Widget::Widget(QWidget *parent) :
    QWidget(parent),
    ui(new Ui::Widget)
{
        ui->setupUi(this);

        setFixedSize(750, 500); // 窗口大小
        ui->stackedWidget->setCurrentIndex(0);

        QSqlQueryModel *typeModel = new QSqlQueryModel(this);
        typeModel->setQuery("select name from type");
        ui->sellTypeComboBox->setModel(typeModel);

        QSplitter *splitter = new QSplitter(ui->managePage);
        splitter->resize(700, 360);
        splitter->move(0, 50);

        splitter->addWidget(ui->toolBox);
        splitter->addWidget(ui->dailyList);
        splitter->setStretchFactor(0, 1);
        splitter->setStretchFactor(1, 1);

        on_sellCancelBtn_clicked();

        showDailyList();
}