{"id":956855,"date":"2024-12-27T02:46:06","date_gmt":"2024-12-26T18:46:06","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/956855.html"},"modified":"2024-12-27T02:46:08","modified_gmt":"2024-12-26T18:46:08","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8python%e6%89%ab%e6%8f%8f%e7%bd%91%e7%ab%99","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/956855.html","title":{"rendered":"\u5982\u4f55\u4f7f\u7528python\u626b\u63cf\u7f51\u7ad9"},"content":{"rendered":"

\"\u5982\u4f55\u4f7f\u7528python\u626b\u63cf\u7f51\u7ad9\"<\/p>\n

\u5f00\u5934\u6bb5\u843d:
\u4f7f\u7528Python\u626b\u63cf\u7f51\u7ad9\u53ef\u4ee5\u901a\u8fc7\u5e93requests\u3001BeautifulSoup\u3001Scrapy\u7b49\u5b9e\u73b0\u3001\u8fd9\u4e9b\u5de5\u5177\u53ef\u4ee5\u5e2e\u52a9\u60a8\u5feb\u901f\u83b7\u53d6\u548c\u5206\u6790\u7f51\u7ad9\u6570\u636e\u3001\u5b9e\u73b0\u81ea\u52a8\u5316\u7684\u6570\u636e\u63d0\u53d6\u548c\u7f51\u7ad9\u4fe1\u606f\u6536\u96c6\u3002<\/strong>\u5728\u8fd9\u4e9b\u5e93\u4e2d\uff0crequests\u5e93\u7528\u4e8e\u53d1\u9001HTTP\u8bf7\u6c42\u548c\u83b7\u53d6\u7f51\u9875\u5185\u5bb9\uff0c\u800cBeautifulSoup\u5219\u7528\u4e8e\u89e3\u6790HTML\u6587\u6863\u5e76\u63d0\u53d6\u6570\u636e\u3002Scrapy\u662f\u4e00\u4e2a\u66f4\u4e3a\u9ad8\u7ea7\u7684\u722c\u866b\u6846\u67b6\uff0c\u9002\u7528\u4e8e\u9700\u8981\u5904\u7406\u590d\u6742\u7f51\u7ad9\u7ed3\u6784\u7684\u60c5\u51b5\u3002\u4f7f\u7528Python\u8fdb\u884c\u7f51\u7ad9\u626b\u63cf\u65f6\uff0c\u9700\u8981\u6ce8\u610f\u9075\u5faa\u7f51\u7ad9\u7684robots.txt\u6587\u4ef6\u548c\u76f8\u5173\u6cd5\u5f8b\u6cd5\u89c4\uff0c\u786e\u4fdd\u60a8\u7684\u884c\u4e3a\u662f\u5408\u6cd5\u548c\u5408\u89c4\u7684\u3002\u6b64\u5916\uff0c\u60a8\u53ef\u4ee5\u901a\u8fc7\u7ed3\u5408\u6b63\u5219\u8868\u8fbe\u5f0f\u548c\u5176\u4ed6\u6570\u636e\u5904\u7406\u5de5\u5177\uff0c\u63d0\u9ad8\u6570\u636e\u63d0\u53d6\u7684\u7cbe\u5ea6\u548c\u6548\u7387\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528\u8fd9\u4e9b\u5de5\u5177\u6765\u626b\u63cf\u7f51\u7ad9\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u4f7f\u7528REQUESTS\u5e93\u53d1\u9001HTTP\u8bf7\u6c42<\/p>\n<\/p>\n

Requests\u5e93\u662fPython\u4e2d\u6700\u53d7\u6b22\u8fce\u7684HTTP\u5e93\u4e4b\u4e00\uff0c\u5b83\u5141\u8bb8\u60a8\u8f7b\u677e\u53d1\u9001HTTP\u8bf7\u6c42\u5e76\u83b7\u53d6\u54cd\u5e94\u3002\u901a\u8fc7Requests\u5e93\uff0c\u60a8\u53ef\u4ee5\u83b7\u53d6\u7f51\u9875\u7684HTML\u5185\u5bb9\uff0c\u4ee5\u4fbf\u540e\u7eed\u7684\u89e3\u6790\u548c\u6570\u636e\u63d0\u53d6\u3002<\/p>\n<\/p>\n

    \n
  1. \u5b89\u88c5\u548c\u5bfc\u5165Requests\u5e93<\/li>\n<\/ol>\n

    \u5728\u4f7f\u7528Requests\u5e93\u4e4b\u524d\uff0c\u60a8\u9700\u8981\u786e\u4fdd\u5df2\u5b89\u88c5\u8be5\u5e93\u3002\u60a8\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88c5Requests\uff1a<\/p>\n<\/p>\n

    pip install requests<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u60a8\u53ef\u4ee5\u5728Python\u811a\u672c\u4e2d\u5bfc\u5165Requests\u5e93\uff1a<\/p>\n<\/p>\n
    import requests<\/p>\n
    <\/code><\/pre>\n<\/p>\n
      \n
