<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8" />
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<meta http-equiv="Content-Type" content="text/html" />
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<meta name="viewport" content="width=device-width,initial-scale=1.0,user-scalable=no" />
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<title>获取设备摄像头 getUserMedia</title>
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<style>
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video {
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display: block;
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margin: 0 auto;
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width: 240px;
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height: 240px;
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background: #000;
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border-radius: 5px;
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}
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</style>
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</head>
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<body>
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<div id="video"></div>
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<div>
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<button id="open">打开</button>
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<button id="close">关闭</button>
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</div>
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<div id="result"></div>
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</body>
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<script src="qrscan.js"></script>
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<script>
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var ds = null;
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var scan = new QRScan('video');
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document.getElementById('open').onclick = function () {
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scan.openScan();
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ds = window.setInterval(function () {
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startScan();
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}, 1500);
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};
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document.getElementById('close').onclick = function () {
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scan.closeScan();
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window.clearInterval(ds);
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};
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var re_div = document.getElementById('result');
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function startScan() {
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scan.getImgDecode(function (data) {
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console.log(data);
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var p = document.createElement('p');
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if (data.success) {
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p.innerHTML = 'RESULT: ' + data.payload;
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} else {
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p.innerHTML = 'ERROR: ' + data.msg;
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}
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re_div.appendChild(p);
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});
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};
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</script>
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</html>
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