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纯CSS3怎么实现波浪效果？本篇文章就来给大家介绍一下使用 SVG 和 CSS 动画制作波浪效果的方法，希望对大家有所帮助！
随着前端技术的不断发展与进步，界面交互的样式要求和美感也越来越高，很多网页的交互都加上了css3动画,这里作者给大家分享一个前端开发必掌握的一个CSS3波浪效果，赶紧学起来吧，加在自己开发网页的底部，给页面增加一点活泼的气息~【推荐学习：css视频教程】
CSS3波浪效果
这是使用 SVG 和 CSS 动画制作的波浪效果，上半部分是蓝色（可修改成其他颜色）渐变的背景颜色，下半部分就是波浪，有四条波浪在不停的来回起伏，非常逼真。该波浪效果可用于大部分页面的底部，使页面增加一点活泼的气息。。
1.Html构建
代码如下（示例）：
<div class="inner_header"> 填充蓝色（可修改成其他颜色）渐变的背景颜色<div class="waves">这部分就是波浪的svg，有四条波浪在不停的来回起伏，效果非常逼真
<div class="header"><div class="inner-header flex"><h1>简单的 CSS3 波浪效果</h1></div><div><svg class="waves" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"viewBox="0 24 150 28" preserveAspectRatio="none" shape-rendering="auto"><defs><path id="gentle-wave"d="M-160 44c30 0 58-18 88-18s 58 18 88 18 58-18 88-18 58 18 88 18 v44h-352z" /></defs><g class="parallax"><use xlink:href="#gentle-wave" x="48" y="0" fill="rgba(255,255,255,0.7" /><use xlink:href="#gentle-wave" x="48" y="3" fill="rgba(255,255,255,0.5)" /><use xlink:href="#gentle-wave" x="48" y="5" fill="rgba(255,255,255,0.3)" /><use xlink:href="#gentle-wave" x="48" y="7" fill="#fff" /></g></svg></div></div>登录后复制
2.CSS编写
代码如下（示例）：
这里通过CSS3的animation动画属性来控制四条线条在不停的来回起伏，形成波浪效果
.header { position: relative; text-align: center; background: linear-gradient(60deg, rgba(84, 58, 183, 1) 0%, rgba(0, 172, 193, 1) 100%);/* background: #FFAFBD; background: -webkit-linear-gradient(to right, #ffc3a0, #FFAFBD); background: linear-gradient(to right, #ffc3a0, #FFAFBD); */ color: white;} .inner-header { height: 65vh; width: 100%; margin: 0; padding: 0;} .waves { position: relative; width: 100%; height: 15vh; margin-bottom: -7px; /*Fix for safari gap*/ min-height: 100px; max-height: 150px;} .content { position: relative; height: 20vh; text-align: center; background-color: white;} .content a { margin: 0 5px; font-size: 12px; color: #333;} .content a:hover { color: #000;} /* Animation */ .parallax > use { animation: move-forever 25s cubic-bezier(0.55, 0.5, 0.45, 0.5) infinite;}.parallax > use:nth-child(1) { animation-delay: -2s; animation-duration: 7s;}.parallax > use:nth-child(2) { animation-delay: -3s; animation-duration: 10s;}.parallax > use:nth-child(3) { animation-delay: -4s; animation-duration: 13s;}.parallax > use:nth-child(4) { animation-delay: -5s; animation-duration: 20s;}@keyframes move-forever { 0% { transform: translate3d(-90px, 0, 0); } 100% { transform: translate3d(85px, 0, 0); }}/*Shrinking for mobile*/@media (max-width: 768px) { .waves { height: 40px; min-height: 40px; } .content { height: 30vh; } h1 { font-size: 24px; }}登录后复制3.完整代码
index.html文件
<!DOCTYPE html><html><head><meta charset="utf-8" /><title>简单的CSS3波浪效果演示_dowebok</title><link rel="stylesheet" href="style.css" /></head><body><div><div class="inner-header flex"><h1>简单的 CSS3 波浪效果</h1></div><div><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"viewBox="0 24 150 28" preserveAspectRatio="none" shape-rendering="auto"><defs><path id="gentle-wave"d="M-160 44c30 0 58-18 88-18s 58 18 88 18 58-18 88-18 58 18 88 18 v44h-352z" /></defs><g><use xlink:href="#gentle-wave" x="48" y="0" fill="rgba(255,255,255,0.7" /><use xlink:href="#gentle-wave" x="48" y="3" fill="rgba(255,255,255,0.5)" /><use xlink:href="#gentle-wave" x="48" y="5" fill="rgba(255,255,255,0.3)" /><use xlink:href="#gentle-wave" x="48" y="7" fill="#fff" /></g></svg></div></div> </body></html>登录后复制style.css文件
body { margin: 0;} h1 { font-family: 'Lato', sans-serif; font-weight: 300; letter-spacing: 2px; font-size: 48px;}p { font-family: 'Lato', sans-serif; letter-spacing: 1px; font-size: 14px; color: #333333;} .header { position: relative; text-align: center; background: linear-gradient(60deg, rgba(84, 58, 183, 1) 0%, rgba(0, 172, 193, 1) 100%);/* background: #FFAFBD; background: -webkit-linear-gradient(to right, #ffc3a0, #FFAFBD); background: linear-gradient(to right, #ffc3a0, #FFAFBD); */ color: white;}.logo { width: 50px; fill: white; padding-right: 15px; display: inline-block; vertical-align: middle;} .inner-header { height: 65vh; width: 100%; margin: 0; padding: 0;} .flex { /*Flexbox for containers*/ display: flex; justify-content: center; align-items: center; text-align: center;} .waves { position: relative; width: 100%; height: 15vh; margin-bottom: -7px; /*Fix for safari gap*/ min-height: 100px; max-height: 150px;} .content { position: relative; height: 20vh; text-align: center; background-color: white;} .content a { margin: 0 5px; font-size: 12px; color: #333;} .content a:hover { color: #000;} /* Animation */ .parallax > use { animation: move-forever 25s cubic-bezier(0.55, 0.5, 0.45, 0.5) infinite;}.parallax > use:nth-child(1) { animation-delay: -2s; animation-duration: 7s;}.parallax > use:nth-child(2) { animation-delay: -3s; animation-duration: 10s;}.parallax > use:nth-child(3) { animation-delay: -4s; animation-duration: 13s;}.parallax > use:nth-child(4) { animation-delay: -5s; animation-duration: 20s;}@keyframes move-forever { 0% { transform: translate3d(-90px, 0, 0); } 100% { transform: translate3d(85px, 0, 0); }}/*Shrinking for mobile*/@media (max-width: 768px) { .waves { height: 40px; min-height: 40px; } .content { height: 30vh; } h1 { font-size: 24px; }}登录后复制（学习视频分享：web前端）
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