{"id":11399,"date":"2020-12-18T13:15:21","date_gmt":"2020-12-18T13:15:21","guid":{"rendered":"https:\/\/www.rapidseedbox.com\/?p=11399"},"modified":"2025-10-28T18:31:07","modified_gmt":"2025-10-28T18:31:07","slug":"web-scraping","status":"publish","type":"post","link":"https:\/\/www.rapidseedbox.com\/zh\/blog\/web-scraping","title":{"rendered":"\u7f51\u7edc\u6293\u53d6\u7ec8\u6781\u6307\u5357\u3010\u66f4\u65b0\u7248\u3011\uff1a\u5168\u9762\u638c\u63e1\u7f51\u9875\u6570\u636e\u63d0\u53d6\u6280\u5de7"},"content":{"rendered":"<p>In this ultimate guide, we will explore the world of web scraping, a powerful technique to extract data from websites. rat<\/p>\n\n\n\n<p><em>\u65e0\u8bba\u4f60\u662f\u5bf9\u8fd9\u4e00\u6982\u5ff5\u5145\u6ee1\u597d\u5947\u7684\u521d\u5b66\u8005\uff0c\u8fd8\u662f\u5e0c\u671b\u63d0\u9ad8\u6280\u80fd\u7684\u8d44\u6df1\u7a0b\u5e8f\u5458\uff0c\u672c\u6307\u5357\u90fd\u80fd\u4e3a\u6bcf\u4e2a\u4eba\u63d0\u4f9b\u6709\u4ef7\u503c\u7684\u5185\u5bb9\u3002\u4ece\u4e86\u89e3 HTML \u6570\u636e\u63d0\u53d6\u7684\u57fa\u7840\u77e5\u8bc6\u5230\u4f7f\u7528 CSS \u548c <a href=\"https:\/\/www.rapidseedbox.com\/blog\/xpath-cheat-sheet\" target=\"_blank\" rel=\"noreferrer noopener\">XPath<\/a> \u4ece\u9009\u62e9\u5668\u5230\u4f7f\u7528 Python \u8fdb\u884c\u7f51\u7edc\u641c\u522e\u7684\u5b9e\u8df5\uff0c\u6211\u4eec\u90fd\u4f1a\u4e3a\u60a8\u4e00\u4e00\u4ecb\u7ecd\u3002\u6b64\u5916\uff0c\u6211\u4eec\u8fd8\u5c06\u8ba8\u8bba\u6cd5\u5f8b\u95ee\u9898\u3001\u9053\u5fb7\u8003\u8651\u56e0\u7d20\u548c\u6700\u4f73\u5b9e\u8df5\uff0c\u4ee5\u786e\u4fdd\u8d1f\u8d23\u4efb\u5730\u8fdb\u884c\u7f51\u7edc\u641c\u522e\u3002 <\/em><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/web-scraping.png\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"532\" src=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/web-scraping-1024x532.png\" alt=\"\u7f51\u7edc\u641c\u522e\" class=\"wp-image-25091\" srcset=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/web-scraping-1024x532.png 1024w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/web-scraping-300x156.png 300w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/web-scraping-18x9.png 18w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/web-scraping.png 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<p><em><strong>\u514d\u8d23\u58f0\u660e\uff1a <\/strong>\u514d\u8d23\u58f0\u660e\uff1a\u672c\u6750\u6599\u4ec5\u4f9b\u53c2\u8003\u3002\u5b83\u5e76\u4e0d\u6784\u6210\u5bf9\u4efb\u4f55\u6d3b\u52a8\uff08\u5305\u62ec\u975e\u6cd5\u6d3b\u52a8\uff09\u3001\u4ea7\u54c1\u6216\u670d\u52a1\u7684\u8ba4\u53ef\u3002\u5728\u4f7f\u7528\u6211\u4eec\u7684\u670d\u52a1\u6216\u4f9d\u8d56\u6b64\u5904\u7684\u4efb\u4f55\u4fe1\u606f\u65f6\uff0c\u60a8\u5168\u6743\u8d1f\u8d23\u9075\u5b88\u9002\u7528\u7684\u6cd5\u5f8b\uff0c\u5305\u62ec\u77e5\u8bc6\u4ea7\u6743\u6cd5\u3002\u5bf9\u4e8e\u56e0\u4ee5\u4efb\u4f55\u65b9\u5f0f\u4f7f\u7528\u6211\u4eec\u7684\u670d\u52a1\u6216\u6b64\u5904\u5305\u542b\u7684\u4fe1\u606f\u800c\u9020\u6210\u7684\u635f\u5bb3\uff0c\u6211\u4eec\u4e0d\u627f\u62c5\u4efb\u4f55\u8d23\u4efb\uff0c\u9664\u975e\u6cd5\u5f8b\u660e\u786e\u8981\u6c42\u3002<\/em><\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">\u76ee\u5f55&nbsp;<\/h2>\n\n\n\n<ol>\n<li><a href=\"#01\">\u4ec0\u4e48\u662f\u7f51\u7edc\u6293\u53d6\u53ca\u5176\u5de5\u4f5c\u539f\u7406\uff1f<\/a> <\/li>\n\n\n\n<li><a href=\"#02\">HTML \u6570\u636e\u63d0\u53d6\u57fa\u7840\uff1aCSS \u548c XPath \u9009\u62e9\u5668<\/a><\/li>\n\n\n\n<li><a href=\"#03\">\u7528 Python \u8fdb\u884c\u7f51\u7edc\u6293\u53d6\uff08+ \u4ee3\u7801\uff09\u3002<\/a><\/li>\n\n\n\n<li><a href=\"#06\">\u7f51\u7edc\u641c\u7d22\u5408\u6cd5\u5417\uff1f<\/a> <\/li>\n\n\n\n<li><a href=\"#08\">\u7f51\u7ad9\u5982\u4f55\u963b\u6b62\u7f51\u7edc\u641c\u7d22\uff1f<\/a> <\/li>\n\n\n\n<li><a href=\"#010\">\u7f51\u7edc\u6293\u53d6\u7684\u9053\u5fb7\u548c\u6700\u4f73\u5b9e\u8df5\u3002<\/a> <\/li>\n\n\n\n<li><a href=\"#07\">\u7f51\u7edc\u6293\u53d6\uff1a\u5e38\u89c1\u95ee\u9898 (FAQ)<\/a><\/li>\n\n\n\n<li><a href=\"#012\">\u7ed3\u8bed\u3002<\/a><\/li>\n<\/ol>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"01\">1.\u4ec0\u4e48\u662f\u7f51\u7edc\u6293\u53d6\u53ca\u5176\u5de5\u4f5c\u539f\u7406\uff1f<\/h2>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"\u7f51\u7edc\u6293\u53d6\u5c06\u6c38\u8fdc\u4e3a\u4f60\u8282\u7701\u5927\u91cf\u65f6\u95f4\" width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/QUKRkIYg6as?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<p>\u7f51\u7edc\u641c\u522e\uff08\u4e5f\u79f0\u7f51\u7edc\u91c7\u96c6\u6216\u6570\u636e\u63d0\u53d6\uff09\u662f\u4ece\u7f51\u7ad9\u3001\u7f51\u7edc\u670d\u52a1\u548c\u7f51\u7edc\u5e94\u7528\u7a0b\u5e8f\u4e2d\u81ea\u52a8\u63d0\u53d6\u6570\u636e\u7684\u8fc7\u7a0b\u3002 <\/p>\n\n\n\n<p>\u7f51\u7edc\u641c\u522e\u5e2e\u52a9\u6211\u4eec\u514d\u53bb\u4e86\u8fdb\u5165\u6bcf\u4e2a\u7f51\u7ad9\u5e76\u624b\u52a8\u83b7\u53d6\u6570\u636e\u7684\u9ebb\u70e6--\u8fd9\u662f\u4e00\u4e2a\u6f2b\u957f\u800c\u65e0\u6548\u7684\u8fc7\u7a0b\u3002\u8fd9\u4e00\u8fc7\u7a0b\u9700\u8981\u4f7f\u7528\u81ea\u52a8\u811a\u672c\u6216\u7a0b\u5e8f\u3002\u811a\u672c\u6216\u7a0b\u5e8f\u8bbf\u95ee\u7f51\u9875\u7684 HTML \u7ed3\u6784\uff0c\u89e3\u6790\u6570\u636e\uff0c\u5e76\u63d0\u53d6\u7f51\u9875\u4e2d\u7279\u5b9a\u7684\u6240\u9700\u5143\u7d20\uff0c\u4ee5\u4fbf\u8fdb\u4e00\u6b65\u5206\u6790\u3002 <\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"05\">a.\u7f51\u7edc\u6293\u53d6\u6709\u4ec0\u4e48\u7528\u9014\uff1f<\/h3>\n\n\n\n<p>\u5982\u679c\u4ee5\u8d1f\u8d23\u4efb\u7684\u65b9\u5f0f\u8fdb\u884c\uff0c\u7f51\u7edc\u641c\u7d22\u662f\u975e\u5e38\u597d\u7684\u3002\u4e00\u822c\u6765\u8bf4\uff0c\u5b83\u53ef\u7528\u4e8e\u7814\u7a76\u5e02\u573a\uff0c\u5982\u6d1e\u5bdf\u548c\u4e86\u89e3\u7279\u5b9a\u5e02\u573a\u7684\u8d8b\u52bf\u3002\u5b83\u5728\u7ade\u4e89\u76d1\u6d4b\u4e2d\u4e5f\u5f88\u53d7\u6b22\u8fce\uff0c\u53ef\u4ee5\u8ddf\u8e2a\u4ed6\u4eec\u7684\u6218\u7565\u3001\u4ef7\u683c\u7b49\u3002<\/p>\n\n\n\n<p><strong>&nbsp;\u66f4\u5177\u4f53\u7684\u4f7f\u7528\u6848\u4f8b\u6709 <\/strong><\/p>\n\n\n\n<ul>\n<li>\u793e\u4ea4\u5e73\u53f0 (<a href=\"https:\/\/www.rapidseedbox.com\/blog\/twitter-facebook-scraper-guide\" target=\"_blank\" rel=\"noreferrer noopener\">Facebook \u548c Twitter \u641c\u7d22<\/a>)<\/li>\n\n\n\n<li>\u5728\u7ebf\u4ef7\u683c\u53d8\u5316\u76d1\u63a7\u3001 <\/li>\n\n\n\n<li>\u4ea7\u54c1\u8bc4\u8bba <\/li>\n\n\n\n<li>\u641c\u7d22\u5f15\u64ce\u4f18\u5316\u6d3b\u52a8\u3001<\/li>\n\n\n\n<li>\u623f\u5730\u4ea7\u6e05\u5355\u3001 <\/li>\n\n\n\n<li>\u8ddf\u8e2a\u6c14\u8c61\u6570\u636e\u3001 <\/li>\n\n\n\n<li>\u8ddf\u8e2a\u7f51\u7ad9\u58f0\u8a89\u3001 <\/li>\n\n\n\n<li>\u76d1\u6d4b\u822a\u73ed\u7684\u53ef\u7528\u6027\u548c\u4ef7\u683c\u3001 <\/li>\n\n\n\n<li>\u6d4b\u8bd5\u5e7f\u544a\uff0c\u4e0d\u53d7\u5730\u57df\u9650\u5236\u3001 <\/li>\n\n\n\n<li>\u76d1\u7763\u8d22\u653f\u8d44\u6e90\u3001 <\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">b.\u7f51\u7edc\u6293\u53d6\u662f\u5982\u4f55\u5de5\u4f5c\u7684\uff1f <\/h3>\n\n\n\n<p>\u7f51\u7edc\u641c\u522e\u6d89\u53ca\u7684\u5178\u578b\u8981\u7d20\u662f\u53d1\u8d77\u8005\u548c\u76ee\u6807\u3002\u53d1\u8d77\u8005\uff08\u7f51\u7edc\u641c\u522e\u8005\uff09\u4f7f\u7528\u81ea\u52a8\u6570\u636e\u63d0\u53d6\u8f6f\u4ef6\u5bf9\u7f51\u7ad9\u8fdb\u884c\u641c\u522e\u3002\u53e6\u4e00\u65b9\u9762\uff0c\u76ee\u6807\u901a\u5e38\u662f\u7f51\u7ad9\u5185\u5bb9\u3001\u8054\u7cfb\u4fe1\u606f\u3001\u8868\u5355\u6216\u7f51\u7edc\u4e0a\u4efb\u4f55\u516c\u5f00\u7684\u5185\u5bb9\u3002<\/p>\n\n\n\n<p><strong>\u5178\u578b\u6d41\u7a0b\u5982\u4e0b\uff1a&nbsp;<\/strong><\/p>\n\n\n\n<ul>\n<li><strong>\u6b65\u9aa4 1\uff1a <\/strong>\u53d1\u8d77\u8005\u4f7f\u7528\u522e\u64e6\u5de5\u5177--\u8f6f\u4ef6\uff08\u53ef\u4ee5\u662f\u57fa\u4e8e\u4e91\u7684\u670d\u52a1\uff0c\u4e5f\u53ef\u4ee5\u662f\u81ea\u5236\u811a\u672c\uff09\u5f00\u59cb\u751f\u6210 HTTP \u8bf7\u6c42\uff08\u7528\u4e8e\u4e0e\u7f51\u7ad9\u4ea4\u4e92\u5e76\u68c0\u7d22\u6570\u636e\uff09\u3002\u8be5\u8f6f\u4ef6\u53ef\u4ee5\u5411\u76ee\u6807\u7f51\u7ad9\u53d1\u8d77\u4efb\u4f55 HTTP GET\u3001POST\u3001PUT\u3001DELETE \u6216 HEAD \u8bf7\u6c42\uff0c\u4e5f\u53ef\u4ee5\u53d1\u8d77 OPTIONS \u8bf7\u6c42\u3002&nbsp;<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_019.png\"><img decoding=\"async\" loading=\"lazy\" width=\"979\" height=\"526\" src=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_019.png\" alt=\"\u7f51\u7edc\u641c\u7d22\u7684\u5de5\u4f5c\u539f\u7406\" class=\"wp-image-17251\" srcset=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_019.png 979w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_019-300x161.png 300w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_019-18x10.png 18w\" sizes=\"(max-width: 979px) 100vw, 979px\" \/><\/a><\/figure>\n\n\n\n<ul>\n<li><strong>\u6b65\u9aa4 2.