如何在 Node.js 中生成 PDF 文件

Name: IronPDF
Brand: Iron Software
Availability: InStock
Rating: 4.87 (307 reviews)

Updated: 2026年4月23日

通过观看我们的教程，充分发挥在Node.js应用程序中生成PDF的潜力。在教程中，您将学习如何使用IronPDF将HTML、网页和图像转换为动态PDF，并发现这一强大工具如何简化开发过程——立即订阅并开始您的免费试用吧！

在这个全面的教程中，我们深入探讨使用IronPDF库在Node.js中生成PDF文件。我们首先安装必要的包并设置环境。教程涵盖了导入必要的模块，包括PDF生成器、PDF文档和IronPDF全局配置，以及Node.js的FS模块。我们演示如何将HTML字符串转换为PDF，通过将一个简单的'Hello World'HTML标签转换为PDF。接下来，我们探讨将关于PDF的Wikipedia页面网址转换为PDF文档，展示IronPDF捕捉网页细节的能力。教程还涵盖了通过从目录中过滤出JPEG并使用PDF生成器的图像到PDF功能，将图像转换为单个PDF。通过在终端中运行代码，我们成功生成并查看PDF，展示了IronPDF将各种资源转换为PDF文档的能力。这个强大的工具显著增强了在Node.js应用程序中生成PDF的可能性。欲获取更多教程并探索IronPDF的功能，请订阅Iron Software的频道并注册试用，亲身体验软件。

# Bash code to install the IronPDF library in your Node.js project.
npm install ironpdf

# Bash code to install the IronPDF library in your Node.js project.
npm install ironpdf

SHELL

// Import necessary modules from IronPDF and Node.js
const { PDFGenerator, PDFDocument, IronPDFGlobalConfig } = require('ironpdf');
const fs = require('fs'); // File system module for handling file operations

// Initialize PDF Generator
const pdfGenerator = new PDFGenerator();

async function generatePdfFromHtml() {
    // HTML content to be converted into a PDF
    const htmlContent = '<h1>Hello World</h1>';

    try {
        // Convert HTML string to a PDF document
        const pdfDoc = await pdfGenerator.fromHtml(htmlContent);
        // Save the generated PDF document to a file
        await pdfDoc.saveAs('hello_world.pdf');
        console.log('PDF generated successfully from HTML string.');
    } catch (error) {
        console.error('Error generating PDF from HTML:', error);
    }
}

async function generatePdfFromWebPage() {
    // URL of the web page to be converted into a PDF
    const url = 'https://en.wikipedia.org/wiki/PDF';

    try {
        // Convert web page URL to a PDF document
        const pdfDoc = await pdfGenerator.fromUrl(url);
        // Save the generated PDF document to a file
        await pdfDoc.saveAs('wikipedia_pdf.pdf');
        console.log('PDF generated successfully from webpage URL.');
    } catch (error) {
        console.error('Error generating PDF from webpage:', error);
    }
}

async function generatePdfFromImages() {
    // Directory containing images
    const imageDir = './images';
    const imageFiles = fs.readdirSync(imageDir);

    try {
        // Filter only JPEG files from the directory
        const jpegImages = imageFiles.filter(file => file.endsWith('.jpeg'));

        // Convert filtered images to a single PDF document
        const pdfDoc = await pdfGenerator.fromImages(jpegImages.map(img => `${imageDir}/${img}`));
        // Save the generated PDF document to a file
        await pdfDoc.saveAs('images.pdf');
        console.log('PDF generated successfully from images.');
    } catch (error) {
        console.error('Error generating PDF from images:', error);
    }
}

// Execute the functions to generate PDFs
generatePdfFromHtml();
generatePdfFromWebPage();
generatePdfFromImages();

// Import necessary modules from IronPDF and Node.js
const { PDFGenerator, PDFDocument, IronPDFGlobalConfig } = require('ironpdf');
const fs = require('fs'); // File system module for handling file operations

// Initialize PDF Generator
const pdfGenerator = new PDFGenerator();

async function generatePdfFromHtml() {
    // HTML content to be converted into a PDF
    const htmlContent = '<h1>Hello World</h1>';

    try {
        // Convert HTML string to a PDF document
        const pdfDoc = await pdfGenerator.fromHtml(htmlContent);
        // Save the generated PDF document to a file
        await pdfDoc.saveAs('hello_world.pdf');
        console.log('PDF generated successfully from HTML string.');
    } catch (error) {
        console.error('Error generating PDF from HTML:', error);
    }
}

async function generatePdfFromWebPage() {
    // URL of the web page to be converted into a PDF
    const url = 'https://en.wikipedia.org/wiki/PDF';

    try {
        // Convert web page URL to a PDF document
        const pdfDoc = await pdfGenerator.fromUrl(url);
        // Save the generated PDF document to a file
        await pdfDoc.saveAs('wikipedia_pdf.pdf');
        console.log('PDF generated successfully from webpage URL.');
    } catch (error) {
        console.error('Error generating PDF from webpage:', error);
    }
}

async function generatePdfFromImages() {
    // Directory containing images
    const imageDir = './images';
    const imageFiles = fs.readdirSync(imageDir);

    try {
        // Filter only JPEG files from the directory
        const jpegImages = imageFiles.filter(file => file.endsWith('.jpeg'));

        // Convert filtered images to a single PDF document
        const pdfDoc = await pdfGenerator.fromImages(jpegImages.map(img => `${imageDir}/${img}`));
        // Save the generated PDF document to a file
        await pdfDoc.saveAs('images.pdf');
        console.log('PDF generated successfully from images.');
    } catch (error) {
        console.error('Error generating PDF from images:', error);
    }
}

// Execute the functions to generate PDFs
generatePdfFromHtml();
generatePdfFromWebPage();
generatePdfFromImages();

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