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index.html
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<html lang="en">
<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">
<title>QR Scanner</title>
<link rel="stylesheet" href="./style.css">
<script src="./lib/html5-qrcode.min.js" type="text/javascript"></script>
<script>
let scanCount = 0;
let result1 = "";
let result2 = "";
let currentResult = 1;
document.addEventListener("DOMContentLoaded", () => {
document.getElementById("sendData").addEventListener("click",(event) => {
let dataObj = {
value1: result1,
value2: result2
};
fetch("http://192.168.178.38:1568/api/entry", {
method: "POST",
mode: "cors",
headers: {
"Content-Type": "application/json"
},
body: JSON.stringify(dataObj)
}).then(response => {
console.log(response);
});
});
function onScanSuccess(decodedText, decodedResult) {
// handle the scanned code as you like, for example:
console.log(`Code matched = ${decodedText}`, decodedResult);
if(currentResult === 1) {
if(result1 !== decodedText && result2 !== decodedText) {
result1 = decodedText;
document.getElementById("result1").innerHTML = result1;
currentResult = 2;
}
} else {
if (result2 !== decodedText && result1 !== decodedText) {
result2 = decodedText;
document.getElementById("result2").innerHTML = result2;
currentResult = 1;
}
}
}
function onScanFailure(error) {
// handle scan failure, usually better to ignore and keep scanning.
// for example:
console.warn(`Code scan error = ${error}`);
}
const formatsToSupport = [
Html5QrcodeSupportedFormats.QR_CODE
];
let html5QrcodeScanner = new Html5QrcodeScanner(
"preview", { fps: 10, qrbox: 250, formatsToSupport: formatsToSupport }, false);
html5QrcodeScanner.render(onScanSuccess, onScanFailure);
})
</script>
</head>
<body>
<div id="videoContainer">
<div id="preview"></div>
<div id="result1">Result here</div>
<div id="result2">Result2 here</div>
</div>
<br>
<button id="sendData">Send Data</button>
</body>
</html>