<\/strong> \u5982\u679c\u9875\u9762\u5b58\u5728\uff0c\u76ee\u6807\u7f51\u7ad9\u5c06\u4ee5 HTTP\/1.0 200 OK\uff08\u5bf9\u8bbf\u95ee\u8005\u7684\u5178\u578b\u54cd\u5e94\uff09\u54cd\u5e94\u522e\u64e6\u7a0b\u5e8f\u7684\u8bf7\u6c42\u3002\u522e\u64e6\u7a0b\u5e8f\u6536\u5230 HTML \u54cd\u5e94\uff08\u4f8b\u5982 200 OK\uff09\u540e\uff0c\u5c06\u7ee7\u7eed\u89e3\u6790\u6587\u6863\u5e76\u6536\u96c6\u5176\u975e\u7ed3\u6784\u5316\u6570\u636e\u3002<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_020.png\"><img decoding=\"async\" loading=\"lazy\" width=\"980\" height=\"525\" src=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_020.png\" alt=\"\u89e3\u6790\u548c\u6536\u96c6\u6570\u636e\" class=\"wp-image-17252\" srcset=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_020.png 980w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_020-300x161.png 300w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_020-18x10.png 18w\" sizes=\"(max-width: 980px) 100vw, 980px\" \/><\/a><\/figure>\n\n\n\n<ul>\n<li><strong>\u6b65\u9aa4 3<\/strong>.\u7136\u540e\uff0c\u522e\u677f\u8f6f\u4ef6\u5c06\u63d0\u53d6\u539f\u59cb\u6570\u636e\uff0c\u5c06\u5176\u5b58\u50a8\u8d77\u6765\uff0c\u5e76\u6839\u636e\u53d1\u8d77\u8005\u7684\u6307\u5b9a\u4e3a\u6570\u636e\u6dfb\u52a0\u7ed3\u6784\uff08\u7d22\u5f15\uff09\u3002\u7ed3\u6784\u5316\u6570\u636e\u53ef\u901a\u8fc7 XLS\u3001CSV\u3001SQL \u6216 XML \u7b49\u53ef\u8bfb\u683c\u5f0f\u8bbf\u95ee\u3002<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web-Scraping-works-1.png\"><img decoding=\"async\" loading=\"lazy\" width=\"983\" height=\"534\" src=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web-Scraping-works-1.png\" alt=\"\u6570\u636e\u7ed3\u6784\u5316\" class=\"wp-image-17254\" srcset=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web-Scraping-works-1.png 983w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web-Scraping-works-1-300x163.png 300w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web-Scraping-works-1-18x10.png 18w\" sizes=\"(max-width: 983px) 100vw, 983px\" \/><\/a><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"02\">2.HTML \u6570\u636e\u63d0\u53d6\u57fa\u7840CSS \u548c XPath \u9009\u62e9\u5668<\/h2>\n\n\n\n<p>\u60a8\u53ef\u80fd\u5df2\u7ecf\u4e86\u89e3\u4e86\u57fa\u672c\u77e5\u8bc6\uff1a <strong><em>\u7f51\u7edc\u6293\u53d6\u5305\u62ec\u4ece\u7f51\u7ad9\u4e0a\u63d0\u53d6\u6570\u636e\uff0c\u800c\u8fd9\u4e00\u5207\u90fd\u8981\u4ece HTML \u5f00\u59cb\u3002<\/em><\/strong>\u662f\u7f51\u9875\u7684\u652f\u67f1\u3002\u5728 HTML \u6587\u4ef6\u4e2d\uff0c\u4f60\u53ef\u4ee5\u627e\u5230\u7c7b\u548c ID\u3001\u8868\u683c\u3001\u5217\u8868\u3001\u5757\u6216\u5bb9\u5668--\u8fd9\u4e9b\u57fa\u672c\u5143\u7d20\u6784\u6210\u4e86\u7f51\u9875\u7684\u7ed3\u6784\u3002<\/p>\n\n\n\n<p>CSS \u5219\u662f\u4e00\u79cd\u6837\u5f0f\u8868\u8bed\u8a00\uff0c\u7528\u4e8e\u63a7\u5236 HTML \u6587\u6863\u7684\u663e\u793a\u548c\u5e03\u5c40\u3002\u5b83\u5b9a\u4e49\u4e86 HTML \u5143\u7d20\u5728\u7f51\u9875\u4e0a\u7684\u663e\u793a\u65b9\u5f0f\uff0c\u5982\u989c\u8272\u3001\u5b57\u4f53\u3001\u8fb9\u8ddd\u548c\u5b9a\u4f4d\u3002CSS \u5728\u7f51\u7edc\u641c\u522e\u4e2d\u8d77\u7740\u5173\u952e\u4f5c\u7528\uff0c\u56e0\u4e3a\u5b83\u6709\u52a9\u4e8e\u4ece\u6240\u9700\u5143\u7d20\u4e2d\u63d0\u53d6\u6570\u636e\u3002&nbsp;<\/p>\n\n\n\n<p><strong><em>\u6ce8\u610f\uff1a <\/em><\/strong><em>\u8be6\u7ec6\u89e3\u91ca HTML \u548c CSS \u53ca\u5176\u5de5\u4f5c\u539f\u7406\u4e0d\u5728\u672c\u6587\u8ba8\u8bba\u8303\u56f4\u4e4b\u5185\u3002\u6211\u4eec\u5047\u8bbe\u4f60\u5df2\u7ecf\u638c\u63e1\u4e86 HTML \u548c CSS \u7684\u57fa\u672c\u6280\u80fd\u3002&nbsp;<\/em><\/p>\n\n\n\n<p>\u867d\u7136\u53ef\u4ee5\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u7b49\u5404\u79cd\u6280\u672f\u76f4\u63a5\u4ece\u539f\u59cb HTML \u4e2d\u63d0\u53d6\u6570\u636e\uff0c\u4f46\u8fd9\u786e\u5b9e\u975e\u5e38\u8017\u65f6\u4e14\u5177\u6709\u6311\u6218\u6027\u3002\u7531\u4e8e HTML \u7684\u7ed3\u6784\u5316\u8bed\u8a00\u662f\u4e3a \"\u673a\u5668\u53ef\u8bfb \"\u800c\u8bbe\u8ba1\u7684\uff0c\u56e0\u6b64\u4f1a\u53d8\u5f97\u975e\u5e38\u590d\u6742\u591a\u6837\u3002 <strong>\u8fd9\u5c31\u662f CSS \u548c XPath \u9009\u62e9\u5668\u53d1\u6325\u5173\u952e\u4f5c\u7528\u7684\u5730\u65b9\u3002&nbsp;<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">a.\u7f16\u8bd1\u548c\u68c0\u67e5 HTML\u3002&nbsp;<\/h3>\n\n\n\n<p>\u5728\u4e0b\u4e00\u8282\u4e2d\uff0c\u6211\u4eec\u5c06\u63d0\u4f9b\u4e00\u4e9b CSS \u548c XPath \u9009\u62e9\u5668\u793a\u4f8b\uff08\u7ecf\u8fc7\u7f16\u8bd1\u548c\u68c0\u67e5\uff09\u3002\u4ee5\u4e0b\u6240\u6709 HTML \u548c CSS \u793a\u4f8b\u90fd\u662f\u901a\u8fc7\u5728\u7ebf\u7f16\u8f91\u5668\u7f16\u8bd1\u7684 <a href=\"https:\/\/html-css-js.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">HTML-CSS-JS<\/a>.<\/p>\n\n\n\n<p><strong>\u5728\u68c0\u67e5\u7f51\u7ad9\u7684 HTML \u4ee3\u7801\u65f6\u3001<\/strong> \u7f51\u9875\u6d4f\u89c8\u5668\u90fd\u5e26\u6709\u5f00\u53d1\u5de5\u5177\uff0c\u56e0\u6b64\u4f60\u53ef\u4ee5\u68c0\u67e5\u4efb\u4f55\u7f51\u7ad9\u4e0a\u516c\u5f00\u7684 HTML \u6216 CSS\u3002\u4f60\u53ef\u4ee5\u53f3\u51fb\u7f51\u9875\uff0c\u9009\u62e9 \"\u68c0\u67e5\"\u3001\"\u68c0\u67e5\u5143\u7d20 \"\u6216 \"\u68c0\u67e5\u6e90\u4ee3\u7801\"\u3002\u8981\u66f4\u597d\u5730\u5e76\u6392\u6bd4\u8f83\u9875\u9762\u548c\u4ee3\u7801\u52a8\u6001\uff0c\u8bf7\u5728 Chrome \u6d4f\u89c8\u5668 &gt; \u5de6\u4e0a\u89d2\u7684\u4e09\u4e2a\u70b9 (1) &gt; \u66f4\u591a\u5de5\u5177 (2) &gt; \u5f00\u53d1\u4eba\u5458\u5de5\u5177 (3)\u3002&nbsp;<\/p>\n\n\n\n<p>\u5f00\u53d1\u4eba\u5458\u5de5\u5177\u5e26\u6709\u4e00\u4e2a\u65b9\u4fbf\u7684\u641c\u7d22\u8fc7\u6ee4\u5668 (4)\uff0c\u53ef\u4ee5\u901a\u8fc7\u5b57\u7b26\u4e32\u3001\u9009\u62e9\u5668\u6216 XPath \u8fdb\u884c\u641c\u7d22\u3002\u4e3e\u4f8b\u6765\u8bf4\uff0c\u6211\u4eec\u5c06\u4ece https:\/\/www.rapidseedbox.com\/blog\/twitter-facebook-scraper-guide \u6293\u53d6\u4e00\u4e9b\u6570\u636e\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Basics_1-1024x513-1.png\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"513\" src=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Basics_1-1024x513-1.png\" alt=\"\u7f51\u7edc\u641c\u522e\u57fa\u7840\u77e5\u8bc6\" class=\"wp-image-22062\" srcset=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Basics_1-1024x513-1.png 1024w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Basics_1-1024x513-1-300x150.png 300w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Basics_1-1024x513-1-18x9.png 18w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">b.CSS \u9009\u62e9\u5668&nbsp;<\/h3>\n\n\n\n<p>CSS \u9009\u62e9\u5668\u662f\u7528\u4e8e\u9009\u62e9\u548c\u5b9a\u4f4d\u7f51\u9875 HTML \u5143\u7d20\u7684\u6a21\u5f0f\u3002\u7531\u4e8e CSS \u9009\u62e9\u5668\u63d0\u4f9b\u4e86\u4e00\u79cd\u4ece HTML \u6587\u6863\u4e2d\u83b7\u53d6\u6570\u636e\u7684\u66f4\u9ad8\u6548\u3001\u66f4\u6709\u9488\u5bf9\u6027\u7684\u65b9\u6cd5\uff0c\u56e0\u6b64\u5bf9\u7f51\u7edc\u641c\u7d22\uff08\u548c\u6837\u5f0f\u8bbe\u8ba1\uff09\u975e\u5e38\u6709\u7528\u3002\u867d\u7136\u53ef\u4ee5\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u7b49\u5404\u79cd\u6280\u672f\u76f4\u63a5\u4ece\u539f\u59cb HTML \u4e2d\u63d0\u53d6\u6570\u636e\uff0c\u4f46 CSS \u9009\u62e9\u5668\u5177\u6709\u591a\u79cd\u4f18\u52bf\uff0c\u4f7f\u5176\u6210\u4e3a\u7f51\u7edc\u641c\u522e\u7684\u9996\u9009\u3002<\/p>\n\n\n\n<p><strong>\u5728\u7f51\u9875\u4e2d\u5b9a\u4f4d\u548c\u9009\u62e9 HTML \u5143\u7d20\u7684\u6280\u672f\uff1a<\/strong><\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>i.\u8282\u70b9\u9009\u62e9\u3002<\/strong><\/h4>\n\n\n\n<p>\u8282\u70b9\u9009\u62e9\u662f\u6839\u636e HTML \u5143\u7d20\u7684\u8282\u70b9\u540d\u79f0\u9009\u62e9\u5143\u7d20\u7684\u8fc7\u7a0b\u3002\u4f8b\u5982\uff0c\u9009\u62e9\u9875\u9762\u4e0a\u6240\u6709\u7684 \"p \"\u5143\u7d20\u6216\u6240\u6709\u7684 \"a \"\u5143\u7d20\u3002\u8fd9\u79cd\u6280\u672f\u53ef\u4ee5\u8ba9\u4f60\u9501\u5b9a HTML \u6587\u6863\u4e2d\u7279\u5b9a\u7c7b\u578b\u7684\u5143\u7d20\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Examples_027.40.png\"><img decoding=\"async\" loading=\"lazy\" width=\"808\" height=\"159\" src=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Examples_027.40.png\" alt=\"\u7f51\u7edc\u6293\u53d6\u793a\u4f8b\" class=\"wp-image-22256\" srcset=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Examples_027.40.png 808w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Examples_027.40-300x59.png 300w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Examples_027.40-18x4.png 18w\" sizes=\"(max-width: 808px) 100vw, 808px\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Basics_8.png\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"474\" src=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Basics_8-1024x474.png\" alt=\"CSS \u9009\u62e9\u5668\" class=\"wp-image-17274\" srcset=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Basics_8-1024x474.png 1024w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Basics_8-300x139.png 300w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Basics_8-18x8.png 18w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Basics_8.png 1334w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption class=\"wp-element-caption\"><em>\u7167\u7247\u6765\u81ea <a href=\"https:\/\/html-css-js.