/*****************菜单**********************/
trayContextMenu->setStyleSheet(" QMenu {background-color: white;border-color:#0000ff #0000ff;border-style:solid;border-width:1px;}\
QMenu::item{background-color:transparent;padding:3px 32px;margin:0px 3px;border-bottom:1px solid #DBDBDB;}\ QMenu::item:selected{background-color:#2dabf9;}");/*******************************************/