📄 a project of bank.cpp
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clear(5,23) ;
gotoxy(5,23) ;
cout <<"ENTER ADDRESS OF THE PERSON" ;
valid = 1 ;
gotoxy(15,11) ;
gets(t_address) ;
strupr(t_address) ;
if (t_address[0] == '0')
return ;
if (strlen(t_address) == 0 || strlen(t_address) > 55)
{
valid = 0 ;
gotoxy(5,23) ;
cprintf("\7SHOULD NOT BLANK OR GREATER THAN 55") ;
getch() ;
}
} while (!valid) ;
do
{
char vari[30] ;
clear(31,12) ;
clear(5,23) ;
gotoxy(5,23) ;
cout <<"ENTER NAME OF THE VERIFYING PERSON" ;
valid = 1 ;
gotoxy(31,12) ;
gets(vari) ;
strupr(vari) ;
if (vari[0] == '0')
return ;
if (strlen(vari) == 0 || strlen(vari) > 25)
{
valid = 0 ;
gotoxy(5,23) ;
cprintf("\7SHOULD NOT BLANK OR GREATER THAN 25") ;
getch() ;
}
} while (!valid) ;
do
{
clear(23,14) ;
clear(5,23) ;
gotoxy(5,23) ;
cout <<"ENTER INITIAL AMOUNT TO BE DEPOSIT" ;
valid = 1 ;
gotoxy(23,14) ;
gets(t) ;
t_bal = atof(t) ;
t_balance = t_bal ;
if (t[0] == '0')
return ;
if (t_balance < 500)
{
valid = 0 ;
gotoxy(5,23) ;
cprintf("\7SHOULD NOT LESS THAN 500 ") ;
getch() ;
}
} while (!valid) ;
clear(5,23) ;
do
{
clear(5,17) ;
valid = 1 ;
gotoxy(5,17) ;
cout <<"Do you want to save the record (y/n) : " ;
ch = getche() ;
if (ch == '0')
return ;
ch = toupper(ch) ;
} while (ch != 'N' && ch != 'Y') ;
if (ch == 'N')
return ;
float t_amount, t_interest ;
t_amount = t_balance ;
t_interest = 0.0 ;
char t_tran, t_type[10] ;
t_tran = 'D' ;
strcpy(t_type,"INITIAL") ;
ini.add_to_file(t_accno,t_name,t_address,t_balance) ;
add_to_file(t_accno,d1,m1,y1,t_tran,t_type,t_interest,t_amount,t_balance) ;
}
//**********************************************************
// THIS FUNCTION DRAWS THE BOX FOR DISPLAYING RECORD FROM
// FILE BANKING.DAT
//**********************************************************
void account :: box_for_display(int t_accno)
{
shape s ;
s.box(2,1,79,25,218) ;
s.line_hor(3,78,4,196) ;
s.line_hor(3,78,6,196) ;
s.line_hor(3,78,23,196) ;
textbackground(BLUE) ;
gotoxy(3,5) ;
for (int i=1; i<=76; i++) cprintf(" ") ;
textbackground(BLUE) ;
textcolor(RED) ; textbackground(BLUE) ;
gotoxy(4,5) ;
cprintf("DATE PARTICULAR DEPOSIT WITHDRAW INTEREST BALANCE") ;
textcolor(YELLOW) ; textbackground(BLACK) ;
int d1, m1, y1 ;
struct date d;
getdate(&d);
d1 = d.da_day ;
m1 = d.da_mon ;
y1 = d.da_year ;
gotoxy(63,2) ;
cout <<"Date: " <<d1 <<"/" <<m1 <<"/" <<y1 ;
gotoxy(4,2) ;
cout <<"Account no. " <<t_accno ;
initial ini ;
char t_name[30] ;
strcpy(t_name,ini.return_name(t_accno)) ;
char t_address[60] ;
strcpy(t_address,ini.return_address(t_accno)) ;
gotoxy(25,2) ;
cout <<t_name ;
gotoxy(25,3) ;
cout <<t_address ;
}
//**********************************************************
// THIS FUNCTION DISPLAY RECORD FROM THE FILE BANKING.DAT
//**********************************************************
void account :: display_account(void)
{
clrscr() ;
char t_acc[10] ;
int t, t_accno ;
gotoxy(71,1) ;
cout <<"<0>=Exit" ;
gotoxy(5,5) ;
cout <<"Enter the account no. " ;
gets(t_acc) ;
t = atoi(t_acc) ;
t_accno = t ;
if (t_accno == 0)
return ;
clrscr() ;
initial ini ;
/* if (!ini.found_account(t_accno))
{
gotoxy(5,5) ;
cout <<"\7Account not found" ;
getch() ;
return ;
} */
box_for_display(t_accno) ;
int row=7, flag ;
fstream file ;
file.open("BANKING.DAT", ios::in) ;
while (file.read((char *) this, sizeof(account)))
{
if (accno == t_accno)
{
flag = 0 ;
delay(10) ;
gotoxy(4,row) ;
cout <<dd <<"/" <<mm <<"/" <<yy ;
gotoxy(16,row) ;
cout <<type ;
if (tran == 'D')
gotoxy(30,row) ;
else
gotoxy(42,row) ;
cout <<amount ;
gotoxy(56,row) ;
cout <<interest;
gotoxy(66,row) ;
cout <<balance ;
row++ ;
if (row == 23)
{
flag = 1 ;
row = 7 ;
gotoxy(4,24) ;
cout <<"Press any key to continue..." ;
getch() ;
clrscr() ;
box_for_display(t_accno) ;
}
}
}
file.close() ;
if (!flag)
{
gotoxy(4,24) ;
cout <<"Press any key to continue..." ;
getch() ;
}
}
//**********************************************************
// THIS FUNCTION RETURNS THE DIFFERENCE BETWEEN 2 DATES.