    1. \u53d1\u9001HTTP\u8bf7\u6c42\u5e76\u83b7\u53d6\u7f51\u9875\u5185\u5bb9<\/li>\n<\/ol>\n
      \u4f7f\u7528Requests\u5e93\u53d1\u9001HTTP\u8bf7\u6c42\u975e\u5e38\u7b80\u5355\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u57fa\u672c\u793a\u4f8b\uff0c\u6f14\u793a\u5982\u4f55\u83b7\u53d6\u7f51\u9875\u7684HTML\u5185\u5bb9\uff1a<\/p>\n<\/p>\n
      url = 'https:\/\/www.example.com'<\/p>\n
      response = requests.get(url)<\/p>\n
      html_content = response.text<\/p>\n
      <\/code><\/pre>\n<\/p>\n
      \u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u5b9a\u4e49\u4e86\u76ee\u6807\u7f51\u5740\uff0c\u7136\u540e\u4f7f\u7528requests.get()<\/code>\u65b9\u6cd5\u53d1\u9001GET\u8bf7\u6c42\u3002\u54cd\u5e94\u5bf9\u8c61\u7684text<\/code>\u5c5e\u6027\u5305\u542b\u4e86\u7f51\u9875\u7684HTML\u5185\u5bb9\u3002<\/p>\n<\/p>\n
      \u4e8c\u3001\u4f7f\u7528BEAUTIFULSOUP\u89e3\u6790HTML\u6587\u6863<\/p>\n<\/p>\n
      BeautifulSoup\u662f\u4e00\u4e2a\u7528\u4e8e\u89e3\u6790HTML\u548cXML\u6587\u6863\u7684Python\u5e93\u3002\u5b83\u63d0\u4f9b\u4e86\u7b80\u5355\u7684API\u6765\u63d0\u53d6\u7f51\u9875\u4e2d\u7684\u6570\u636e\u3002<\/p>\n<\/p>\n
        \n
      1. \u5b89\u88c5\u548c\u5bfc\u5165BeautifulSoup\u5e93<\/li>\n<\/ol>\n
        \u5728\u4f7f\u7528BeautifulSoup\u4e4b\u524d\uff0c\u60a8\u9700\u8981\u5b89\u88c5\u8be5\u5e93\u3002\u60a8\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u8fdb\u884c\u5b89\u88c5\uff1a<\/p>\n<\/p>\n
        pip install beautifulsoup4<\/p>\n
        <\/code><\/pre>\n<\/p>\n
        \u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u60a8\u53ef\u4ee5\u5728Python\u811a\u672c\u4e2d\u5bfc\u5165BeautifulSoup\uff1a<\/p>\n<\/p>\n
        from bs4 import BeautifulSoup<\/p>\n
        <\/code><\/pre>\n<\/p>\n
          \n
        1. \u89e3\u6790HTML\u6587\u6863\u5e76\u63d0\u53d6\u6570\u636e<\/li>\n<\/ol>\n
          \u4ee5\u4e0b\u793a\u4f8b\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528BeautifulSoup\u89e3\u6790HTML\u6587\u6863\u5e76\u63d0\u53d6\u7279\u5b9a\u5143\u7d20\u7684\u6570\u636e\uff1a<\/p>\n<\/p>\n
          soup = BeautifulSoup(html_content, 'html.parser')<\/p>\n
          title = soup.title.string<\/p>\n
          all_links = soup.find_all('a')<\/p>\n
          for link in all_links:<\/p>\n
              print(link.get('href'))<\/p>\n
          <\/code><\/pre>\n<\/p>\n
          \u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u4f7f\u7528BeautifulSoup\u89e3\u6790HTML\u5185\u5bb9\uff0c\u7136\u540e\u63d0\u53d6\u7f51\u9875\u7684\u6807\u9898\u548c\u6240\u6709\u94fe\u63a5\u3002soup.title.string<\/code>\u7528\u4e8e\u83b7\u53d6\u7f51\u9875\u6807\u9898\uff0c\u800csoup.find_all('a')<\/code>\u8fd4\u56de\u6240\u6709<a><\/code>\u6807\u7b7e\u7684\u5217\u8868\u3002\u901a\u8fc7\u8fed\u4ee3\u8fd9\u4e9b\u6807\u7b7e\uff0c\u6211\u4eec\u53ef\u4ee5\u63d0\u53d6\u6bcf\u4e2a\u94fe\u63a5\u7684href<\/code>\u5c5e\u6027\u3002<\/p>\n<\/p>\n
          \u4e09\u3001\u4f7f\u7528SCRAPY\u8fdb\u884c\u9ad8\u7ea7\u7f51\u7ad9\u722c\u53d6<\/p>\n<\/p>\n
