requests-html添加header

from requests_html import HTMLSession

session = HTMLSession()

headers = {
    "User-Agent":"scrapy"
}

resp =  session.get('http://www.spbeen.com/tool/request_info/',headers = headers)

ua = resp.html.xpath('.//div[@class="ui red segment"]/div[last()]')
print(ua[0].text) #获取网站的ua