<html lang="en"><head> <meta charset="UTF-8"> <title>欢迎来到蝴蝶教程</title></head><body> <h1>SVG 模糊效果</h1> <svg height="110" width="110"> <defs> <filter id="f1" x="0" y="0"> <feGaussianBlur in="SourceGraphic" stdDeviation="15" /> </filter> </defs> <rect width="90" height="90" stroke="green" stroke-width="3" fill="yellow" filter="url(#f1)" /> 抱歉，您的浏览器不支持嵌入式SVG。 </svg></body></html>