python如何爬取知乎
2026-05-05 01:38:09 點(diǎn)擊:094
要爬取知乎,何爬乎可(?????)以使用Python的取知第三方庫requests和BeautifulSoup,以(yi)下是何爬乎詳細的步驟:
1、取知安裝所需庫
pip install requestspip install beautifulsoup4
2、何爬乎導入所需庫
import requestsfrom bs4 impor( ?ω?)t BeautifulSoup
3、取知獲取網(wǎng)頁(yè)內容
def get_html(url): headers = { 'UserAgent': 'Mozilヽ(′▽?zhuān)?ノla/5.0 (Win??dows NT 10.0; Win64; x64) AppleWeb??Kit/537.36 (K??HTML,何爬乎 like Gecko) Chrome/58.0.3029.110 Safari/537.3'} response = requests.get(url, header(O_O)s=headers) if respon??se.status_code == 200: return response.text else: return None4、解析網(wǎng)頁(yè)內容
def parse_html(html): sou??p = BeautifulSoup(htmヾ(′▽?zhuān)??l,取知 'lxml') items = soup.find_all('div', class_='??Listitem') for item in items: titl???e = ite??m.find('h2').get_text() link = item.find('??a')??['href'] content = ite?m.find('div',(′▽?zhuān)? class_='RichContentinner').get_text().strip() print(title, link, content)5、主函數
def main(): url = 'https://www.zhihu.com/explore' html = get_html(url) if html: parse_html(html) else: prin??t('獲取網(wǎng)頁(yè)失(???)敗')if __name__ == '__mai??n__': main()這個(gè)程序會(huì )爬取知乎首頁(yè)的(de)何爬乎文(wen)章標題、鏈接和內容,取(′▽?zhuān)?知你可以根據需要修改代碼以爬取其他頁(yè)面或提取更多信息。何爬乎
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