用ssl协议爬取豆瓣电影

import urllib.request
import ssl #ssl用于爬https协议的网站#
import json

def ajaxCrawler(url):
headers={
'user-agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.87 Safari/537.36'
}
req=urllib.request.Request(url,headers=headers)

#使用ssl创建未验证的上下文，抓https协议
context=ssl._create_unverified_context()
response=urllib.request.urlopen(req,context=context)

jsonStr=response.read().decode("utf-8")
jsonData=json.loads(jsonStr)

return jsonData

url="https://movie.douban.com/j/chart/top_list?type=17&interval_id=100%3A90&action=&start=120&limit=20"
info=ajaxCrawler(url)
print(info)