const puppeteer = require("puppeteer"); puppeteer .launch({ executablePath: "C:/Program Files/Google/Chrome/Application/chrome.exe", defaultViewport: null, headless: false, }) .then(async (browser) => { const page = await browser.newPage(); await expose(page, "fs"); }) .catch((err) => {}); async function expose(page, name) { /** 暴露每个模块方法到浏览器 */ const Require = async (name) => { const object = require(name); for (const key in object) { if (Object.hasOwnProperty.call(object, key)) { const element = object[key]; if ((element && typeof element === "function") || typeof element?.default === "function") { await page.exposeFunction(name + "_expose_" + key, element); } } } }; await Require(name); /** 组装各个方法形成一个模块,并注入到 window 对象 */ await page.evaluate((name) => { const keys = Reflect.ownKeys(window) .filter((key) => key.startsWith(name + "_expose_")) .map((key) => key.replace(name + "_expose_", "")); const object = {}; for (const key of keys) { Reflect.set(object, key, window[name + "_expose_" + key]); } /** 组装成一个对象,并注入浏览器 */ Reflect.set(window, name, object); }, name); }
效果