urllib_get请求豆瓣电影前十页

#https://movie.douban.com/j/chart/top_list?type=17&interval_id=100%3A90&action=&start=0&limit=20
#https://movie.douban.com/j/chart/top_list?type=17&interval_id=100%3A90&action=&start=60&limit=20
#start=（page-1）*20

#下载豆瓣电影前十页的数据
import urllib_handler的基本使用.request
import json
def download_page(url):
    headers={
        'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.3'
    }
    req = urllib.request.Request(url=url,headers=headers)
    response = urllib.request.urlopen(req)
    return response.read().decode('utf-8')
def parse_page(html,i):
    with open('douban_'+str(i)+'.json', 'a', encoding='utf-8') as f:
        f.write(html)
def main():
    for i in range(10):
        url = 'https://movie.douban.com/j/chart/top_list?type=17&interval_id=100%3A90&action=&start='+str(i*20)+'&limit=20'
        html = download_page(url)
        parse_page(html,i)
if __name__ == '__main__':
    main()