HTML5获取摄像头进行拍照，存储
徐涛 2017-1-3
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
<style>
html,body{
width:100%;
height:100%;
}
#video{
width:100%;
height:100%;
}
</style>
</head>
<body>
<video id="video" autoplay=""></video>
<div><button id='picture' style="width:20%;height:20%">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>
手机摄像头流程图
当前端成为现在发展的趋势的时候，移动端叶然已经成为了HTML5 的主体，获取手机摄像头也是现在必不可少的工具