          Scrapy\u662f\u4e00\u4e2a\u5f3a\u5927\u7684Python\u722c\u866b\u6846\u67b6\uff0c\u9002\u7528\u4e8e\u9700\u8981\u5904\u7406\u590d\u6742\u7f51\u7ad9\u7ed3\u6784\u7684\u60c5\u51b5\u3002\u5b83\u63d0\u4f9b\u4e86\u8bb8\u591a\u5185\u7f6e\u529f\u80fd\u6765\u7b80\u5316\u6570\u636e\u63d0\u53d6\u548c\u5b58\u50a8\u8fc7\u7a0b\u3002<\/p>\n<\/p>\n
            \n
          1. \u5b89\u88c5Scrapy<\/li>\n<\/ol>\n
            \u5728\u4f7f\u7528Scrapy\u4e4b\u524d\uff0c\u60a8\u9700\u8981\u5b89\u88c5\u8be5\u6846\u67b6\u3002\u60a8\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88c5Scrapy\uff1a<\/p>\n<\/p>\n
            pip install scrapy<\/p>\n
            <\/code><\/pre>\n<\/p>\n
              \n
            1. \u521b\u5efaScrapy\u9879\u76ee<\/li>\n<\/ol>\n
              Scrapy\u4f7f\u7528\u9879\u76ee\u7ed3\u6784\u6765\u7ec4\u7ec7\u722c\u866b\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u521b\u5efa\u4e00\u4e2a\u65b0\u7684Scrapy\u9879\u76ee\uff1a<\/p>\n<\/p>\n
              scrapy startproject myproject<\/p>\n
              <\/code><\/pre>\n<\/p>\n
              \u8fd9\u5c06\u521b\u5efa\u4e00\u4e2a\u540d\u4e3amyproject<\/code>\u7684Scrapy\u9879\u76ee\uff0c\u5176\u4e2d\u5305\u542b\u57fa\u672c\u7684\u722c\u866b\u7ed3\u6784\u3002<\/p>\n<\/p>\n
                \n
              1. \u7f16\u5199Scrapy\u722c\u866b<\/li>\n<\/ol>\n
                \u5728Scrapy\u9879\u76ee\u4e2d\uff0c\u60a8\u53ef\u4ee5\u5b9a\u4e49\u722c\u866b\u6765\u6293\u53d6\u7279\u5b9a\u7f51\u7ad9\u7684\u6570\u636e\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684Scrapy\u722c\u866b\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
                import scrapy<\/p>\n
                class ExampleSpider(scrapy.Spider):<\/p>\n
                    name = 'example'<\/p>\n
                    start_urls = ['https:\/\/www.example.com']<\/p>\n
                    def parse(self, response):<\/p>\n
                        for title in response.css('title::text').getall():<\/p>\n
                            yield {'title': title}<\/p>\n
                        for href in response.css('a::attr(href)').getall():<\/p>\n
                            yield {'link': href}<\/p>\n
                <\/code><\/pre>\n<\/p>\n
                \u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a\u540d\u4e3aExampleSpider<\/code>\u7684\u722c\u866b\u3002start_urls<\/code>\u5c5e\u6027\u5305\u542b\u4e86\u722c\u866b\u7684\u8d77\u59cbURL\u5217\u8868\u3002\u5728parse<\/code>\u65b9\u6cd5\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528CSS\u9009\u62e9\u5668\u63d0\u53d6\u7f51\u9875\u6807\u9898\u548c\u6240\u6709\u94fe\u63a5\uff0c\u5e76\u5c06\u5176\u5b58\u50a8\u4e3a\u5b57\u5178\u3002<\/p>\n<\/p>\n
                \u56db\u3001\u9075\u5faa\u7f51\u7ad9\u7684ROBOTS.TXT\u6587\u4ef6<\/p>\n<\/p>\n
                \u5728\u8fdb\u884c\u7f51\u7ad9\u626b\u63cf\u4e4b\u524d\uff0c\u60a8\u9700\u8981\u68c0\u67e5\u76ee\u6807\u7f51\u7ad9\u7684robots.txt<\/code>\u6587\u4ef6\u3002\u6b64\u6587\u4ef6\u7528\u4e8e\u5b9a\u4e49\u7f51\u7ad9\u5141\u8bb8\u548c\u7981\u6b62\u7684\u722c\u866b\u884c\u4e3a\u3002\u9075\u5faarobots.txt<\/code>\u6587\u4ef6\u7684\u8981\u6c42\u662f\u826f\u597d\u7684\u722c\u866b\u5b9e\u8df5\uff0c\u786e\u4fdd\u60a8\u7684\u884c\u4e3a\u7b26\u5408\u7f51\u7ad9\u6240\u6709\u8005\u7684\u671f\u671b\u3002<\/p>\n<\/p>\n
