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HTML5调用手机摄像头

2016-01-12 17:57 627 查看

<!DOCTYPE html>

<html>

<head>

<meta charset="UTF-8">

<title>Insert title here</title>

</head>

<body>

<video id="video" autoplay=""style='width:640px;height:480px'></video>

<div><button id='picture' style="width: 100%;">PICTURE</button></div>

<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 () {

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>

</body>

</html>

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