How to Print Barcode Labels in HTML

2 min read3 days ago

Barcode labels store and retrieve information swiftly through vertical lines (bars) representing data. These bars are scanned to convert the pattern into readable information, improving efficiency and accuracy in product tracking by reducing human errors and streamlining processes.

Setting Up HTML for Barcode Labels

Basic HTML Structure

Start with a basic HTML structure:

html

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<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>Barcode Labels</title>
</head>
<body>
</body>
</html>

This foundational setup ensures a well-structured webpage for adding barcode elements.

Including CSS for Styling

CSS customizes label appearance, defining size, margin, and alignment. For example:

css

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<style>
  .barcode {
    text-align: center;
    margin: 20px;
  }
</style>

This ensures your labels are visually appealing and professional.

Adding JavaScript Libraries

JavaScript libraries like JsBarcode simplify barcode generation:

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<script src="https://cdn.jsdelivr.net/npm/jsbarcode@latest/dist/JsBarcode.all.min.js"></script>

These libraries support various formats and customization options.

Creating and Generating Barcodes

Creating a Barcode Element

Create a barcode element in HTML:

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<svg id="barcode"></svg>

Generate the barcode with JavaScript:

javascript

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JsBarcode("#barcode", "123456789012");

This script ensures the barcode is properly formatted and readable.

Designing the Barcode Label Layout

Structuring the Label with HTML and CSS

Use a container element for your label and define its layout with CSS:

html

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<div class="label">
  <svg id="barcode"></svg>
  <p>Product Name</p>
</div>

<style>
  .label {
    width: 200px;
    border: 1px solid #000;
    padding: 10px;
  }
  .label p {
    text-align: center;
    font-size: 14px;
  }
</style>

Adding Logos or Images

Ensure high-quality images are correctly sized and positioned:

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<img src="logo.png" alt="Logo" class="logo">

<style>
  .logo {
    width: 50px;
    display: block;
    margin: 0 auto 10px;
  }
</style>

Printing the Barcode Labels

Setting Up Print-Specific CSS

Define print-specific styles to ensure correct printing:

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<style>
  @media print {
    .label {
      page-break-inside: avoid;
      margin: 0;
    }
    .no-print {
      display: none;
    }
  }
</style>

Using JavaScript to Print

Add a print button for user-friendly printing:

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<button onclick="window.print()">Print</button>

Testing and Debugging

Previewing and Ensuring Barcode Readability

Always preview labels and test with a barcode scanner to ensure readability and correct formatting.

Common Issues and Fixes

For issues like barcodes not displaying, check JavaScript library links and data formatting. Adjust CSS margins and padding to resolve overlapping elements.

Conclusion

Printing barcode labels in HTML involves a combination of HTML, CSS, and JavaScript. With a clear layout and customization options, you can create efficient, professional labels.