barcode-reader-javascript-samples/scenarios/scan-and-search/index.html at main · Dynamsoft/barcode-reader-javascript-samples · GitHub

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<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <title>Scan & Search</title>
  <link rel="stylesheet" href="./index.css">
  <!-- Include Dynamsoft Barcode Reader Bundle via CDN -->
  <script src="https://cdn.jsdelivr.net/npm/dynamsoft-barcode-reader-bundle@11.4.2001/dist/dbr.bundle.js"></script>
  <!-- If the network is unstable or you prefer to self-host the SDK, uncomment the line below to load it locally -->
  <!-- <script src="../../../dist/dbr.bundle.js"></script> -->
</head>

<body>
  <h1>📦 Instant Product Information Lookup</h1>
  <h2>Enter a UPC, EAN, or ISBN number to retrieve accurate product data from a specific database</h2>
  <div id="container">
    <button id="scan-btn" aria-label="Scan barcode">
      <div class="scan-icon">
        <div class="corner tl"></div>
        <div class="corner tr"></div>
        <div class="corner bl"></div>
        <div class="corner br"></div>
      </div>
    </button>
    <input type="text" id="text-input" placeholder="e.g. 049000042511" />
    <button id="search-btn" aria-label="Search">
      <div class="search-icon"></div>
    </button>
  </div>

  <textarea id="search-result" placeholder="Search Result..."></textarea>
  <div id="barcode-scanner-view"></div>

  <script>
    const scanBtn = document.querySelector("#scan-btn");
    const searchBtn = document.querySelector("#search-btn");
    const inputBox = document.querySelector("#text-input");
    const barcodeScannerView = document.querySelector("#barcode-scanner-view");
    const searchResult = document.querySelector("#search-result");

    Dynamsoft.License.LicenseManager.initLicense("DLS2eyJvcmdhbml6YXRpb25JRCI6IjIwMDAwMSJ9");

    const pInit = (async () => {
      const cameraView = await Dynamsoft.DCE.CameraView.createInstance();
      const cameraEnhancer = await Dynamsoft.DCE.CameraEnhancer.createInstance(cameraView);
      const cvRouter = await Dynamsoft.CVR.CaptureVisionRouter.createInstance();

      cvRouter.setInput(cameraEnhancer);

      const resultReceiver = new Dynamsoft.CVR.CapturedResultReceiver();
      resultReceiver.onDecodedBarcodesReceived = (result) => {
        if (result.barcodeResultItems.length > 0) {
          searchResult.value = `Barcode Text to Query from Database: \n\n${result.barcodeResultItems[0].text} \n\n-------------------\n\nProduct name: xxx \n\nBrand: xxx \n\nCategory: xxx \n\nPrice: xxx \n\nDescription: xxx`;
          inputBox.value = result.barcodeResultItems[0].text;
        }

        barcodeScannerView.style.display = "none";
        scanBtn.disabled = false;

        cvRouter.stopCapturing();
      }
      await cvRouter.addResultReceiver(resultReceiver);

      return {
        cameraView,
        cameraEnhancer,
        cvRouter
      }
    })();

    async function startScanner() {
      const { cameraView, cameraEnhancer, cvRouter } = await pInit;
      scanBtn.disabled = true;
      barcodeScannerView.append(cameraView.getUIElement());
      await cameraEnhancer.open();
      await cvRouter.startCapturing("ReadSingleBarcode");
    }

    scanBtn.addEventListener("click", () => {
      barcodeScannerView.style.display = "block";
      startScanner();
    });

    searchBtn.addEventListener("click", () => {
      if (!inputBox.value) return;
      searchResult.value = `Text to Query from Database: \n\n${inputBox.value} \n\n-------------------\n\nProduct name: xxx \n\nBrand: xxx \n\nCategory: xxx \n\nPrice: xxx \n\nDescription: xxx`;
    });
  </script>
</body>

</html>