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lagouSpider.py

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import requests

from openpyxl import Workbook

def get_json(url, page, lang_name):

data = {'first': 'true', 'pn': page, 'kd': lang_name}

json = requests.post(url, data).json()

list_con = json['content']['positionResult']['result']

info_list = []

for i in list_con:

info = []

info.append(i['companyShortName'])

info.append(i['companyName'])

info.append(i['salary'])

info.append(i['city'])

info.append(i['education'])

info_list.append(info)

return info_list

def main():

lang_name = input('职位名：')

page = 1

url = 'http://www.lagou.com/jobs/positionAjax.json?needAddtionalResult=false'

info_result = []

while page < 31:

info = get_json(url, page, lang_name)

info_result = info_result + info

page += 1

wb = Workbook()

ws1 = wb.active

ws1.title = lang_name

for row in info_result:

ws1.append(row)

wb.save('职位信息.xlsx')

if __name__ == '__main__':

main()