cricket score sheet mini project in c++ source code , Score Board Project in c++ language in hindi :-
इस प्रोजेक्ट मे , किसी class के student के मार्क्स के हिसाब से score board को बनाया जाता है |Explanation
1. सबसे पहले class student को डेफिन किया जाता है | जिसमे दो तरह के member होते है :-
private member :
इस क्लास मे ,
int Rollnumber : ये student के roll number को hold करता है |
char name[50] : ये student के नाम को hold करता है |
PHISICS_MARKS : ये student के physics subject के मार्क्स को hold करता है |
CHEMISTRY_MARKS: ये student के chemistry subject के मार्क्स को hold करता है |
MATHS_MARKS : ये student के math subject के मार्क्स को hold करता है |
ENGLISH_MARKS :ये student के English subject के मार्क्स को hold करता है |
HINDI_MARKS : ये student के Hindi subject के मार्क्स को hold करता है |
double percentage : ये student द्वारा प्राप्त किये गये percentage को hold करता है |
इसके अलावा इस class मे , निन्म public function है जिससे प्रोजेक्ट के मुख्य operation को perform किया जाता है |
calculate() : इस function का use average को calculate करने एक लिए किया जाता है |
getdata() : इस function का use , student से data को input करने एक लिए किया जाता है |
showdata() : इस function का use data को show करने के लिए किया जाता है |
void class_result(): इस function का use file मे से data को read करके screen पर print करने के लोइए use किया जाता है |
void result() : इस function का use result के menu को print करने के लिए किया जाता है |
इस प्रोग्राम मे file handling को use किया गया है जिससे हम पहले discuss कर चुके है |
#include<iostream>
#include<conio>
#include<string>
void main()
class student {
Private :
int Rollnumber;
char name[50];
int PHISICS_MARKS , CHEMISTRY_MARKS, MATHS_MARKS ,
ENGLISH_MARKS , HINDI_MARKS ;
double percentage;
char grade;
void calculate(); //function
to calculate grade
public:
void getdata(); //function
to accept data from user
void showdata() const; //function to show data on screen
void show_tabular() const;
int retRollnumber() const;
#include<iostream>
#include<fstream>
#include<iomanip>
using namespace std;
// class definition
class student_data
{
int Rollnumber;
char name[50];
int PHISICS_MARKS , CHEMISTRY_MARKS, MATHS_MARKS ,
ENGLISH_MARKS , HINDI_MARKS ;
double percentage;
char grade;
void calculate(); //function
to calculate grade
public:
void getdata(); //function
to accept data from user
void showdata() const; //function to show data on screen
void show_tabular() const;
int retRollnumber() const;
}; //class ends here
void student_data ::calculate()
{
percentage=(PHISICS_MARKS
+CHEMISTRY_MARKS+MATHS_MARKS +ENGLISH_MARKS +HINDI_MARKS )/5.0;
if(percentage>=60)
grade=’A’;
else if(percentage>=50)
grade=’B’;
else if(percentage>=33)
grade=’C’;
else
grade=’F’;
}
void student_data ::getdata()
{
cout<<“\nEnter Roll number : “;
cin>>Rollnumber;
cout<<“\n\nEnter Name : “;
cin.ignore();
cin.getline(name,50);
cout<<“\nEnter marks (Physics) : “;
cin>>PHISICS_MARKS ;
cout<<“\nEnter marks (Chemistry) :
“;
cin>>CHEMISTRY_MARKS;
cout<<“\nEnter marks (Math) : “;
cin>>MATHS_MARKS ;
cout<<“\Enter marks (English) : “;
cin>>ENGLISH_MARKS ;
cout<<“\nEnter marks (Hindi) : “;
cin>>HINDI_MARKS ;
