qtablewidget 添加一行

转载 参考 https://www.pianshen.com/article/609541180/

1.  设置 

    QStringList sListHeader;
    sListHeader << "名字" ;
    ui->tableWidget->setHorizontalHeaderLabels(sListHeader);

void MainWindow::on_bt_add_clicked()
{
  int iRow = ui->tableWidget->rowCount();
ui->tableWidget->setRowCount(iRow + 1);//总行数增加1
QTableWidgetItem *item = new QTableWidgetItem("liu");
ui->tableWidget->setItem(iRow, 0, item); //添加到界面
}