楼主用QSvgWidget或QGraphicsSvgItem能显示动态的效果吗?
<g>
<polygon fill="yellow" points="-10,-6, -10,6, 10,0" stroke="blue" transform="matrix(1 0 0 1 0 0)" >
<animateMotion begin="0s" path="M255,345 L255,150" repeatCount="indefinite" dur="10s" rotate="auto" />
</polygon>
</g>
这段用浏览器打开有动态效果……