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">HTML-CSS-JS<\/a><\/em><\/figcaption><\/figure>\n\n\n\n<p><strong>\u771f\u5b9e\u6848\u4f8b<\/strong> \u624b\u52a8\u641c\u7d22 H2\u3002&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Basics_11-1024x481-1.png\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"481\" src=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Basics_11-1024x481-1.png\" alt=\"\u7f51\u7edc\u522e\u677f\u57fa\u7840\u77e5\u8bc6\" class=\"wp-image-22015\" srcset=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Basics_11-1024x481-1.png 1024w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Basics_11-1024x481-1-300x141.png 300w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Basics_11-1024x481-1-18x8.png 18w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>ii.\u73ed\u7ea7<\/strong><\/h4>\n\n\n\n<p>\u5728 CSS \u9009\u62e9\u5668\u4e2d\uff0c\u7c7b\u9009\u62e9\u6d89\u53ca\u6839\u636e\u6307\u5b9a\u7684\u7c7b\u5c5e\u6027\u6765\u9009\u62e9 HTML \u5143\u7d20\u3002\u901a\u8fc7 class \u5c5e\u6027\uff0c\u53ef\u4ee5\u5bf9\u4e00\u4e2a\u6216\u591a\u4e2a\u5143\u7d20\u5e94\u7528\u7279\u5b9a\u7684\u7c7b\u540d\u3002\u6b64\u5916\uff0c\u5728 CSS \u6837\u5f0f\u6216 JavaScript \u4e2d\uff0c\u5b83\u8fd8\u53ef\u4ee5\u5e94\u7528\u4e8e\u5177\u6709\u8be5\u7c7b\u522b\u7684\u6240\u6709\u5143\u7d20\u3002\u7c7b \"\u540d\u79f0\u7684\u4f8b\u5b50\u5305\u62ec\u6309\u94ae\u3001\u8868\u5355\u5143\u7d20\u3001\u5bfc\u822a\u83dc\u5355\u3001\u7f51\u683c\u5e03\u5c40\u7b49\u3002&nbsp;<\/p>\n\n\n\n<p><strong>\u4f8b\u5982<\/strong> \u4ee5\u4e0b CSS \u9009\u62e9\u5668\uff1a\"highlight \"\u5c06\u9009\u62e9\u6240\u6709 class \u5c5e\u6027\u8bbe\u7f6e\u4e3a \"highlight \"\u7684\u5143\u7d20\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Examples_028.00.png\"><img decoding=\"async\" loading=\"lazy\" width=\"807\" height=\"158\" src=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Examples_028.00.png\" alt=\"\u7f51\u7edc\u6293\u53d6\u793a\u4f8b\" class=\"wp-image-22257\" srcset=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Examples_028.00.png 807w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Examples_028.00-300x59.png 300w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Examples_028.00-18x4.png 18w\" sizes=\"(max-width: 807px) 100vw, 807px\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Examples_028.09.png\"><img decoding=\"async\" loading=\"lazy\" width=\"807\" height=\"185\" src=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Examples_028.09.png\" alt=\"\u7f51\u7edc\u6293\u53d6\u793a\u4f8b\" class=\"wp-image-22258\" srcset=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Examples_028.09.png 807w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Examples_028.09-300x69.png 300w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Examples_028.09-18x4.png 18w\" sizes=\"(max-width: 807px) 100vw, 807px\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Basics_10.png\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"464\" src=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Basics_10-1024x464.png\" alt=\"CSS \u9009\u62e9\u5668\" class=\"wp-image-17276\" srcset=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Basics_10-1024x464.png 1024w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Basics_10-300x136.png 300w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Basics_10-18x8.png 18w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Basics_10.png 1440w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption class=\"wp-element-caption\"><em>\u7167\u7247\u6765\u81ea <a href=\"https:\/\/html-css-js.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">HTML-CSS-JS<\/a><\/em><\/figcaption><\/figure>\n\n\n\n<p><strong>\u771f\u5b9e\u6848\u4f8b&nbsp;<\/strong>\u624b\u52a8\u641c\u7d22\u73ed\u7ea7\u3002&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Basics_4-1024x507-1.png\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"507\" src=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Basics_4-1024x507-1.png\" alt=\"\u7f51\u7edc\u641c\u522e\u57fa\u7840\u77e5\u8bc6\" class=\"wp-image-22033\" srcset=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Basics_4-1024x507-1.png 1024w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Basics_4-1024x507-1-300x149.png 300w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Basics_4-1024x507-1-18x9.png 18w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>iii.ID \u9650\u5236\u3002<\/strong><\/h4>\n\n\n\n<p>ID \u7ea6\u675f\u6709\u52a9\u4e8e\u6839\u636e HTML \u5143\u7d20\u7684\u552f\u4e00 ID \u5c5e\u6027\u9009\u62e9\u8be5\u5143\u7d20\u3002ID \u5c5e\u6027\u7528\u4e8e\u552f\u4e00\u6807\u8bc6\u7f51\u9875\u4e0a\u7684\u5355\u4e2a\u5143\u7d20\u3002\u4e0e\u53ef\u7528\u4e8e\u591a\u4e2a\u5143\u7d20\u7684\u7c7b\u4e0d\u540c\uff0cID \u5728\u7f51\u9875\u4e2d\u5e94\u8be5\u662f\u552f\u4e00\u7684\u3002&nbsp;<\/p>\n\n\n\n<p><strong>\u4f8b\u5982 <\/strong>CSS \u9009\u62e9\u5668 \"#header \"\u5c06\u9009\u62e9 ID \u5c5e\u6027\u8bbe\u7f6e\u4e3a \"header \"\u7684\u5143\u7d20\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Examples_028.22.png\"><img decoding=\"async\" loading=\"lazy\" width=\"805\" height=\"159\" src=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Examples_028.22.png\" alt=\"\u7f51\u7edc\u6293\u53d6\u793a\u4f8b\" class=\"wp-image-22259\" srcset=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Examples_028.22.png 805w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Examples_028.22-300x59.png 300w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Examples_028.22-18x4.png 18w\" sizes=\"(max-width: 805px) 100vw, 805px\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Examples_028.46.png\"><img decoding=\"async\" loading=\"lazy\" width=\"807\" height=\"132\" src=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Examples_028.46.png\" alt=\"\u7f51\u7edc\u6293\u53d6\u793a\u4f8b\" class=\"wp-image-22260\" srcset=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Examples_028.46.png 807w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Examples_028.46-300x49.png 300w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Examples_028.46-18x3.png 18w\" sizes=\"(max-width: 807px) 100vw, 807px\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Basics_2.png\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"472\" src=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Basics_2-1024x472.png\" alt=\"CSS \u9009\u62e9\u5668\" class=\"wp-image-17268\" srcset=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Basics_2-1024x472.png 1024w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Basics_2-300x138.png 300w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Basics_2-18x8.png 18w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Basics_2.png 1438w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption class=\"wp-element-caption\"><em>\u7167\u7247\u6765\u81ea <a href=\"https:\/\/html-css-js.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">HTML-CSS-JS<\/a><\/em><\/figcaption><\/figure>\n\n\n\n<p><strong>\u771f\u5b9e\u6848\u4f8b<\/strong> \u624b\u52a8\u641c\u7d22 ID\u3002\u627e\u5230 #01 \u540e\uff0c\u60a8\u9700\u8981\u627e\u5230 id=\"01<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/finding-markers.png\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"520\" src=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/finding-markers.png\" alt=\"\u641c\u7d22 ID\" class=\"wp-image-22473\" srcset=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/finding-markers.png 1024w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/finding-markers-300x152.png 300w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/finding-markers-18x9.png 18w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>iv.