html5播放flv视频
参考：flv-h265 - npmHTML5 FLV Player. Latest version: 1.7.0, last published: 6 months ago. Start using flv-h265 in your project by running `npm i flv-h265`. There are no other projects in the npm registry using flv-h265.
https://www.npmjs.com/package/flv-h265 本地安装也可以：
npm i -S flv.js<!doctype html>
<html><head><meta charset="utf-8"><title> flvjs Demo</title>
</head><body><video id="videoElement" class="video-js" controls muted autoplay></video><script src="https://cdn.bootcdn.net/ajax/libs/flv.js/1.6.2/flv.js"></script><script>if (flvjs.isSupported()) {var videoElement = document.getElementById('videoElement');var flvPlayer = flvjs.createPlayer({type: 'flv',url: 'https://rivermap-file.oss-cn-hangzhou.aliyuncs.com/video/flv/test.flv'});flvPlayer.attachMediaElement(videoElement);flvPlayer.load();flvPlayer.play();}</script>
</body></html>