xxxxxxxxxx
MainWindow::MainWindow(){
QTimer* timer = new QTimer(this);
connect(timer, SIGNAL(timeout()), this, SLOT(updateTime()));
timer->start(1000);
}
void MainWindow::updateTime()
{
QTime time = QTime::currentTime();
ui->tTimeLabel->setText(time.toString("hh:mm:ss")); // Convert Current time to String
}
xxxxxxxxxx
std::string str = "Hello world";
QString qstr = QString::fromStdString(str);