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QToolButton设置QSS

.QPushButton,.QToolButton{border-style:none;border:1px solid #B2B6B9;color:#000000;padding:5px;min-height:15px;border-radius:5px;background:qlineargradient(spread:pad,x1:0,y1:0,x2:0,y2:1,stop:0 #E1E4E6,stop:1 #CCD3D9);}.QPushButton:hover,.QToolButton:hover{background:qlineargradient(spread:pad,x1:0,y1:0,x2:0,y2:1,stop:0 #F2F3F4,stop:1 #E7E9EB);}.QPushButton:pressed,.QToolButton:pressed{background:qlineargradient(spread:pad,x1:0,y1:0,x2:0,y2:1,stop:0 #E1E4E6,stop:1 #CCD3D9);}.QToolButton::menu-indicator{image:None;}QToolButton#btnMenu,QToolButton#btnTool,QPushButton#btnMenu_Min,QPushButton#btnMenu_Max,QPushButton#btnMenu_Close{border-radius:3px;color:#000000;padding:3px;margin:0px;background:none;border-style:none;}QToolButton#btnMenu:hover,QPushButton#btnMenu_Min:hover,QPushButton#btnMenu_Max:hover{color:#FFFFFF;margin:1px 1px 2px 1px;background-color:rgba(51,127,209,230);}/*QToolButton#btnTool:hover{    color:#FFFFFF;    margin:1px 1px 2px 1px;    background-color:rgba(51,127,209,230);}*/QToolButton#btnTool:hover{  /*鼠标放上后*/    color:rgb(255, 255, 255);    min-height:20;    border-style: solid;    border-top-left-radius:2px;    border-top-right-radius:2px;    background: qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1, stop:0 rgb(226,236,241),  stop: 0.3 rgb(160,160,160),  stop: 1 rgb(120,120,120));    border:1px;    border-radius:5px;    padding:2px 4px;}QToolButton#btnTool:pressed{ /*按下按钮后*/    color:rgb(255, 255, 255);    min-height:20;    border-style:solid;    border-top-left-radius:2px;    border-top-right-radius:2px;    background: qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1, stop:0 rgb(226,236,241),  stop: 0.3 rgb(190,190,190),  stop: 1 rgb(160,160,160));    border:1px;    border-radius:5px;    padding:2px 4px;}QToolButton#btnTool:checked{    /*选中后*/    color:rgb(255, 255, 255);    min-height:20;    border-style:solid;    border-top-left-radius:2px;    border-top-right-radius:2px;    background: qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1, stop:0 rgb(226,236,241),  stop: 0.3 rgb(190,190,190),  stop: 1 rgb(160,160,160));    border:1px;    border-radius:5px;    padding:2px 4px;}

QMenu::icon:checked {

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