\u5c5e\u6027\u5339\u914d\u3002<\/strong><\/h4>\n\n\n\n<p>\u8fd9\u79cd\u6280\u672f\u662f\u6839\u636e\u7279\u5b9a\u5c5e\u6027\u53ca\u5176\u503c\u6765\u9009\u62e9 HTML \u5143\u7d20\u3002\u5b83\u53ef\u4ee5\u8ba9\u4f60\u9501\u5b9a\u5177\u6709\u7279\u5b9a\u5c5e\u6027\u6216\u5c5e\u6027\u503c\u7684\u5143\u7d20\u3002\u5c5e\u6027\u5339\u914d\u6709\u591a\u79cd\u7c7b\u578b\uff0c\u5982\u7cbe\u786e\u5339\u914d\u3001\u5b50\u4e32\u5339\u914d\u7b49\u3002<\/p>\n\n\n\n<p><strong>\u4f8b\u5982 <\/strong>\u4e0b\u9762\u7684\u793a\u4f8b\u663e\u793a\u4e86\u4e00\u4e2a\u540d\u4e3a\u6570\u636e\u7c7b\u578b\u7684\u81ea\u5b9a\u4e49\u5c5e\u6027\u3002\u8981\u5b9a\u4f4d\u6216\u6837\u5f0f\u5316\u67d0\u4e9b\u9879\u76ee\uff08\u4f8b\u5982\u6807\u8bb0\u4e3a \"\u6c34\u679c \"\u7684\u5217\u8868\u9879\u76ee\uff09\uff0c\u53ef\u4ee5\u4f7f\u7528 CSS \u9009\u62e9\u5668\uff0c\u6839\u636e\u5c5e\u6027\u503c\u9009\u62e9\u5143\u7d20\u3002<\/p>\n\n\n\n<p>\u8981\u53ea\u6293\u53d6\u6807\u8bb0\u4e3a \"\u6c34\u679c \"\u7684\u9879\u76ee\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e0b\u9762\u7684 CSS \u9009\u62e9\u5668\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Examples_029.16.png\"><img decoding=\"async\" loading=\"lazy\" width=\"807\" height=\"134\" src=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Examples_029.16.png\" alt=\"\u7f51\u7edc\u6293\u53d6\u793a\u4f8b\" class=\"wp-image-22262\" srcset=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Examples_029.16.png 807w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Examples_029.16-300x50.png 300w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Examples_029.16-18x3.png 18w\" sizes=\"(max-width: 807px) 100vw, 807px\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Basics_6.png\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"436\" src=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Basics_6-1024x436.png\" alt=\"CSS \u9009\u62e9\u5668\" class=\"wp-image-17272\" srcset=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Basics_6-1024x436.png 1024w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Basics_6-300x128.png 300w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Basics_6-18x8.png 18w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Basics_6.png 1413w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<p><strong>\u771f\u5b9e\u6848\u4f8b<\/strong> \u624b\u52a8\u641c\u7d22\u5c5e\u6027&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/data-type.png\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"487\" src=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/data-type.png\" alt=\"\u641c\u7d22\u5c5e\u6027\" class=\"wp-image-22334\" srcset=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/data-type.png 1024w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/data-type-300x143.png 300w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/data-type-18x9.png 18w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">c.Xpath \u9009\u62e9\u5668\uff1a<\/h3>\n\n\n\n<p>CSS \u9009\u62e9\u5668\u975e\u5e38\u9002\u5408 HTML \u7ed3\u6784\u76f8\u5bf9\u7b80\u5355\u7684\u76f4\u63a5\u7f51\u7edc\u641c\u522e\u4efb\u52a1\u3002\u4f46\u5f53 HTML \u7ed3\u6784\u53d8\u5f97\u66f4\u52a0\u9519\u7efc\u590d\u6742\u65f6\uff0c\u5c31\u6709\u4e86\u53e6\u4e00\u79cd\u89e3\u51b3\u65b9\u6848\uff1aXPath \u9009\u62e9\u5668\u3002&nbsp;<\/p>\n\n\n\n<p><strong><a href=\"https:\/\/www.w3schools.com\/xml\/xpath_syntax.asp\" target=\"_blank\" rel=\"noreferrer noopener\">XPath \u9009\u62e9\u5668\uff08XML \u8def\u5f84\u8bed\u8a00\u9009\u62e9\u5668\uff09<\/a> \u662f\u4e00\u79cd\u7075\u6d3b\u7684\u8def\u5f84\u8bed\u8a00\uff0c\u7528\u4e8e\u6d4f\u89c8 XML \u6216 HTML \u6587\u6863\u4e2d\u7684\u5143\u7d20\u3002 <\/strong>\u5b83\u4eec\u6709\u52a9\u4e8e\u6839\u636e\u4f4d\u7f6e\u3001\u540d\u79f0\u3001\u5c5e\u6027\u6216\u5185\u5bb9\u9009\u62e9 HTML \u4ee3\u7801\u4e2d\u7684\u7279\u5b9a\u8282\u70b9\u3002XPath \u9009\u62e9\u5668\u8fd8\u53ef\u7528\u4e8e\u6839\u636e\u5143\u7d20\u7684\u7c7b\u548c ID \u5c5e\u6027\u9009\u62e9\u5143\u7d20\u3002<\/p>\n\n\n\n<p><strong>\u4e0b\u9762\u662f\u4e09\u4e2a\u7528\u4e8e\u7f51\u7edc\u641c\u7d22\u7684 XPath \u9009\u62e9\u5668\u793a\u4f8b\u3002<\/strong><\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>i.\u4f8b 1\uff1aXPath \u8868\u8fbe\u5f0f\uff1a' \/\/a<\/strong><\/h4>\n\n\n\n<p>XPath \u8868\u8fbe\u5f0f\"\/\/a \"\u4f1a\u9009\u62e9\u9875\u9762\u4e0a\u7684\u6240\u6709\"<a>\"\u5143\u7d20\uff0c\u65e0\u8bba\u5b83\u4eec\u5728\u6587\u6863\u4e2d\u7684\u4f4d\u7f6e\u5982\u4f55\u3002\u4e0b\u9762\u7684\u622a\u56fe\u663e\u793a\u4e86\u624b\u52a8\u5b9a\u4f4d\u9875\u9762\u4e0a\u6240\u6709\"<a>\"\u5143\u7d20\u7684\u8fc7\u7a0b\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/scraping-links.png\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"494\" src=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/scraping-links.png\" alt=\"\u9875\u9762\u4e0a\u7684\u5143\u7d20\" class=\"wp-image-22425\" srcset=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/scraping-links.png 1024w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/scraping-links-300x145.png 300w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/scraping-links-18x9.png 18w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>ii.\u4f8b 2\uff1a\"\/\/h2[1]\/text()<\/strong><\/h4>\n\n\n\n<p>XPath \u8868\u8fbe\u5f0f<\/p>\n\n\n\n<p><strong>' \/\/h2[1]\/text() '<\/strong><\/p>\n\n\n\n<p>\u5b83\u5c06\u9009\u62e9\u9875\u9762\u4e0a\u7b2c\u4e00\u4e2a h2 \u6807\u9898\u7684\u6587\u672c\u5185\u5bb9\u3002\u7d22\u5f15'[1]'\u7528\u4e8e\u6307\u5b9a\u7b2c\u4e00\u4e2a\u51fa\u73b0\u7684 h2 \u5143\u7d20\uff0c\u4e5f\u53ef\u4ee5\u7528\u7d22\u5f15'[2]'\u6307\u5b9a\u7b2c\u4e8c\u4e2a\u51fa\u73b0\u7684 h2 \u5143\u7d20\uff0c\u4ee5\u6b64\u7c7b\u63a8\u3002\u4e0b\u9762\u7684\u622a\u56fe\u663e\u793a\u4e86\u4f7f\u7528\u6b64 XPath \u9009\u62e9\u5668\u624b\u52a8\u5b9a\u4f4d\u9875\u9762\u4e0a\u7b2c\u4e00\u4e2a\u6807\u9898 h2 \u7684\u8fc7\u7a0b\u3002&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/finding-headings.png\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"512\" src=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/finding-headings.png\" alt=\"xpath \u9009\u62e9\u5668 - \u6807\u9898\" class=\"wp-image-22376\" srcset=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/finding-headings.png 1024w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/finding-headings-300x150.png 300w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/finding-headings-18x9.png 18w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>iii.\u4f8b 3.' \/\/* [@data-type=\"form\"]'<\/strong><\/h4>\n\n\n\n<p>XPath \u8868\u8fbe\u5f0f ` \/\/* [@data-type=\"form\"]` \u9009\u62e9\u6570\u636e\u5c5e\u6027\u503c\u4e3a \"form \"\u7684\u6240\u6709\u5143\u7d20\u3002\u7b26\u53f7 `*` \u8868\u793a\u5c06\u9009\u62e9\u4efb\u4f55\u5177\u6709\u6307\u5b9a\u6570\u636e\u5c5e\u6027\u7684\u5143\u7d20\uff0c\u65e0\u8bba\u5176\u8282\u70b9\u540d\u79f0\u5982\u4f55\u3002\u4e0b\u9762\u7684\u622a\u56fe\u663e\u793a\u4e86\u624b\u52a8\u67e5\u627e\u503c\u4e3a \"form \"\u7684\u5143\u7d20\u7684\u8fc7\u7a0b\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Basics_5-1024x479-1.png\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"479\" src=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Basics_5-1024x479-1.png\" alt=\"\u7f51\u7edc\u641c\u522e\u57fa\u7840\u77e5\u8bc6\" class=\"wp-image-22011\" srcset=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Basics_5-1024x479-1.png 1024w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Basics_5-1024x479-1-300x140.png 300w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Basics_5-1024x479-1-18x8.png 18w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<p>\u4f7f\u7528\u8fd9\u4e9b CSS \u548c XPath \u9009\u62e9\u5668\u4ece HTML \u9875\u9762\u624b\u52a8\u76ee\u6d4b\u548c\u63d0\u53d6\u6570\u636e\u4e0d\u4ec5\u8017\u65f6\uff0c\u800c\u4e14\u5bb9\u6613\u51fa\u9519\u3002\u6b64\u5916\uff0c\u624b\u52a8\u6216\u53ef\u89c6\u5316\u63d0\u53d6\u6570\u636e\u5b8c\u5168\u4e0d\u9002\u5408\u5927\u89c4\u6a21\u6570\u636e\u6536\u96c6\u6216\u91cd\u590d\u6027\u522e\u64e6\u4efb\u52a1\u3002\u8fd9\u6b63\u662f\u811a\u672c\u548c\u7f16\u7a0b\u7684\u4f18\u52bf\u6240\u5728\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading has-text-align-center\"><strong>\u4f7f\u7528 RapidSeedbox \u5feb\u901f\u3001\u5b89\u5168\u548c\u533f\u540d\u7684\u4ee3\u7406\u670d\u52a1\u5668\uff0c\u63d0\u9ad8\u60a8\u7684\u7f51\u7edc\u641c\u522e\u80fd\u529b\u3002<\/strong><\/h4>\n\n\n\n<div class=\"wp-block-group is-layout-constrained\"><div class=\"wp-block-group__inner-container\">\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-2\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-background wp-element-button\" href=\"https:\/\/www.rapidseedbox.com\/zh\/proxy\/?blog=web-scraping\" style=\"background-color:#22c55e\"><strong>\u5f00\u59cb\u626b\u63cf\uff01<\/strong><\/a><\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u54ea\u4e9b\u7f16\u7a0b\u8bed\u8a00\u6700\u9002\u5408\u7f51\u7edc\u641c\u7d22\uff1f <\/strong><\/h4>\n\n\n\n<p><strong>\u7531\u4e8e Python \u5e93\u548c\u8f6f\u4ef6\u5305\u7684\u5b58\u5728\uff0c\u5b83\u662f\u6700\u6d41\u884c\u7684\u522e\u64e6\u7f16\u7a0b\u8bed\u8a00\uff08\u4e0b\u4e00\u8282\u5c06\u8be6\u7ec6\u4ecb\u7ecd\uff09\u3002 <a href=\"https:\/\/www.rapidseedbox.com\/blog\/web-scraping-with-r\" target=\"_blank\" rel=\"noreferrer noopener\">\u7f51\u7edc\u641c\u7d22\u662f R<\/a>\u56e0\u4e3a\u5b83\u4e5f\u6709\u4e00\u5957\u975e\u5e38\u68d2\u7684\u652f\u6301\u5e93\u548c\u6846\u67b6\u3002<\/strong> \u6b64\u5916\uff0c\u503c\u5f97\u4e00\u63d0\u7684\u8fd8\u6709 C#\uff0c\u8fd9\u662f\u4e00\u79cd\u6d41\u884c\u7684\u7f16\u7a0b\u8bed\u8a00\uff0c\u8bb8\u591a\u7f51\u7edc\u522e\u522e\u5361\u90fd\u4f7f\u7528\u8fd9\u79cd\u8bed\u8a00\u3002ZenRows \u7b49\u7f51\u7ad9\u6709\u5173\u4e8e\u4ee5\u4e0b\u65b9\u9762\u7684\u7efc\u5408\u6307\u5357 <strong><a href=\"https:\/\/www.zenrows.com\/blog\/web-scraping-c-sharp\" target=\"_blank\" rel=\"noreferrer noopener\">\u5982\u4f55\u5728 C# \u4e2d\u522e\u64e6\u7f51\u7ad9<\/a><\/strong>\u8fd9\u4f7f\u5f00\u53d1\u4eba\u5458\u66f4\u5bb9\u6613\u4e86\u89e3\u6d41\u7a0b\u5e76\u5f00\u59cb\u81ea\u5df1\u7684\u9879\u76ee\u3002<\/p>\n\n\n\n<p>\u4e3a\u7b80\u5355\u8d77\u89c1\uff0c\u672c\u7f51\u7edc\u641c\u7d22\u6307\u5357\u5c06\u91cd\u70b9\u4ecb\u7ecd\u4f7f\u7528 Python \u8fdb\u884c\u7f51\u7edc\u641c\u7d22\u3002\u8bf7\u7ee7\u7eed\u9605\u8bfb\uff01<\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"03\">3.\u7528 Python \u8fdb\u884c\u7f51\u7edc\u6293\u53d6\uff08\u9644\u4ee3\u7801\uff09\u3002<\/h2>\n\n\n\n<p><strong>\u65e2\u7136\u53ef\u4ee5\u901a\u8fc7\u7f16\u7a0b\u8bed\u8a00\u7cfb\u7edf\u5730\u81ea\u52a8\u4f7f\u7528 CSS \u9009\u62e9\u5668\u6216 XPath \u9009\u62e9\u5668\uff0c\u4e3a\u4ec0\u4e48\u8fd8\u8981\u4f7f\u7528 CSS \u9009\u62e9\u5668\u6216 XPath \u9009\u62e9\u5668\u5bf9 HTML \u6570\u636e\u8fdb\u884c\u76ee\u89c6\u68c0\u67e5\u548c\u624b\u52a8\u63d0\u53d6\u5462\uff1f  <\/strong><\/p>\n\n\n\n<p>\u6709\u8bb8\u591a\u6d41\u884c\u7684\u7f51\u7edc\u641c\u522e\u5e93\u548c\u6846\u67b6\u90fd\u652f\u6301 CSS \u9009\u62e9\u5668\uff0c\u4ee5\u4fbf\u66f4\u8f7b\u677e\u5730\u63d0\u53d6\u6570\u636e\u3002\u6700\u6d41\u884c\u7684\u7f51\u7edc\u641c\u522e\u7f16\u7a0b\u8bed\u8a00\u4e4b\u4e00\u662f <a href=\"https:\/\/www.python.org\/\" target=\"_blank\" rel=\"noreferrer noopener\">Python<\/a>\u5176\u56fe\u4e66\u9986\uff0c\u5982 <a href=\"https:\/\/www.crummy.com\/software\/BeautifulSoup\/bs4\/doc\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u7f8e\u4e3d\u6c64<\/a>, <a href=\"https:\/\/pypi.org\/project\/requests\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u8981\u6c42<\/a>, <a href=\"https:\/\/cssselect.readthedocs.io\/en\/latest\/\" target=\"_blank\" rel=\"noreferrer noopener\">CSS \u9009\u62e9<\/a>, <a href=\"https:\/\/pypi.org\/project\/selenium\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u7852<\/a>\uff0c\u548c <a href=\"https:\/\/scrapy.org\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u5e9f\u6599<\/a>. <strong>\u8fd9\u4e9b\u5e93\u4f7f\u7f51\u7edc\u522e\u64e6\u7a0b\u5e8f\u80fd\u591f\u5229\u7528 CSS \u548c XPath \u9009\u62e9\u5668\u9ad8\u6548\u5730\u63d0\u53d6\u6570\u636e\u3002<\/strong> <\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u7f8e\u4e3d\u6c64&nbsp;<\/strong><\/h4>\n\n\n\n<p>BeautifulSoup \u662f\u4e13\u4e3a\u89e3\u6790 HTML \u548c XML \u6587\u6863\u800c\u8bbe\u8ba1\u7684\u6700\u6d41\u884c\u3001\u529f\u80fd\u6700\u5f3a\u5927\u7684 Python \u8f6f\u4ef6\u5305\u4e4b\u4e00\u3002\u8be5\u8f6f\u4ef6\u5305\u53ef\u521b\u5efa\u7f51\u9875\u7684\u89e3\u6790\u6811\uff0c\u8ba9\u60a8\u8f7b\u677e\u5730\u4ece HTML \u4e2d\u63d0\u53d6\u6570\u636e\u3002&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong><em>\u6709\u8da3\u7684\u4e8b\u5b9e\uff01 <\/em><\/strong><em>\u5728\u6297\u51fb COVID-19 \u7684\u6597\u4e89\u4e2d\u3001 <\/em><a href=\"https:\/\/github.com\/BlankerL\/DXY-COVID-19-Crawler\/blob\/master\/service\/crawler.py\" target=\"_blank\" rel=\"noreferrer noopener\"><em>\u6797\u5bb6\u5b9d\u7684 DXY-COVID-19-Crawler<\/em><\/a><em> \u4f7f\u7528 BeautifulSoup \u4ece\u4e00\u4e2a\u4e2d\u56fd\u533b\u7597\u7f51\u7ad9\u4e0a\u63d0\u53d6\u6709\u4ef7\u503c\u7684\u6570\u636e\u3002\u8fd9\u6837\u505a\u6709\u52a9\u4e8e\u7814\u7a76\u4eba\u5458\u76d1\u6d4b\u548c\u4e86\u89e3\u75c5\u6bd2\u7684\u4f20\u64ad\u60c5\u51b5\u3002[<a href=\"https:\/\/www.crummy.com\/software\/BeautifulSoup\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u8d44\u6599\u6765\u6e90<\/a>]<\/em><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u8bf7\u6c42\u3002&nbsp;<\/strong><\/h4>\n\n\n\n<p>Python \u7684 <a href=\"https:\/\/pypi.org\/project\/requests\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u8981\u6c42<\/a> \u662f\u4e00\u4e2a\u7b80\u5355\u4f46\u529f\u80fd\u5f3a\u5927\u7684 HTTP \u5e93\u3002\u5b83\u53ef\u7528\u4e8e\u53d1\u51fa HTTP \u8bf7\u6c42\uff0c\u4ece\u7f51\u7ad9\u4e0a\u83b7\u53d6\u6570\u636e\u3002\"Requests \"\u7b80\u5316\u4e86\u5728\u7f51\u7edc\u641c\u522e Python \u9879\u76ee\u4e2d\u53d1\u9001 HTTP \u8bf7\u6c42\u548c\u5904\u7406\u54cd\u5e94\u7684\u8fc7\u7a0b\u3002&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">a.\u4f7f\u7528 Python \u8fdb\u884c\u7f51\u7edc\u6293\u53d6\u7684\u6559\u7a0b\uff08+ \u4ee3\u7801\uff09<\/h3>\n\n\n\n<p>\u5728\u672c\u6559\u7a0b\u4e2d\uff0c\u6211\u4eec\u5c06\u4f7f\u7528 Python \u4ee3\u7801\u4e2d\u7684 \"requests \"\u548c BeautifulSoup \u5e93\u4ece\u76ee\u6807 HTML \u7f51\u7ad9\u83b7\u53d6\u6570\u636e\u3002&nbsp;<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u5148\u51b3\u6761\u4ef6<\/strong><\/h4>\n\n\n\n<p>\u786e\u4fdd\u6ee1\u8db3\u4ee5\u4e0b\u524d\u63d0\u6761\u4ef6\uff1a<\/p>\n\n\n\n<ul>\n<li><strong>Python \u73af\u5883\uff1a<\/strong> \u786e\u4fdd\u60a8\u6709 <a href=\"https:\/\/www.python.org\/\" target=\"_blank\" rel=\"noreferrer noopener\">Python<\/a> \u5b89\u88c5\u5728\u60a8\u7684\u8ba1\u7b97\u673a\u4e0a\u3002\u6b64\u5916\uff0c\u8bf7\u786e\u4fdd\u60a8\u80fd\u5728\u9996\u9009\u7684 Python \u73af\u5883\u4e2d\u8fd0\u884c\u811a\u672c\uff08\u4f8b\u5982\uff0c......\uff09\u3001 <a href=\"https:\/\/docs.python.org\/es\/3\/library\/idle.html\" target=\"_blank\" rel=\"noreferrer noopener\">\u7a7a\u95f2<\/a> \u6216 <a href=\"https:\/\/jupyter.org\/\" target=\"_blank\" rel=\"noreferrer noopener\">Jupyter \u7b14\u8bb0\u672c<\/a>).&nbsp;<\/li>\n\n\n\n<li><strong>\u8bf7\u6c42\u56fe\u4e66\u9986\uff1a<\/strong> \u5b89\u88c5 `requests` \u5e93\u3002\u5b83\u7528\u4e8e\u5411\u6307\u5b9a URL \u53d1\u9001 HTTP GET \u8bf7\u6c42\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528 `pip` \u5728\u547d\u4ee4\u63d0\u793a\u7b26\u6216\u7ec8\u7aef\u8fd0\u884c `pip install requests` \u6765\u5b89\u88c5\u5b83\u3002<\/li>\n\n\n\n<li><strong>BeautifulSoup \u56fe\u4e66\u9986\uff1a <\/strong>\u5b89\u88c5 `beautifulsoup4` \u5e93\u3002\u53ef\u4f7f\u7528 `pip` \u5728\u7ec8\u7aef\u8fd0\u884c `pip install beautifulsoup4` \u8fdb\u884c\u5b89\u88c5\u3002<\/li>\n<\/ul>\n\n\n\n<p><strong>\u4ece\u7f51\u9875\u4e2d\u6293\u53d6\u6570\u636e\u7684 Python \u4ee3\u7801\uff08\u4f7f\u7528 BeautifulSoup\uff09<\/strong><\/p>\n\n\n\n<p>\u4e0b\u9762\u7684\u811a\u672c\u5c06\u83b7\u53d6\u6307\u5b9a\u7684 URL\uff0c\u4f7f\u7528 BeautifulSoup \u89e3\u6790 HTML \u5185\u5bb9\uff0c\u5e76\u6253\u5370\u7f51\u9875\u4e0a\u70ed\u95e8\u65b0\u95fb\u6587\u7ae0\u7684\u6807\u9898\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Examples_029.56.png\"><img decoding=\"async\" loading=\"lazy\" width=\"808\" height=\"568\" src=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Examples_029.56.png\" alt=\"\u7f51\u7edc\u6293\u53d6\u793a\u4f8b\" class=\"wp-image-22263\" srcset=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Examples_029.56.png 808w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Examples_029.56-300x211.png 300w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Examples_029.56-18x12.png 18w\" sizes=\"(max-width: 808px) 100vw, 808px\" \/><\/a><\/figure>\n\n\n\n<p>\u5728 IDLE Shell \u4e0a\u8fd0\u884c\u8be5\u811a\u672c\u65f6\uff0c\u5c4f\u5e55\u4f1a\u6253\u5370\u51fa\u4ece\u76ee\u6807\u7f51\u7ad9\u6536\u96c6\u5230\u7684\u6240\u6709 \"news_titles\"\u3002 <\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/script-on-idle-shell-1.png\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"512\" src=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/script-on-idle-shell-1-1024x512.png\" alt=\"\u5728 IDLE shell \u4e0a\u8fd0\u884c\u811a\u672c\" class=\"wp-image-28662\" srcset=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/script-on-idle-shell-1-1024x512.png 1024w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/script-on-idle-shell-1-300x150.png 300w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/script-on-idle-shell-1-18x9.png 18w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/script-on-idle-shell-1.png 1365w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">b.