Qt中QSlider的样式表设置

//首先是设置主体
QSlider{
border-color: #bcbcbc;
}
QSlider::groove:horizontal {                                
     border: 1px solid #999999;                             
     height: 1px;                                           
    margin: 0px 0;                                         
     left: 5px; right: 5px; 
 }
 //设置中间的那个滑动的键 
QSlider::handle:horizontal {                               
     border: 0px ;                           
     border-image:  url(:/NiceTalk/Images/Setting/volume_nor.png);
     width: 15px;                                           
     margin: -7px -7px -7px -7px;                  
} 
//还没有滑上去的地方
QSlider::add-page:horizontal{
background: qlineargradient(spread:pad, x1:0, y1:1, x2:0, y2:0, stop:0 #bcbcbc, stop:0.25 #bcbcbc, stop:0.5 #bcbcbc, stop:1 #bcbcbc); 

}
//已经划过的从地方
QSlider::sub-page:horizontal{                               
 background: qlineargradient(spread:pad, x1:0, y1:1, x2:0, y2:0, stop:0 #439cf3, stop:0.25 #439cf3, stop:0.5 #439cf3, stop:1 #439cf3);                     
}

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其实，竖直的和水平的一模一样，只是变了名称而已。

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QSlider{
    border-color: #cbcbcb;
}
QSlider::groove:vertical {  

background: #cbcbcb;  
width: 6px;  
border-radius: 1px;  
padding-left:-1px;  
padding-right:-1px;  
padding-top:-1px;  
padding-bottom:-1px;  
} 
QSlider::sub-page:vertical {  
background: #cbcbcb;  

border-radius: 2px;  
} 
QSlider::add-page:vertical {  
background: qlineargradient(x1:0, y1:0, x2:0, y2:1,   
    stop:0 #439cf4, stop:1 #439cf4);  
background: qlineargradient(x1: 0, y1: 0.2, x2: 1, y2: 1,  
    stop: 0 #439cf4, stop: 1 #439cf4);  
width: 10px;  
border-radius: 2px;  
}
QSlider::handle:vertical   
{     
    border-image: url(:/NiceTalk/Images/Setting/volume_nor.png);
     margin: -2px -7px -2px -7px; 
    height: 17px;
}