video标签设置视频封面

视频标签可以通过添加poster属性来设置视频封面。例如，在video标签中加入poster属性，将其值设置为图片链接，即可将该图片作为视频的封面。具体代码如下：

<video src="video_url" poster="封面图片链接" controls="{{false}}" initial-time='0.01' muted autoplay object-fit="cover"></video>

其中，video_url是视频的链接地址，封面图片链接是视频封面的图片地址。通过这样设置，视频在加载前会展示封面图片，提高用户体验。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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