{"id":969452,"date":"2024-12-27T05:17:05","date_gmt":"2024-12-26T21:17:05","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/969452.html"},"modified":"2024-12-27T05:17:07","modified_gmt":"2024-12-26T21:17:07","slug":"%e5%a6%82%e4%bd%95%e7%94%a8python%e6%b5%81%e8%a1%8c%e7%88%ac%e8%99%ab","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/969452.html","title":{"rendered":"\u5982\u4f55\u7528python\u6d41\u884c\u722c\u866b"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/24183716\/d9dac519-b6ba-4b2f-b45b-dadc4adefb08.webp\" alt=\"\u5982\u4f55\u7528python\u6d41\u884c\u722c\u866b\" \/><\/p>\n<p><p> \u5f00\u5934\u6bb5\u843d\uff1a<br \/>\u4f7f\u7528Python\u8fdb\u884c\u722c\u866b\u5f00\u53d1\u53ef\u4ee5\u901a\u8fc7<strong>\u9009\u62e9\u5408\u9002\u7684\u5e93\u548c\u6846\u67b6\u3001\u7406\u89e3\u5e76\u9075\u5faa\u7f51\u7ad9\u7684robots.txt\u6587\u4ef6\u3001\u5904\u7406\u53cd\u722c\u63aa\u65bd\u3001\u6570\u636e\u5b58\u50a8\u4e0e\u5904\u7406<\/strong>\u7b49\u6b65\u9aa4\u6765\u5b9e\u73b0\u3002\u5728\u8fd9\u4e9b\u6b65\u9aa4\u4e2d\uff0c\u9009\u62e9\u5408\u9002\u7684\u5e93\u548c\u6846\u67b6\u5c24\u4e3a\u91cd\u8981\uff0c\u56e0\u4e3a\u5b83\u51b3\u5b9a\u4e86\u722c\u866b\u7684\u5f00\u53d1\u6548\u7387\u548c\u529f\u80fd\u6269\u5c55\u6027\u3002\u4f8b\u5982\uff0c\u9009\u62e9Scrapy\u6846\u67b6\u53ef\u4ee5\u5e2e\u52a9\u5f00\u53d1\u8005\u5feb\u901f\u521b\u5efa\u4e00\u4e2a\u722c\u866b\u9879\u76ee\uff0c\u540c\u65f6\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u6269\u5c55\u652f\u6301\uff0c\u5982\u5f02\u6b65\u4e0b\u8f7d\u3001\u6570\u636e\u5b58\u50a8\u652f\u6301\u7b49\u3002Scrapy\u7684\u5f3a\u5927\u4e4b\u5904\u5728\u4e8e\u5b83\u7684\u6a21\u5757\u5316\u8bbe\u8ba1\uff0c\u4f7f\u5f97\u5f00\u53d1\u8005\u53ef\u4ee5\u4e13\u6ce8\u4e8e\u6570\u636e\u7684\u63d0\u53d6\u548c\u5904\u7406\uff0c\u800c\u4e0d\u5fc5\u62c5\u5fc3\u5e95\u5c42\u7684\u4e0b\u8f7d\u548c\u5e76\u53d1\u63a7\u5236\u95ee\u9898\u3002<\/p>\n<\/p>\n<p><p>\u4e00\u3001\u9009\u62e9\u5408\u9002\u7684\u5e93\u548c\u6846\u67b6<\/p>\n<\/p>\n<p><p>Python\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u722c\u866b\u5f00\u53d1\u5e93\u548c\u6846\u67b6\uff0c\u5305\u62ecBeautifulSoup\u3001Requests\u3001Scrapy\u3001Selenium\u7b49\u3002\u9009\u62e9\u5408\u9002\u7684\u5de5\u5177\u662f\u722c\u866b\u5f00\u53d1\u7684\u9996\u8981\u6b65\u9aa4\u3002<\/p>\n<\/p>\n<ol>\n<li>\n<p><strong>BeautifulSoup\u548cRequests\uff1a<\/strong><br \/>BeautifulSoup\u662f\u4e00\u6b3e\u7528\u4e8e\u89e3\u6790HTML\u548cXML\u7684\u5e93\uff0c\u5176\u4e0eRequests\u5e93\u7ed3\u5408\u4f7f\u7528\uff0c\u80fd\u591f\u7b80\u5316\u7f51\u9875\u6570\u636e\u7684\u63d0\u53d6\u3002Requests\u8d1f\u8d23\u53d1\u9001HTTP\u8bf7\u6c42\u5e76\u83b7\u53d6\u7f51\u9875\u5185\u5bb9\uff0cBeautifulSoup\u5219\u7528\u4e8e\u89e3\u6790\u548c\u63d0\u53d6\u9700\u8981\u7684\u6570\u636e\u3002\u5bf9\u4e8e\u5c0f\u578b\u7684\u3001\u7ed3\u6784\u7b80\u5355\u7684\u7f51\u9875\uff0c\u4f7f\u7528BeautifulSoup\u548cRequests\u662f\u4e00\u4e2a\u4e0d\u9519\u7684\u9009\u62e9\uff0c\u56e0\u4e3a\u5b83\u4eec\u7b80\u5355\u6613\u7528\u4e14\u8db3\u591f\u9ad8\u6548\u3002<\/p>\n<\/p>\n<\/li>\n<li>\n<p><strong>Scrapy\uff1a<\/strong><br \/>Scrapy\u662f\u4e00\u4e2a\u529f\u80fd\u5f3a\u5927\u7684\u722c\u866b\u6846\u67b6\uff0c\u9002\u7528\u4e8e\u9700\u8981\u5904\u7406\u5927\u91cf\u6570\u636e\u548c\u590d\u6742\u7f51\u9875\u7ed3\u6784\u7684\u573a\u666f\u3002Scrapy\u5185\u7f6e\u4e86\u5904\u7406\u8bf7\u6c42\u3001\u54cd\u5e94\u3001\u6570\u636e\u63d0\u53d6\u3001\u5b58\u50a8\u7b49\u5b8c\u6574\u7684\u5de5\u4f5c\u6d41\uff0c\u652f\u6301\u5f02\u6b65\u8bf7\u6c42\u3001\u5e76\u53d1\u63a7\u5236\u7b49\u9ad8\u7ea7\u529f\u80fd\u3002\u9009\u62e9Scrapy\u53ef\u4ee5\u5927\u5927\u63d0\u9ad8\u722c\u866b\u5f00\u53d1\u7684\u6548\u7387\uff0c\u5e76\u4e14\u5b83\u7684\u6a21\u5757\u5316\u8bbe\u8ba1\u4f7f\u5f97\u6269\u5c55\u548c\u7ef4\u62a4\u66f4\u4e3a\u5bb9\u6613\u3002<\/p>\n<\/p>\n<\/li>\n<li>\n<p><strong>Selenium\uff1a<\/strong><br \/>\u5bf9\u4e8e\u9700\u8981\u5904\u7406JavaScript\u52a8\u6001\u52a0\u8f7d\u7684\u7f51\u9875\uff0cSelenium\u662f\u4e00\u4e2a\u7406\u60f3\u7684\u9009\u62e9\u3002Selenium\u672c\u8d28\u4e0a\u662f\u4e00\u4e2a\u81ea\u52a8\u5316\u6d4b\u8bd5\u5de5\u5177\uff0c\u80fd\u591f\u6a21\u62df\u7528\u6237\u884c\u4e3a\u4e0e\u6d4f\u89c8\u5668\u4ea4\u4e92\uff0c\u56e0\u6b64\u5728\u5904\u7406\u9700\u8981JavaScript\u6e32\u67d3\u7684\u7f51\u9875\u65f6\u975e\u5e38\u6709\u6548\u3002\u7136\u800c\uff0cSelenium\u7684\u6027\u80fd\u76f8\u5bf9\u8f83\u4f4e\uff0c\u4e0d\u9002\u5408\u5927\u89c4\u6a21\u7684\u6570\u636e\u722c\u53d6\u4efb\u52a1\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n<p><