HTML5获取手机摄像头拍照

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

HTML5获取摄像头进行拍照，存储

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