calculate();
}
void student_data ::showdata() const
{
cout<<“\nRoll number of
student_data : “<<Rollnumber;
cout<<“\nName of student_data : “<<name;
cout<<“\nMarks in Physics :
“<<PHISICS_MARKS ;
cout<<“\nMarks in Chemistry :
“<<CHEMISTRY_MARKS;
cout<<“\nMarks in Maths :
“<<MATHS_MARKS ;
cout<<“\nMarks in English :
“<<ENGLISH_MARKS ;
cout<<“\nMarks in Computer Science
:”<<HINDI_MARKS ;
cout<<“\npercentagecentage of
student_data is :”<<percentage;
cout<<“\nGrade of student_data is :”<<grade;
}
void student_data ::show_tabular() const
{
cout<<Rollnumber<<setw(6)<<”
“<<name<<setw(10)<<PHISICS_MARKS
<<setw(4)<<CHEMISTRY_MARKS<<setw(4)<<MATHS_MARKS
<<setw(4)
<<ENGLISH_MARKS
<<setw(4)<<HINDI_MARKS
<<setw(8)<<percentage<<setw(6)<<grade<<endl;
}
int
student_data ::retRollnumber() const
{
return Rollnumber;
}
void write_student_data (); //write the DATA in binary file
void display_all(); //read all DATAs from binary file
void display_sp(int); //accept Rollnumber and read DATA from binary file
void modify_student_data (int); //accept Rollnumber and update
DATA of binary file
void delete_student_data (int); //accept Rollnumber and delete
selected DATAs from binary file
void class_result(); //display all DATAs in tabular format from binary file
void result(); //display
result menu
void intro(); //display
welcome screen
void entry_menu(); //display
entry menu on screen
int main()
{
char ch;
cout.setf(ios::fixed|ios::showpoint);
cout<<setprecision(2); // program outputs
decimal number to two decimal places
intro();
do
{
system(“cls”);
cout<<“\n\n\n\tMAIN MENU”;
cout<<“\n\n\t01. RESULT MENU”;
cout<<“\n\n\t02. ENTRY/EDIT MENU”;
cout<<“\n\n\t03. EXIT”;
cout<<“\n\n\tPlease Select Your Option
(1-3) “;
cin>>ch;
switch(ch)
{
case ‘1’: result();
break;
case ‘2’: entry_menu();
break;
case ‘3’:
break;
default :cout<<“\a”;
}
}while(ch!=’3′);
return 0;
}
void write_student_data ()
{
student_data
st;
ofstream outFile;
outFile.open(“student_data
.dat”,ios::binary|ios::app);
s.getdata();
outFile.write(reinterpret_cast<char *>
(&st), sizeof(student_data ));
outFile.close();
cout<<“\n\nstudent_data DATA Has Been Created “;
cin.ignore();
cin.get();
}
void display_all()
{
student_data
s;
ifstream inFile;
inFile.open(“student_data
.dat”,ios::binary);
if(!inFile)
{
cout<<“File could not be open right now
So Press any Key “;
cin.ignore();
cin.get();
return;
}
cout<<“\n\n\n\t\tDISPLAY ALL DATA
!!!\n\n”;
while(inFile.read(reinterpret_cast<char *>
(&s), sizeof(student_data )))
{
s.showdata();
}
inFile.close();
cin.ignore();
cin.get();
}
void display_student(int n)
{
student_data
st;
ifstream inFile;
inFile.open(“student_data
.dat”,ios::binary);
if(!inFile)
{
cout<<“File could not be open right now
So Press any Key “;
cin.ignore();
cin.get();
return;
}
bool flag=false;
while(inFile.read(reinterpret_cast<char *>
(&st), sizeof(student_data )))
{
if(s.retRollnumber()==n)
{
s.showdata();
flag=true;
}
}
inFile.close();
if(flag==false)
cout<<“\n\nDATA not exist”;
cin.ignore();
cin.get();
}
void modify_student_data (int n)
{
bool found=false;
student_data
st;
fstream File;
File.open(“student_data
.dat”,ios::binary|ios::in|ios::out);
