Qt延時函數

以下這個代碼主要是實現以毫秒爲單位的延時

void sleep(unsigned int msec)
{
    QTime dieTime = QTime::currentTime().addMSecs(msec);
    while( QTime::currentTime() < dieTime )
        QCoreApplication::processEvents(QEventLoop::AllEvents, 100);
}