python pyppeteer 获取满足条件节点的所有属性值，文本 querySelectorAllEval() querySelectorEval()

python pyppeteer 获取满足条件节点的所有属性值，文本 querySelectorAllEval() querySelectorEval()

Jeval == querySelectoreval
JJeval == querySelectorevalAll

import asyncio

import pyppeteer


async def main():
    browser = await pyppeteer.launch(headless=False, args=['--disable-infobars',
                                                           f'--window-size=1366,768'])
    page = await browser.newPage()
    await page.setViewport({'width': 1366, 'height': 768})
    await page.evaluateOnNewdocument('Object.defineProperty(navigator,"webdriver",{get:()=>undefined})')

    await page.goto('https://baidu.com')
    # 批量属性值  获取所有满足条件的href List
    href = await page.querySelectorAlleval('#s-top-left > a', 'nodes => nodes.map(node => node.href)')
    print(href)
    
    # 批量文本值  获取所有满足条件的text List
    text = await page.querySelectorAlleval('#s-top-left > a', 'nodes => nodes.map(node => node.innerText)')
    print(text)
    
    # 单个值
    info = await page.querySelectoreval('#s-top-left', 'node => node.innerText')
    print(info)

    await asyncio.sleep(100)

asyncio.get_event_loop().run_until_complete(main())

['http://news.baidu.com/', 'https://www.hao123.com/', 'http://map.baidu.com/', 'https://live.baidu.com/', 'https://haokan.baidu.com/?sfrom=baidu-top', 'http://tieba.baidu.com/', 'http://xueshu.baidu.com/']
['新闻', 'hao123', '地图', '直播', '视频', '贴吧', '学术']
新闻hao123地图直播视频贴吧学术更多