// 設置一下數據庫的表名, 然后直接select()就搞定了. 非常簡單.

void initializeModel(QSqlTableModel *model) {

    model->setTable("person");

    model->setEditStrategy(QSqlTableModel::OnRowChange);

    model->select();

    model->setHeaderData(0, Qt::Horizontal, QObject::tr("ID"));

    model->setHeaderData(1, Qt::Horizontal, QObject::tr("First name"));

    model->setHeaderData(2, Qt::Horizontal, QObject::tr("Last name"));

}

// 使用model view

QTableView *createView(const QString &title, QSqlTableModel *model) {

    QTableView *view = new QTableView;

    view->setModel(model);

    view->setWindowTitle(title);

    return view;

}

QSqlTableModel model(&app, getDatabase());

initializeModel(&model);

QTableView *view1 = createView(QObject::tr("Table Model (View 1)"), &model);

view1->show();