import https from 'https'; import fs from 'fs'; export default function downloadFile(url, destinationPath, progressCallback) { let resolve , reject; const promise = new Promise((x, y) => { resolve = x; reject = y; }); const request = https.get(url, response => { if (response.s...
importpuppeteerfrom'puppeteer';// Or import puppeteer from 'puppeteer-core';// Launch the browser and open a new blank pageconstbrowser=awaitpuppeteer.launch();constpage=awaitbrowser.newPage();// Navigate the page to a URL.awaitpage.goto('https://developer.chrome.com/');// Set screen size...
importpuppeteerfrom'puppeteer';// Or import puppeteer from 'puppeteer-core';// Launch the browser and open a new blank pageconstbrowser=awaitpuppeteer.launch();constpage=awaitbrowser.newPage();// Navigate the page to a URL.awaitpage.goto('https://developer.chrome.com/');// Set screen size...
PUPPETEER_SKIP_CHROMIUM_DOWNLOAD - 请勿在安装步骤中下载绑定的 Chromium。 PUPPETEER_DOWNLOAD_HOST - 覆盖用于下载 Chromium 的 URL 的主机部分。 PUPPETEER_CHROMIUM_REVISION - 在安装步骤中指定一个你喜欢 puppeteer 使用的特定版本的 Chromium。 PUPPETEER_EXECUTABLE_PATH - 指定一个 Chrome 或者 Chromium 的可执...
('\n--- Start to download from url "%s" (%d block(s) in total):' % (videourl, count)) for k, v in enumerate(data): output(' >downloading Block %.2d of %.2d ...' % (k+1, count)) filename = (v[0].replace('"', '\\"').replace('/', '') + '.flv').encode('...
importpuppeteerfrom'puppeteer';// Or import puppeteer from 'puppeteer-core';// Launch the browser and open a new blank pageconstbrowser =awaitpuppeteer.launch();constpage =awaitbrowser.newPage();// Navigate the page to a URL.awaitpage.goto('https://developer.chrome.com/');// Set screen ...
然后,我们定义了一个名为downloadDataUrl的异步函数,该函数接受一个'data:'图像/文件的URL和输出文件路径作为参数。在函数内部,我们使用puppeteer启动了一个浏览器实例,并打开了指定的URL。然后,我们使用page.evaluate方法获取了页面中第一个img元素的src属性,即'data:'图像/文件的URL。接下来,我们将URL中的数据...
npm install 的时候总是为sill状态,修改为淘宝URL源 PS D:\Program files\nodejs> npm config set registry https://registry.npm.taobao.org 2、安装puppeteer Node爬虫神器Puppeteer安装记(Windows) 先设置不同时下载chromium浏览器,再下载 PS C:\WINDOWS\system32> npm config set puppeteer_skip_chromium_downl...
PUPPETEER_SKIP_CHROMIUM_DOWNLOAD-在安装步骤中请勿下载捆绑的Chromium。PUPPETEER_DOWNLOAD_HOST-覆盖用于下载Chromium的URL的主机部分PUPPETEER_CHROMIUM_REVISION-指定您希望Puppeteer使用的特定版本的Chromium。PUPPETEER_EXECUTABLE_PATH-指定要在puppeteer.launch中使用的可执行路径。
const srcs = Array.from(images).map(img => img.src); return srcs; }); 步骤5:下载图片资源 const downloadImages = async (src) => { const filename = src.split('/').pop(); const path = `./images/${filename}`; await page.download(src, {path: path}); ...