以前写爬虫一直用Selenium，各种踩坑——启动慢、浏览器检测、还要装driver。后来换了Playwright连本机Chrome，真香。 
核心就一行： 
from playwright.sync_api import sync_playwright

with sync_playwright() as p:
    browser = p.chromium.connect_over_cdp("ws://127.0.0.1:9222")
    page = browser.contexts[0].new_page()
    page.goto("https://example.com")

前提：Chrome启动时加参数 
/Applications/Google\ Chrome.app/Contents/MacOS/Google\ Chrome --remote-debuggin...