本篇文章通过代码实例给大家介绍一下svg+css3实现动感的波浪效果。有一定的参考价值，有需要的朋友可以参考一下，希望对大家有所帮助。
一根矢量的波浪
<svg viewBox="0 0 560 20" class="wave-animation__water-wave wave-animation__water-wave--front"> <use xlink:href="#wave"></use></svg><svg id="wave" width="100%" height="100%"> <path d="M420,20c21.5-0.4,38.8-2.5,51.1-4.5c13.4-2.2,26.5-5.2,27.3-5.4C514,6.5,518,4.7,528.5,2.7c7.1-1.3,17.9-2.8,31.5-2.7c0,0,0,0,0,0v20H420z"></path> <path d="M420,20c-21.5-0.4-38.8-2.5-51.1-4.5c-13.4-2.2-26.5-5.2-27.3-5.4C326,6.5,322,4.7,311.5,2.7C304.3,1.4,293.6-0.1,280,0c0,0,0,0,0,0v20H420z"></path> <path d="M140,20c21.5-0.4,38.8-2.5,51.1-4.5c13.4-2.2,26.5-5.2,27.3-5.4C234,6.5,238,4.7,248.5,2.7c7.1-1.3,17.9-2.8,31.5-2.7c0,0,0,0,0,0v20H140z"></path> <path d="M140,20c-21.5-0.4-38.8-2.5-51.1-4.5c-13.4-2.2-26.5-5.2-27.3-5.4C46,6.5,42,4.7,31.5,2.7C24.3,1.4,13.6-0.1,0,0c0,0,0,0,0,0l0,20H140z"></path></svg>
完整代码：
<!DOCTYPE html><html><head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width,initial-scale=1,user-scalable=no"></head><body> <div class="circle-countdown circle-countdown--ended"> <div class="circle-countdown__content-wrapper"> <div class="circle-countdown__content wave-animation"> <div id="water" class="wave-animation__water"> <svg viewBox="0 0 560 20" class="wave-animation__water-wave wave-animation__water-wave--back"> <path d="M420,20c21.5-0.4,38.8-2.5,51.1-4.5c13.4-2.2,26.5-5.2,27.3-5.4C514,6.5,518,4.7,528.5,2.7c7.1-1.3,17.9-2.8,31.5-2.7c0,0,0,0,0,0v20H420z"> </path> <path d="M420,20c-21.5-0.4-38.8-2.5-51.1-4.5c-13.4-2.2-26.5-5.2-27.3-5.4C326,6.5,322,4.7,311.5,2.7C304.3,1.4,293.6-0.1,280,0c0,0,0,0,0,0v20H420z"> </path> <path d="M140,20c21.5-0.4,38.8-2.5,51.1-4.5c13.4-2.2,26.5-5.2,27.3-5.4C234,6.5,238,4.7,248.5,2.7c7.1-1.3,17.9-2.8,31.5-2.7c0,0,0,0,0,0v20H140z"> </path> <path d="M140,20c-21.5-0.4-38.8-2.5-51.1-4.5c-13.4-2.2-26.5-5.2-27.3-5.4C46,6.5,42,4.7,31.5,2.7C24.3,1.4,13.6-0.1,0,0c0,0,0,0,0,0l0,20H140z"> </path> </svg> <svg viewBox="0 0 560 20" class="wave-animation__water-wave wave-animation__water-wave--front"> <path d="M420,20c21.5-0.4,38.8-2.5,51.1-4.5c13.4-2.2,26.5-5.2,27.3-5.4C514,6.5,518,4.7,528.5,2.7c7.1-1.3,17.9-2.8,31.5-2.7c0,0,0,0,0,0v20H420z"> </path> <path d="M420,20c-21.5-0.4-38.8-2.5-51.1-4.5c-13.4-2.2-26.5-5.2-27.3-5.4C326,6.5,322,4.7,311.5,2.7C304.3,1.4,293.6-0.1,280,0c0,0,0,0,0,0v20H420z"> </path> <path d="M140,20c21.5-0.4,38.8-2.5,51.1-4.5c13.4-2.2,26.5-5.2,27.3-5.4C234,6.5,238,4.7,248.5,2.7c7.1-1.3,17.9-2.8,31.5-2.7c0,0,0,0,0,0v20H140z"> </path> <path d="M140,20c-21.5-0.4-38.8-2.5-51.1-4.5c-13.4-2.2-26.5-5.2-27.3-5.4C46,6.5,42,4.7,31.5,2.7C24.3,1.4,13.6-0.1,0,0c0,0,0,0,0,0l0,20H140z"> </path> </svg> </div> </div> </div> </div> <style> .circle-countdown { width: 441px; height: 441px; position: relative; top: 0; left: 0; padding: 2.5rem; border: 1px solid #fb64b6; border-radius: 50%; overflow: hidden; } .wave-animation { overflow: hidden; } .wave-animation__percent { position: absolute; left: 0; top: 0; z-index: 3; width: 100%; height: 100%; display: flex; display: -webkit-flex; align-items: center; justify-content: center; color: #fff; font-size: 64px; } .wave-animation__water { position: absolute; left: 0; top: 0; z-index: -1; width: 100%; height: 100%; /* 调整这里的60%就可以改变进度，波浪高低 */ transform: translate(0, calc(100% - 60%)); background: #f852d6; transition: all 2s; } .wave-animation__water-wave { width: 200%; position: absolute; bottom: 100%; } .wave-animation__water-wave--back { right: 0; fill: #1d1d1d; animation: wave-back 1.4s infinite linear; } .wave-animation__water-wave--front { left: 0; fill: #f852d6; margin-bottom: -1px; animation: wave-front 0.7s infinite linear; } @keyframes wave-front { 100% { transform: translate(-50%, 0); } } @keyframes wave-back { 100% { transform: translate(50%, 0); } } </style></body></html>
效果图：
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