CSS实现音频播放时柱状波动效果
<p>通过CSS的动画属性animation可以实现音频播放时的动画效果，同时配合JS操作动画的animation-play-state属性，来控制动画的暂停和播放。</p><p style="text-align:center"><img alt="" src="https://img.jbzj.com/file_images/article/202310/2023101017181181.png" /></p>
<p>网页布局采用的flex布局。若在客户端展示，可使用定位布局（本人遇到flex布局会出现底部轻微颤动的bug）</p>
<div class="jb51code"><pre class="brush:css;">.voice-playing{
height: 50px;
width: 40px;
display: flex;
/* 底部对齐，实现从下往上的动画效果 */
align-items: flex-end;
justify-content: space-between;
}
.play1{
width: 10px;
background-color: #bfc;
animation: playing1 1s linear infinite alternate;
}
.play2{
width: 10px;
background-color: #bfc;
animation: playing2 1s linear infinite alternate;
}
.play3{
width: 10px;
height: 10px;
background-color: #bfc;
animation: playing3 1s .5s linear infinite alternate;
}
@keyframes playing1 {
0%{
height: 10px;
}
100%{
height: 30px;
}
}
@keyframes playing2 {
0%{
height: 30px;
}
100%{
height: 10px;
}
}
@keyframes playing3 {
0%{
height: 10px;
}
100%{
height: 30px;
}
}</pre></div>
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