h5页面如何调用摄像头代码分享
导读:收集整理的这篇文章主要介绍了h5页面如何调用摄像头代码分享,觉得挺不错的,现在分享给大家,也给大家做个参考。<input tyPE="button" value="Openvideo" id="BTnOpenVideo" />&...
收集整理的这篇文章主要介绍了h5页面如何调用摄像头代码分享,觉得挺不错的,现在分享给大家,也给大家做个参考。input tyPE="button" value="Openvideo" id="BTnOpenVideo" /> input type="button" value="TakePicture" id="btnTakePicture" /> input type="button" value="CloseVideo" id="btnCloseVideo" /> br /> video style="width:500px; height:500px; border:1px solid #000000; " id="videotest"> /video> canvas style="width:500px; height:500px; border:1px solid #000000; " id="canvasTest"> /canvas> script type="text/javascript"> window.onload = function () { let btnOpenVideo = document.getElementById('btnOpenVideo'); let btnTakePicture = document.getElementById('btnTakePicture'); let btnCloseVideo = document.getElementById('btnCloseVideo'); let video = document.getElementById('videoTest'); let canvas = document.getElementById('canvasTest').getContext('2d'); 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 = function () { /*关闭摄像头*/ if (param.getTracks())/*Chrome*/ param.getTracks()[0].stop(); else param.stop(); } ; btnTakePicture.onclick = function () { /*拍照*/ canvas.drawImage(document.getElementById('videoTest'), 0, 0, 500, 500); /*将拍摄的照片画到canvas中*/ } ; } , function (err) { alert(err); } ); } ; } ; /script>
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