; cout<<"\n\t\t>>Please Choose one Branch :-\n"; cout<<"\n\t\t1.IT DEPARTMENT\n\n\t\t2.EDUCATION DEPARTMENT\n\n\t\t3.CRIMINOLOGY DEPARTMENT\n\n\t\t4.BA DEPARTMENT\n\n\t\t5.ENGENEERING DEPARTMENT\n\n\t\t6.COMSCI\n\n\t\t7.Go to menu\n"; cout<<"\n\t\tEnter youur choice : "; cin>>i; switch(i) { case 1: return 1; break; case 2: return 2; break; case 3: return 3; break; case 4: return 4; break; case 5: return 5; break; case 6: return 6; break; case 7: system("cls"); if(x==1) student(); else librarian(); default : cout<<"\n\t\tPlease enter correct option :("; getch(); system("cls"); branch(x); } } void Lib::see(int x) { int i,b,cont=0; char ch[100]; system("cls"); b=branch(x); ifstream intf("Booksdata.txt",ios::binary); if(!intf) { cout<<"\n\t\tFile Not Found.\n"; cout<<"\n\t\t->Press any key to continue....."; getch(); system("cls"); if(x==1) student(); else librarian(); } system("cls"); cout<<"\n\t\tPlease Choose one option :-\n"; cout<<"\n\t\t1.Search By Name\n\n\t\t2.Search By Book's ID\n"; cout<<"\n\t\tEnter Your Choice : "; cin>>i; fflush(stdin); intf.read((char*)this,sizeof(*this)); if(i==1) { cout<<"\n\t\tEnter Book's Name : "; cin.getline(ch,100); system("cls"); while(!intf.eof()) { for(i=0;b==B&&q!=0&&bookname[i]!='\0'&&ch[i]!='\0'&&(ch[i]==bookname[i]||ch[i]==bookname[i]+32);i++); if(bookname[i]=='\0'&&ch[i]=='\0') { cout<<"\n\t\tBook Found :-\n"; show(x); cont++; break; } intf.read((char*)this,sizeof(*this)); } } else if(i==2) { cout<<"\n\t\tEnter Book's ID : "; cin.getline(ch,100); system("cls"); while(!intf.eof()) { for(i=0;b==B&&q!=0&&sc[i]!='\0'&&ch[i]!='\0'&&ch[i]==sc[i];i++); if(sc[i]=='\0'&&ch[i]=='\0') { cout<<"\n\t\tBook Found :-\n"; show(x); cont++; break; } intf.read((char*)this,sizeof(*this)); } } else { cont++; cout<<"\n\t\tPlease enter correct option :("; getch(); system("cls"); see(x); } intf.close(); if(cont==0) cout<<"\n\t\tThis Book is not available :( \n"; cout<<"\n\t\tPress any key to continue....."; getch(); system("cls"); if(x==1) student(); else librarian(); } void Lib::issue() { char st[50],st1[20]; int b,i,j,d,m,y,dd,mm,yy,cont=0; system("cls"); cout<<"\n\t\t->Please Choose one option :-\n"; cout<<"\n\t\t1.Issue Book\n\n\t\t2.View Issued Book\n\n\t\t3.Search student who isuued books\n\n\t\t4.Reissue Book\n\n\t\t5.Return Book\n\n\t\t6.Go back to menu\n\n\t\tEnter Your Choice : "; cin>>i; fflush(stdin); if(i==1) { system("cls"); b=branch(2); system("cls"); fflush(stdin); cout<<"\n\t\t->Please Enter Details :-\n"; cout<<"\n\t\tEnter Book Name : "; cin.getline(bookname,100); cout<<"\n\t\tEnter Book's ID : "; cin.getline(sc,20); //strcpy(st,sc); der(sc,b,1); cout<<"\n\t\tEnter Student Name : "; cin.getline(auname,100); cout<<"\n\t\tEnter Student's ID : "; cin.getline(sc1,20); cout<<"\n\t\tEnter date : "; cin>>q>>B>>p; ofstream outf("student.txt",ios::binary|ios::app); outf.write((char*)this,sizeof(*this)); outf.close(); cout<<"\n\n\t\tIssue Successfully.