\u5bf9\u6211\u4eec\u7684 Python \u4ee3\u7801\u8fdb\u884c\u6539\u52a8\uff0c\u4ee5\u4fbf\u8fdb\u884c\u7f51\u7edc\u641c\u7d22\u3002&nbsp;<\/h3>\n\n\n\n<p>\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4e4b\u524d\u7684\u7f51\u7edc\u641c\u522e Python \u4ee3\u7801\uff0c\u5e76\u8fdb\u884c\u4e00\u4e9b\u6539\u52a8\uff0c\u4ee5\u641c\u522e\u4e0d\u540c\u7c7b\u578b\u7684\u6570\u636e\u3002&nbsp;<\/p>\n\n\n\n<p><strong>\u4f8b\u5982&nbsp;<\/strong><\/p>\n\n\n\n<ul>\n<li><strong>\u5bfb\u627e\u56fe\u50cf <\/strong>\u8981\u67e5\u627e\u7f51\u9875\u4e0a\u7684\u6240\u6709\u56fe\u50cf\u6807\u8bb0\uff08<img>\uff09\uff0c\u53ef\u4ee5\u4f7f\u7528\u5e26\u6709\u6807\u8bb0\u540d \"img \"\u7684 find_all() \u65b9\u6cd5\uff1a<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Examples_030.21.png\"><img decoding=\"async\" loading=\"lazy\" width=\"805\" height=\"208\" src=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Examples_030.21.png\" alt=\"\u7f51\u7edc\u6293\u53d6\u793a\u4f8b\" class=\"wp-image-22264\" srcset=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Examples_030.21.png 805w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Examples_030.21-300x78.png 300w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Examples_030.21-18x5.png 18w\" sizes=\"(max-width: 805px) 100vw, 805px\" \/><\/a><\/figure>\n\n\n\n<ul>\n<li><strong>\u5bfb\u627e\u94fe\u63a5\uff1a <\/strong>\u8981\u67e5\u627e\u7f51\u9875\u4e0a\u4ee3\u8868\u94fe\u63a5\u7684\u6240\u6709\u951a\u6807\u8bb0\uff08<a>\uff09\uff0c\u53ef\u4ee5\u4f7f\u7528\u6807\u8bb0\u540d\u4e3a \"a \"\u7684 find_all() \u65b9\u6cd5\uff1a<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Examples_030.28.png\"><img decoding=\"async\" loading=\"lazy\" width=\"806\" height=\"210\" src=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Examples_030.28.png\" alt=\"\u7f51\u7edc\u6293\u53d6\u793a\u4f8b\" class=\"wp-image-22265\" srcset=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Examples_030.28.png 806w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Examples_030.28-300x78.png 300w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Web_Scraping_Examples_030.28-18x5.png 18w\" sizes=\"(max-width: 806px) 100vw, 806px\" \/><\/a><\/figure>\n\n\n\n<p>\u6240\u63d0\u4f9b\u7684\u811a\u672c\uff08\u53ca\u5176\u53d8\u4f53\uff09\u662f\u4e00\u4e2a\u57fa\u672c\u7684\u7f51\u7edc\u641c\u7d22\u811a\u672c\u3002\u5b83\u53ea\u9700\u4ece\u6307\u5b9a\u7684 URL \u4e2d\u63d0\u53d6\u5e76\u6253\u5370\u70ed\u95e8\u65b0\u95fb\u6587\u7ae0\u7684\u6807\u9898\u3002\u4f46\u9057\u61be\u7684\u662f\uff0c\u8fd9\u4e2a\u7b80\u5355\u7684\u811a\u672c\u7f3a\u4e4f\u6784\u6210\u66f4\u5168\u9762\u7684\u7f51\u7edc\u641c\u7d22\u9879\u76ee\u7684\u8bb8\u591a\u529f\u80fd\u3002 <strong><em>\u60a8\u53ef\u80fd\u9700\u8981\u8003\u8651\u6dfb\u52a0\u6570\u636e\u5b58\u50a8\u3001\u9519\u8bef\u5904\u7406\u3001\u5206\u9875\/\u6293\u53d6\u3001\u7528\u6237\u4ee3\u7406\u548c\u6807\u9898\u4f7f\u7528\u3001\u8282\u6d41\u548c\u793c\u8c8c\u63aa\u65bd\u4ee5\u53ca\u5904\u7406\u52a8\u6001\u5185\u5bb9\u7684\u80fd\u529b\u7b49\u51e0\u4e2a\u8981\u7d20\u3002<\/em><\/strong>&nbsp;<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"06\">4.\u7f51\u7edc\u6293\u53d6\u5408\u6cd5\u5417\uff1f&nbsp;<\/h2>\n\n\n\n<p>\u7f51\u7edc\u641c\u7d22\u901a\u5e38\u88ab\u8ba4\u4e3a\u662f\u6709\u4e89\u8bae\u7684\u6216\u975e\u6cd5\u7684\u3002\u4f46\u5b9e\u9645\u4e0a\uff0c\u8fd9\u662f\u4e00\u79cd\u5408\u6cd5\u7684\u505a\u6cd5\uff0c\u5982\u679c\u9075\u5b88\u4e00\u5b9a\u7684\u9053\u5fb7\u548c\u6cd5\u5f8b\u754c\u9650\uff0c\u7f51\u7edc\u641c\u7d22\u662f\u5b8c\u5168\u5408\u6cd5\u7684\u3002 <\/p>\n\n\n\n<p>\u7f51\u7edc\u641c\u7d22\u7684\u5408\u6cd5\u6027\u53d6\u51b3\u4e8e\u6240\u63d0\u53d6\u6570\u636e\u7684\u6027\u8d28\u548c\u6240\u4f7f\u7528\u7684\u65b9\u6cd5\u3002 <strong>\u4ece\u4e92\u8054\u7f51\u4e0a\u6536\u96c6\u53ef\u516c\u5f00\u83b7\u5f97\u7684\u4fe1\u606f\u65f6\uff0c\u7f51\u7edc\u641c\u7d22\u88ab\u8ba4\u4e3a\u662f\u5408\u6cd5\u7684\u3002 <\/strong>\u4e0d\u8fc7\uff0c\u5728\u5904\u7406\u4e2a\u4eba\u6570\u636e\u6216\u53d7\u7248\u6743\u4fdd\u62a4\u7684\u5185\u5bb9\u65f6\uff0c\u5c24\u5176\u9700\u8981\u8c28\u614e\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u8fd9\u91cc\u6709\u51e0\u4e2a\u8981\u70b9\u9700\u8981\u7262\u8bb0\uff1a<\/strong><\/h3>\n\n\n\n<ul>\n<li><strong>\u8bf7\u52ff\u6293\u53d6\u79c1\u4eba\u6570\u636e\u3002 <\/strong>\u63d0\u53d6\u672a\u516c\u5f00\u7684\u6570\u636e\u4e5f\u662f\u8fdd\u6cd5\u884c\u4e3a\u3002\u5728\u7f8e\u56fd\u3001\u52a0\u62ff\u5927\u548c\u6b27\u6d32\u5927\u90e8\u5206\u56fd\u5bb6\uff0c\u5728\u767b\u5f55\u9875\u9762\uff08\u7528\u6237\u548c\u5bc6\u7801\u767b\u5f55\uff09\u540e\u9762\u6293\u53d6\u6570\u636e\u662f\u8fdd\u6cd5\u884c\u4e3a\u3002&nbsp;<\/li>\n\n\n\n<li><strong>\u5982\u4f55\u5904\u7406\u8fd9\u4e9b\u6570\u636e\u4f1a\u7ed9\u4f60\u5e26\u6765\u9ebb\u70e6\u3002<\/strong> \u5408\u4e4e\u9053\u5fb7\u7684\u7f51\u7edc\u641c\u7d22\u9700\u8981\u6ce8\u610f\u6240\u6536\u96c6\u7684\u6570\u636e\u53ca\u5176\u9884\u671f\u76ee\u7684\u3002\u5e94\u7279\u522b\u6ce8\u610f\u4e2a\u4eba\u6570\u636e\u548c\u77e5\u8bc6\u4ea7\u6743\u3002\u786e\u4fdd\u9075\u5b88 GDPR \u548c CCPA \u7b49\u6709\u5173\u4e2a\u4eba\u6570\u636e\u5904\u7406\u7684\u6cd5\u89c4\u3002\u4f8b\u5982\uff0c\u91cd\u590d\u4f7f\u7528\u6216\u8f6c\u552e\u5185\u5bb9\u6216\u4e0b\u8f7d\u53d7\u7248\u6743\u4fdd\u62a4\u7684\u8d44\u6599\u5747\u5c5e\u8fdd\u6cd5\u884c\u4e3a\uff08\u5e94\u907f\u514d\uff09\u3002<\/li>\n\n\n\n<li><strong>\u67e5\u770b\u7f51\u7ad9\u7684\u670d\u52a1\u6761\u6b3e\u4e5f\u5f88\u91cd\u8981\u3002 <\/strong>\u8fd9\u4e9b\u6587\u4ef6\u6307\u5bfc\u4efb\u4f55\u4f7f\u7528\u5176\u670d\u52a1\u6216\u5185\u5bb9\u7684\u4eba\u5e94\u8be5\u548c\u4e0d\u5e94\u8be5\u5982\u4f55\u4e0e\u8d44\u6e90\u4e92\u52a8\u3002 <\/li>\n\n\n\n<li><strong>\u59cb\u7ec8\u786e\u4fdd\u4f7f\u7528\u5b98\u65b9\u63d0\u4f9b\u7684\u5e94\u7528\u7a0b\u5e8f\u63a5\u53e3\u7b49\u66ff\u4ee3\u65b9\u6cd5\u3002<\/strong> \u4e00\u4e9b\u7f51\u7ad9\uff08\u5982\u653f\u5e9c\u673a\u6784\u3001\u5929\u6c14\u9884\u62a5\u548c\u793e\u4ea4\u5a92\u4f53\u5e73\u53f0\uff09\u901a\u8fc7\u5e94\u7528\u7a0b\u5e8f\u63a5\u53e3\u5411\u516c\u4f17\u5f00\u653e\u90e8\u5206\u6570\u636e\u3002&nbsp;<\/li>\n\n\n\n<li><strong>\u8003\u8651\u68c0\u67e5 robots.txt \u6587\u4ef6\u3002<\/strong> This file is saved on the web server and gives directions to web crawlers and web scraping about what parts of a website to avoid and what parts are authorized. It also gives directions about the <a href=\"https:\/\/www.rapidseedbox.com\/blog\/web-scraping-rate-limiting\" target=\"_blank\" rel=\"noreferrer noopener\">rate limits<\/a>. <\/li>\n\n\n\n<li><strong>\u907f\u514d\u53d1\u8d77\u7f51\u7edc\u522e\u64e6\u653b\u51fb\u3002&nbsp;<\/strong>\u6839\u636e\u4e0a\u4e0b\u6587\u7684\u4e0d\u540c\uff0c\u6709\u65f6\u7f51\u7edc\u522e\u64e6\u4e5f\u88ab\u79f0\u4e3a\u522e\u64e6\u653b\u51fb\u3002\u5f53\u5783\u573e\u90ae\u4ef6\u53d1\u9001\u8005\u4f7f\u7528\u50f5\u5c38\u7f51\u7edc\uff08\u50f5\u5c38\u5927\u519b\uff09\u5411\u7f51\u7ad9\u53d1\u9001\u5927\u91cf\u5feb\u901f\u8bf7\u6c42\u65f6\uff0c\u6574\u4e2a\u7f51\u7ad9\u7684\u670d\u52a1\u53ef\u80fd\u4f1a\u762b\u75ea\u3002\u5927\u89c4\u6a21\u6570\u636e\u641c\u522e\u53ef\u80fd\u5bfc\u81f4\u6574\u4e2a\u7f51\u7ad9\u762b\u75ea\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u6709\u5173\u7f51\u7edc\u641c\u7d22\u6cd5\u5f8b\u95ee\u9898\u7684\u6700\u65b0\u6d88\u606f\u3002<\/strong><\/h3>\n\n\n\n<p><strong> <\/strong>\u6700\u8fd1\u7684\u6cd5\u5f8b\u88c1\u51b3\u660e\u786e\u6307\u51fa\uff0c\u4e00\u822c\u6765\u8bf4\uff0c\u522e\u64e6\u53ef\u516c\u5f00\u83b7\u53d6\u7684\u6570\u636e\u4e0d\u88ab\u89c6\u4e3a\u8fdd\u6cd5\u884c\u4e3a\u3002\u7f8e\u56fd\u4e0a\u8bc9\u6cd5\u9662\u505a\u51fa\u7684\u4e00\u9879\u5177\u6709\u91cc\u7a0b\u7891\u610f\u4e49\u7684\u88c1\u51b3\u91cd\u7533\u4e86\u7f51\u7edc\u641c\u522e\u7684\u5408\u6cd5\u6027\uff0c\u6307\u51fa\u5728\u4e92\u8054\u7f51\u4e0a\u641c\u522e\u53ef\u516c\u5f00\u8bbf\u95ee\u7684\u6570\u636e\u5e76\u4e0d\u8fdd\u53cd\u300a\u8ba1\u7b97\u673a\u6b3a\u8bc8\u548c\u6ee5\u7528\u6cd5\u300b\uff08CFAA\uff09[\u8d44\u6599\u6765\u6e90\uff1a\u7f8e\u56fd\u4e0a\u8bc9\u6cd5\u9662]\uff1a <a href=\"https:\/\/techcrunch.com\/2022\/04\/18\/web-scraping-legal-court\/\" target=\"_blank\" rel=\"noreferrer noopener\">TechCrunch<\/a>].<\/p>\n\n\n\n<p>\u53e6\u636e\u6700\u8fd1\u7684\u65b0\u95fb\u62a5\u9053\uff0c\u9488\u5bf9 OpenAI \u548c\u5fae\u8f6f\u7684\u8bc9\u8bbc\u51f8\u663e\u4e86\u4eba\u4eec\u5bf9\u9690\u79c1\u3001\u77e5\u8bc6\u4ea7\u6743\u548c\u53cd\u9ed1\u5ba2\u6cd5\u5f8b\u7684\u62c5\u5fe7\u3002<a href=\"https:\/\/news.bloomberglaw.com\/ip-law\/openais-legal-woes-driven-by-unclear-mesh-of-web-scraping-laws\" target=\"_blank\" rel=\"noreferrer noopener\">\u5f6d\u535a\u793e<\/a>].