mainwindow.h

#ifndef MAINWINDOW_H
#define MAINWINDOW_H

#include <QMainWindow>
//Add
#include <qdebug.h>
#include <QSqlDatabase>
#include <QSqlError>
#include <QSqlQuery>
#include <QMessageBox>

#include"adddialog.h"
#include"deldialog.h"
#include"seldialog.h"
#include"changedialog.h"
#include"courseinfo.h"



namespace Ui {
class MainWindow;
}

class MainWindow : public QMainWindow
{
    Q_OBJECT

public:
    explicit MainWindow(QWidget *parent = nullptr);
    ~MainWindow();

private slots:
    void on_pushButton_clicked();

    void on_pushButton_2_clicked();

    void on_pushButton_3_clicked();

    void on_pushButton_4_clicked();

private:
    Ui::MainWindow *ui;
};
void addCourse(QString name,QString lec,int day,int lesson,QString classroom);
void delCourse(QString name);
void selCourse(selDialog newsel);
void changCourse(QString oldname,int oldday,int oldlesson,QString name,QString lec,int day,int lesson,QString classroom);
bool outPutTableInfo(QString tabNmae);
bool outputDatabaseInfo(QSqlDatabase database);

//extern QSqlDatabase dbtimetable;
#endif // MAINWINDOW_H