\n"; } else if(i==2) { ifstream intf("student.txt",ios::binary); system("cls"); cout<<"\n\t\t->The Details are :-\n"; intf.read((char*)this,sizeof(*this)); i=0; while(!intf.eof()) { i++; cout<<"\n\t\t********** "<<i<<". ********** \n"; cout<<"\n\t\tStudent Name : "<<auname<<"\n\t\t"<<"Student's ID : "<<sc1<<"\n\t\t"<<"Book Name : "<<bookname<<"\n\t\t"<<"Book's ID : "<<sc<<"\n\t\t"<<"Date : "<<q<<"/"<<B<<"/"<<p<<"\n"; intf.read((char*)this,sizeof(*this)); } intf.close(); } else if(i==3) { system("cls"); fflush(stdin); cout<<"\n\t\t->Please Enter Details :-\n"; cout<<"\n\n\t\tEnter Student Name : "; cin.getline(st,50); cout<<"\n\n\t\tEnter Student's ID : "; cin.getline(st1,20); system("cls"); ifstream intf("student.txt",ios::binary); intf.read((char*)this,sizeof(*this)); cont=0; while(!intf.eof()) { for(i=0;sc1[i]!='\0'&&st1[i]!='\0'&&st1[i]==sc1[i];i++); if(sc1[i]=='\0'&&st1[i]=='\0') { cont++; if(cont==1) { cout<<"\n\t\t->The Details are :-\n"; cout<<"\n\t\tStudent Name : "<<auname; cout<<"\n\t\tStudent's ID : "<<sc1; } cout<<"\n\n\t\t******* "<<cont<<". Book details *******\n"; cout<<"\n\t\tBook Name : "<<bookname; cout<<"\n\t\tBook's ID : "<<sc; cout<<"\n\t\tDate : "<<q<<"/"<<B<<"/"<<p<<"\n"; } intf.read((char*)this,sizeof(*this)); } intf.close(); if(cont==0) cout<<"\n\t\tNo record found."; } else if(i==4) { system("cls"); fflush(stdin); cout<<"\n\t\t->Please Enter Details :-\n"; cout<<"\n\n\t\tEnter Student's ID : "; cin.getline(st,50); cout<<"\n\t\tEnter Book's ID : "; cin.getline(st1,20); fstream intf("student.txt",ios::in|ios::out|ios::ate|ios::binary); intf.seekg(0); intf.read((char*)this,sizeof(*this)); while(!intf.eof()) { for(i=0;sc[i]!='\0'&&st1[i]!='\0'&&st1[i]==sc[i];i++); for(j=0;sc1[j]!='\0'&&st[j]!='\0'&&st[j]==sc1[j];j++); if(sc[i]=='\0'&&sc1[j]=='\0'&&st[j]=='\0'&&st1[i]=='\0') { d=q; m=B; y=p; cout<<"\n\t\tEnter New Date : "; cin>>q>>B>>p; fine(d,m,y,q,B,p); //fn1 intf.seekp(intf.tellp()-sizeof(*this)); //fn3 intf.write((char*)this,sizeof(*this)); //fn5 cout<<"\n\n\t\tReissue successfully."; //fn3 break; } intf.read((char*)this,sizeof(*this)); } intf.close(); } else if(i==5) { system("cls"); b=branch(2); system("cls"); fflush(stdin); cout<<"\n\t\t->Please Enter Details :-\n"; cout<<"\n\t\tEnter Book's ID : "; cin.getline(st1,20); der(st1,b,2); cout<<"\n\n\t\tEnter Student's ID : "; cin.getline(st,20); cout<<"\n\t\tEnter Present date : "; cin>>d>>m>>y; ofstream outf("temp.txt",ios::app|ios::binary); ifstream intf("student.txt",ios::binary); intf.read((char*)this,sizeof(*this)); while(!intf.eof()) { for(i=0;sc[i]!='\0'&&st1[i]!='\0'&&st1[i]==sc[i];i++); for(j=0;sc1[j]!='\0'&&st[j]!