<svg viewbox="7.5 0 60 10">
<defs>
<linearGradient id="gradient">
<stop offset="5%" stop-color="#FFC338" />
<stop offset="95%" stop-color="#FFEA68" />
</linearGradient>
</defs>
<path fill="url(#gradient)" d="M0 10 V5 Q2.5 2.5 5 5 t5 0 t5 0 t5 0 t5 0 t5 0 t5 0 t5 0 t5 0 t5 0 t5 0 t5 0 t5 0 t5 0 t5 0 V10" />
</svg>
<defs>
块内。
在defs块关闭后,放置可见内容标签。这不完全是你要找的,但试试这个。逐个编辑数字参数以查看效果。
<svg viewbox="0 0 100 80">
<defs>
<filter id="f1" x="0" y="0" width="140%" height="200%">
<feOffset result="offOut" in="SourceAlpha" dx="8" dy="6" />
<feGaussianBlur result="blurOut" in="offOut" stdDeviation="10" />
<feBlend in="SourceGraphic" in2="blurOut" mode="normal" />
</filter>
<linearGradient id="grad1" x1="0%" y1="0%" x2="100%" y2="0%">
<stop offset="0%" style="stop-color:rgb(255,255,0);stop-opacity:1" />
<stop offset="100%" style="stop-color:rgb(255,0,0);stop-opacity:1" />
</linearGradient>
<pattern x="-8" id="waves" patternUnits="userSpaceOnUse" width="50" height="20">
<path d="M0 10 V5 Q2.5 3.5 5 5 T10 5 V10" fill="url(#grad1)" />
</pattern>
</defs>
<rect x="0" y="3" width="200" height="20" fill="url(#waves)" filter="url(#f1)" />
</svg>