QLCDNumber

QLCDNumber

The QLCDNumber widget displays a number with LCD-like digits
Header:QLCDNumber
qmake: QT += widgets

属性设置

函数	描述
void setDigitCount(int numDigits)	长度
void setMode(QLCDNumber::Mode)	模式 hex dec oct bin
void setSegmentStyle(QLCDNumber::SegmentStyle)	外观 outline filled flat

mywidget::mywidget()
{
    setWindowTitle("my widget test");
    QVBoxLayout *layout=new QVBoxLayout(this);

    QLCDNumber *mylcd=new QLCDNumber();
    mylcd->setDigitCount(20);
    mylcd->setMode(QLCDNumber::Dec);
    mylcd->setSegmentStyle(QLCDNumber::Flat);
    mylcd->setStyleSheet("color:red;font-size:50;");

    QTimer *ptimer=new QTimer;
    connect(ptimer,QTimer::timeout,[&mylcd]{
        mylcd->display(QDateTime::currentDateTime().toString("yyyy-MM-dd HH:mm:ss.zzz"));});
    layout->addWidget(mylcd);
    ptimer->start(1000);
    this->show();
}