Example of QT qtableview

1—— Create table contents

QStandardItemModel* m_standardItemModel = new QStandardItemModel(this);

QStandardItem *item = new QStandardItem(“ Li Si ”);
m_standardItemModel->setItem(i,j,item);// That's ok 、 Column 、 Elements 
tableView->setModel(m_standardItemModel);

The default row and column headers exist , If you want to hide it, you can execute the following code ：

tableView->horizontalHeader()->hide();
tableView->verticalHeader()->hide();

// Mode two 
tableView->verticalHeader()->setVisible(false);

tableview The view is as follows ：

2——tableview Trigger signal of the click element of

connect(tableview, SIGNAL(clicked(const QModelIndex &)), this, SLOT(onTableClicked(const QModelIndex &)));

void LTableView::onTableClicked(const QModelIndex &index)
{
    qDebug() << "123";
    if (index.isValid())
    {
        QString cellText = index.data().toString();
        qDebug() << cellText;
    }
}

 

3——tableview Method of clearing all data in the table

// The way 1
m_standardItemModel->clear();

// The way 2
m_standardItemModel->removeRows(0,m_standardItemModel->rowCount()); // Delete all rows 

 4—— Set all column widths and row heights

tableView->verticalHeader()->setDefaultSectionSize(32);
tableView->horizontalHeader()->setDefaultSectionSize(48);

5—— Hide scroll bar

    // Hide scroll bar 
    m_ltableView->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);