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I'm having trouble with arrays. In the following program, I can open the file and access the data ok, but when it writes back to the outfile it's messing up the data. The text file is an attachment.
Code://customer class definition # include <iostream.h> # include <fstream.h> # include <iomanip.h> class cust { private: char FirstNameId; char LastNameId; int num_of_recs; int ChkAcctId; double ChkAcctBal; char Overdraft_flg; int SavAcctId; double SavAcctBal; double SvIntrst; int PIN; public: void setFirstNameId (char FirstName) {FirstNameId = FirstName;}; void setLastNameId (char LastName) {LastNameId = LastName;}; void setChkActId (int ChkId) {ChkAcctId = ChkId;}; void setChkAcctBal (double ChkBal) {ChkAcctBal = ChkBal;}; void setOverdraft_flg(char Overd_flg) {Overdraft_flg = Overd_flg;}; void setSavAcctId (int SavId) {SavAcctId = SavId;}; void setSavAcctBal (double SavBal) {SavAcctBal = SavBal;}; void setSvIntrst (double SvIntrstRate) {SvIntrst = SvIntrstRate;}; void setPIN (int PIN_num) {PIN = PIN_num;}; void displayBalance (); void depos (int selec, double depAmnt); void withdrawl (int selec, double withdrawalAmnt); void transferFunds (int transdirect, double transAmnt); int Cust_pin () {return PIN;}; char getFirstNameId() {return FirstNameId;}; char getLastNameId() {return LastNameId;}; int getChkActId () {return ChkAcctId;}; double getChkAcctBal () {return ChkAcctBal;}; char getOverdraft_flg () {return Overdraft_flg;}; int getSavAcctId () {return SavAcctId;}; double getSavAcctBal () {return SavAcctBal;}; double getSvIntrst () {return SvIntrst;}; }; //This function is used to display the balances when called. void cust::displayBalance() { cout <<setprecision(2) <<setiosflags(ios::fixed | ios::showpoint); cout <<endl<< "\t\t\tChecking Account Balance : $"<<ChkAcctBal<<endl; cout << "\t\t\tSavings Account Balance : $"<<SavAcctBal<<endl<<endl<<endl<<endl<<endl <<endl<<endl<<endl<<endl<<endl<<endl; return ; } //This function is designed to process deposits to accounts. It recieves //the targeted account of transaction and the deposit amount. It calculates //the propare balance and sets new balance in array element. A message is //displayed indicating the deposit has been made void cust::depos(int selec, double deposit) { if (selec == 2) { ChkAcctBal = ChkAcctBal + deposit; cout <<setprecision(2) <<setiosflags(ios::fixed | ios::showpoint); cout << "\t\t\tDeposited to Checking: $" <<deposit<<endl<<endl<<endl<<endl<<endl <<endl<<endl<<endl<<endl<<endl<<endl; }//end if if (selec == 1) { SavAcctBal = SavAcctBal + deposit; cout <<setprecision(2) <<setiosflags(ios::fixed | ios::showpoint); cout << "\t\t\tDeposited to Savings: $"<<deposit<<endl<<endl<<endl<<endl<<endl <<endl<<endl<<endl<<endl<<endl<<endl; }//end if } //This function handles all withdrawls from accounts. It determines if withdrawal //will be permitted by checking if overdraft protection is 'Y' and balances on //checking accounts will be less then 0. If withdrawal is from savings account //function will determine whether it will result in a negative balance. If so //withdrawal will not be permitted. Function then updates the array and displays //an appropriate message. void cust::withdrawl(int selec, double withdrawalAmnt) { if (selec == 1 && (SavAcctBal - withdrawalAmnt >= 0) ) { SavAcctBal = SavAcctBal - withdrawalAmnt; cout <<setprecision(2) <<setiosflags(ios::fixed | ios::showpoint); cout <<endl<<"\t\t\tWithdrawal Successfull : $"<<withdrawalAmnt<<endl<<endl<<endl<<endl<<endl <<endl<<endl<<endl<<endl<<endl<<endl; } else if (selec == 1 && (SavAcctBal - withdrawalAmnt < 0) ) { cout << "\t\t\tCannot Complete Transaction"<<endl<<endl; cout <<endl<< "\t\t\t Insufficient Funds"<<endl<<endl<<endl<<endl<<endl <<endl<<endl<<endl<<endl<<endl<<endl; }//end if if (selec == 2 && (ChkAcctBal - withdrawalAmnt >= 0)) { ChkAcctBal = ChkAcctBal - withdrawalAmnt; cout <<setprecision(2) <<setiosflags(ios::fixed | ios::showpoint); cout <<endl<<"\t\t\tWithdrawal Successfull : $"<<withdrawalAmnt<<endl<<endl<<endl<<endl<<endl <<endl<<endl<<endl<<endl<<endl<<endl; } else if (selec == 2 && (ChkAcctBal - withdrawalAmnt < 0) && Overdraft_flg == 'Y') { ChkAcctBal = ChkAcctBal - withdrawalAmnt; cout <<setprecision(2) <<setiosflags(ios::fixed | ios::showpoint); cout <<endl<<"\t\t\tWithdrawal Successfull : $"<<withdrawalAmnt<<endl<<endl<<endl<<endl<<endl <<endl<<endl<<endl<<endl<<endl<<endl; } else if (selec == 2 && (ChkAcctBal - withdrawalAmnt < 0) && Overdraft_flg == 'N') { cout <<"\t\t\tCannot Complete Transaction"<<endl<<endl; cout <<endl<<"\t\t\t Insufficient Funds"<<endl<<endl<<endl<<endl<<endl <<endl<<endl<<endl<<endl<<endl<<endl; }//endif } //This function handles all transfers between accounts. It determines if transfer //will be permitted by checking if overdraft protection is 'Y' and balances on //checking accounts will be less then 0. If transfer is from savings account //function will determine whether it will result in a negative balance. If so //trnasfer will not be permitted. Function then updates the array and displays //an appropriate message. void cust::transferFunds (int transdirect, double transAmnt) { if ( transdirect == 1 && (SavAcctBal - transAmnt >= 0)) { SavAcctBal = SavAcctBal - transAmnt; ChkAcctBal = ChkAcctBal + transAmnt; cout <<setprecision(2) <<setiosflags(ios::fixed | ios::showpoint); cout << "\t\t\t Transfer Successful"<<endl<<endl; cout << "\t\t\t$"<<transAmnt<<" Transferred into Checking"<<endl<<endl<<endl<<endl<<endl <<endl<<endl<<endl<<endl<<endl<<endl; } else if (transdirect == 1 && (SavAcctBal - transAmnt < 0)) { cout <<"\t\t\tCannot Complete Transaction"<<endl<<endl; cout <<"\t\t\t Insufficient Funds"<<endl<<endl<<endl<<endl<<endl <<endl<<endl<<endl<<endl<<endl<<endl; }//end if if ( transdirect == 2 && (ChkAcctBal - transAmnt >= 0)) { ChkAcctBal = ChkAcctBal - transAmnt; SavAcctBal = SavAcctBal + transAmnt; cout <<setprecision(2) <<setiosflags(ios::fixed | ios::showpoint); cout << "\t\t\t Transfer Successful"<<endl<<endl; cout << "\t\t\t$"<<transAmnt<<" Transferred into Savings"<<endl<<endl<<endl<<endl<<endl <<endl<<endl<<endl<<endl<<endl<<endl; } else if ( transdirect == 2 && (ChkAcctBal - transAmnt < 0) && Overdraft_flg == 'Y') { ChkAcctBal = ChkAcctBal - transAmnt; SavAcctBal = SavAcctBal + transAmnt; cout <<setprecision(2) <<setiosflags(ios::fixed | ios::showpoint); cout << "\t\t\t Transfer Successful"<<endl<<endl;; cout << "\t\t\t$"<<transAmnt<<" Transferred into Savings"<<endl<<endl; cout << "\t\t\tOverdraft Proctection Has Been Used"<<endl<<endl<<endl<<endl<<endl <<endl<<endl<<endl<<endl<<endl<<endl; } else if ( transdirect == 