{"id":1482,"date":"2025-04-25T09:34:49","date_gmt":"2025-04-25T01:34:49","guid":{"rendered":"https:\/\/www.yilus5.com\/blog\/?p=1482"},"modified":"2025-04-25T14:06:29","modified_gmt":"2025-04-25T06:06:29","slug":"scrapy-vs-beautifulsoup-%e5%9c%a8%e7%bd%91%e9%a1%b5%e6%8a%93%e5%8f%96%e4%b8%ad%e7%9a%84%e5%ba%94%e7%94%a8","status":"publish","type":"post","link":"https:\/\/www.yilus5.com\/blog\/1482.html","title":{"rendered":"Scrapy vs BeautifulSoup 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class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"http:\/\/www.yilus5.com\/blog\/wp-content\/uploads\/image-2025-04-25T092733.404.jpg\" alt=\"\"\/><\/figure>\n<\/div>\n\n\n<p><strong>Scrapy\uff1a\u5f3a\u5927\u7684\u7f51\u7edc\u722c\u866b\u6846\u67b6<\/strong><\/p>\n\n\n\n<p>Scrapy\u5219\u662f\u4e00\u4e2a\u529f\u80fd\u66f4\u4e3a\u5168\u9762\u7684Python\u722c\u866b\u6846\u67b6\u3002\u5b83\u63d0\u4f9b\u4e86\u4e00\u6574\u5957\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u5305\u62ec\u8bf7\u6c42\u8c03\u5ea6\u3001\u5e76\u53d1\u5904\u7406\u3001\u6570\u636e\u63d0\u53d6\u3001\u6570\u636e\u5b58\u50a8\u3001\u4e2d\u95f4\u4ef6\u5904\u7406\uff08\u4f8b\u5982User-Agent\u8f6e\u6362\u3001\u4ee3\u7406IP\u8bbe\u7f6e\uff09\u7b49\u3002Scrapy\u7684\u8bbe\u8ba1\u7406\u5ff5\u662f\u201cDon\u2019t Repeat Yourself 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<strong>YiLuProxy<\/strong>\u63d0\u4f9b\u7684IP\u8d44\u6e90\u8986\u76d6\u5168\u7403\u591a\u4e2a\u5730\u533a\uff0c\u7528\u6237\u53ef\u4ee5\u9009\u62e9\u5730\u7406\u4f4d\u7f6e\u66f4\u63a5\u8fd1\u76ee\u6807\u670d\u52a1\u5668\u7684IP\uff0c\u4ece\u800c\u51cf\u5c11\u7f51\u7edc\u5ef6\u8fdf\uff0c\u63d0\u9ad8\u6293\u53d6\u901f\u5ea6\u548c\u8fde\u63a5\u7a33\u5b9a\u6027\u3002<\/li>\n\n\n\n<li><strong>\u6ee1\u8db3\u591a\u6837\u5316\u7684\u4e1a\u52a1\u9700\u6c42\uff1a<\/strong> \u65e0\u8bba\u662f\u9700\u8981\u9ad8\u533f\u540d\u6027\u7684\u4f4f\u5b85IP\uff0c\u8fd8\u662f\u9700\u8981\u9ad8\u5e26\u5bbd\u7684\u673a\u623fIP\uff0c\u4ea6\u6216\u662f\u6a21\u62df\u79fb\u52a8\u8bbe\u5907\u8bbf\u95ee\u7684\u624b\u673aIP\uff0c<strong>YiLuProxy<\/strong>\u90fd\u80fd\u63d0\u4f9b\u7075\u6d3b\u7684\u9009\u62e9\uff0c\u6ee1\u8db3\u4e0d\u540c\u573a\u666f\u4e0b\u7684\u4e1a\u52a1\u9700\u6c42\u3002<\/li>\n\n\n\n<li><strong>\u6279\u91cf\u4f7f\u7528\u4e0eAPI\u63a7\u5236\uff1a<\/strong> <strong>YiLuProxy<\/strong>\u652f\u6301\u6279\u91cf\u83b7\u53d6\u548c\u7ba1\u7406IP\u5730\u5740\uff0c\u5e76\u63d0\u4f9bAPI\u63a5\u53e3\uff0c\u65b9\u4fbf\u5f00\u53d1\u8005\u5728\u722c\u866b\u7a0b\u5e8f\u4e2d\u81ea\u52a8\u5316\u5730\u5207\u6362\u548c\u7ba1\u7406\u4ee3\u7406