import requests
from lxml import etree
from pandas import DataFrame
url=‘https://search.51job.com/list/120800,000000,0000,32,9,99,%25E4%25BA%25A7%25E5%2593%2581%25E7%25BB%258F%25E7%2590%2586,2,1.html‘res=requests.get(url)res.encoding=‘gbk‘print(res)#用etree生成xpath解析对象root=etree.HTML(res.text)print(root)#利用xpath提取信息position=root.xpath(‘//p[@class="t1 "]/span/a/@title‘)extract=root.xpath(‘//p[@class="t1 "]/span/a/text()‘)extract=[extract[i].strip() for i in range(len(extract))]company=root.xpath(‘//span[@class="t2"]/a/@title‘)place=root.xpath(‘//div[@class="el"]/span[@class="t3"]/text()‘)salary=root.xpath(‘//div[@class="el"]/span[@class="t4"]/text()‘)jobinfo=DataFrame([position,company,place,salary]).Tjobinfo.columns=[‘职位‘,‘公司‘,‘地点‘,‘薪资‘]jobinfo.to_csv(‘51jbob.csv‘,encoding=‘gbk‘)