                  \n
                1. \u8bbf\u95eerobots.txt\u6587\u4ef6<\/li>\n<\/ol>\n
                  \u60a8\u53ef\u4ee5\u901a\u8fc7\u5728\u76ee\u6807\u7f51\u7ad9\u7684\u6839\u76ee\u5f55\u4e0b\u8bbf\u95eerobots.txt<\/code>\u6587\u4ef6\u6765\u67e5\u770b\u5176\u5185\u5bb9\u3002\u4f8b\u5982\uff0c\u8bbf\u95eehttps:\/\/www.example.com\/robots.txt<\/code>\u3002<\/p>\n<\/p>\n
                    \n
                  1. \u89e3\u6790robots.txt\u6587\u4ef6<\/li>\n<\/ol>\n
                    \u60a8\u53ef\u4ee5\u4f7f\u7528Python\u89e3\u6790robots.txt<\/code>\u6587\u4ef6\u5e76\u786e\u5b9a\u5141\u8bb8\u7684\u722c\u866b\u8def\u5f84\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
                    import requests<\/p>\n
                    from urllib.robotparser import RobotFileParser<\/p>\n
                    url = 'https:\/\/www.example.com\/robots.txt'<\/p>\n
                    response = requests.get(url)<\/p>\n
                    robots_txt = response.text<\/p>\n
                    rp = RobotFileParser()<\/p>\n
                    rp.parse(robots_txt.splitlines())<\/p>\n
                    if rp.can_fetch('*', 'https:\/\/www.example.com\/somepage'):<\/p>\n
                        print("Allowed to crawl")<\/p>\n
                    else:<\/p>\n
                        print("Not allowed to crawl")<\/p>\n
                    <\/code><\/pre>\n<\/p>\n
                    \u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u83b7\u53d6robots.txt<\/code>\u6587\u4ef6\u7684\u5185\u5bb9\uff0c\u7136\u540e\u4f7f\u7528RobotFileParser<\/code>\u89e3\u6790\u6587\u4ef6\u3002can_fetch<\/code>\u65b9\u6cd5\u7528\u4e8e\u68c0\u67e5\u7279\u5b9aURL\u662f\u5426\u5141\u8bb8\u88ab\u722c\u53d6\u3002<\/p>\n<\/p>\n
                    \u4e94\u3001\u5904\u7406\u52a8\u6001\u7f51\u7ad9\u548c\u5f02\u6b65\u8bf7\u6c42<\/p>\n<\/p>\n
                    \u67d0\u4e9b\u7f51\u7ad9\u4f7f\u7528JavaScript\u52a8\u6001\u52a0\u8f7d\u5185\u5bb9\uff0c\u4f20\u7edf\u7684HTML\u89e3\u6790\u65b9\u6cd5\u53ef\u80fd\u65e0\u6cd5\u83b7\u53d6\u5b8c\u6574\u7684\u6570\u636e\u3002\u5bf9\u4e8e\u8fd9\u79cd\u60c5\u51b5\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528Selenium\u6216\u8bf7\u6c42\u5e93\u7684\u5f02\u6b65\u529f\u80fd\u6765\u5904\u7406\u52a8\u6001\u52a0\u8f7d\u7684\u7f51\u7ad9\u3002<\/p>\n<\/p>\n
                      \n
                    1. \u4f7f\u7528Selenium\u5904\u7406\u52a8\u6001\u7f51\u7ad9<\/li>\n<\/ol>\n
                      Selenium\u662f\u4e00\u4e2a\u81ea\u52a8\u5316\u6d4b\u8bd5\u5de5\u5177\uff0c\u53ef\u4ee5\u7528\u4e8e\u6a21\u62df\u6d4f\u89c8\u5668\u884c\u4e3a\uff0c\u4ece\u800c\u83b7\u53d6\u52a8\u6001\u52a0\u8f7d\u7684\u7f51\u9875\u5185\u5bb9\u3002<\/p>\n<\/p>\n
                      \u5b89\u88c5Selenium\u548c\u6d4f\u89c8\u5668\u9a71\u52a8\uff1a<\/p>\n<\/p>\n
                      pip install selenium<\/p>\n
