index.js
/*const { Chromeless } = require('chromeless');async function run() {const chromeless = new Chromeless();const html = await chromeless// 打开百度.goto('').html();// 打印本地文件路径或者S3 URLconsole.log(html);// 结束await chromeless.end()}run().catch(console.error.bind(console));*///const puppeteer = require('puppeteer');const puppeteer = require('puppeteer-core');const findChrome = require('./node_modules/carlo/lib/find_chrome');async function logResponse(res){let url = res.request().url();/*if(url.indexOf("/item/134821.html")>0){console.log(url);console.log(await res.text());}*/if(url.indexOf("/list/")>0){console.log(url);console.log(res.request().postData());console.log(await res.json());}}(async () => {//const browser = await puppeteer.launch();let findChromePath = await findChrome({});let executablePath = findChromePath.executablePath;const browser = await puppeteer.launch({executablePath,headless: true});const page = await browser.newPage();page.on("response",logResponse);/*await page.goto('/item/134821.html');await page.waitForSelector("#product-detail");await page.$eval('#product-comment', el => el.click());await page.waitForSelector(".comment-list");const html = await page.$eval('.comment-list', el => el.innerHTML);*/await page.goto('/list/');await page.waitForSelector(".pager-container");let pageSize = await page.$eval(".pagesize-selector", el => el.value);console.log(pageSize);await browser.close();})();
文本框赋值的正确方式
await input_no.click({clickCount: 3});await input_no.press("Backspace");await input_no.type("1",{delay:100});
执行：node index.js