//**********************************************************
int account :: no_of_days(int d1, int m1, int y1, int d2, int m2, int y2)
{
static int month[] = {31,28,31,30,31,30,31,31,30,31,30,31} ;
int days = 0 ;
while (d1 != d2 || m1 != m2 || y1 != y2)
{
days++ ;
d1++ ;
if (d1 > month[m1-1])
{
d1 = 1 ;
m1++ ;
}
if (m1 > 12)
{
m1 = 1 ;
y1++ ;
}
}
return days ;
}
//**********************************************************
// THIS FUNCTION CALCULATES INTEREST.
//**********************************************************
float account :: calculate_interest(int t_accno, float t_balance)
{
fstream file ;
file.open("BANKING.DAT", ios::in) ;
file.seekg(0,ios::beg) ;
int d1, m1, y1, days ;
while (file.read((char *) this, sizeof(account)))
{
if (accno == t_accno)
{
d1 = dd ;
m1 = mm ;
y1 = yy ;
break ;
}
}
int d2, m2, y2 ;
struct date d;
getdate(&d);
d2 = d.da_day ;
m2 = d.da_mon ;
y2 = d.da_year ;
float t_interest=0.0 ;
if ((y2<y1) || (y2==y1 && m2<m1) || (y2==y1 && m2==m1 && d2<d1))
return t_interest ;
days = no_of_days(d1,m1,y1,d2,m2,y2) ;
int months=0 ;
if (days >= 30)
{
months = days/30 ;
t_interest = ((t_balance*2)/100) * months ;
}
file.close() ;
return t_interest ;
}
//**********************************************************
// THIS FUNCTION MAKES TRANSACTIONS (DEPOSIT/WITHDRAW).
//**********************************************************
void account :: transaction(void)
{
clrscr() ;
char t_acc[10] ;
int t, t_accno, valid ;
gotoxy(71,1) ;
cout <<"<0>=Exit" ;
gotoxy(5,5) ;
cout <<"Enter the account no. " ;
gets(t_acc) ;
t = atoi(t_acc) ;
t_accno = t ;
if (t_accno == 0)
return ;
clrscr() ;
initial ini ;
if (!ini.found_account(t_accno))
{
gotoxy(5,5) ;
cout <<"\7Account not found" ;
getch() ;
return ;
}
shape s ;
s.box(2,2,79,24,218) ;
s.line_hor(3,78,4,196) ;
s.line_hor(3,78,22,196) ;
gotoxy(71,1) ;
cout <<"<0>=Exit" ;
textbackground(BLUE) ;
gotoxy(3,3) ;
for (int i=1; i<=76; i++) cprintf(" ") ;
textbackground(BLACK) ;
textcolor(RED+BLINK) ; textbackground(BLUE) ;
gotoxy(29,3) ;
cprintf("TRANSACTION IN ACCOUNT") ;
textcolor(YELLOW) ; textbackground(BLACK) ;
int d1, m1, y1 ;
struct date d;
getdate(&d);
d1 = d.da_day ;
m1 = d.da_mon ;
y1 = d.da_year ;
gotoxy(5,6) ;
cout <<"Date : "<<d1 <<"/" <<m1 <<"/" <<y1 ;
gotoxy(5,8) ;
cout <<"Account no. # " <<t_accno ;
char t_name[30] ;
char t_address[60] ;
float t_balance ;
strcpy(t_name,ini.return_name(t_accno)) ;
strcpy(t_address,ini.return_address(t_accno)) ;
t_balance = ini.give_balance(t_accno) ;
s.box(25,10,75,13,218) ;
gotoxy(27,11) ;
cout <<"Name : " <<t_name ;
gotoxy(27,12) ;
cout <<"Address: " <<t_address ;
gotoxy(5,15) ;
cout <<"Last Balance : Rs." <<t_balance ;
char t_tran, t_type[10], tm[10] ;
float t_amount, t_amt ;
do
{
clear(5,18) ;
valid = 1 ;
gotoxy(5,18) ;
cout <<"Deposit or Withdraw (D/W) : " ;
t_tran = getche() ;
if (t_tran == '0')
return ;
t_tran = toupper(t_tran) ;
} while (t_tran != 'D' && t_tran != 'W') ;
do
{
clear(5,19) ;
clear(5,23) ;
gotoxy(5,23) ;
