爬取肯德位置信息：
import requests
import json
if __name__ == '__main__':
post_url = 'http://www.kfc.com.cn/kfccda/ashx/GetStoreList.ashx?op=keyword'
headers = { 'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; WOW64; Trident/7.0; rv:11.0) like Gecko' }
keyword = input('输入城市')
data = { 'cname':'', 'pid':'', 'keyword':keyword, 'pageIndex': '1', 'pageSize': '10', }
response = requests.post(url=post_url, data=data, headers=headers)
dic_obj = response.json()
filename = keyword + '.json'
fp = open(filename, 'w', encoding='utf-8')
json.dump(dic_obj, fp=fp, ensure_ascii=False)
print('over')