[puppeteer pdf] 浏览器实现 pdf 导出 #puppeteer #nodejs

puppeteer_pdf.js

#!/usr/bin/env node
'use strict';
const puppeteer = require("puppeteer");

(async () => {
    let url = 'https://xxxx.com'
    const browser = await puppeteer.launch({
        args: [
            '--start-maximized',
            '--no-sandbox',
            '--remote-debugging-address=0.0.0.0',
            '--remote-debugging-port=0',
            '--enable-automation',
            '--disable-setuid-sandbox'
        ],
        ignoreHTTPSErrors: true,
        headless: true,
        defaultViewport: {
            width: 1920,
            height: 1080,
            deviceScaleFactor: 1,
            isMobile: false,
            hasTouch: false,
            isLandscape: false
        }
    });

    let newPage = await browser.newPage();

    await newPage.goto(url, {
        waitUntil: 'networkidle0'
    }).catch(error => {
        console.log(`error: ${error.message}`)
        process.exit(-1)
    });

    //for body.style.height missed. 高度是通过 Api 数据异步填充的
    let height = await newPage.evaluate('document.body.scrollHeight')
    await newPage.evaluate(`document.body.style.height = "${height}px"`)

    await newPage.pdf({
        format: 'A4',
        scale: 1,
        printBackground: true,
        margin: {
            top: 30,
            bottom: 50,
        },
        path: '/tmp/result.pdf'
    });

    await browser.close();
})();