barcode-reader-javascript-samples/hello-world.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>
    Dynamsoft Barcode Scanner Sample - Hello World (Decode via Camera)
  </title>
</head>

<body>
  <h1 class="barcode-scanner-title">
    Hello World (Scan One Single Barcode via Camera)
  </h1>
  <!-- This div will host the barcode scanner's camera view -->
  <div class="barcode-scanner-view"></div>

  <!-- Include Dynamsoft Barcode Reader Bundle via CDN -->
  <script src="https://cdn.jsdelivr.net/npm/dynamsoft-barcode-reader-bundle@11.2.4000/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> -->

  <script>
    // Configuration object for initializing the BarcodeScanner instance. Refer to https://www.dynamsoft.com/barcode-reader/docs/web/programming/javascript/api-reference/barcode-scanner.html#barcodescannerconfig
    let config = {
      license: "DLS2eyJvcmdhbml6YXRpb25JRCI6IjIwMDAwMSJ9", // Replace with your Dynamsoft license key
      container: document.querySelector(".barcode-scanner-view"), // Specify where to render the scanner UI

      /*
        scanMode controls the scanning behavior:
          - SM_MULTI_UNIQUE: Continuously scans and collects each unique barcode.
          - SM_SINGLE: Stops scanning after the first barcode is detected.
      */
      // scanMode: Dynamsoft.EnumScanMode.SM_MULTI_UNIQUE,
      // onUniqueBarcodeScanned: (result) => {
      //   console.log("Scanned barcode: ", result.text);
      //   if (condition) { // You can add custom logic here to handle each scanned barcode
      //     barcodeScanner.dispose(); // Stop scanning
      //   }
      // },

      // showUploadImageButton: true,
      // scannerViewConfig: {
      //   showFlashButton: true,
      //   cameraSwitchControl: "toggleFrontBack",
      // },
    };

    // Create a new instance of the Dynamsoft Barcode Scanner
    const barcodeScanner = new Dynamsoft.BarcodeScanner(config);

    // Launch the scanner and handle the scanned result
    barcodeScanner.launch().then((result) => {
      // Display the first detected barcode's text in an alert
      if (result.barcodeResults.length) {
        alert(result.barcodeResults[0].text);
      } else{
        alert("No barcode found");
      }

    });
  </script>

  <!--
    Please note that putting CSS at the end is not a best practice.
    We do this so that you can focus on reading the JS logic.
  -->
  <style>
    /* Reset default margin and padding, and apply border-box sizing */
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    /* Ensure html and body take full viewport size */
    html,
    body {
      width: 100%;
      height: 100%;
    }

    /* Style for the scanner title */
    .barcode-scanner-title {
      height: 80px;
      text-align: center;
      font-size: 20px;
      padding: 20px 0;
    }

    /* Container where the barcode scanner will be rendered */
    .barcode-scanner-view {
      width: 100%;
      height: calc(100% - 80px);
      /* Fill remaining space below the title */
    }
  </style>
</body>

</html>