='\0'&&st[j]==sc1[j];j++); if(sc[i]=='\0'&&sc1[j]=='\0'&&st[j]=='\0'&&st1[i]=='\0'&&cont==0) { cont++; intf.read((char*)this,sizeof(*this)); fine(q,B,p,d,m,y); cout<<"\n\t\tReturned successfully."; } else { outf.write((char*)this,sizeof(*this)); intf.read((char*)this,sizeof(*this)); } } intf.close(); outf.close(); getch(); remove("student.txt"); rename("temp.txt","student.txt"); } else if(i==6) { system("cls"); librarian(); } else cout<<"\n\t\tWrong Input.\n"; cout<<"\n\n\t\tPress any key to continue....."; getch(); system("cls"); librarian(); } void Lib::fine(int d,int m,int y,int dd,int mm,int yy) { long int n1,n2; int years,l,i; const int monthDays[12] = {31, 28, 31, 30, 31, 30,31, 31, 30, 31, 30, 31}; n1 = y*365 + d; for (i=0; i<m - 1; i++) n1 += monthDays[i]; //fn1353 years = y; if (m <= 2) years--; l= years / 4 - years / 100 + years / 400; n1 += l; n2 = yy*365 + dd; for (i=0; i<mm - 1; i++) n2 += monthDays[i]; years = yy; if (m <= 2) years--; l= years / 4 - years / 100 + years / 400; n2 += l; n1=n2-n1; n2=n1-15; if(n2>0) cout<<"\n\t\tThe Total Fine is : "<<n2; } void Lib::der(char st[],int b,int x) { int i,cont=0; fstream intf("Booksdata.txt",ios::in|ios::out|ios::ate|ios::binary); intf.seekg(0); intf.read((char*)this,sizeof(*this)); while(!intf.eof()) { for(i=0;b==B&&sc[i]!='\0'&&st[i]!='\0'&&st[i]==sc[i];i++); if(sc[i]=='\0'&&st[i]=='\0') { cont++; if(x==1) { q--; } else { q++; } intf.seekp(intf.tellp()-sizeof(*this)); intf.write((char*)this,sizeof(*this)); break; } intf.read((char*)this,sizeof(*this)); } if(cont==0) { cout<<"\n\t\tBook not found.\n"; cout<<"\n\n\t\tPress any key to continue....."; getch(); system("cls"); issue(); } intf.close(); } void Lib::get() { int i; cout<<"\n\t*********** LIBRARY MANAGEMENT SYSTEM ***********\n"<<"\n\t\t\t L M S C++\n"; cout<<"\n\t\t>>Please Choose Any Option To login \n"; cout<<"\n\t\t1.Student\n\n\t\t2.Librarian\n\n\t\t3.Close Application\n"; cout<<"\n\t\tEnter your choice : "; cin>>i; if(i==1) { system("cls"); student(); } else if(i==2) pass(); else if(i==3) exit(0); else { cout<<"\n\t\tPlease enter correct option :("; getch(); system("CLS"); get(); } } void Lib::student() { int i; cout<<"\n\t************ WELCOME STUDENT ************\n"; cout<<"\n\t\t>>Please Choose One Option:\n"; cout<<"\n\t\t1.View BookList\n\n\t\t2.Search for a Book\n\n\t\t3.Go to main menu\n\n\t\t4.Close Application\n"; cout<<"\n\t\tEnter your choice : "; cin>>i; if(i==1) booklist(1); else if(i==2) see(1); else if(i==3) { system("cls"); get(); } else if(i==4) exit(0); else { cout<<"\n\t\tPlease enter correct option :("; getch(); system("cls"); student(); } } void Lib::pass() { int i=0; char ch,st[21],ch1[21]={"pass"}; cout<<"\n\t\tEnter Password : "; while(1) { ch=getch(); if(ch==13) { st[i]='\0'; break; } else if(ch==8&&i>0) { i--; cout<<"\b \b"; } else { cout<<"*"; st[i]=ch; i++; } } ifstream inf("password.txt"); inf>>ch1; inf.close(); for(i=0;st[i]==ch1[i]&&st[i]!