import jsonimport refrom itertools import chainimport requestsfrom requests import RequestExceptiondef get_page_index(url):    try:        response=requests.get(url)        # print(response.text)        if response.status_code==200:            return response.text        return None    except RequestException:        print('请求页不存在')        return None        # with open('猫途鹰.html','w+')as f:        #     f.write(response.text)def parse_one_page(html):    # pattern=re.compile('
     
      
       (.*?).*?cityName.*?>(.*?)'                             '.*?stb blockIcon">(.*?)(.*?)'                             '.*?hotelsCount.*?html">(.*?).*?attractionCount.*?html">(.*?)'                             '.*?eateryCount.*?html">(.*?)', re.S)    a_url = re.findall(pattern_url, html)    items =list(chain.from_iterable(zip(imgs,a_url)))    items_list=[]    for i in items:        # print(i)        items_list.append(i)    return items_listdef write_to_file(content):    '''    写入文本    :param content:    :return:    '''    with open('猫途鹰.txt', 'a',encoding='utf-8')as f:#打开文件，如果没有就创建，encoding 指定编码方式        f.write(json.dumps(content,ensure_ascii=False)+'\n')#ensure_ascii=False以指定的方式编码def main():    url='https://www.tripadvisor.cn/'    html=get_page_index(url)    # parse_one_page(html)    # print(html)    for item in parse_one_page(html):        print(item)        write_to_file(item)if __name__ == '__main__':    main()