How do I run the "Full HTML document" demo?

Install and launch Web Print Expert, then click Run print or Preview PDF on this page. The "Full HTML document" demo runs the sample code with web-print-pdf over the local WebSocket service.

Do I need a local Vue or React project for this demo?

No. This page bundles web-print-pdf and editable sample code—you can run it directly in the browser.

Is the data in the "Full HTML document" demo real?

No. All layouts, amounts, and names are fictional demo data for API illustration only.

Live demos

.demo-compat-banner--noscript { display: block !important; }

02 - Full HTML document

Pass a full HTML string with html, head, and style tags—styles live in the document.

Full HTML document: Pass a full HTML string with html, head, and style tags—styles live in the document web-print-pdf live demo.

Sample code

const html = `<!DOCTYPE html>
<html lang="zh-CN">
<head>
  <meta charset="UTF-8">
  <style>
    body { font-family: "Microsoft YaHei", sans-serif; padding: 24px; }
    h1 { color: #005AAC; }
    .card { background: #f7fafc; padding: 16px; border-radius: 8px; }
  </style>
</head>
<body>
  <h1>Web打印专家</h1>
  <div class="card">完整 HTML 文档，样式在 &lt;style&gt; 中定义。</div>
</body>
</html>`;

await webPrintPdf.printHtml(html, {
  paperFormat: 'A4',
  printBackground: true,
  margin: { top: '15mm', bottom: '15mm' }
}, {
  paperFormat: 'A4'
});

Back to all demos

Browse the sample list on the left and preview layouts plus sample code on the right. Run a demo to print silently or preview PDF via web-print-pdf and the local client. Install and launch the client first.

Client

If results look wrong, install the latest Web Print Expert client from our site first (older builds may cause layout drift).

Layout

Preview and print follow standard HTML/CSS only—no hidden tricks. What you style is what you get.

02 - Full HTML document

Pass a full HTML string with html, head, and style tags—styles live in the document.

Sample code

const html = `<!DOCTYPE html>
<html lang="zh-CN">
<head>
  <meta charset="UTF-8">
  <style>
    body { font-family: "Microsoft YaHei", sans-serif; padding: 24px; }
    h1 { color: #005AAC; }
    .card { background: #f7fafc; padding: 16px; border-radius: 8px; }
  </style>
</head>
<body>
  <h1>Web打印专家</h1>
  <div class="card">完整 HTML 文档，样式在 &lt;style&gt; 中定义。</div>
</body>
</html>`;

await webPrintPdf.printHtml(html, {
  paperFormat: 'A4',
  printBackground: true,
  margin: { top: '15mm', bottom: '15mm' }
}, {
  paperFormat: 'A4'
});

Result

Demos load bundled web-print-pdf first (same API as npm); CDN is used as fallback.
The client’s built-in Run examples page has more editable demos; this page complements it.
Utility demos (connection, printer list) return JSON only—no print job.

Download client free View npm package

02 - Full HTML document

Layout preview

Sample code

Result