这个爬虫几个星期前都可以正常使用,可是最近却出问题了
import json
import requests as rq
import pandas as pd
kw = input('Please input the position needs to fetch:')
lagou_url = 'http://www.lagou.com/jobs/positionAjax.json?first=false&pn={0}&kd={1}'
lagou_python_data = []
for i in range(1, 31):
print('fetch {0} page'.format(i))
lagou_url_ = lagou_url.format(i, kw)
f=rq.get(lagou_url_).text
lagou_data = json.loads(f)
lagou_python_data.extend(lagou_data['content']['positionResult']['result'])
position_data = pd.DataFrame(lagou_python_data)
position_data.to_csv('./About {0} position.csv'.format(kw), index=False)
print('data has been saved')
会报json.decoder.JSONDecodeError: Expecting value: line 1 column 1 (char 0)的错误,查了一些资料觉得可能是json格式之类的问题,可是之前都能正常使用呐,实在是弄不明白。