判断是否为符合标准的mp4,再加上如下代码
<video id="v1_player" class="videos video_b"
x5-video-player-type="h5"
x5-playsinline
playsinline="true"
webkit-playsinline="true"
muted="muted" autoplay="autoplay">
<source src="./video/m1.mp4" type="video/mp4" />
</video>
