Question: In C++, from this code, This program can add and find name in the text file, but I want to develop it such as the
In C++, from this code, This program can add and find name in the text file, but I want to develop it such as the program can delete or edit file , count number of student and show it. Can I do that? How?
#include
#include
#include
//#include
//#include
using namespace std;
//Structure defining
//For students
struct student
{
string fname;//for student first name
string lname;//for student last name
string Registration;//for Registration No number
string classes;//for class info
}studentData;//Variable of student type
//For teachers
struct teacher
{
string fst_name;//first name of teacher
string lst_name;//last name of teacher
string qualification;//Qualification of teacher
string exp;//Experiance of the person
string pay;//Pay of the Teacher
string subj;//subject whos he/she teach
string lec;//Lecture per Week
//string addrs;//Adders of teacher home
string cel_no;//Phone number
string blod_grp;//Bool Group
string serves;//Number of serves in School
}tech[50];//Variable of teacher type
// for personnel
struct personnel
{
string fsname;//for personnel first name
string lsname;//for personnel last name
string position;//position of personnel
string salary;//salary of personnel
}personnelData;
//Main function
int main()
{
int i = 0, j;//for processing usage
char choice;//for getting choice
string find;//for sorting
string srch;
while (1)//outer loop
{
system("cls");//Clear screen
//Level 1-Display process
cout << " =========================================";
cout << " \t\t\tSCHOOL MANAGEMENT PROGRAM ";
cout << " =========================================";
cout << " \t\t\t MAIN SCREEN ";
cout << "Please enter your choice: " << endl;
cout << "1.Students information" << endl;
cout << "2.Teacher information" << endl;
cout << "3.Personnel information" << endl;
cout << "4.Exit program" << endl;
cout << endl;
cin >> choice;
system("cls");//Clear screen
switch (choice)//First switch
{
case '1': //Student
{
while (1)//inner loop-1
{
system("cls");//Clear screen
//Level-2 display
cout << "\t\t\tSTUDENTS INFORMATION AND BIO DATA SECTION ";
cout << "Enter your choice: " << endl;
cout << "1.Create new entry ";
cout << "2.Find and display entry ";
cout << "3.Back to main ";
cout << endl;
cin >> choice;
switch (choice)//Second switch
{
case '1'://Insert data
{ ofstream f1("student.txt", ios::app);
for (i = 0;choice != 'n';i++)
{
if ((choice == 'y') || (choice == 'Y') || (choice == '1'))
{
cout << "Enter First name: ";
cin >> studentData.fname;
cout << "Enter Last name: ";
cin >> studentData.lname;
cout << "Enter Registration number: ";
cin >> studentData.Registration;
cout << "Enter class: ";
cin >> studentData.classes;
f1 << studentData.fname << endl << studentData.lname << endl << studentData.Registration << endl << studentData.classes << endl;
cout << "Do you want to enter data: ";
cout << "Press Y for Continue and N to Finish: ";
cin >> choice;
}
}
f1.close();
}
continue;//control back to inner loop -1
case '2'://Display data
{ ifstream f2("student.txt");
cout << "Enter First name to be displayed: ";
cin >> find;
cout << endl;
int notFound = 0;
for (j = 0;(j { getline(f2, studentData.fname); if (studentData.fname == find) { notFound = 1; cout << "First Name: " << studentData.fname << endl; getline(f2, studentData.lname); cout << "Last Name: " << studentData.lname << endl; getline(f2, studentData.Registration); cout << "Registration No number: " << studentData.Registration << endl; getline(f2, studentData.classes); cout << "Class: " << studentData.classes << endl << endl; } } if (notFound == 0) { cout << "No Record Found" << endl; } f2.close(); cout << "Press any key one time to proceed"; //system("pause"); getchar();//To hold data on screen getchar();//To hold data on screen } continue;//control back to inner loop -1 case '3'://Back to main { break;//inner switch breaking } } break;//inner loop-1 breaking } continue;//Control pass to 1st loop } case '2'://Teachers biodata { while (1)//inner loop-2 { system("cls");//Clear screen //Level-2 Display process cout << "\t\t\tTEACHERS INFORMATION AND BIODATA SECTION "; cout << "Enter your choice: " << endl; cout << "1.Create new entry "; cout << "2.Find and display "; cout << "3.Back to main "; cout << endl; cin >> choice; switch (choice)//Third switch { case '1'://Insert data { ofstream t1("teacher.txt", ios::app); for (i = 0;choice != 'n'&& choice != 'N';i++) { if ((choice == 'y') || (choice == 'Y') || (choice == '1')) { cout << "Enter First name: "; cin >> tech[i].fst_name; cout << "Enter Last name:: "; cin >> tech[i].lst_name; cout << "Enter qualification: "; cin >> tech[i].qualification; cout << "Enter experiance(year): "; cin >> tech[i].exp; cout << "Enter number of year in this School: "; cin >> tech[i].serves; cout << "Enter Subject whos teach: "; cin >> tech[i].subj; cout << "Enter Lecture(per Week): "; cin >> tech[i].lec; cout << "Enter pay: "; cin >> tech[i].pay; cout << "Enter Phone Number: "; cin >> tech[i].cel_no; cout << "Enter Blood Group: "; cin >> tech[i].blod_grp; t1 << tech[i].fst_name << endl << tech[i].lst_name << endl << tech[i].qualification << endl << tech[i].exp << endl << tech[i].serves << endl << tech[i].subj << endl << tech[i].lec << endl << tech[i].pay << endl << tech[i].cel_no << endl << tech[i].blod_grp << endl; cout << "Do you want to enter data: "; cin >> choice; }//if }//for loop //for finding through name system("cls"); t1.close(); }//case 1 continue;//Control pass to inner loop-2 case '2'://Display data { ifstream t2("teacher.txt"); cout << "Enter name to be displayed: "; cin >> find; cout << endl; int notFound = 0; for (j = 0;((j { getline(t2, tech[j].fst_name); if (tech[j].fst_name == find) { notFound = 1; cout << "First name: " << tech[j].fst_name << endl; getline(t2, tech[j].lst_name); cout << "Last name: " << tech[j].lst_name << endl; getline(t2, tech[j].qualification); cout << "Qualification: " << tech[j].qualification << endl; getline(t2, tech[j].exp); cout << "Experience: " << tech[j].exp << endl; getline(t2, tech[j].serves); cout << "number of year in this School: " << tech[j].serves << endl; getline(t2, tech[j].subj); cout << "Subject whos teach: " << tech[j].subj << endl; getline(t2, tech[j].lec); cout << "Enter Lecture(per Week): " << tech[j].lec << endl; getline(t2, tech[j].pay); cout << "pay: " << tech[j].pay << endl; /* getline(t2, tech[j].addrs); cout << "Address: " << tech[j].addrs << endl; */ getline(t2, tech[j].cel_no); cout << "Phone Number: " << tech[j].cel_no << endl; getline(t2, tech[j].blod_grp); cout << "Bool Group: " << tech[j].blod_grp << endl; }//if }//for loop t2.close(); if (notFound == 0) { cout << "No Record Found" << endl; } cout << "Press any key one time to proceed"; //system("pause"); getchar();//To hold data on screen getchar();//To hold data on screen }//case 2 continue;//Control pass to inner loop-2 case '3'://Jump to main { break;//inner switch }//case 3 }//inner switch break;//inner while }//inner loop continue;//control pass to 1st loop }//outer case 2 case '3': //Personnel { while (1)//inner loop-1 { system("cls");//Clear screen //Level-2 display cout << "\t\t\tPERSONNEL INFORMATION AND BIO DATA SECTION "; cout << "Enter your choice: " << endl; cout << "1.Create new entry "; cout << "2.Find and display entry "; cout << "3.Back to main "; cout << endl; cin >> choice; switch (choice)//Second switch { case '1'://Insert data { ofstream s1("personnel.txt", ios::app); for (i = 0;choice != 'n';i++) { if ((choice == 'y') || (choice == 'Y') || (choice == '1')) { cout << "Enter First name: "; cin >> personnelData.fsname; cout << "Enter Last name: "; cin >> personnelData.lsname; cout << "Enter position: "; cin >> personnelData.position; cout << "Enter salary: "; cin >> personnelData.salary; s1 << personnelData.fsname << endl << personnelData.lsname << endl << personnelData.position << endl << personnelData.salary << endl; cout << "Do you want to enter data: "; cout << "Press Y for Continue and N to Finish: "; cin >> choice; } } s1.close(); } continue;//control back to inner loop -1 case '2'://Display data { ifstream s2("personnel.txt"); cout << "Enter First name to be displayed: "; cin >> find; cout << endl; int notFound = 0; for (j = 0;(j { getline(s2, personnelData.fsname); if (personnelData.fsname == find) { notFound = 1; cout << "First Name: " << personnelData.fsname << endl; getline(s2, personnelData.lsname); cout << "Last Name: " << personnelData.lsname << endl; getline(s2, personnelData.position); cout << "Position: " << personnelData.position << endl; getline(s2, personnelData.salary); cout << "Salary: " << personnelData.salary << endl << endl; } } if (notFound == 0) { cout << "No Record Found" << endl; } s2.close(); cout << "Press any key one time to proceed"; //system("pause"); getchar();//To hold data on screen getchar();//To hold data on screen } continue;//control back to inner loop -1 case '3'://Jump to main { break;//inner switch breaking } } break;//inner loop-1 breaking } continue;//Control pass to 1st loop } /* case '3'://Jump to main { break;//inner switch }//case 3 }//inner switch break;//inner while }//inner loop continue;//control pass to 1st loop }//outer case 2 */ case '4': { break;//outer case 3 }//outer case 3 } break;//outer loop } system("pause"); return 0; }
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