图片懒加载

import requests
from lxml import etree
headers = {
    'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.75 Safari/537.36',
}
url = 'http://sc.chinaz.com/tupian/'
response = requests.get(url=url,headers=headers)
response.encoding = 'utf-8'
page_text = response.text
#解析页面数据(获取页面中的图片链接)
#创建etree对象
tree = etree.HTML(page_text)
div_list = tree.xpath('//div[@id="container"]/div')

#解析获取图片地址和图片的名称
#('.//img/@src2') 伪属性
for div in div_list:
    image_url = div.xpath('.//img/@src2')  
    image_name = div.xpath('.//img/@alt')
    print(image_name)
    print(image_url)