                      <\/code><\/pre>\n<\/p>\n
                      \u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528Selenium\u83b7\u53d6\u52a8\u6001\u7f51\u9875\u5185\u5bb9\u7684\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
                      from selenium import webdriver<\/p>\n
                      driver = webdriver.Chrome()<\/p>\n
                      driver.get('https:\/\/www.example.com')<\/p>\n
                      html_content = driver.page_source<\/p>\n
                      driver.quit()<\/p>\n
                      <\/code><\/pre>\n<\/p>\n
                      \u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528Selenium\u6253\u5f00\u4e00\u4e2aChrome\u6d4f\u89c8\u5668\u5b9e\u4f8b\uff0c\u5e76\u83b7\u53d6\u52a8\u6001\u52a0\u8f7d\u7684\u7f51\u9875\u5185\u5bb9\u3002<\/p>\n<\/p>\n
                        \n
                      1. \u4f7f\u7528\u5f02\u6b65\u8bf7\u6c42\u63d0\u9ad8\u6548\u7387<\/li>\n<\/ol>\n
                        \u5bf9\u4e8e\u9700\u8981\u5904\u7406\u5927\u91cf\u8bf7\u6c42\u7684\u60c5\u51b5\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u5f02\u6b65\u8bf7\u6c42\u6765\u63d0\u9ad8\u6548\u7387\u3002AI<\/a>ohttp\u662f\u4e00\u4e2a\u5f02\u6b65HTTP\u5ba2\u6237\u7aef\u5e93\uff0c\u53ef\u4ee5\u4e0easyncio\u7ed3\u5408\u4f7f\u7528\u3002<\/p>\n<\/p>\n
                        \u5b89\u88c5aiohttp\uff1a<\/p>\n<\/p>\n
                        pip install aiohttp<\/p>\n
                        <\/code><\/pre>\n<\/p>\n
                        \u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528aiohttp\u53d1\u9001\u5f02\u6b65\u8bf7\u6c42\u7684\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
                        import aiohttp<\/p>\n
                        import asyncio<\/p>\n
                        async def fetch(url):<\/p>\n
                            async with aiohttp.ClientSession() as session:<\/p>\n
                                async with session.get(url) as response:<\/p>\n
                                    return await response.text()<\/p>\n
                        async def main():<\/p>\n
                            urls = ['https:\/\/www.example.com\/page1', 'https:\/\/www.example.com\/page2']<\/p>\n
                            tasks = [fetch(url) for url in urls]<\/p>\n
                            results = await asyncio.gather(*tasks)<\/p>\n
                        loop = asyncio.get_event_loop()<\/p>\n
                        loop.run_until_complete(main())<\/p>\n
                        <\/code><\/pre>\n<\/p>\n
                        \u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a\u5f02\u6b65\u51fd\u6570fetch<\/code>\u6765\u53d1\u9001HTTP\u8bf7\u6c42\uff0c\u5e76\u4f7f\u7528asyncio.gather<\/code>\u540c\u65f6\u5904\u7406\u591a\u4e2a\u8bf7\u6c42\u3002<\/p>\n<\/p>\n
                        \u516d\u3001\u6570\u636e\u5b58\u50a8\u4e0e\u5206\u6790<\/p>\n<\/p>\n
