<!-- HTML页面 -->
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF8">
</head>
<body>
<video id="video" width="80" height="60" autoplay></video>
<button id="snap">拍照上传</button>
<canvas id="canvas" width="80" height="60"></canvas>
</body>
</html>
<!-- jquery部分 -->
<script src="http://120.92.82.182:444/jquery-2.1.4.min.js"></script>
<script type="text/javascript">
// Put event listeners into place
window.addEventListener("DOMContentLoaded", function() {
// Grab elements, create settings, etc.
var canvas = document.getElementById("canvas"),
context = canvas.getContext("2d"),
video = document.getElementById("video"),
videoObj = { "video": true },
errBack = function(error) {
console.log("Video capture error: ", error.code);
};
// Put video listeners into place
if(navigator.getUserMedia) { // Standard
navigator.getUserMedia(videoObj, function(stream) {
video.src = stream;
video.play();
}, errBack);
} else if(navigator.webkitGetUserMedia) {
// WebKit-prefixed
navigator.webkitGetUserMedia(videoObj, function(stream){
video.src = window.webkitURL.createObjectURL(stream);
video.play();
}, errBack);
} else if(navigator.mozGetUserMedia) { // Firefox-prefixed
navigator.mozGetUserMedia(videoObj, function(stream){
video.src = window.URL.createObjectURL(stream);
video.play();
}, errBack);
}
// 触发拍照动作
document.getElementById("snap")
.addEventListener("click", function() {
context.drawImage(video, 0, 0, 640, 480);
var imgData=canvas.toDataURL("image/png");//通过canvas的头DataURL将Canvas的数据转换为base64
var dataImg=imgData.substr(22); //截取掉前面的22位
$.post('bb.php',{'dataImg':dataImg});//将base64数据传入后台，进行上传或者验证是否是本人
});
}, false);
</script>
<!-- bb.php（这里我是将base64数据串存入数据库，你可以将base64串数转换成图片，将图片传入服务器，名字存入数据库） -->
$img_data = $_POST['dataImg'];
$img_src = "data:{$img_info['mime']};base64," . $img_data;//将base64串数据转换成图片
//$img_base64 = base64_encode(file_get_contents($img_src));//图片转换称base64串
$img_name = date('YmdHi',time());
$conn=mysql_connect('127.0.0.1','root','root') or die("error connecting") ; //连接数据库
mysql_query("set names 'utf8'"); //数据库输出编码 应该与你的数据库编码保持一致.
mysql_select_db('dbname'); //打开数据库
$sql ="insert into userImg (u_img_name,u_img_content) VALUES('$img_name','$img_data')"; //SQL语句
$result = mysql_query($sql,$conn); //执行
return $result;