QT 设置QLabel的字体颜色

 m_labelTitletext->setText("仿真系统");
    //设置字号

    QFont ft;
    ft.setPointSize(16);
    m_labelTitletext->setFont(ft);

    //设置颜色
    QPalette pa;
    pa.setColor(QPalette::WindowText,QColor(200, 130, 143));
    m_labelTitletext->setPalette(pa);