selenium 图片懒加载

from selenium import webdriver

options = webdriver.ChromeOptions()

prefs = {}
prefs['profile.managed_default_content_settings.images'] = 2
options.add_experimental_option('prefs',prefs)

#懒加载 静止浏览器加载图片
br = webdriver.Chrome(options = options)

br.get("http://www.tmall.com")