QTableView滚动条样式

tableView->verticalScrollBar()->setStyleSheet("QScrollBar:vertical"
"{"
"width:8px;"
"background:rgba(0,0,0,0%);"
"margin:0px,0px,0px,0px;"
"padding-top:9px;"
"padding-bottom:9px;"
"}"
"QScrollBar::handle:vertical"
"{"
"width:8px;"
"background:rgba(0,0,0,25%);"
" border-radius:4px;"
"min-height:20;"
"}"
"QScrollBar::handle:vertical:hover"
"{"
"width:8px;"
"background:rgba(0,0,0,50%);"
" border-radius:4px;"
"min-height:20;"
"}"
"QScrollBar::add-line:vertical"
"{"
"height:9px;width:8px;"
"border-image:url(:/images/a/3.png);"
"subcontrol-position:bottom;"
"}"
"QScrollBar::sub-line:vertical"
"{"
"height:9px;width:8px;"
"border-image:url(:/images/a/1.png);"
"subcontrol-position:top;"
"}"
"QScrollBar::add-line:vertical:hover"
"{"
"height:9px;width:8px;"
"border-image:url(:/images/a/4.png);"
"subcontrol-position:bottom;"
"}"
"QScrollBar::sub-line:vertical:hover"
"{"
"height:9px;width:8px;"
"border-image:url(:/images/a/2.png);"
"subcontrol-position:top;"
"}"
"QScrollBar::add-page:vertical,QScrollBar::sub-page:vertical"
"{"
"background:rgba(0,0,0,10%);"
"border-radius:4px;"
"}"
);