(vue)整个页面添加背景视频

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App.vue

<template><div id="app" :class="[platform]"><video src="./assets/images/top/bg-video-711.mp4" autoplay muted loop class="bg"></video><router-view /></div>
</template>

css

<style lang="less">
#app {font-family: Avenir, Helvetica, Arial, sans-serif;-webkit-font-smoothing: antialiased;-moz-osx-font-smoothing: grayscale;//   text-align: center;color: #2c3e50;
}
video.bg {position: fixed;/* 视频绝对定位 */top: 0;left: 0;width: 100%;/* 宽度占据整个屏幕 */height: 100%;/* 高度占据整个屏幕 */object-fit: fill;/* 填满整个容器，可能会裁剪视频 */
}.bg {width: 100%;height: 100%;
}
...
</style>