IP\uff0c\u5b9e\u73b0\u66f4\u667a\u80fd\u5316\u7684\u6293\u53d6\u7b56\u7565\u3002<\/li>\n\n\n\n<li><strong>\u5b89\u5168\u5408\u89c4\uff1a<\/strong> <strong>YiLuProxy<\/strong>\u6ce8\u91cd\u670d\u52a1\u7684\u5b89\u5168\u6027\u548c\u5408\u89c4\u6027\uff0c\u4fdd\u969c\u7528\u6237\u5728\u4f7f\u7528\u8fc7\u7a0b\u4e2d\u7684\u6570\u636e\u5b89\u5168\u548c\u5408\u6cd5\u6743\u76ca\u3002<\/li>\n\n\n\n<li><strong>\u6781\u901f\u90e8\u7f72\uff1a<\/strong> <strong>YiLuProxy<\/strong>\u7684\u670d\u52a1\u90e8\u7f72\u7b80\u5355\u5feb\u6377\uff0c\u7528\u6237\u53ef\u4ee5\u5feb\u901f\u96c6\u6210\u5230\u73b0\u6709\u7684\u722c\u866b\u9879\u76ee\u4e2d\uff0c\u65e0\u9700\u590d\u6742\u7684\u914d\u7f6e\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Scrapy\u4e0eYiLuProxy\u7684\u96c6\u6210\u5e94\u7528<\/h2>\n\n\n\n<p>\u5c06<strong>YiLuProxy<\/strong>\u96c6\u6210\u5230Scrapy\u9879\u76ee\u4e2d\uff0c\u901a\u5e38\u901a\u8fc7Scrapy\u7684Downloader Middleware\u6765\u5b9e\u73b0\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u57fa\u672c\u7684\u96c6\u6210\u6b65\u9aa4\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u5b89\u88c5\u4f9d\u8d56\uff1a<\/strong> \u786e\u4fdd\u4f60\u7684Scrapy\u9879\u76ee\u4e2d\u5b89\u88c5\u4e86\u5fc5\u8981\u7684\u4f9d\u8d56\u5e93\uff0c\u4f8b\u5982<code>requests<\/code>\uff08\u5982\u679c\u9700\u8981\u8fdb\u884c\u989d\u5916\u7684IP\u9a8c\u8bc1\uff09\u3002<\/li>\n\n\n\n<li><strong>\u83b7\u53d6YiLuProxy\u7684\u4ee3\u7406IP\u5217\u8868\uff1a<\/strong> \u901a\u8fc7<strong>YiLuProxy<\/strong>\u7684API\u6216\u7ba1\u7406\u540e\u53f0\u83b7\u53d6\u53ef\u7528\u7684\u6d77\u5916IP\u5730\u5740\u548c\u7aef\u53e3\u4fe1\u606f\u3002<\/li>\n\n\n\n<li><strong>\u521b\u5efa\u81ea\u5b9a\u4e49Downloader Middleware\uff1a<\/strong> \u5728Scrapy\u9879\u76ee\u7684<code>middlewares.py<\/code>\u6587\u4ef6\u4e2d\u521b\u5efa\u4e00\u4e2a\u81ea\u5b9a\u4e49\u7684Downloader Middleware\uff0c\u7528\u4e8e\u5904\u7406\u4ee3\u7406IP\u7684\u8bbe\u7f6e\u548c\u8f6e\u6362\u3002<\/li>\n<\/ol>\n\n\n\n<p>Python<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import base64\nimport random\nfrom scrapy.exceptions import NotConfigured\n\nclass YiLuProxyMiddleware:\n    def __init__(self, proxy_url):\n        self.proxy_url = proxy_url\n        # \u5728\u6b64\u5904\u53ef\u4ee5\u6dfb\u52a0\u4eceYiLuProxy API\u83b7\u53d6IP\u5217\u8868\u7684\u903b\u8f91\n        # \u8fd9\u91cc\u4e3a\u4e86\u6f14\u793a\uff0c\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u9884\u5148\u83b7\u53d6\u7684IP\u5217\u8868\n        self.proxy_list = &#91;\n            {'ip_port': 'ip1:port1', 'username': 'user1', 'password': 