QtCreator QFrame,QLabel,QStackedWidget(多页面部件),QToolBox(层叠窗口)
QFramelineWidth:边框边界线的宽度midWidth:在边框中增加一条线的宽度,形成3D效果frameShape:边框的形状frameShadow:边框阴影的取值ui->frame->setFrameShape(QFrame::Box);ui->frame->setFrameShadow(QFrame::Sunken);//与ui->frame->setFrameStyle(QFram