                        \u5728\u6210\u529f\u63d0\u53d6\u7f51\u7ad9\u6570\u636e\u540e\uff0c\u60a8\u9700\u8981\u8003\u8651\u5982\u4f55\u5b58\u50a8\u548c\u5206\u6790\u8fd9\u4e9b\u6570\u636e\u3002\u53ef\u4ee5\u9009\u62e9\u5c06\u6570\u636e\u5b58\u50a8\u5728CSV\u6587\u4ef6\u3001\u6570\u636e\u5e93\u6216\u5176\u4ed6\u683c\u5f0f\u4e2d\uff0c\u4ee5\u4fbf\u540e\u7eed\u7684\u5206\u6790\u548c\u5904\u7406\u3002<\/p>\n<\/p>\n
                          \n
                        1. \u5c06\u6570\u636e\u5b58\u50a8\u4e3aCSV\u6587\u4ef6<\/li>\n<\/ol>\n
                          \u5c06\u6570\u636e\u5b58\u50a8\u4e3aCSV\u6587\u4ef6\u662f\u4e00\u4e2a\u7b80\u5355\u4e14\u901a\u7528\u7684\u9009\u62e9\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528Python\u5185\u7f6e\u7684csv\u6a21\u5757\u6765\u5b9e\u73b0\u8fd9\u4e00\u70b9\u3002<\/p>\n<\/p>\n
                          \u4ee5\u4e0b\u662f\u4e00\u4e2a\u5c06\u6570\u636e\u5b58\u50a8\u4e3aCSV\u6587\u4ef6\u7684\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
                          import csv<\/p>\n
                          data = [{'title': 'Example Title', 'link': 'https:\/\/www.example.com'}]<\/p>\n
                          with open('output.csv', mode='w', newline='') as file:<\/p>\n
                              writer = csv.DictWriter(file, fieldnames=['title', 'link'])<\/p>\n
                              writer.writeheader()<\/p>\n
                              for row in data:<\/p>\n
                                  writer.writerow(row)<\/p>\n
                          <\/code><\/pre>\n<\/p>\n
                            \n
                          1. \u4f7f\u7528\u6570\u636e\u5e93\u5b58\u50a8\u6570\u636e<\/li>\n<\/ol>\n
                            \u5bf9\u4e8e\u66f4\u590d\u6742\u7684\u6570\u636e\u5b58\u50a8\u9700\u6c42\uff0c\u60a8\u53ef\u4ee5\u8003\u8651\u4f7f\u7528\u5173\u7cfb\u578b\u6570\u636e\u5e93\uff08\u5982MySQL\u3001PostgreSQL\uff09\u6216NoSQL\u6570\u636e\u5e93\uff08\u5982MongoDB\uff09\u3002<\/p>\n<\/p>\n
                            \u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528SQLite\u6570\u636e\u5e93\u5b58\u50a8\u6570\u636e\u7684\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
                            import sqlite3<\/p>\n
                            conn = sqlite3.connect('example.db')<\/p>\n
                            c = conn.cursor()<\/p>\n
                            c.execute('''CREATE TABLE IF NOT EXISTS data<\/p>\n
                                         (title TEXT, link TEXT)''')<\/p>\n
                            data = [('Example Title', 'https:\/\/www.example.com')]<\/p>\n
                            c.executemany('INSERT INTO data VALUES (?,?)', data)<\/p>\n
                            conn.commit()<\/p>\n
                            conn.close()<\/p>\n
                            <\/code><\/pre>\n<\/p>\n
                            \u4e03\u3001\u9075\u5faa\u6cd5\u5f8b\u6cd5\u89c4\u548c\u9053\u5fb7\u89c4\u8303<\/p>\n<\/p>\n
                            \u5728\u4f7f\u7528Python\u626b\u63cf\u7f51\u7ad9\u65f6\uff0c\u52a1\u5fc5\u9075\u5faa\u76f8\u5173\u6cd5\u5f8b\u6cd5\u89c4\u548c\u9053\u5fb7\u89c4\u8303\u3002\u672a\u7ecf\u6388\u6743\u7684\u722c\u866b\u884c\u4e3a\u53ef\u80fd\u8fdd\u53cd\u7f51\u7ad9\u7684\u4f7f\u7528\u6761\u6b3e\uff0c\u5e76\u5bf9\u7f51\u7ad9\u9020\u6210\u8d1f\u9762\u5f71\u54cd\u3002<\/p>\n<\/p>\n