\u867d\u7136\u300a\u7f8e\u56fd\u7248\u6743\u6cd5\u300b\u7684\u6548\u529b\u6709\u9650\uff0c\u4f46\u8fdd\u53cd\u5408\u540c\u7684\u7d22\u8d54\u548c\u5404\u5dde\u7684\u9690\u79c1\u6cd5\u4e5f\u5728\u63a2\u7d22\u4e4b\u4e2d\u3002\u7248\u6743\u6cd5\u548c\u5408\u540c\u6cd5\u4e4b\u95f4\u7684\u4e92\u52a8\u95ee\u9898\u4ecd\u672a\u89e3\u51b3\uff0c\u56e0\u6b64\u5728\u7f51\u7edc\u641c\u522e\u65b9\u9762\u8fd8\u6709\u8bb8\u591a\u95ee\u9898\u6ca1\u6709\u7b54\u6848\u3002<\/p>\n\n\n\n<p>\u6700\u65b0\u6d88\u606f\uff0c[\u6d88\u606f\u6765\u6e90 <a href=\"https:\/\/timesofindia.indiatimes.com\/gadgets-news\/explained-what-is-data-scraping-and-why-elon-musk-is-changing-twitter-rules-over-it\/articleshow\/101451275.cms\" target=\"_blank\" rel=\"noreferrer noopener\">\u5370\u5ea6\u65f6\u62a5<\/a>]\u57c3\u9686-\u9a6c\u65af\u514b\uff08Elon Musk\uff09\u6b63\u5728\u6539\u53d8 Twitter \u7684\u89c4\u5219\uff0c\u4ee5\u9632\u6b62\u6781\u7aef\u7684\u6570\u636e\u641c\u522e\u884c\u4e3a\u3002\u9a6c\u65af\u514b\u8ba4\u4e3a\uff0c\u6781\u7aef\u7684\u7f51\u7edc\u641c\u522e\u4f1a\u5bf9\u7528\u6237\u4f53\u9a8c\u4ea7\u751f\u8d1f\u9762\u5f71\u54cd\u3002\u4ed6\u8ba4\u4e3a\uff0c\u4f7f\u7528\u5927\u578b\u8bed\u8a00\u6a21\u578b\u8fdb\u884c\u751f\u6210\u5f0f\u4eba\u5de5\u667a\u80fd\u7684\u7ec4\u7ec7\u96be\u8f9e\u5176\u548e\u3002 <\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"08\">5.\u7f51\u7ad9\u5982\u4f55\u963b\u6b62\u7f51\u7edc\u6293\u53d6\uff1f&nbsp;<\/h2>\n\n\n\n<p>\u516c\u53f8\u5e0c\u671b\u5176\u90e8\u5206\u6570\u636e\u80fd\u88ab\u4eba\u7c7b\u8bbf\u95ee\u8005\u8bbf\u95ee\u3002\u4f46\u662f\uff0c\u5f53\u516c\u53f8\u6216\u7528\u6237\u4f7f\u7528\u81ea\u52a8\u811a\u672c\u6216\u673a\u5668\u4eba\u4ece\u7f51\u7ad9\u4e0a\u79ef\u6781\u63d0\u53d6\u6570\u636e\u65f6\uff0c\u76ee\u6807\u7f51\u7ad9\u670d\u52a1\u5668\u548c\u9875\u9762\u4e0a\u53ef\u80fd\u4f1a\u51fa\u73b0\u5927\u91cf\u9690\u79c1\u548c\u8d44\u6e90\u6ee5\u7528\u73b0\u8c61\u3002\u8fd9\u4e9b\u53d7\u5bb3\u7f51\u7ad9\u66f4\u5e0c\u671b\u963b\u6b62\u8fd9\u7c7b\u6d41\u91cf\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"09\">\u9632\u7a83\u542c\u6280\u672f<\/h3>\n\n\n\n<ul>\n<li><strong>\u6765\u81ea\u5355\u4e00\u6765\u6e90\u7684\u4e0d\u5bfb\u5e38\u7684\u9ad8\u6d41\u91cf\u3002&nbsp;<\/strong>\u7f51\u7edc\u670d\u52a1\u5668\u53ef\u80fd\u4f1a\u4f7f\u7528 WAF\uff08\u7f51\u7edc\u5e94\u7528\u9632\u706b\u5899\uff09\uff0c\u5176\u4e2d\u5305\u542b\u963b\u6b62\u6d41\u91cf\u7684\u566a\u58f0 IP \u5730\u5740\u9ed1\u540d\u5355\u3001\"\u5f02\u5e38 \"\u8bf7\u6c42\u901f\u7387\u548c\u5927\u5c0f\u8fc7\u6ee4\u5668\u4ee5\u53ca\u8fc7\u6ee4\u673a\u5236\u3002\u6709\u4e9b\u7f51\u7ad9\u4f1a\u5c06 WAF \u548c CDN\uff08\u5185\u5bb9\u5206\u53d1\u7f51\u7edc\uff09\u7ed3\u5408\u4f7f\u7528\uff0c\u4ee5\u5b8c\u5168\u8fc7\u6ee4\u6216\u51cf\u5c11\u6765\u81ea\u6b64\u7c7b IP \u7684\u566a\u97f3\u3002 <\/li>\n\n\n\n<li><strong>\u6709\u4e9b\u7f51\u7ad9\u53ef\u4ee5\u68c0\u6d4b\u5230\u7c7b\u4f3c\u673a\u5668\u4eba\u7684\u6d4f\u89c8\u6a21\u5f0f\u3002<\/strong>&nbsp;\u4e0e\u524d\u4e00\u79cd\u6280\u672f\u7c7b\u4f3c\uff0c\u7f51\u7ad9\u4e5f\u4f1a\u6839\u636e\u7528\u6237\u4ee3\u7406\uff08HTTP \u6807\u5934\uff09\u963b\u6b62\u8bf7\u6c42\u3002\u673a\u5668\u4eba\u4e0d\u4f7f\u7528\u666e\u901a\u6d4f\u89c8\u5668\u3002\u8fd9\u4e9b\u673a\u5668\u4eba\u6709\u4e0d\u540c\u7684\u7528\u6237\u4ee3\u7406\u5b57\u7b26\u4e32\uff08\u5373\u722c\u866b\u3001\u8718\u86db\u6216\u673a\u5668\u4eba\uff09\uff0c\u7f3a\u4e4f\u53d8\u5316\uff0c\u6ca1\u6709\u6807\u5934\uff08HTTP \u6807\u5934\uff09\u3002<a href=\"https:\/\/www.rapidseedbox.com\/blog\/headless-browser-guide\" target=\"_blank\" rel=\"noreferrer noopener\">\u65e0\u5934\u6d4f\u89c8\u5668<\/a>)\u3001\u7533\u8bf7\u8d39\u7387\u7b49\u3002 <\/li>\n\n\n\n<li><strong>\u7f51\u7ad9\u4e5f\u4f1a\u7ecf\u5e38\u66f4\u6539 HTML \u6807\u8bb0\u3002<\/strong> \u7f51\u7edc\u6293\u53d6\u673a\u5668\u4eba\u5728\u904d\u5386\u7f51\u7ad9\u5185\u5bb9\u65f6\u4f1a\u9075\u5faa\u4e00\u81f4\u7684 \"HTML \u6807\u8bb0 \"\u8def\u7ebf\u3002\u6709\u4e9b\u7f51\u7ad9\u4f1a\u5b9a\u671f\u968f\u673a\u66f4\u6539\u6807\u8bb0\u4e2d\u7684 HTML \u5143\u7d20\u3002\u8fd9\u79cd\u6280\u672f\u4f1a\u4f7f\u673a\u5668\u4eba\u504f\u79bb\u5176\u6b63\u5e38\u7684\u641c\u7d22\u4e60\u60ef\u6216\u8ba1\u5212\u3002\u66f4\u6539 HTML \u6807\u8bb0\u5e76\u4e0d\u80fd\u963b\u6b62\u7f51\u7edc\u522e\u64e6\uff0c\u4f46\u4f1a\u4f7f\u5176\u66f4\u5177\u6311\u6218\u6027\u3002&nbsp;<\/li>\n\n\n\n<li><strong>\u4f7f\u7528\u9a8c\u8bc1\u7801\u7b49\u6311\u6218\u3002<\/strong> \u4e3a\u4e86\u907f\u514d\u673a\u5668\u4eba\u4f7f\u7528\u65e0\u5934\u6d4f\u89c8\u5668\uff0c\u4e00\u4e9b\u7f51\u7ad9\u8981\u6c42\u9a8c\u8bc1\u7801\u6311\u6218\u3002\u4f7f\u7528\u65e0\u5934\u6d4f\u89c8\u5668\u7684\u673a\u5668\u4eba\u5f88\u96be\u89e3\u51b3\u8fd9\u7c7b\u95ee\u9898\u3002\u9a8c\u8bc1\u7801\u662f\u5728\u7528\u6237\u5c42\u9762\uff08\u901a\u8fc7\u6d4f\u89c8\u5668\uff09\u800c\u4e0d\u662f\u7531\u673a\u5668\u4eba\u6765\u89e3\u51b3\u7684\u3002&nbsp;<\/li>\n\n\n\n<li><strong>\u6709\u4e9b\u7f51\u7ad9\u662f\u641c\u7d22\u673a\u5668\u4eba\u7684\u9677\u9631\uff08\u871c\u7f50\uff09\u3002 <\/strong>\u6709\u4e9b\u7f51\u7ad9\u662f\u4e13\u4e3a\u8bf1\u6355\u641c\u522e\u673a\u5668\u4eba\u800c\u521b\u5efa\u7684\uff0c\u8fd9\u79cd\u6280\u672f\u88ab\u79f0\u4e3a \"\u871c\u7f50\"\u3002\u8fd9\u4e9b \"\u5de2\u7a74 \"\u53ea\u6709\u641c\u522e\u673a\u5668\u4eba\u624d\u80fd\u770b\u5230\uff08\u666e\u901a\u4eba\u7c7b\u8bbf\u95ee\u8005\u770b\u4e0d\u5230\uff09\uff0c\u5176\u76ee\u7684\u662f\u5c06\u7f51\u7edc\u641c\u522e\u8005\u5f15\u5165\u9677\u9631\u3002<\/li>\n<\/ul>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"010\">6.\u7f51\u7edc\u6293\u53d6\u7684\u9053\u5fb7\u548c\u6700\u4f73\u5b9e\u8df5\u3002<\/h2>\n\n\n\n<p><strong>\u7f51\u7edc\u641c\u7d22\u5e94\u8d1f\u8d23\u4efb\u5730\u3001\u5408\u4e4e\u9053\u5fb7\u5730\u8fdb\u884c<\/strong>.\u5982\u524d\u6240\u8ff0\uff0c\u9605\u8bfb \"\u6761\u6b3e\u548c\u6761\u4ef6 \"\u6216 \"\u670d\u52a1\u6761\u6b3e \"\u5e94\u80fd\u8ba9\u60a8\u4e86\u89e3\u5fc5\u987b\u9075\u5b88\u7684\u9650\u5236\u3002\u5982\u679c\u4f60\u60f3\u4e86\u89e3\u7f51\u7edc\u722c\u866b\u7684\u89c4\u5219\uff0c\u53ef\u4ee5\u67e5\u770b\u5b83\u7684 ROBOTS.txt\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" loading=\"lazy\" width=\"435\" height=\"235\" src=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/image6-2.png\" alt=\"Robots.txt \u9053\u5fb7\u7f51\u7edc\u641c\u7d22\u3002 \" class=\"wp-image-11405\" srcset=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/image6-2.png 435w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/image6-2-300x162.png 300w\" sizes=\"(max-width: 435px) 100vw, 435px\" \/><\/figure>\n\n\n\n<p><strong>\u5982\u679c\u5b8c\u5168\u4e0d\u5141\u8bb8\u6216\u963b\u6b62\u7f51\u7edc\u641c\u522e\uff0c\u5219\u4f7f\u7528\u5176\u5e94\u7528\u7a0b\u5e8f\u63a5\u53e3\uff08\u5982\u679c\u53ef\u7528\uff09\u3002<\/strong><\/p>\n\n\n\n<p>\u6b64\u5916\uff0c\u8fd8\u8981\u6ce8\u610f\u76ee\u6807\u7f51\u7ad9\u7684\u5e26\u5bbd\uff0c\u907f\u514d\u8fc7\u591a\u7684\u8bf7\u6c42\u4f7f\u670d\u52a1\u5668\u8d85\u8d1f\u8377\u3002\u81ea\u52a8\u8bf7\u6c42\u7684\u901f\u7387\u548c\u6b63\u786e\u7684\u8d85\u65f6\u5bf9\u907f\u514d\u7ed9\u76ee\u6807\u670d\u52a1\u5668\u9020\u6210\u538b\u529b\u81f3\u5173\u91cd\u8981\u3002\u6700\u597d\u6a21\u62df\u5b9e\u65f6\u7528\u6237\u3002\u6b64\u5916\uff0c\u5207\u52ff\u5728\u767b\u5f55\u9875\u9762\u540e\u641c\u7d22\u6570\u636e\u3002<\/p>\n\n\n\n<p>\u9075\u5b88\u89c4\u5219\uff0c\u4f60\u5c31\u4f1a\u6ca1\u4e8b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"011\">\u7f51\u7edc\u6293\u53d6\u6700\u4f73\u5b9e\u8df5&nbsp;<\/h3>\n\n\n\n<ul>\n<li><strong>\u4f7f\u7528\u4ee3\u7406\u3002&nbsp;<\/strong>\u4ee3\u7406\u662f\u8f6c\u53d1\u8bf7\u6c42\u7684\u4e2d\u95f4\u670d\u52a1\u5668\u3002\u5f53\u4f7f\u7528\u4ee3\u7406\u8fdb\u884c\u7f51\u7edc\u641c\u522e\u65f6\uff0c\u4f60\u4f1a\u901a\u8fc7\u4ee3\u7406\u8f6c\u53d1\u539f\u59cb\u8bf7\u6c42\u3002\u56e0\u6b64\uff0c\u4ee3\u7406\u4f1a\u5c06\u8bf7\u6c42\u4e0e\u81ea\u5df1\u7684 IP \u6620\u5c04\uff0c\u5e76\u8f6c\u53d1\u5230\u76ee\u6807\u7f51\u7ad9\u3002\u4f7f\u7528\u4ee3\u7406\u53ef\u4ee5\n<ul>\n<li><strong>\u6d88\u9664\u60a8\u7684 IP \u88ab\u5217\u5165\u9ed1\u540d\u5355\u6216\u5c4f\u853d\u7684\u53ef\u80fd\u6027\u3002<\/strong>&nbsp;\u603b\u662f\u901a\u8fc7\u5404\u79cd\u4ee3\u7406\u63d0\u51fa\u7533\u8bf7-- <a href=\"https:\/\/www.rapidseedbox.com\/zh\/proxy\/?blog=web-scraping\" target=\"_blank\" rel=\"noreferrer