2 && (ChkAcctBal - transAmnt < 0) && Overdraft_flg == 'N') { cout << "\t\t\tCannot Complete Transaction"<<endl<<endl; cout << "\t\t\t Insufficient Funds"<<endl<<endl<<endl<<endl<<endl <<endl<<endl<<endl<<endl<<endl<<endl; } } //atm class definition #include <iostream.h> #include <fstream.h> #include <iomanip.h> class atm { private: int pin; int transtype; double amnt; int transDirec; int accnt; public: void setpin(); int getpin() {return pin;}; int displayMenu(); int getAcct(); double getAmnt(); int getDirection(); void clear(); void incorrectPinDisp(int cntr); char ContinueDisp(); void transCompleteDisp(); void atmGoodbye(); }; //this function displays the greeting message and prompts for the users //PIN number which is stored in the class. void atm::setpin() { cout <<endl<<endl<<endl<<endl<<endl; cout <<"\t\t\t------------------------"<<endl; cout <<"\t\t\t- Welcome To -"<<endl; cout <<"\t\t\t- Latona Savings Bank -"<<endl; cout <<"\t\t\t------------------------"<<endl<<endl; cout <<"\t\t\tEnter your Pin Number: "; cin >>pin; } //This function is called once the PIN number is verified against the //customer array. It prompts user to select a transaction and returns //the value back to main. It is designed to keep prompting user until //a valid selection is made. int atm::displayMenu() { int selection = 0; while (selection > 5 || selection < 1) { cout <<endl<< "\t\t\t1 - Display Balance"<<endl; cout << "\t\t\t2 - Deposit"<<endl; cout << "\t\t\t3 - Withdrawl"<<endl; cout << "\t\t\t4 - Transfer Funds"<<endl; cout << "\t\t\t5 - Exit"<<endl; cout << "\t\t\t--------------------"<<endl<<endl<<endl<<endl<<endl <<endl<<endl<<endl<<endl<<endl<<endl; cout << "\t\t\tSelect a Transaction: "; cin >>selection; cout <<endl<<endl<<endl<<endl; if (selection == 1 || selection == 2 || selection == 3 || selection == 4 || selection == 5) { } else { cout <<endl<< "\t\t\tInvalid Selection"<<endl; cout << "\t\t\tSelect 1 through 5 : "; cin >> selection; }//end if }//end while transtype = selection; return selection; } //This function is designed to get the target account for the selected //transaction and return the value back to main. It will Prompt for //target account and validate selection. If selection is not correct //it will continue to prompt until valid selection is made. int atm::getAcct() { int acnttype = 0; while (acnttype < 1 || acnttype > 2) { cout <<endl<< "\t\t\t1 - Savings"<<endl; cout << "\t\t\t2 - Checking"<<endl; cout << "\t\t\t-------------"<<endl<<endl<<endl<<endl<<endl <<endl<<endl<<endl<<endl<<endl<<endl; cout << "\t\t\tSelect Account : "; cin >>acnttype; cin.ignore(100, '\n'); if (acnttype == 1 || acnttype == 2) { } else { cout <<endl<< "\t\t\tInvalid Selection"<<endl; cout << "\t\t\tEnter 1 or 2 : "; cin >>acnttype; cin.ignore(100, '\n'); }//end if }//end while accnt = acnttype; return acnttype; } //This function prompts for an amount for the transaction and returns the //value back to main for further processing. double atm::getAmnt() { double amount = (float) 0.0; cout <<"\t\t\tPlease Enter Transaction Amount"<<endl<<endl<<endl<<endl <<endl<<endl<<endl<<endl<<endl<<endl<<endl; cout << "\t\t\tAmount : $"; cin >>amount; amnt = amount; return amount; } //This function prompts the user for a transaction direction to be used in //determining which direction a transfer should go. User