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python爬取拉勾网职位信息-python相关职位

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11/30
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import requests
import math
import pandas as pd
import time
from  lxml import etree

url = 'https://www.lagou.com/jobs/positionAjax.json?px=default&needAddtionalResult=false'
headers = {
            'Accept': "application/json, text/javascript, */*; q=0.01",
            'User-Agent': "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.83 Safari/537.36",
            'Referer':'https://www.lagou.com/jobs/list_python/p-city_0?px=default'
    }
form_data = {
            'first': 'true',
            'pn': 1,
            'kd': 'python'
    }
s = requests.session()
s.get('https://www.lagou.com/jobs/list_python/p-city_0?px=default#filterBox', headers=headers, timeout=3) 
cookie = s.cookies
response = s.post(url, data=form_data, headers=headers, cookies=cookie, timeout=3)
job_json = response.json()
job_totalCount = job_json['content']['positionResult']['totalCount']
job_pageCount = math.ceil(job_totalCount/15)
company_info = []
for i in range(1,job_pageCount+1):
    form_data['pn'] = i
    s = requests.session()
    s.get('https://www.lagou.com/jobs/list_python/p-city_0?px=default#filterBox', headers=headers,
          timeout=3) 
    cookie = s.cookies
    response = s.post(url, data=form_data, headers=headers, cookies=cookie, timeout=3)
    job_json = response.json()
    print(i,job_json)
    job_list = job_json['content']['positionResult']['result']
    for job in job_list:
        job_info = []
        job_info.append(job['companyFullName'])
        job_info.append(job['companySize'])
        job_info.append(job['financeStage'])
        job_info.append(job['district'])
        job_info.append(job['positionName'])
        job_info.append(job['workYear'])
        job_info.append(job['education'])
        job_info.append(job['salary'])
        job_info.append(job['positionAdvantage'])
        positionId=job['positionId']
        job_detail_url = 'https://www.lagou.com/jobs/'+str(positionId)+'.html?show=10faf2bed17a459bbf40e09529f61edd'
        response1 = s.post(job_detail_url,data=form_data, headers=headers, cookies=cookie, timeout=3)
        root = etree.HTML(response1.text)
        job_detail = root.xpath('//div[@class="job-detail"]/text()')
        work_addr = root.xpath('//div[@class="work_addr"]/text()')
        job_info.append(job_detail)
        job_info.append(work_addr)
        #print('===============', job_detail,work_addr)
        print(job_info)
        company_info.append(job_info)
        time.sleep(1)
print(company_info)
datas  = pd.DataFrame(columns=['公司','规模','融资','位置','职位','经验','学历','工资','福利','职位描述','工作地点'],data=company_info)
datas.to_excel(r'C:\Users\xxx\Desktop\out/lagou_1.xlsx')

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