'password1'},\n            {'ip_port': 'ip2:port2', 'username': 'user2', 'password': 'password2'},\n            # ... \u66f4\u591aIP\n        ]\n\n    @classmethod\n    def from_crawler(cls, crawler):\n        proxy_url = crawler.settings.get('YILU_PROXY_URL')\n        if not proxy_url:\n            raise NotConfigured\n        return cls(proxy_url)\n\n    def process_request(self, request, spider):\n        if self.proxy_list:\n            proxy = random.choice(self.proxy_list)\n            request.meta&#91;'proxy'] = f\"http:\/\/{proxy&#91;'ip_port']}\"\n            # \u5982\u679cYiLuProxy\u9700\u8981\u8ba4\u8bc1\uff0c\u5219\u6dfb\u52a0Authorization\u5934\u90e8\n            if proxy.get('username') and proxy.get('password'):\n                auth = base64.b64encode(f\"{proxy&#91;'username']}:{proxy&#91;'password']}\".encode()).decode()\n                request.headers&#91;'Proxy-Authorization'] = f'Basic {auth}'\n\n    def process_response(self, request, response, spider):\n        # \u53ef\u4ee5\u6839\u636e\u54cd\u5e94\u72b6\u6001\u7801\u5224\u65ad\u4ee3\u7406IP\u662f\u5426\u53ef\u7528\uff0c\u5982\u679c\u4e0d\u53ef\u7528\u5219\u66f4\u6362IP\n        if response.status &gt;= 400:\n            if self.proxy_list:\n                # \u4ece\u5217\u8868\u4e2d\u79fb\u9664\u4e0d\u53ef\u7528\u7684\u4ee3\u7406IP\n                if 'proxy' in request.meta:\n                    bad_proxy = request.meta&#91;'proxy'].split('\/\/')&#91;1]\n                    self.proxy_list = &#91;p for p in self.proxy_list if p&#91;'ip_port'] not in bad_proxy]\n                # \u91cd\u65b0\u53d1\u8d77\u8bf7\u6c42\uff0c\u4f7f\u7528\u65b0\u7684\u4ee3\u7406IP\n                new_request = request.copy()\n                return new_request\n        return response\n\n    def process_exception(self, request, exception, spider):\n        # \u5904\u7406\u8bf7\u6c42\u5f02\u5e38\uff0c\u4f8b\u5982\u8fde\u63a5\u8d85\u65f6\uff0c\u53ef\u4ee5\u5c1d\u8bd5\u66f4\u6362\u4ee3\u7406IP\u91cd\u65b0\u8bf7\u6c42\n        if self.proxy_list and 'proxy' in request.meta:\n            bad_proxy = request.meta&#91;'proxy'].split('\/\/')&#91;1]\n            self.proxy_list = &#91;p for p in self.proxy_list if p&#91;'ip_port'] not in bad_proxy]\n            new_request = request.copy()\n            return new_request\n<\/code><\/pre>\n\n\n\n<ol start=\"4\" class=\"wp-block-list\">\n<li><strong>\u5728Scrapy\u8bbe\u7f6e\u4e2d\u542f\u7528Middleware\uff1a<\/strong> \u5728Scrapy\u9879\u76ee\u7684<code>settings.py<\/code>\u6587\u4ef6\u4e2d\uff0c\u542f\u7528\u4f60\u521b\u5efa\u7684Middleware\uff0c\u5e76\u914d\u7f6e<strong>YiLuProxy<\/strong>\u7684API\u5730\u5740\u6216\u5176\u4ed6\u76f8\u5173\u53c2\u6570\u3002<\/li>\n<\/ol>\n\n\n\n<p>Python<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># settings.py\nDOWNLOADER_MIDDLEWARES = {\n    'your_project_name.middlewares.YiLuProxyMiddleware': 750,\n    # \u5176\u4ed6Middleware...