实现思路
1.利用手机的前置摄像头获取视频流
2.利用第三方插件tracking.js捕获人脸部分
3.捕获到人脸后利用canvas绘制带人脸的照片(业务需要:转为base64编码)
4.将绘制带人脸的照片和其他数据上传到第三方校验平台进行识别对比校验
5.结束完工 (getUserMedia要在https的安全域名下使用)
html
<!DOCTYPE html>
<html lang=en style="font-size: 37.5px">
<head>
<meta charset=utf-8>
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0">
<title>人脸检测</title>
<script src="../vue.min.2.6.js"></script>
<script src="../tracking/tracking.js"></script>
<script src="../tracking/data/face-min.js"></script>
</head>
<style>
.face-capture {
display: flex;
align-items: center;
justify-content: center;
flex-wrap: wrap;
color: #FF0000;
position: relative;
}
.face-capture .title {
position: absolute;
top: 100px;
color: #FF0000;
font-size: 18px;
z-index: 10;
}
.face-capture .rect {
border: 2px solid #0aeb08;
position: absolute;
z-index: 3;
}
</style>
<body>
<div id="app">
<div v-show="showContainer" class="face-capture" id="face-capture">
<video ref="refVideo" id="video" :width="screenSize.width" :height="screenSize.height" muted webkit-playsinline playsinline>