Qt 滚动条美化

# 设置verticalScrollBar()的样式

ui->listWidget_3->verticalScrollBar()->setStyleSheet("QScrollArea{border:0px solid;"

                                                       "border-radius: 5px;}"

                                                       "QScrollBar:vertical{width: 10px;border:0px solid;"

                                                       "border-radius: 5px;margin: 0px,0px,0px,0px;"

                                                       ""> transparent;background:#e1f0fa;}"

                                                       "QScrollBar:vertical:hover{width: 10px;"

                                                       "border:0px solid;margin: 0px,0px,0px,0px;background:#e1f0fa;}"

                                                       "QScrollBar::handle:vertical{width:10px;background:#c0ddee;"

                                                       "border-radius: 5px;height: 40px;}"

                                                       "QScrollBar::handle:vertical:hover{background:#c0ddee;"

                                                       "border-radius: 5px;}"

                                                       "QScrollBar::add-line:vertical{height:11px;"> transparent;"

                                                       "subcontrol-position:bottom;border:0px solid;"

                                                       "border-radius: 5px;}"

                                                       "QScrollBar::sub-line:vertical{height:11px;"

                                                       ""> transparent;subcontrol-position:top;"

                                                       "border:0px solid;border-radius: 5px;}"

                                                       "QScrollBar::add-page:vertical{"> #e1f0fa;"

                                                       "border:0px solid;border-radius: 5px;}"

                                                       "QScrollBar::sub-page:vertical{"> #e1f0fa;"

                                                       "border:0px solid;border-radius: 5px;}"

                                                       "QScrollBar::up-arrow:vertical{"

                                                       "border:0px solid;border-radius: 3px;}"

                                                       "QScrollBar::down-arrow:vertical {"

                                                       "border:0px solid;border-radius: 3px;}");

# 效果

 颜色粗细什么的，根据自己需要修改一下就可以了。