\n}\n\nYILU_PROXY_URL = 'YOUR_YILU_PROXY_API_URL' # \u66ff\u6362\u4e3a\u4f60\u7684YiLuProxy API\u5730\u5740\n<\/code><\/pre>\n\n\n\n<p>\u901a\u8fc7\u4ee5\u4e0a\u6b65\u9aa4\uff0cScrapy\u722c\u866b\u5728\u53d1\u8d77\u7f51\u7edc\u8bf7\u6c42\u65f6\uff0c\u5c31\u4f1a\u901a\u8fc7<strong>YiLuProxy<\/strong>\u63d0\u4f9b\u7684\u6d77\u5916IP\u5730\u5740\u8fdb\u884c\u8bbf\u95ee\uff0c\u4ece\u800c\u6709\u6548\u5730\u89c4\u907fIP\u5c01\u9501\uff0c\u63d0\u9ad8\u6293\u53d6\u7684\u6210\u529f\u7387\u548c\u6548\u7387\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">BeautifulSoup\u4e0eYiLuProxy\u7684\u7ed3\u5408\u5e94\u7528<\/h2>\n\n\n\n<p>\u867d\u7136BeautifulSoup\u901a\u5e38\u4e0eRequests\u5e93\u4e00\u8d77\u4f7f\u7528\uff0c\u4f46\u540c\u6837\u53ef\u4ee5\u7ed3\u5408<strong>YiLuProxy<\/strong>\u6765\u53d1\u9001HTTP\u8bf7\u6c42\u3002<\/p>\n\n\n\n<p>Python<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import requests\nfrom bs4 import BeautifulSoup\nimport random\n\n# \u5047\u8bbe\u4f60\u5df2\u7ecf\u4eceYiLuProxy\u83b7\u53d6\u4e86IP\u5217\u8868\nproxy_list = &#91;\n    {'http': 'http:\/\/user1:password1@ip1:port1'},\n    {'http': 'http:\/\/user2:password2@ip2:port2'},\n    # ... \u66f4\u591a\u4ee3\u7406\n]\n\ndef fetch_url(url):\n    try:\n        proxy = random.choice(proxy_list)\n        response = requests.get(url, proxies=proxy, timeout=10)\n        response.raise_for_status()  # \u5982\u679c\u54cd\u5e94\u72b6\u6001\u7801\u4e0d\u662f 200\uff0c\u5219\u5f15\u53d1 HTTPError \u5f02\u5e38\n        return response.text\n    except requests.exceptions.RequestException as e:\n        print(f\"\u8bf7\u6c42\u5931\u8d25: {e}\")\n        return None\n\ndef parse_html(html_content):\n    if html_content:\n        soup = BeautifulSoup(html_content, 'html.parser')\n        # \u5728\u8fd9\u91cc\u8fdb\u884c\u6570\u636e\u63d0\u53d6\u64cd\u4f5c\n        title = soup.title.string if soup.title else \"No Title\"\n        print(f\"\u7f51\u9875\u6807\u9898: {title}\")\n        # ... \u5176\u4ed6\u6570\u636e\u63d0\u53d6\u903b\u8f91\n\nif __name__ == \"__main__\":\n    target_url = \"https:\/\/www.example.com\"\n    html = fetch_url(target_url)\n    