html5调用手机摄像头

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html:
<video id="video" autoplay=""style=‘width:640px;height:480px‘></video>
<button id=‘picture‘>PICTURE</button>
<canvas id="canvas" width="640" height="480"></canvas>
</body>
js:
<script>
    var video = document.getElementById("video");
    var context = canvas.getContext("2d")
    var errocb = function () {
        console.log(‘sth wrong!‘);
    }
    if (navigator.getUserMedia) { // 标准的API
        navigator.getUserMedia({ "video": true }, function (stream) {
            video.src = stream;
            video.play();
        }, errocb);
    } else if (navigator.webkitGetUserMedia) { // WebKit 核心的API
        navigator.webkitGetUserMedia({ "video": true }, function (stream) {
            video.src = window.webkitURL.createObjectURL(stream);
            video.play();
        }, errocb);
    }
    document.getElementById("picture").addEventListener("click", function () {
        context.drawImage(video, 0, 0, 640, 480);
    });

</script>

html5调用手机摄像头

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原文地址：http://www.cnblogs.com/ss977/p/4781846.html