                              \n
                            1. \u5c0a\u91cd\u7f51\u7ad9\u7684\u4f7f\u7528\u6761\u6b3e<\/li>\n<\/ol>\n
                              \u5728\u5f00\u59cb\u626b\u63cf\u7f51\u7ad9\u4e4b\u524d\uff0c\u8bf7\u4ed4\u7ec6\u9605\u8bfb\u76ee\u6807\u7f51\u7ad9\u7684\u4f7f\u7528\u6761\u6b3e\u548c\u9690\u79c1\u653f\u7b56\uff0c\u786e\u4fdd\u60a8\u7684\u884c\u4e3a\u7b26\u5408\u7f51\u7ad9\u7684\u8981\u6c42\u3002<\/p>\n<\/p>\n
                                \n
                              1. \u63a7\u5236\u8bf7\u6c42\u9891\u7387<\/li>\n<\/ol>\n
                                \u4e3a\u4e86\u907f\u514d\u5bf9\u76ee\u6807\u7f51\u7ad9\u9020\u6210\u8fc7\u5927\u7684\u8d1f\u8f7d\uff0c\u8bf7\u63a7\u5236\u60a8\u7684\u8bf7\u6c42\u9891\u7387\u3002\u60a8\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u8bf7\u6c42\u95f4\u9694\u6216\u4f7f\u7528\u9650\u901f\u5de5\u5177\u6765\u5b9e\u73b0\u8fd9\u4e00\u70b9\u3002<\/p>\n<\/p>\n
                                  \n
                                1. \u63d0\u4f9b\u7528\u6237\u4ee3\u7406\u4fe1\u606f<\/li>\n<\/ol>\n
                                  \u5728\u53d1\u9001HTTP\u8bf7\u6c42\u65f6\uff0c\u60a8\u53ef\u4ee5\u63d0\u4f9b\u7528\u6237\u4ee3\u7406\u4fe1\u606f\uff0c\u4ee5\u8868\u660e\u60a8\u7684\u8eab\u4efd\u3002\u8fd9\u6709\u52a9\u4e8e\u63d0\u9ad8\u8bf7\u6c42\u7684\u900f\u660e\u5ea6\uff0c\u5e76\u51cf\u5c11\u88ab\u963b\u6b62\u7684\u98ce\u9669\u3002<\/p>\n<\/p>\n
                                  \u516b\u3001\u603b\u7ed3<\/p>\n<\/p>\n
                                  \u4f7f\u7528Python\u626b\u63cf\u7f51\u7ad9\u662f\u4e00\u9879\u5f3a\u5927\u4e14\u7075\u6d3b\u7684\u6280\u672f\uff0c\u53ef\u4ee5\u5e2e\u52a9\u60a8\u81ea\u52a8\u5316\u6570\u636e\u63d0\u53d6\u548c\u4fe1\u606f\u6536\u96c6\u3002\u901a\u8fc7\u5b66\u4e60\u548c\u4f7f\u7528Requests\u3001BeautifulSoup\u3001Scrapy\u7b49\u5de5\u5177\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u5730\u83b7\u53d6\u548c\u89e3\u6790\u7f51\u9875\u6570\u636e\u3002\u5728\u5b9e\u65bd\u7f51\u7ad9\u626b\u63cf\u65f6\uff0c\u8bf7\u52a1\u5fc5\u9075\u5faa\u6cd5\u5f8b\u6cd5\u89c4\u548c\u9053\u5fb7\u89c4\u8303\uff0c\u786e\u4fdd\u60a8\u7684\u884c\u4e3a\u5408\u6cd5\u5408\u89c4\u3002\u5e0c\u671b\u901a\u8fc7\u672c\u7bc7\u6587\u7ae0\uff0c\u60a8\u80fd\u591f\u638c\u63e1Python\u7f51\u7ad9\u626b\u63cf\u7684\u57fa\u672c\u6280\u5de7\uff0c\u5e76\u5728\u5b9e\u8df5\u4e2d\u4e0d\u65ad\u63d0\u5347\u81ea\u5df1\u7684\u6280\u80fd\u3002<\/p>\n<\/p>\n
                                  \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
                                   \u5982\u4f55\u4f7f\u7528Python\u626b\u63cf\u7f51\u7ad9\u7684\u57fa\u672c\u6b65\u9aa4\u662f\u4ec0\u4e48\uff1f<\/strong>