parse_html(html)\n<\/code><\/pre>\n\n\n\n<p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528Requests\u5e93\u53d1\u9001HTTP\u8bf7\u6c42\uff0c\u5e76\u901a\u8fc7<code>proxies<\/code>\u53c2\u6570\u6307\u5b9a\u4ece<strong>YiLuProxy<\/strong>\u83b7\u53d6\u7684\u4ee3\u7406IP\u3002\u901a\u8fc7\u968f\u673a\u9009\u62e9\u4ee3\u7406IP\uff0c\u6211\u4eec\u53ef\u4ee5\u5206\u6563\u8bf7\u6c42\u6765\u6e90\uff0c\u964d\u4f4e\u88ab\u5c01\u7981\u7684\u98ce\u9669\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u6027\u80fd\u5bf9\u6bd4\u4e0e\u9009\u62e9\u5efa\u8bae<\/h2>\n\n\n\n<p>\u5728\u6027\u80fd\u65b9\u9762\uff0cScrapy\u901a\u5e38\u4f18\u4e8e\u5355\u72ec\u4f7f\u7528Requests\u548cBeautifulSoup\u7684\u7ec4\u5408\uff0c\u5c24\u5176\u662f\u5728\u5904\u7406\u5927\u89c4\u6a21\u6293\u53d6\u4efb\u52a1\u65f6\u3002Scrapy\u7684\u5e76\u53d1\u5904\u7406\u3001\u8bf7\u6c42\u8c03\u5ea6\u548c\u9ad8\u6548\u7684\u6570\u636e\u7ba1\u9053\u80fd\u591f\u663e\u8457\u63d0\u9ad8\u6293\u53d6\u6548\u7387\u3002\u7136\u800c\uff0c\u5bf9\u4e8e\u5c0f\u578b\u3001\u7b80\u5355\u7684\u6293\u53d6\u4efb\u52a1\uff0cRequests\u548cBeautifulSoup\u7684\u7ec4\u5408\u53ef\u80fd\u66f4\u52a0\u7075\u6d3b\u548c\u8f7b\u91cf\u7ea7\u3002<\/p>\n\n\n\n<p><strong>\u9009\u62e9\u5efa\u8bae\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5c0f\u578b\u9879\u76ee\u6216\u7b80\u5355\u89e3\u6790\uff1a<\/strong> \u5982\u679c\u4f60\u7684\u9879\u76ee\u53ea\u9700\u8981\u6293\u53d6\u5c11\u91cf\u9875\u9762\uff0c\u6216\u8005\u4f60\u5df2\u7ecf\u6709\u4e86HTML\/XML\u6587\u4ef6\u9700\u8981\u89e3\u6790\uff0cBeautifulSoup\u662f\u4e00\u4e2a\u7b80\u5355\u9ad8\u6548\u7684\u9009\u62e9\u3002\u53ef\u4ee5\u7ed3\u5408Requests\u5e93\u83b7\u53d6\u7f51\u9875\u5185\u5bb9\uff0c\u5e76\u5229\u7528<strong>YiLuProxy<\/strong>\u63d0\u4f9b\u7684\u4ee3\u7406IP\u8fdb\u884c\u8bf7\u6c42\u3002<\/li>\n\n\n\n<li><strong>\u4e2d\u5927\u578b\u9879\u76ee\u6216\u590d\u6742\u6293\u53d6\uff1a<\/strong> \u5982\u679c\u4f60\u9700\u8981\u6293\u53d6\u5927\u91cf\u9875\u9762\u3001\u5904\u7406\u590d\u6742\u7684\u7f51\u7ad9\u7ed3\u6784\u3001\u9700\u8981\u8fdb\u884c\u7528\u6237\u4ea4\u4e92\u6216\u9700\u8981\u4f7f\u7528\u4e2d\u95f4\u4ef6\u529f\u80fd\uff08\u5982\u81ea\u52a8\u9650\u901f\u3001User-Agent\u8f6e\u6362\u3001<strong>\u4ee3\u7406IP<\/strong>\u7ba1\u7406\uff09\uff0cScrapy\u65e0\u7591\u662f\u66f4\u5f3a\u5927\u7684\u5de5\u5177\u3002\u5b83\u63d0\u4f9b\u7684\u6846\u67b6\u7ed3\u6784\u80fd\u591f\u66f4\u597d\u5730\u7ec4\u7ec7\u548c\u7ba1\u7406\u4f60\u7684\u722c\u866b\u9879\u76ee\uff0c\u5e76\u53ef\u4ee5\u8f7b\u677e\u96c6\u6210<strong>YiLuProxy<\/strong>\u7b49\u670d\u52a1\u3002<\/li>\n\n\n\n<li><strong>\u5b66\u4e60\u548c\u539f\u578b\u5f00\u53d1\uff1a<\/strong> 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