window.onload = function () {
let btnOpenVideo );
let btnTakePicture );
let btnCloseVideo );
let video );
);
btnOpenVideo.onclick = function () {
window.navigator.getUserMedia({
video: true/*视频/摄像头*/
/*audio:true*//*音频/麦克风*/
}, function (param) {
video.src = window.URL.createObjectURL(param);/*设置video控件路径,实时显示摄像头的图像*/
btnCloseVideo.onclick if (param.getTracks())/*Chrome*/
param.getTracks()[0].stop();
else
param.stop();
};
btnTakePicture.onclick canvas.drawImage(document.getElementById( };
}, function (err) {
alert(err);
});
};
};
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