状态栏相关

    QStatusBar *statusbar = ui->statusbar;

    //ui->statusbar->setSizeGripEnabled(false);//右下角三角

    ui->statusbar->setStyleSheet(QString("QStatusBar::item{border: 0px}"));//无外框

    QLabel *statulabel = new QLabel(name);

    statulabel->setMinimumSize(150,20); //设置标签最小尺寸

    statulabel->setMinimumSize(statulabel->sizeHint());

    //statulabel->setAlignment(Qt::AlignHCenter);

    //statulabel->setFrameShape(QFrame::WinPanel); //设置标签形状

    //statulabel->setFrameShadow(QFrame::Sunken); //设置标签阴影

    QLabel *statulabe2 = new QLabel(tr("系统时间："));

    statusbar->addWidget(statulabel,1);左边开始布局

    //statusbar->addWidget(statulabe2,50);

    statusbar->insertPermanentWidget(2, statulabe2);//右边开始

    ui->statusbar->showMessage(tr("临时信息!"),2000);//两秒后消失