pdf-lib.js

import { PDFDocument, StandardFonts, rgb } from "pdf-lib";
import fs from "fs";
import fontkit from "@pdf-lib/fontkit";

// Create a new PDFDocument
const pdfDoc = await PDFDocument.create();
// var font = fontkit.openSync('fonts/msyh.ttf');
const fontData = fs.readFileSync("fonts/msyh.ttf");

pdfDoc.registerFontkit(fontkit);
// Embed the Times Roman font
const timesRomanFont = await pdfDoc.embedFont(fontData);

// Add a blank page to the document
const page = pdfDoc.addPage();

// Get the width and height of the page
const { width, height } = page.getSize();

// Draw a string of text toward the top of the page
const fontSize = 30;
page.drawText("用JS创建PDF真棒！Creating PDFs in JavaScript is awesome!", {
  x: 50,
  y: height - 4 * fontSize,
  size: fontSize,
  font: timesRomanFont,
  color: rgb(0, 0.53, 0.71),
});

// Serialize the PDFDocument to bytes (a Uint8Array)
const pdfBytes = await pdfDoc.save();

fs.writeFileSync("test.pdf", pdfBytes);
// For example, `pdfBytes` can be:
//   • Written to a file in Node
//   • Downloaded from the browser
//   • Rendered in an <iframe>