level 1
黑暗不是暗的黑
楼主
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>无标题文档</title>
</head>
<body>
<video id="video" width="480" height="320" controls>
</video>
<div>
<button id="capture">拍照</button>
</div>
<canvas id="canvas" width="480" height="320"></canvas>
<script>
function getUserMedia(constraints, success, error) {
if (navigator.mediaDevices.getUserMedia)
navigator.mediaDevices.getUserMedia(constraints).then(success).catch(error);
} else if (navigator.webkitGetUserMedia)
navigator.webkitGetUserMedia(constraints,success, error)
} else if (navigator.mozGetUserMedia)
navigator.mozGetUserMedia(constraints, success, error);
} else if (navigator.getUserMedia)
navigator.getUserMedia(constraints, success, error);
}
}
var video = document.getElementById("video");
var canvas = document.getElementById('canvas');
var context = canvas.getContext('2d');
function success(stream)
var CompatibleURL = window.URL || window.webkitURL
console.log(stream);
//video.src = CompatibleURL.createObjectURL(stream);
video.srcObject = stream;
video.play();
}
function error(error) {
console.log('访问用户媒体设备失败${error.name}, ${error.message}');
}
if (navigator.mediaDevices.getUserMedia || navigator.getUserMedia || navigator.webkitGetUserMedia || navigator.mozGetUserMedia) {
//调用用户媒体设备, 访问摄像头
getUserMedia({video : {width: 480, height: 320}}, success, error);
} else {
alert('不支持访问用户媒体');
}
document.getElementById('capture').addEventListener('click', function () {
context.drawImage(video, 0, 0, 480, 320);
})
</script>
</body>
</html>
2018年09月12日 09点09分
1
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>无标题文档</title>
</head>
<body>
<video id="video" width="480" height="320" controls>
</video>
<div>
<button id="capture">拍照</button>
</div>
<canvas id="canvas" width="480" height="320"></canvas>
<script>
function getUserMedia(constraints, success, error) {
if (navigator.mediaDevices.getUserMedia)
navigator.mediaDevices.getUserMedia(constraints).then(success).catch(error);
} else if (navigator.webkitGetUserMedia)
navigator.webkitGetUserMedia(constraints,success, error)
} else if (navigator.mozGetUserMedia)
navigator.mozGetUserMedia(constraints, success, error);
} else if (navigator.getUserMedia)
navigator.getUserMedia(constraints, success, error);
}
}
var video = document.getElementById("video");
var canvas = document.getElementById('canvas');
var context = canvas.getContext('2d');
function success(stream)
var CompatibleURL = window.URL || window.webkitURL
console.log(stream);
//video.src = CompatibleURL.createObjectURL(stream);
video.srcObject = stream;
video.play();
}
function error(error) {
console.log('访问用户媒体设备失败${error.name}, ${error.message}');
}
if (navigator.mediaDevices.getUserMedia || navigator.getUserMedia || navigator.webkitGetUserMedia || navigator.mozGetUserMedia) {
//调用用户媒体设备, 访问摄像头
getUserMedia({video : {width: 480, height: 320}}, success, error);
} else {
alert('不支持访问用户媒体');
}
document.getElementById('capture').addEventListener('click', function () {
context.drawImage(video, 0, 0, 480, 320);
})
</script>
</body>
</html>
