HTML5使用 getUserMedia方法调用本地摄像头拍照

来源：互联网发布：sh linux 编辑：程序博客网时间：2024/04/30 07:58

<!DOCTYPE html><html lang="en"><head>    <meta charset="UTF-8">    <title>html5 调用本地摄像头</title></head><body><video id="video" autoplay="autoplay" style='width:640px;height:480px'></video><button id='picture'>PICTURE</button><canvas id="canvas" width="640" height="480"></canvas><script type="text/javascript">    var video = document.getElementById("video");    var context = canvas.getContext("2d");    var errocb = function (code) {        console.log(code);    };    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        console.log(navigator.webkitGetUserMedia);        navigator.webkitGetUserMedia({ "video": true }, function (stream) {            video.src = window.webkitURL.createObjectURL(stream);            video.play();        }, errocb);    }//    将拍好的照片显示在画布上    document.getElementById("picture").addEventListener("click", function () {        context.drawImage(video, 0, 0, 640, 480);    });</script></body></html>

0 0