if(!File)
{
cout<<“File could not be open right now
So Press any Key”;
cin.ignore();
cin.get();
return;
}
while(!File.eof() && found==false)
{
File.read(reinterpret_cast<char *>
(&st), sizeof(student_data ));
if(s.retRollnumber()==n)
{
s.showdata();
cout<<“\n\nPlease Enter The New Details
of student_data “<<endl;
s.getdata();
int pos=(-1)*static_cast<int>(sizeof(st));
File.seekp(pos,ios::cur);
File.write(reinterpret_cast<char *>
(&st), sizeof(student_data ));
cout<<“\n\n\t DATA Updated”;
found=true;
}
}
File.close();
if(found==false)
cout<<“\n\n DATA Not Found “;
cin.ignore();
cin.get();
}
void delete_student_data (int n)
{
student_data
st;
ifstream inFile;
inFile.open(“student_data
.dat”,ios::binary);
if(!inFile)
{
cout<<“File could not be open right now
So Press any Key “;
cin.ignore();
cin.get();
return;
}
ofstream outFile;
outFile.open(“Temp.dat”,ios::out);
inFile.seekg(0,ios::beg);
while(inFile.read(reinterpret_cast<char *>
(&st), sizeof(student_data )))
{
if(s.retRollnumber()!=n)
{
outFile.write(reinterpret_cast<char *>
(&st), sizeof(student_data ));
}
}
outFile.close();
inFile.close();
remove(“student_data .dat”);
rename(“Temp.dat”,”student_data
.dat”);
cout<<“\n\n\tDATA Deleted ..”;
cin.ignore();
cin.get();
}
void class_result()
{
student_data
st;
ifstream inFile;
inFile.open(“student_data
.dat”,ios::binary);
if(!inFile)
{
cout<<“File could not be open !! Press
any Key…”;
cin.ignore();
cin.get();
return;
}
cout<<“\n\n\t\tALL student_data S
RESULT \n\n”;
while(inFile.read(reinterpret_cast<char *>
(&st), sizeof(student_data )))
{
s.show_tabular();
}
cin.ignore();
cin.get();
inFile.close();
}
void result()
{
char ch;
int rno;
system(“cls”);
cout<<“\n\n\n\tRESULT MENU”;
cout<<“\n\n\n\t1. Class Result”;
cout<<“\n\n\t2. student_data Report Card”;
cout<<“\n\n\t3. Back to Main
Menu”;
cout<<“\n\n\n\tEnter Choice (1/2/3)?
“;
cin>>ch;
system(“cls”);
switch(ch)
{
case ‘1’ : class_result();
break;
case ‘2’ : cout<<“\n\n\tEnter
Roll Number Of student_data : “;
cin>>rno;
display_sp(rno); break;
case ‘3’ : break;
default: cout<<“\a”;
}
}
void intro()
{
cout<<“\n\n\n\t\t student_data “;
cout<<“\n\n\t\tREPORT CARD”;
cout<<“\n\n\t\t PROJECT”;
cout<<“\n\n\n\tMADE BY : SULABH
AGRAWAL”;
cout<<“\n\tSCHOOL : CAMBRIDGE
SCHOOL”;
cin.get();
}
void entry_menu()
{
char ch;
int num;
system(“cls”);
cout<<“\n\n\n\tENTRY MENU”;
cout<<“\n\n\tC.CREATE student_data DATA “;
cout<<“\n\n\tV.DISPLAY ALL student_data
S DATA “;
cout<<“\n\n\tS.SEARCH student_data DATA “;
cout<<“\n\n\tM.MODIFY student_data DATA”;
cout<<“\n\n\tD.DELETE student_data DATA”;
cout<<“\n\n\tB.BACK TO MAIN MENU”;
cout<<“\n\n\tPlease Enter Your Choice :
“;
cin>>ch;
system(“cls”);
switch(ch)
{
case ‘C’: write_student_data
();
break;
case ‘V’: display_all();
break;
case ‘D’: cout<<“\n\n\tPlease
Enter The roll number for display “;
cin>>num;
display_sp(num);
break;
case ‘M’: cout<<“\n\n\tPlease
Enter The roll number for modify “;
cin>>num;
modify_student_data (num);
break;
case ‘D’: cout<<“\n\n\tPlease
Enter The roll number for delete “;
cin>>num;
delete_student_data (num);
break;
case ‘B’:
break;
default:
cout<<“\a”;
entry_menu();
}
}
Sbistudy