cout <<"ENTER TRANSACTION BY CASH OR CHEQUE" ;
valid = 1 ;
gotoxy(5,19) ;
cout <<"(Cash/Cheque) : " ;
gets(t_type) ;
strupr(t_type) ;
if (t_type[0] == '0')
return ;
if (strcmp(t_type,"CASH") && strcmp(t_type,"CHEQUE"))
{
valid = 0 ;
gotoxy(5,23) ;
cprintf("\7ENTER CORRECTLY ") ;
getch() ;
}
} while (!valid) ;
do
{
clear(5,21) ;
clear(5,23) ;
gotoxy(5,23) ;
cout <<"ENTER AMOUNT FOR TRANSACTION" ;
valid = 1 ;
gotoxy(5,21) ;
cout <<"Amount : Rs." ;
gets(tm) ;
t_amt = atof(tm) ;
t_amount = t_amt ;
if (tm[0] == '0')
return ;
if ((t_tran == 'W' && t_amount > t_balance) || (t_amount < 1))
{
valid = 0 ;
gotoxy(5,23) ;
cprintf("\7INVALID DATA ENTERED ") ;
getch() ;
}
} while (!valid) ;
char ch ;
clear(5,23) ;
do
{
clear(40,20) ;
valid = 1 ;
gotoxy(40,20) ;
cout <<"Save transaction (y/n): " ;
ch = getche() ;
if (ch == '0')
return ;
ch = toupper(ch) ;
} while (ch != 'N' && ch != 'Y') ;
if (ch == 'N')
return ;
float t_interest ;
t_interest = calculate_interest(t_accno,t_balance) ;
if (t_tran == 'D')
t_balance = t_balance + t_amount + t_interest ;
else
t_balance = (t_balance - t_amount) + t_interest ;
ini.update_balance(t_accno,t_balance) ;
add_to_file(t_accno,d1,m1,y1,t_tran,t_type,t_interest,t_amount,t_balance) ;
}
//**********************************************************
// THIS FUNCTION CLOSE THE ACCOUNT (DELETE ACCOUNT).
//**********************************************************
void account :: close_account(void)
{
clrscr() ;
char t_acc[10] ;
int t, t_accno ;
gotoxy(71,1) ;
cout <<"<0>=Exit" ;
gotoxy(5,5) ;
cout <<"Enter the account no. " ;
gets(t_acc) ;
t = atoi(t_acc) ;
t_accno = t ;
if (t_accno == 0)
return ;
clrscr() ;
initial ini ;
if (!ini.found_account(t_accno))
{
gotoxy(5,5) ;
cout <<"\7Account not found" ;
getch() ;
return ;
}
shape s ;
s.box(2,2,79,24,218) ;
s.line_hor(3,78,4,196) ;
s.line_hor(3,78,22,196) ;
gotoxy(71,1) ;
cout <<"<0>=Exit" ;
textbackground(BLUE) ;
gotoxy(3,3) ;
for (int i=1; i<=76; i++) cprintf(" ") ;
textbackground(BLACK) ;
textcolor(RED+BLINK) ; textbackground(BLUE) ;
gotoxy(30,3) ;
cprintf("CLOSE ACCOUNT SCREEN") ;
textcolor(YELLOW) ; textbackground(BLACK) ;
int d1, m1, y1 ;
struct date d;
getdate(&d);
d1 = d.da_day ;
m1 = d.da_mon ;
y1 = d.da_year ;
gotoxy(62,5) ;
cout <<"Date: "<<d1 <<"/" <<m1 <<"/" <<y1 ;
char ch ;
ini.display(t_accno) ;
do
{
clear(5,15) ;
gotoxy(5,15) ;
cout <<"Close this account (y/n): " ;
ch = getche() ;
if (ch == '0')
return ;
ch = toupper(ch) ;
} while (ch != 'N' && ch != 'Y') ;
if (ch == 'N')
return ;
ini.delete_account(t_accno) ;
delete_account(t_accno) ;
gotoxy(5,20) ;
cout <<"\7Record Deleted" ;
gotoxy(5,23) ;
cout <<"Press any key to continue..." ;
getch() ;
}
//************************************************************
// THIS IS MAIN FUNCTION CALLING HELP AND MAIN MENU FUNCTIONS
//************************************************************
void main(void)
{
control c ;
c.help();
c.main_menu() ;
}⌨️ 快捷键说明
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