='\0'&&ch1[i]!='\0';i++); if(st[i]=='\0'&&ch1[i]=='\0') { system("cls"); librarian(); } else { cout<<"\n\n\t\tWrong Password.\n\n\t\ttry again.....\n"; getch(); system("cls"); get(); } } void Lib::librarian() { int i; cout<<"\n\t************ WELCOME LIBRARIAN ************\n"; cout<<"\n\t\t>>Please Choose One Option:\n"; cout<<"\n\t\t1.View BookList\n\n\t\t2.Search for a Book\n\n\t\t3.Modify/Add Book\n\n\t\t4.Issue Book\n\n\t\t5.Go to main menu\n\n\t\t6.Change Password\n\n\t\t7.Close Application\n"; cout<<"\n\t\tEnter your choice : "; cin>>i; switch(i) { case 1:booklist(2); break; case 2:see(2); break; case 3:modify(); break; case 4:issue(); break; case 5:system("cls"); get(); break; case 6:password(); break; case 7:exit(0); default:cout<<"\n\t\tPlease enter correct option :("; getch(); system("cls"); librarian(); } } void Lib::password() { int i=0,j=0; char ch,st[21],ch1[21]={"pass"}; system("cls"); cout<<"\n\n\t\tEnter Old Password : "; while(1) { ch=getch(); if(ch==13) { st[i]='\0'; break; } else if(ch==8&&i>0) { i--; cout<<"\b \b"; } else { cout<<"*"; st[i]=ch; i++; } } ifstream intf("password.txt"); intf>>ch1; intf.close(); for(i=0;st[i]==ch1[i]&&st[i]!='\0'&&ch1[i]!='\0';i++); if(st[i]=='\0'&&ch1[i]=='\0') { system("cls"); cout<<"\n\t**The Password Should be less than 20 characters & don't use spaces**\n\n"; cout<<"\n\t\tEnter New Password : "; fflush(stdin); i=0; while(1) { j++; ch=getch(); if(ch==13) { for(i=0;st[i]!=' '&&st[i]!='\0';i++); if(j>20 || st[i]==' ') { cout<<"\n\n\t\tYou did't follow the instruction \n\n\t\tPress any key for try again....."; getch(); system("cls"); password(); librarian(); } st[i]='\0'; break; } else if(ch==8&&i>0) { i--; cout<<"\b \b"; } else { cout<<"*"; st[i]=ch; i++; } } ofstream outf("password.txt"); outf<<st; outf.close(); cout<<"\n\n\t\tYour Password has been changed Successfully."; cout<<"\n\t\tPress any key to continue......"; getch(); system("cls"); librarian(); } else { cout<<"\n\n\t\tPassword is incorrect.....\n"; cout<<"\n\t\tEnter 1 for retry or 2 for menu"; cin>>i; if(i==1) { system("cls"); password(); } else { system("cls"); librarian(); } } } int main() { Lib obj; obj.get(); getch(); return 0; } |
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Summary
The whole project is designed in ‘C++’ language and different variables and strings have been used for the development of this project. This mini project is easy to operate and understand by the users.
This simple project can enhance the knowledge of the beginners or the students to develop their skills in programming, also this project is easy to understand the module and their variables.
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