Add new file

showtable.h

+#ifndef SHOWTABLE_H
+#define SHOWTABLE_H
+
+#include <QMainWindow>
+#include "QSqlDatabase"
+#include "QSqlQuery"
+#include "QDebug"
+#include "QSqlQueryModel"
+#include "qsql.h"
+#include "QSqlTableModel"
+
+namespace Ui {
+class ShowTable;
+}
+
+class ShowTable : public QMainWindow
+{
+    Q_OBJECT
+
+public:
+    explicit ShowTable(QWidget *parent = 0);
+    ~ShowTable();
+
+public slots:
+    void dowork(QSqlDatabase,QString);
+private slots:
+    void on_close_clicked();
+
+private:
+    Ui::ShowTable *ui;
+};
+
+#endif // SHOWTABLE_H