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CVerif_CB.cpp

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+#include "CVerif_CB.h"
+#include <QDate>
+
+CVerif_CB::CVerif_CB() {
+}
+
+CVerif_CB::~CVerif_CB() {
+}
+
+bool CVerif_CB::getDateCB_OK() {
+    return dateCB_OK;
+}
+
+bool CVerif_CB::getNumeroCB_OK() {
+    return numeroCB_OK;
+}
+
+bool CVerif_CB::getCarteValide() {
+    return carteValide;
+}
+
+void CVerif_CB::setCarteValide() {
+    if((getNumeroCB_OK() == true) && (getDateCB_OK() == true)) {
+        carteValide = true;
+    }
+    else {
+        carteValide = false;
+    }
+}
+
+void CVerif_CB::VerifierNumeroCB(unsigned char *numerocb) {
+    for(int i=0; i<16; i++) {
+        numeroCB[i] = numerocb[i] - 0x30;
+    }
+    int somme = 0, reste = 0, index = 0, N1 = 0;
+    index = 1;
+    while(index <= 15) {
+        N1 = numeroCB[index];
+        somme = somme + N1;
+        index = index + 2;
+    }
+    index = 0;
+    while(index <= 15) {
+        N1 = numeroCB[index];
+        N1 = N1 * 2;
+        if(N1 > 9) {
+            N1 = N1 - 9;
+        }
+        somme = somme + N1;
+        index = index + 2;
+    }
+    reste = somme%10;
+    if(reste == 0) {
+        numeroCB_OK = true;
+    }
+    else {
+        numeroCB_OK = false;
+    }
+}
+
+void CVerif_CB::VerifierDateCB(unsigned char moiscb, int anneecb) {
+    QDate DateJour = QDate::currentDate();
+    if(moiscb < 13) {
+        if(DateJour.year() < anneecb) {
+            dateCB_OK = true;
+        }
+        else {
+            if(DateJour.year() <= anneecb) {
+                if(DateJour.month() <= moiscb) {
+                    dateCB_OK = true;
+                }
+                else {
+                    dateCB_OK = false;
+                }
+            }
+            else {
+                dateCB_OK = false;
+            }
+        }
+    }
+    else {
+        dateCB_OK = false;
+    }
+}

CVerif_CB.h

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+#ifndef CVERIF_CB_H
+#define CVERIF_CB_H
+
+class CVerif_CB
+{
+private:
+    unsigned char numeroCB[16];
+    bool numeroCB_OK;
+    bool carteValide;
+    bool dateCB_OK;
+
+public:
+    CVerif_CB();
+    ~CVerif_CB();
+    void VerifierNumeroCB(unsigned char *numerocb);
+    void VerifierDateCB(unsigned char moiscb, int anneecb);
+    bool getNumeroCB_OK();
+    bool getDateCB_OK();
+    bool getCarteValide();
+    void setCarteValide();
+};
+
+#endif // CVERIF_CB_H

CarteBancaire.pro

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+QT       += core gui
+
+greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
+
+CONFIG += c++11
+
+# You can make your code fail to compile if it uses deprecated APIs.
+# In order to do so, uncomment the following line.
+#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0
+
+SOURCES += \
+    CVerif_CB.cpp \
+    main.cpp \
+    mainwindow.cpp
+
+HEADERS += \
+    CVerif_CB.h \
+    mainwindow.h
+
+FORMS += \
+    mainwindow.ui
+
+# Default rules for deployment.
+qnx: target.path = /tmp/$${TARGET}/bin
+else: unix:!android: target.path = /opt/$${TARGET}/bin
+!isEmpty(target.path): INSTALLS += target
+
+RESOURCES += \
+    image.qrc

image.qrc

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+<RCC>
+    <qresource prefix="/">
+        <file>cb.png</file>
+        <file>logo-cb.jpg</file>
+    </qresource>
+</RCC>

main.cpp

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+#include "mainwindow.h"
+
+#include <QApplication>
+
+int main(int argc, char *argv[])
+{
+    QApplication a(argc, argv);
+    MainWindow w;
+    w.show();
+    return a.exec();
+}

mainwindow.cpp

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+#include "mainwindow.h"
+#include "ui_mainwindow.h"
+#include <iostream>
+
+using namespace std;
+
+MainWindow::MainWindow(QWidget *parent) :
+    QMainWindow(parent),
+    ui(new Ui::MainWindow)
+{
+    carteCB = new CVerif_CB();
+    ui->setupUi(this);
+}
+
+MainWindow::~MainWindow()
+{
+    delete ui;
+}
+
+void MainWindow::on_PB_Verifier_clicked() {
+    CVerif_CB verif;
+    int annee;
+    unsigned char mois;
+    unsigned char *numerocb = new unsigned char[16];
+    char *numerocb2 = new char[16];
+    strcpy(numerocb2, ui->LE_Numero->text().toLatin1());
+
+    for(int i=0; i<16; i++) {
+        numerocb[i] = numerocb2[i];
+    }
+
+    verif.VerifierNumeroCB(numerocb);
+    annee = ui->LE_Annee->text().toInt();
+    mois = (unsigned char)ui->LE_Mois->text().toInt();
+    verif.VerifierDateCB(mois,annee);
+    verif.setCarteValide();
+
+    if(verif.getCarteValide() == true) {
+        ui->label_Verification->setText("Valid card !");
+    }
+    else {
+        if(verif.getNumeroCB_OK() == true) {
+            ui->label_Verification->setText("Invalid date");
+        }
+        else {
+            ui->label_Verification->setText("Invalid number");
+        }
+    }
+}
+
+void MainWindow::on_PB_Quitter_clicked() {
+     exit(0);
+}

mainwindow.h

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+#ifndef MAINWINDOW_H
+#define MAINWINDOW_H
+
+#include <QMainWindow>
+#include "CVerif_CB.h"
+
+namespace Ui {
+    class MainWindow;
+}
+
+class MainWindow : public QMainWindow
+{
+    Q_OBJECT
+
+public:
+    explicit MainWindow(QWidget *parent = 0);
+    ~MainWindow();
+
+private slots:
+    void on_PB_Verifier_clicked();
+    void on_PB_Quitter_clicked();
+
+private:
+    Ui::MainWindow *ui;
+
+    CVerif_CB *carteCB;
+};
+
+#endif // MAINWINDOW_H