QLabel *tsLable = new QLabel(this);
tsLable->setFrameStyle(QFrame::Panel | QFrame::Sunken);
tsLable->setAlignment(Qt::AlignBottom | Qt::AlignCenter);
QDateTime qdatetime=QDateTime::currentDateTime();
QString strTime=qdatetime.time().toString();
tsLable->setText(strTime);
QTimer *time = new QTimer(tsLable);
connect(time,SIGNAL(timeout()),tsLable,SLOT(show()));
time->start(1000);
想让它在tsLable上实时显示,可不行