1.html和javascript混合代码：本地直接打开即可。
<!DOCTYPE html>
<html>
<head>
<title>Local Video Player</title>
</head>
<body>
<input type="file" id="inputVideo" accept="video/*">
<video id="myVideo" controls>
<source id="videoSource" type="video/mp4">
</video>
<script>
const input = document.getElementById('inputVideo');
const video = document.getElementById('myVideo');
const source = document.getElementById('videoSource');
input.addEventListener('change', function(event) {
const file = this.files[0];
const url = URL.createObjectURL(file);
source.setAttribute('src', url);
video.load();
});
</script>
</body>
</html>
标签：播放器,document,const,低配,getElementById,video,file,播放 From： https://www.cnblogs.com/eisenshu/p/17141993.html