is prompted until //a valid selection is made. int atm::getDirection() { int direct = 0; while (direct < 1 || direct > 2) { cout << "\t\t\t1 - Savings to Checking"<<endl<<endl; cout << "\t\t\t2 - Checking to Savings"<<endl<<endl; cout << "\t\t\t-----------------------"<<endl<<endl<<endl<<endl<<endl <<endl<<endl<<endl<<endl<<endl<<endl; cout << "\t\t\tEnter a Selection : "; cin >>direct; cin.ignore(100, '\n'); if (direct == 1 || direct == 2) { } else { cout <<endl<< "Re-Enter selection 1 or 2"<<endl<<endl; }//end if }//end while transDirec = direct; return direct; } //This function is called when an incorrect PIN number is entered. If //an incorrect number is entered three times it will inform the user //that they have entered three incorrect PIN numbers and program will //terminate. void atm::incorrectPinDisp(int cntr) { if (cntr < 3) { cout <<endl<<endl<<endl<<endl<<endl; cout <<"\t\t\t------------------------"<<endl; cout <<"\t\t\t- Welcome To -"<<endl; cout <<"\t\t\t- Latona Savings Bank -"<<endl; cout <<"\t\t\t------------------------"<<endl<<endl; cout <<endl<< "\t\t Incorrect PIN, Please Re-Enter :"; } else { cout << "\t\t\tYou Have Entered 3 Incorrect Pin Numbers\n"<<endl; cout << "\t\t\t Please Contact Your Bank"<<endl<<endl<<endl<<endl <<endl<<endl<<endl<<endl<<endl<<endl<<endl; }//end if } //this function Prompts the user for a yes or no answer to continue and returns //the value back to main to be evaluated. char atm::ContinueDisp() { char cont = 'Y'; cout <<endl<<"\t\t\tWould You Like Another Transaction? Y/N : "; cin >>cont; cin.ignore(100,'\n'); return cont; } //This function is called when the user terminates the session by choosing // 'n' to continue or option 5 on the main menu. void atm::atmGoodbye() { atm::clear(); cout <<endl<<endl<<endl<<endl<<endl; cout <<"\t\t\t------------------------"<<endl; cout <<"\t\t\t- Thank You -"<<endl; cout <<"\t\t\t- For Banking With Us -"<<endl; cout <<"\t\t\t- Latona Savings Bank -"<<endl; cout <<"\t\t\t------------------------"<<endl<<endl<<endl<<endl<<endl<<endl <<endl<<endl<<endl<<endl<<endl; } //This function is used to clea the screen when called. void atm::clear() { cout<<endl<<endl<<endl<<endl<<endl<<endl<<endl<<endl<<endl<<endl <<endl<<endl<<endl<<endl<<endl<<endl<<endl<<endl<<endl<<endl <<endl<<endl<<endl<<endl<<endl; } # include <iostream.h> # include <fstream.h> # include <stdlib.h> //# include "atm.h" //# include "customer.h" void main() { int menuSelec = 0; int pinHolder = 0; int ArrayNum = 1; int cntr = 1; int selection = 0; int transferDirec = 0; double depAmnt = (float) 0.0; double withdrawlAmnt = (float) 0.0; double transferAmnt = (float) 0.0; char ContSw = 'Y'; //opens infile, checks if opened correctly. //if open fails message is displayed. ifstream custFile; custFile.open("bank.txt"); if (custFile.fail()) { cout << "Unable to Access Bank Records"<<endl; exit(1); };//end if //opens output file, checks if opened correctly. //if opens fails message is displayed. ofstream custUpdate; custUpdate.open("recordUpdate.txt"); if (custUpdate.fail()) { cout << "Error Opening Outfile"<<endl; exit(1); };//end if int numrecs = 0; custFile >> numrecs; cust custArray[50]; atm atm; char FirstName[25]; char LastName[25]; int ChkId; double ChkBal; char Overd_flg; int SavId; double SavBal; double SvIntrstRate; int PIN_num; //Arry