JavaScript调用pc和手机摄像头

主要是pc和手机的浏览器可以调用,亲测可用,但是微信扫二维码则不可以,微信的话应该还是要调微信接口

  
<html lang="zh-CN">  
<head>  
    <meta charset="UTF-8">  
    <title>GetUserMedia实例title>  
head>  
<body>  
    <video id="video" autoplay><ideo>  
body>  
<script type="text/javascript">  
    var getUserMedia = (navigator.getUserMedia || navigator.webkitGetUserMedia || navigator.mozGetUserMedia || navigator.msGetUserMedia);   
    getUserMedia.call(navigator, {
        video: true,   
        audio: true   
    }, function(localMediaStream) {   
        var video = document.getElementById('video');   
        video.src = window.URL.createObjectURL(localMediaStream);   
        video.onloadedmetadata = function(e) {   
        console.log("Label: " + localMediaStream.label);   
        console.log("AudioTracks" , localMediaStream.getAudioTracks());   
        console.log("VideoTracks" , localMediaStream.getVideoTracks());   
        };   
    }, function(e) {   
        console.log('Reeeejected!', e);   
    });   
script>  
<html>  

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