                                  \u4f7f\u7528Python\u626b\u63cf\u7f51\u7ad9\u7684\u57fa\u672c\u6b65\u9aa4\u5305\u62ec\uff1a\u9996\u5148\uff0c\u5b89\u88c5\u6240\u9700\u7684\u5e93\uff0c\u4f8b\u5982Requests\u548cBeautifulSoup\u3002\u63a5\u4e0b\u6765\uff0c\u4f7f\u7528Requests\u5e93\u53d1\u9001HTTP\u8bf7\u6c42\uff0c\u4ee5\u83b7\u53d6\u76ee\u6807\u7f51\u7ad9\u7684HTML\u5185\u5bb9\u3002\u7136\u540e\uff0c\u4f7f\u7528BeautifulSoup\u89e3\u6790HTML\uff0c\u63d0\u53d6\u6709\u7528\u7684\u4fe1\u606f\u3002\u6700\u540e\uff0c\u53ef\u4ee5\u6839\u636e\u9700\u8981\u5bf9\u6570\u636e\u8fdb\u884c\u5b58\u50a8\u6216\u8fdb\u4e00\u6b65\u5206\u6790\u3002<\/p>\n
                                  \u6709\u54ea\u4e9b\u6d41\u884c\u7684Python\u5e93\u53ef\u4ee5\u7528\u4e8e\u7f51\u7ad9\u626b\u63cf\uff1f<\/strong>
                                  \u5728Python\u4e2d\uff0c\u6709\u51e0\u4e2a\u6d41\u884c\u7684\u5e93\u53ef\u4f9b\u7f51\u7ad9\u626b\u63cf\u4f7f\u7528\u3002Requests\u5e93\u7528\u4e8e\u53d1\u9001\u7f51\u7edc\u8bf7\u6c42\uff0cBeautifulSoup\u9002\u5408\u89e3\u6790HTML\u5185\u5bb9\uff0cScrapy\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u6846\u67b6\uff0c\u9002\u5408\u8fdb\u884c\u5927\u89c4\u6a21\u7684\u7f51\u9875\u6293\u53d6\u3002\u6b64\u5916\uff0cSelenium\u53ef\u4ee5\u7528\u4e8e\u5904\u7406\u9700\u8981\u6267\u884cJavaScript\u7684\u7f51\u7ad9\uff0c\u63d0\u4f9b\u4e86\u66f4\u7075\u6d3b\u7684\u6293\u53d6\u65b9\u5f0f\u3002<\/p>\n
                                  \u4f7f\u7528Python\u626b\u63cf\u7f51\u7ad9\u65f6\u9700\u8981\u6ce8\u610f\u54ea\u4e9b\u6cd5\u5f8b\u548c\u9053\u5fb7\u95ee\u9898\uff1f<\/strong>
                                  \u5728\u4f7f\u7528Python\u626b\u63cf\u7f51\u7ad9\u65f6\uff0c\u5fc5\u987b\u9075\u5faa\u6cd5\u5f8b\u548c\u9053\u5fb7\u89c4\u8303\u3002\u91cd\u8981\u7684\u662f\u8981\u9075\u5faa\u7f51\u7ad9\u7684robots.txt\u6587\u4ef6\uff0c\u4e86\u89e3\u54ea\u4e9b\u5185\u5bb9\u662f\u5141\u8bb8\u6293\u53d6\u7684\u3002\u8fc7\u4e8e\u9891\u7e41\u7684\u8bf7\u6c42\u53ef\u80fd\u4f1a\u5bfc\u81f4\u670d\u52a1\u5668\u8d1f\u62c5\u8fc7\u91cd\uff0c\u751a\u81f3\u88ab\u5c01\u7981\uff0c\u56e0\u6b64\u9002\u5f53\u63a7\u5236\u8bf7\u6c42\u9891\u7387\u4e5f\u975e\u5e38\u91cd\u8981\u3002\u6b64\u5916\uff0c\u5c0a\u91cd\u7528\u6237\u9690\u79c1\u548c\u6570\u636e\u4fdd\u62a4\u6cd5\u89c4\u662f\u81f3\u5173\u91cd\u8981\u7684\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5f00\u5934\u6bb5\u843d:\u4f7f\u7528Python\u626b\u63cf\u7f51\u7ad9\u53ef\u4ee5\u901a\u8fc7\u5e93requests\u3001BeautifulSoup\u3001Scrapy\u7b49\u5b9e\u73b0\u3001 […]","protected":false},"author":3,"featured_media":956856,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/956855"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=956855"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/956855\/revisions"}],"predecessor-version":[{"id":956859,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/956855\/revisions\/956859"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/956856"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=956855"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=956855"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=956855"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}