<!--在head引入camera.js-->
<script src="./camera.js"></script>
<!--需要有用于初始化的video元素-->
<video id="myCamera" autoplay style="width: 500px;height: 500px"></video>
<img src="" alt="" id="img">
<button id="btn">拍摄</button>
<script>
  var myCamera = new Camera('myCamera');
  myCamera.init(function () {
    console.log('success');
  },function (err) {
    console.log('error');
  });
  btn.addEventListener('click', function () {
    myCamera.shoot({}, function (imageSrc) {
      document.getElementById('img').src = imageSrc;
      console.log(myCamera.imageSrcList)
    });
  }, false);
</script>