p>\u4e8c\u3001\u7406\u89e3\u5e76\u9075\u5faa\u7f51\u7ad9\u7684robots.txt\u6587\u4ef6<\/p>\n<\/p>\n<p><p>\u5728\u5f00\u53d1\u722c\u866b\u65f6\uff0c\u7406\u89e3\u5e76\u9075\u5faa\u76ee\u6807\u7f51\u7ad9\u7684robots.txt\u6587\u4ef6\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002robots.txt\u6587\u4ef6\u901a\u5e38\u4f4d\u4e8e\u7f51\u7ad9\u7684\u6839\u76ee\u5f55\u4e2d\uff0c\u7528\u4e8e\u6307\u793a\u722c\u866b\u54ea\u4e9b\u9875\u9762\u53ef\u4ee5\u88ab\u722c\u53d6\uff0c\u54ea\u4e9b\u9875\u9762\u4e0d\u5141\u8bb8\u88ab\u722c\u53d6\u3002<\/p>\n<\/p>\n<ol>\n<li>\n<p><strong>\u89e3\u6790robots.txt\u6587\u4ef6\uff1a<\/strong><br \/>\u4f7f\u7528Python\u53ef\u4ee5\u5f88\u5bb9\u6613\u5730\u89e3\u6790robots.txt\u6587\u4ef6\uff0c\u63d0\u53d6\u51fa\u5141\u8bb8\u548c\u7981\u6b62\u7684\u722c\u53d6\u8def\u5f84\u3002\u53ef\u4ee5\u4f7f\u7528robotparser\u5e93\u6765\u89e3\u6790\u548c\u68c0\u67e5\u67d0\u4e2aURL\u662f\u5426\u5141\u8bb8\u88ab\u722c\u53d6\u3002\u8fd9\u4e0d\u4ec5\u6709\u52a9\u4e8e\u9075\u5faa\u7f51\u7ad9\u7684\u89c4\u5b9a\uff0c\u8fd8\u80fd\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u6cd5\u5f8b\u7ea0\u7eb7\u3002<\/p>\n<\/p>\n<\/li>\n<li>\n<p><strong>\u9075\u5faa\u9053\u5fb7\u89c4\u8303\uff1a<\/strong><br \/>\u5c3d\u7ba1robots.txt\u6587\u4ef6\u53ea\u662f\u4e00\u4e2a\u5efa\u8bae\uff0c\u4f46\u9075\u5faa\u8fd9\u4e9b\u89c4\u5b9a\u662f\u4e00\u4e2a\u8d1f\u8d23\u4efb\u7684\u722c\u866b\u5f00\u53d1\u8005\u5e94\u6709\u7684\u9053\u5fb7\u6807\u51c6\u3002\u901a\u8fc7\u9075\u5faarobots.txt\u6587\u4ef6\uff0c\u53ef\u4ee5\u786e\u4fdd\u722c\u866b\u4e0d\u4f1a\u5bf9\u76ee\u6807\u7f51\u7ad9\u9020\u6210\u8d1f\u62c5\u548c\u5f71\u54cd\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n<p><p>\u4e09\u3001\u5904\u7406\u53cd\u722c\u63aa\u65bd<\/p>\n<\/p>\n<p><p>\u73b0\u4ee3\u7f51\u7ad9\u901a\u5e38\u4f1a\u91c7\u53d6\u5404\u79cd\u53cd\u722c\u63aa\u65bd\u6765\u4fdd\u62a4\u5176\u6570\u636e\uff0c\u56e0\u6b64\u5982\u4f55\u5904\u7406\u548c\u7ed5\u8fc7\u8fd9\u4e9b\u63aa\u65bd\u662f\u722c\u866b\u5f00\u53d1\u4e2d\u7684\u4e00\u4e2a\u91cd\u8981\u73af\u8282\u3002<\/p>\n<\/p>\n<ol>\n<li>\n<p><strong>\u6a21\u62df\u6d4f\u89c8\u5668\u884c\u4e3a\uff1a<\/strong><br \/>\u8bb8\u591a\u7f51\u7ad9\u901a\u8fc7\u68c0\u6d4b\u8bf7\u6c42\u5934\u4e2d\u7684User-Agent\u5b57\u6bb5\u6765\u8bc6\u522b\u548c\u5c4f\u853d\u722c\u866b\u3002\u901a\u8fc7\u5728\u8bf7\u6c42\u4e2d\u6dfb\u52a0\u5408\u9002\u7684User-Agent\uff0c\u53ef\u4ee5\u6a21\u62df\u6d4f\u89c8\u5668\u7684\u884c\u4e3a\uff0c\u964d\u4f4e\u88ab\u5c4f\u853d\u7684\u98ce\u9669\u3002\u6b64\u5916\uff0c\u968f\u673a\u5316User-Agent\u548cIP\u5730\u5740\u4e5f\u53ef\u4ee5\u5e2e\u52a9\u7ed5\u8fc7\u4e00\u4e9b\u57fa\u672c\u7684\u53cd\u722c\u63aa\u65bd\u3002<\/p>\n<\/p>\n<\/li>\n<li>\n<p><strong>\u4f7f\u7528\u4ee3\u7406\u548cIP\u8f6e\u6362\uff1a<\/strong><br \/>\u9891\u7e41\u4ece\u540c\u4e00IP\u5730\u5740\u53d1\u9001\u8bf7\u6c42\u53ef\u80fd\u4f1a\u5bfc\u81f4\u88ab\u76ee\u6807\u7f51\u7ad9\u5c4f\u853d\u3002\u901a\u8fc7\u4f7f\u7528\u4ee3\u7406\u6c60\u548cIP\u8f6e\u6362\uff0c\u53ef\u4ee5\u6709\u6548\u964d\u4f4e\u88ab\u5c4f\u853d\u7684\u98ce\u9669\u3002\u53ef\u4ee5\u9009\u62e9\u4e00\u4e9b\u5f00\u6e90\u7684\u4ee3\u7406\u6c60\u5e93\uff0c\u6216\u4f7f\u7528\u4ed8\u8d39\u7684\u4ee3\u7406\u670d\u52a1\u6765\u5b9e\u73b0IP\u7684\u81ea\u52a8\u5316\u5207\u6362\u3002<\/p>\n<\/p>\n<\/li>\n<li>\n<p><strong>\u5904\u7406JavaScript\u6e32\u67d3\uff1a<\/strong><br \/>\u5bf9\u4e8e\u9700\u8981JavaScript\u6e32\u67d3\u7684\u7f51\u9875\uff0c\u4f7f\u7528Selenium\u6216Splash\u7b49\u5de5\u5177\u53ef\u4ee5\u5e2e\u52a9\u722c\u866b\u83b7\u53d6\u52a8\u6001\u52a0\u8f7d\u7684\u6570\u636e\u3002\u6b64\u5916\uff0c\u4e5f\u53ef\u4ee5\u901a\u8fc7\u5206\u6790\u7f51\u7edc\u8bf7\u6c42\uff0c\u76f4\u63a5\u8bf7\u6c42\u6570\u636eAPI\uff0c\u800c\u4e0d\u662f\u6293\u53d6\u9875\u9762\u5185\u5bb9\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n<p><p>\u56db\u3001\u6570\u636e\u5b58\u50a8\u4e0e\u5904\u7406<\/p>\n<\/p>\n<p><p>\u6210\u529f\u6293\u53d6\u5230\u6570\u636e\u540e\uff0c\u5982\u4f55\u5b58\u50a8\u548c\u5904\u7406\u8fd9\u4e9b\u6570\u636e\u4e5f\u662f\u722c\u866b\u5f00\u53d1\u7684\u91cd\u8981\u90e8\u5206\u3002\u9009\u62e9\u5408\u9002\u7684\u5b58\u50a8\u65b9\u5f0f\u548c\u6570\u636e\u5904\u7406\u5de5\u5177\uff0c\u53ef\u4ee5\u5e2e\u52a9\u9ad8\u6548\u5730\u7ba1\u7406\u548c\u5206\u6790\u6293\u53d6\u5230\u7684\u6570\u636e\u3002<\/p>\n<\/p>\n<ol>\n<li>\n<p><strong>\u6570\u636e\u5b58\u50a8\uff1a<\/strong><br \/>\u6839\u636e\u6570\u636e\u7684\u7ed3\u6784\u548c\u89c4\u6a21\uff0c\u53ef\u4ee5\u9009\u62e9\u4e0d\u540c\u7684\u5b58\u50a8\u65b9\u5f0f\u3002\u5bf9\u4e8e\u7ed3\u6784\u5316\u6570\u636e\uff0c\u53ef\u4ee5\u9009\u62e9\u4f7f\u7528\u5173\u7cfb\u578b\u6570\u636e\u5e93\u5982MySQL\u3001PostgreSQL\u7b49\u3002\u5bf9\u4e8e\u975e\u7ed3\u6784\u5316\u6216\u534a\u7ed3\u6784\u5316\u6570\u636e\uff0c\u53ef\u4ee5\u9009\u62e9NoSQL\u6570\u636e\u5e93\u5982MongoDB\u3001Elasticsearch\u7b49\u3002\u6b64\u5916\uff0c\u4e5f\u53ef\u4ee5\u5c06\u6570\u636e\u5b58\u50a8\u4e3aCSV\u3001JSON\u7b49\u683c\u5f0f\uff0c\u65b9\u4fbf\u540e\u7eed\u7684\u6570\u636e\u5206\u6790\u548c\u5904\u7406\u3002<\/p>\n<\/p>\n<\/li>\n<li>\n<p><strong>\u6570\u636e\u6e05\u6d17\u548c\u5206\u6790\uff1a<\/strong><br \/>\u6293\u53d6\u5230\u7684\u6570\u636e\u53ef\u80fd\u5305\u542b\u566a\u58f0\u548c\u9519\u8bef\uff0c\u56e0\u6b64\u9700\u8981\u8fdb\u884c\u6570\u636e\u6e05\u6d17\u548c\u9884\u5904\u7406\u3002\u53ef\u4ee5\u4f7f\u7528Pandas\u7b49\u6570\u636e\u5904\u7406\u5e93\u5bf9\u6570\u636e\u8fdb\u884c\u6e05\u6d17\u548c\u8f6c\u6362\u3002\u6e05\u6d17\u540e\u7684\u6570\u636e\u53ef\u4ee5\u901a\u8fc7\u7edf\u8ba1\u5206\u6790\u3001\u53ef\u89c6\u5316\u7b49\u624b\u6bb5\u8fdb\u884c\u6df1\u5165\u5206\u6790\uff0c\u4ee5\u83b7\u53d6\u6709\u4ef7\u503c\u7684\u6d1e\u5bdf\u3002<\/p>\n<\/p>\n<\/li>\n<li>\n<p><strong>\u81ea\u52a8\u5316\u548c\u8c03\u5ea6\uff1a<\/strong><br \/>\u5bf9\u4e8e\u9700\u8981\u5b9a\u671f\u66f4\u65b0\u7684\u6570\u636e\uff0c\u53ef\u4ee5\u4f7f\u7528\u8c03\u5ea6\u5de5\u5177\u5982Cron\u3001<a href=\"https:\/\/docs.pingcode.com\/blog\/59162.html\" target=\"_blank\">AI<\/a>rflow\u7b49\uff0c\u81ea\u52a8\u5316\u6267\u884c\u722c\u866b\u4efb\u52a1\u3002Scrapy\u5185\u7f6e\u7684\u8c03\u5ea6\u529f\u80fd\u4e5f\u53ef\u4ee5\u65b9\u4fbf\u5730\u5b9e\u73b0\u5b9a\u671f\u722c\u53d6\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n<p><p>\u4e94\u3001\u722c\u866b\u6027\u80fd\u4f18\u5316<\/p>\n<\/p>\n<p><p>\u5728\u5f00\u53d1\u548c\u8fd0\u884c\u722c\u866b\u65f6\uff0c\u6027\u80fd\u4f18\u5316\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u8003\u8651\u56e0\u7d20\u3002\u9ad8\u6548\u7684\u722c\u866b\u80fd\u591f\u5728\u77ed\u65f6\u95f4\u5185\u6293\u53d6\u5927\u91cf\u6570\u636e\uff0c\u540c\u65f6\u51cf\u5c11\u5bf9\u76ee\u6807\u7f51\u7ad9\u7684\u5f71\u54cd\u3002<\/p>\n<\/p>\n<ol>\n<li>\n<p><strong>\u5e76\u53d1\u8bf7\u6c42\uff1a<\/strong><br 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