is filled with data from the infile. when finished //infile is closed. int x = 0; int y = 0; while (custFile >> FirstName >> LastName >>ChkId>> ChkBal >>Overd_flg >> SavId >> SavBal >> SvIntrstRate >> PIN_num ) { custArray[x].setFirstNameId(FirstName[y]); custArray[x].setLastNameId(LastName[y]); custArray[x].setChkActId(ChkId); custArray[x].setChkAcctBal(ChkBal); custArray[x].setOverdraft_flg(Overd_flg); custArray[x].setSavAcctId(SavId); custArray[x].setSavAcctBal(SavBal); custArray[x].setSvIntrst(SvIntrstRate); custArray[x].setPIN(PIN_num); x++; y++; }//endwhile custFile.close(); //main function calls atm class to prompt user for pin //pin is then returned and vallidated against the customer //class array using the while loop below. atm.setpin(); atm.clear(); pinHolder = atm.getpin(); x = 0; while (cntr < 4) { for ( x = 0; x < numrecs; x++) { if (pinHolder == custArray[x].Cust_pin()) { ArrayNum = x; cntr = 4; break; }//end if }//end for if ( x == numrecs) { if (cntr < 3) { atm.incorrectPinDisp(cntr); cin >> pinHolder; atm.clear(); cntr++; } else { atm.incorrectPinDisp(cntr); exit(0); }//end if }//end if }//end while //Once Pin Number is validated, a do-while loop is used to call the //atm classes menu function to determine what transactions the //user would like to perform. A switch statement determines what //functions will be called. do { if (toupper(ContSw) == 'Y') { menuSelec = atm.displayMenu(); } else if (toupper(ContSw) == 'N' || menuSelec == 5) { atm.atmGoodbye(); break; } switch (menuSelec) { case 1: atm.clear(); custArray[ArrayNum].displayBalance(); ContSw = atm.ContinueDisp(); atm.clear(); break; case 2: atm.clear(); selection = atm.getAcct(); atm.clear(); depAmnt = atm.getAmnt(); atm.clear(); custArray[ArrayNum].depos( selection, depAmnt); ContSw = atm.ContinueDisp(); atm.clear(); break; case 3: atm.clear(); selection = atm.getAcct(); atm.clear(); withdrawlAmnt = atm.getAmnt(); atm.clear(); custArray[ArrayNum].withdrawl( selection, withdrawlAmnt); ContSw = atm.ContinueDisp(); atm.clear(); break; case 4: atm.clear(); transferDirec = atm.getDirection(); atm.clear(); transferAmnt = atm.getAmnt(); atm.clear(); custArray[ArrayNum].transferFunds (transferDirec, transferAmnt); ContSw = atm.ContinueDisp(); atm.clear(); break; case 5: atm.atmGoodbye(); }//end case }while (menuSelec != 5); //the following 'if' statement is used to evaluate the continue switch //and case selection. if conditions are true the 'for' loop writes the //updated array to the outfile and the outfile is closed. Program then //terminates. if (toupper (ContSw) == 'N' || menuSelec == 5) { custUpdate <<numrecs<<endl<<endl; for ( x = 0; x < numrecs; x++) { FirstName[y] = custArray[x].getFirstNameId(); LastName[y] = custArray[x].getLastNameId(); ChkId = custArray[x].getChkActId(); ChkBal= custArray[x].getChkAcctBal(); Overd_flg = custArray[x].getOverdraft_flg(); SavId = custArray[x].getSavAcctId(); SavBal = custArray[x].getSavAcctBal(); SvIntrstRate = custArray[x].getSvIntrst(); PIN_num = custArray[x].Cust_pin(); custUpdate <<setprecision(2)<<setiosflags(ios::fixed | ios::showpoint); custUpdate <<FirstName << " " << LastName << " " << ChkId <<" "<<ChkBal<<" "<<Overd_flg<<" "<<SavId <<" "<<SavBal<<" "<<SvIntrstRate<<" "<<PIN_num<<endl<<endl; }//end for custUpdate.close(); }//end if }//end of main function
