C + + Course Design -- ATM teller machine simulation system (MFC)

Lesson title

Class setting requirements

1. New card registration
2. Change Password
3. Account balance query
4. Withdrawal, deposit and transfer operations
5. Input and save simulation data of user consumption record (card number, consumption time, amount, etc.) to file
6. Statistics of account consumption records by month, quarter and year
7. Report export

Program operation interface

Core code

// SaleDlg.cpp : implementation file // #include "stdafx.h" #include "atm.h" #include "SaleDlg.h" #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif ///////////////////////////////////////////////////////////////////////////// // CSaleDlg dialog CSaleDlg::CSaleDlg(CWnd* pParent /*=NULL*/) : CDialog(CSaleDlg::IDD, pParent) { //{{AFX_DATA_INIT(CSaleDlg) // NOTE: the ClassWizard will add member initialization here //}}AFX_DATA_INIT } void CSaleDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(CSaleDlg) // NOTE: the ClassWizard will add DDX and DDV calls here //}}AFX_DATA_MAP } BEGIN_MESSAGE_MAP(CSaleDlg, CDialog) //{{AFX_MSG_MAP(CSaleDlg) ON_BN_CLICKED(IDC_BUTTON8, OnButton8) ON_BN_CLICKED(IDC_BUTTON1, OnButton1) ON_BN_CLICKED(IDC_TOTAL, OnTotal) //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CSaleDlg message handlers void CSaleDlg::OnButton8() { // TODO: Add your control notification handler code here CString year,quarter,month; GetDlgItem(IDC_COMBO1)->GetWindowText(year); GetDlgItem(IDC_COMBO2)->GetWindowText(quarter); GetDlgItem(IDC_COMBO3)->GetWindowText(month); if(year==""||quarter==""||month == "") { MessageBox("Please select a date"); return; } float total=0; int num = readsale(); for(int i =0;i<num;i++) { CString date ; CString dd = sale[i].date; if(quarter=="") { date = year+"/"+month; if(dd.Find(date)!=-1) { total = total+sale[i].money; } } else if(quarter =="1") { date = year+"/1"; if(dd.Find(date)!=-1) { total = total+sale[i].money; } date = year+"/2"; if(dd.Find(date)!=-1) { total = total+sale[i].money; } date = year+"/3"; if(dd.Find(date)!=-1) { total = total+sale[i].money; } } else if(quarter =="2") { date = year+"/4"; if(dd.Find(date)!=-1) { total = total+sale[i].money; } date = year+"/5"; if(dd.Find(date)!=-1) { total = total+sale[i].money; } date = year+"/6"; if(dd.Find(date)!=-1) { total = total+sale[i].money; } } else if(quarter =="3") { date = year+"/7"; if(dd.Find(date)!=-1) { total = total+sale[i].money; } date = year+"/8"; if(dd.Find(date)!=-1) { total = total+sale[i].money; } date = year+"/9"; if(dd.Find(date)!=-1) { total = total+sale[i].money; } } else if(quarter =="4") { date = year+"/10"; if(dd.Find(date)!=-1) { total = total+sale[i].money; } date = year+"/11"; if(dd.Find(date)!=-1) { total = total+sale[i].money; } date = year+"/12"; if(dd.Find(date)!=-1) { total = total+sale[i].money; } } } CString str; str.Format("Consumption amount%0.2f",total); MessageBox(str); } //Read user information int CSaleDlg::readsale() { int i=0; ifstream file; file.open("sale.txt",ios::in); while(!file.eof()) { file>>sale[i].id>>sale[i].date>>sale[i].money; i++; } i--; return i; } void CSaleDlg::OnButton1() { // TODO: Add your control notification handler code here EndDialog(TRUE); } //Read user information int CSaleDlg::read() { int i=0; ifstream file; file.open("data.txt",ios::in); while(!file.eof()) { file>>user[i].id>>user[i].name>>user[i].pid>>user[i].pwd>>user[i].money; i++; } i--; file.close(); return i; } void CSaleDlg::OnTotal() { // TODO: Add your control notification handler code here CString date,money; GetDlgItem(IDC_DATETIMEPICKER1)->GetWindowText(date); GetDlgItem(IDC_EDIT9)->GetWindowText(money); if(date==""||money=="") { MessageBox("Consumption information cannot be empty"); return; } int number = read(); ofstream outfile; outfile.open("data.txt",ios::ate); for(int i=0;i<number;i++) { if(strcmp(myid,user[i].id)==0) { if(user[i].money<atof(money)) { MessageBox("The account balance is insufficient, please reconfirm the consumption amount"); } else { user[i].money=user[i].money-atof(money); } } outfile<<user[i].id<<" "<<user[i].name<<" "<<user[i].pid<<" "<<user[i].pwd<<" "<<user[i].money<<endl; } outfile.close(); ofstream file; file.open("sale.txt",ios::app); file<<myid.GetBuffer(0)<<" "<<date.GetBuffer(0)<<" "<<atof(money)<<endl; file.close(); MessageBox("Consumption success"); } BOOL CSaleDlg::OnInitDialog() { CDialog::OnInitDialog(); // TODO: Add extra initialization here GetDlgItem(IDC_EDIT1)->SetWindowText(myid); return TRUE; // return TRUE unless you set the focus to a control // EXCEPTION: OCX Property Pages should return FALSE }

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