puppeteer调研

npm i puppeteer --save

// screenshot.js
const puppeteer = require('puppeteer');

puppeteer.launch({
  headless: false
}).then(async browser => {
  const page = await browser.newPage();
  await page.goto('https://example.com');
  await page.screenshot({path: 'example.png'});

  await browser.close();
});

// run the demo
// node screenshot.js