noopener\">IPv6\u4ee3\u7406\u670d\u52a1\u5668<\/a>&nbsp;\u5c31\u662f\u4e00\u4e2a\u5f88\u597d\u7684\u4f8b\u5b50\u3002\u4ee3\u7406\u6c60\u53ef\u4ee5\u5e2e\u52a9\u4f60\u6267\u884c\u66f4\u5927\u91cf\u7684\u8bf7\u6c42\uff0c\u800c\u4e0d\u4f1a\u88ab\u963b\u6b62\u3002&nbsp;<\/li>\n\n\n\n<li><strong>\u7ed5\u8fc7\u5730\u7406\u5b9a\u5236\u5185\u5bb9\u3002<\/strong>&nbsp;\u7279\u5b9a\u533a\u57df\u7684\u4ee3\u7406\u5bf9\u4e8e\u6839\u636e\u8be5\u7279\u5b9a\u5730\u7406\u533a\u57df\u641c\u7d22\u6570\u636e\u975e\u5e38\u6709\u7528\u3002\u8fd9\u5728\u7f51\u7ad9\u548c\u670d\u52a1\u4f4d\u4e8e CDN \u540e\u65b9\u65f6\u975e\u5e38\u6709\u7528\u3002&nbsp;<\/li>\n\n\n\n<li><strong>\u8f6e\u6d41\u4ee3\u7406\u3002<\/strong> \u65cb\u8f6c\u4ee3\u7406\u4e3a\u6bcf\u4e00\u4e2a\u65b0\u8fde\u63a5\u4ece\u6c60\u4e2d\u83b7\u53d6\uff08\u65cb\u8f6c\uff09\u4e00\u4e2a\u65b0 IP\u3002\u8bf7\u6ce8\u610f <a href=\"https:\/\/www.rapidseedbox.com\/zh\/blog\/vpn-vs-proxy\" target=\"_blank\" rel=\"noreferrer noopener\">VPN \u4e0d\u662f\u4ee3\u7406\u670d\u52a1\u5668\u3002<\/a> \u867d\u7136\u5b83\u4eec\u7684\u4f5c\u7528\u975e\u5e38\u76f8\u4f3c\uff0c\u90fd\u662f\u63d0\u4f9b\u533f\u540d\u6027\uff0c\u4f46\u5b83\u4eec\u5728\u4e0d\u540c\u5c42\u9762\u4e0a\u53d1\u6325\u4f5c\u7528\u3002 <\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<ul>\n<li><strong>\u65cb\u8f6c<\/strong> <strong>UA\uff08\u7528\u6237\u4ee3\u7406\uff09\u548c HTTP \u8bf7\u6c42\u5934\u3002&nbsp;<\/strong>\u8981\u65cb\u8f6c UA \u548c HTTP \u5934\u4fe1\u606f\uff0c\u60a8\u9700\u8981\u4ece\u771f\u5b9e\u7f51\u7edc\u6d4f\u89c8\u5668\u4e2d\u6536\u96c6 UA \u5b57\u7b26\u4e32\u5217\u8868\u3002\u5c06\u8be5\u5217\u8868\u653e\u5165 Python \u4e2d\u7684\u7f51\u7edc\u6293\u53d6\u4ee3\u7801\u4e2d\uff0c\u5e76\u8bbe\u7f6e\u8bf7\u6c42\u4ee5\u968f\u673a\u9009\u53d6\u5b57\u7b26\u4e32\u3002<\/li>\n\n\n\n<li><strong>\u4e0d\u8981\u7a81\u7834\u6781\u9650\u3002&nbsp;<\/strong>\u51cf\u7f13\u8bf7\u6c42\u6570\u91cf\u3001\u8f6e\u6362\u548c\u968f\u673a\u5316\u3002\u5982\u679c\u4f60\u5bf9\u4e00\u4e2a\u7f51\u7ad9\u63d0\u51fa\u4e86\u5927\u91cf\u8bf7\u6c42\uff0c\u9996\u5148\u8981\u968f\u673a\u5904\u7406\u3002\u8ba9\u6bcf\u4e2a\u8bf7\u6c42\u770b\u8d77\u6765\u90fd\u662f\u968f\u673a\u7684\uff0c\u50cf\u4eba\u4e00\u6837\u3002\u9996\u5148\uff0c\u501f\u52a9\u65cb\u8f6c\u4ee3\u7406\u6539\u53d8\u6bcf\u6b21\u8bf7\u6c42\u7684 IP\u3002\u6b64\u5916\uff0c\u4f7f\u7528\u4e0d\u540c\u7684 HTTP \u6807\u5934\uff0c\u8ba9\u8bf7\u6c42\u770b\u8d77\u6765\u50cf\u662f\u6765\u81ea\u5176\u4ed6\u6d4f\u89c8\u5668\u3002&nbsp;<\/li>\n<\/ul>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"has-text-align-center\"><strong>\u4f7f\u7528 RapidSeedbox \u5feb\u901f\u3001\u5b89\u5168\u548c\u533f\u540d\u7684\u4ee3\u7406\u670d\u52a1\u5668\uff0c\u63d0\u9ad8\u60a8\u7684\u7f51\u7edc\u641c\u522e\u80fd\u529b\u3002<\/strong><\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-4\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-background wp-element-button\" href=\"https:\/\/www.rapidseedbox.com\/zh\/proxy\/?blog=web-scraping\" style=\"background-color:#22c55e\"><strong>\u5f00\u59cb\u626b\u63cf\uff01<\/strong><\/a><\/div>\n<\/div>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"07\">7.\u7f51\u7edc\u6293\u53d6\u5e38\u89c1\u95ee\u9898\uff1a\u5e38\u89c1\u95ee\u9898\u3002 <\/h2>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>a.\u4ec0\u4e48\u662f robots.txt\uff0c\u5b83\u5728\u7f51\u7edc\u641c\u7d22\u4e2d\u8d77\u4ec0\u4e48\u4f5c\u7528\uff1f&nbsp;<\/strong><\/h4>\n\n\n\n<p>robots.txt \"\u6587\u4ef6\u662f\u7f51\u7ad9\u6240\u6709\u8005\u3001\u7f51\u7edc\u722c\u866b\u548c \"\u641c\u522e\u8005 \"\u4e4b\u95f4\u7684\u901a\u4fe1\u5de5\u5177\u3002\u5b83\u662f\u653e\u7f6e\u5728\u7f51\u7ad9\u670d\u52a1\u5668\u4e0a\u7684\u4e00\u4e2a\u6587\u672c\u6587\u4ef6\uff0c\u5411\u7f51\u7edc\u673a\u5668\u4eba\uff08\u722c\u866b\u3001\u7f51\u7edc\u8718\u86db\u548c\u5176\u4ed6\u81ea\u52a8\u673a\u5668\u4eba\uff09\u63d0\u4f9b\u6709\u5173\u5141\u8bb8\u5b83\u4eec\u8bbf\u95ee\u548c\u6293\u53d6\u7f51\u7ad9\u54ea\u4e9b\u90e8\u5206\u4ee5\u53ca\u5e94\u8be5\u907f\u514d\u54ea\u4e9b\u90e8\u5206\u7684\u6307\u4ee4\u3002\"\u4e56\u5de7\u7684 \"\u7f51\u7edc\u722c\u866b\uff08\u5982 Googlebot\uff09\u4f1a\u81ea\u52a8\u9605\u8bfb robots.txt\u3002\u800c\u6293\u53d6\u7a0b\u5e8f\u5219\u4e0d\u4f1a\u8bfb\u53d6\u8be5\u6587\u4ef6\u3002\u56e0\u6b64\uff0c\u4e86\u89e3 robots.txt \u5bf9\u4e8e\u5c0a\u91cd\u7f51\u7ad9\u6240\u6709\u8005\u7684\u610f\u613f\u975e\u5e38\u91cd\u8981\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>b.\u7f51\u7ad9\u7ba1\u7406\u5458\u4f7f\u7528\u4ec0\u4e48\u6280\u672f\u6765\u907f\u514d \"\u6ee5\u7528 \"\u6216 \"\u672a\u7ecf\u6388\u6743 \"\u7684\u7f51\u7edc\u641c\u522e\u5c1d\u8bd5\uff1f<\/strong><\/h4>\n\n\n\n<p>\u5e76\u975e\u6240\u6709\u522e\u64e6\u7a0b\u5e8f\u90fd\u80fd\u4ee5\u9053\u5fb7\u548c\u5408\u6cd5\u7684\u65b9\u5f0f\u63d0\u53d6\u6570\u636e\u3002\u5b83\u4eec\u4e0d\u9075\u5b88\u7f51\u7ad9\u7684 TOS\uff08\u670d\u52a1\u6761\u6b3e\uff09\u6216 robots.txt \u6307\u5357\u3002\u56e0\u6b64\uff0c\u7f51\u7ad9\u7ba1\u7406\u5458\u53ef\u80fd\u4f1a\u91c7\u53d6\u989d\u5916\u63aa\u65bd\u6765\u4fdd\u62a4\u6570\u636e\u548c\u8d44\u6e90\uff0c\u4f8b\u5982\u4f7f\u7528 IP \u62e6\u622a\u6216\u9a8c\u8bc1\u7801\u6311\u6218\u3002\u4ed6\u4eec\u8fd8\u53ef\u80fd\u4f7f\u7528\u901f\u7387\u9650\u5236\u63aa\u65bd\u3001\u7528\u6237\u4ee3\u7406\u9a8c\u8bc1\uff08\u4ee5\u8bc6\u522b\u6f5c\u5728\u7684\u673a\u5668\u4eba\uff09\u3001\u8ddf\u8e2a\u4f1a\u8bdd\u3001\u4f7f\u7528\u57fa\u4e8e\u4ee4\u724c\u7684\u8eab\u4efd\u9a8c\u8bc1\u3001\u4f7f\u7528 CDN\uff08\u5185\u5bb9\u5206\u53d1\u7f51\u7edc\uff09\uff0c\u751a\u81f3\u4f7f\u7528\u57fa\u4e8e\u884c\u4e3a\u7684\u68c0\u6d4b\u7cfb\u7edf\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>c.\u7f51\u7edc\u6293\u53d6\u4e0e\u7f51\u7edc\u722c\u53d6\uff1f<\/strong><\/h4>\n\n\n\n<p>\u5c3d\u7ba1\u7f51\u7edc\u522e\u64e6\u548c\u7f51\u7edc\u722c\u884c\u90fd\u662f\u7f51\u7edc\u6570\u636e\u63d0\u53d6\u6280\u672f\uff0c\u4f46\u5b83\u4eec\u7684\u76ee\u7684\u3001\u8303\u56f4\u3001\u81ea\u52a8\u5316\u7a0b\u5ea6\u548c\u6cd5\u5f8b\u65b9\u9762\u90fd\u4e0d\u5c3d\u76f8\u540c\u3002\u4e00\u65b9\u9762\uff0c\u7f51\u7edc\u522e\u64e6\u6280\u672f\u65e8\u5728\u4ece\u7279\u5b9a\u7f51\u7ad9\u63d0\u53d6\u7279\u5b9a\u6570\u636e\u3002\u5b83\u4eec\u6709\u9488\u5bf9\u6027\uff0c\u8303\u56f4\u5177\u4f53\u800c\u6709\u9650\u3002\u7f51\u7edc\u6293\u53d6\u4f7f\u7528\u81ea\u52a8\u811a\u672c\u6216\u7b2c\u4e09\u65b9\u5de5\u5177\u6765\u8bf7\u6c42\u3001\u63a5\u6536\u3001\u89e3\u6790\u3001\u63d0\u53d6\u548c\u6784\u9020\u6570\u636e\u3002\u7f51\u7edc\u6293\u53d6\u6280\u672f\uff08\u5982 <a href=\"https:\/\/www.rapidseedbox.com\/blog\/list-crawling\" target=\"_blank\" rel=\"noreferrer noopener\">\u5217\u8868\u6293\u53d6<\/a>)\u5219\u7528\u4e8e\u7cfb\u7edf\u5730\u641c\u7d22\u7f51\u7edc\u3002\u5b83\u4eec\u5728\u641c\u7d22\u5f15\u64ce\uff08\u8303\u56f4\u66f4\u5e7f\uff09\u3001\u793e\u4ea4\u5a92\u4f53\u5e73\u53f0\u3001\u7814\u7a76\u4eba\u5458\u3001\u5185\u5bb9\u805a\u5408\u8005\u7b49\u4e2d\u5f88\u53d7\u6b22\u8fce\u3002\u7f51\u7edc\u722c\u866b\u53ef\u4ee5\u81ea\u52a8\u8bbf\u95ee\u8bb8\u591a\u7f51\u7ad9\uff08\u901a\u8fc7\u673a\u5668\u4eba\u3001\u722c\u866b\u6216\u8718\u86db\uff09\uff0c\u5efa\u7acb\u4e00\u4e2a\u5217\u8868\uff0c\u7d22\u5f15\u6570\u636e\uff08\u521b\u5efa\u526f\u672c\uff09\uff0c\u5e76\u5c06\u5176\u5b58\u50a8\u5230\u6570\u636e\u5e93\u4e2d\u3002\u7f51\u7edc\u722c\u866b\u901a\u5e38\u4f1a\u68c0\u67e5 ROBOTS.txt \u6587\u4ef6\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>d.\u6570\u636e\u6316\u6398\u4e0e\u6570\u636e\u641c\u522e\uff1a\u5b83\u4eec\u6709\u4f55\u5f02\u540c\uff1f<\/strong><\/h4>\n\n\n\n<p>\u6570\u636e\u6316\u6398\u548c\u6570\u636e\u522e\u64e6\u90fd\u6d89\u53ca\u6570\u636e\u63d0\u53d6\u3002\u4e0d\u8fc7\uff0c\u6570\u636e\u6316\u6398\u4fa7\u91cd\u4e8e\u4f7f\u7528\u7edf\u8ba1\u548c\u673a\u5668\u5b66\u4e60\u6280\u672f\u6765\u5206\u6790\u7ed3\u6784\u5316\u6570\u636e\u96c6\u3002\u5176\u76ee\u7684\u662f\u5728\u5927\u578b\u590d\u6742\u7684\u7ed3\u6784\u5316\u6570\u636e\u96c6\u4e2d\u8bc6\u522b\u6a21\u5f0f\u3001\u5173\u7cfb\u548c\u89c1\u89e3\u3002\u53e6\u4e00\u65b9\u9762\uff0c\u6570\u636e\u6316\u6398\u4fa7\u91cd\u4e8e\u4ece\u7f51\u9875\u548c\u7f51\u7ad9\u4e2d \"\u6536\u96c6\u90e8\u5206 \"\u7279\u5b9a\u4fe1\u606f\u3002\u8fd9\u4e24\u79cd\u6280\u672f\u548c\u5de5\u5177\u53ef\u4ee5\u540c\u65f6\u4f7f\u7528\u3002\u7f51\u7edc\u641c\u522e\u53ef\u4ee5\u4f5c\u4e3a\u4ece\u7f51\u7edc\u4e0a\u6536\u96c6\u6570\u636e\u7684\u7b2c\u4e00\u6b65\uff0c\u7136\u540e\u5c06\u6570\u636e\u8f93\u5165\u6570\u636e\u6316\u6398\u7b97\u6cd5\uff0c\u8fdb\u884c\u6df1\u5165\u5206\u6790\u548c\u6d1e\u5bdf\u53d1\u73b0\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>e.\u4ec0\u4e48\u662f\u5c4f\u5e55\u6293\u53d6\uff1f  \u5b83\u4e0e\u6570\u636e\u6293\u53d6\u6709\u4f55\u5173\u7cfb\uff1f<\/strong><\/h4>\n\n\n\n<p>\u8fd9\u4e24\u79cd\u6280\u672f\u90fd\u4fa7\u91cd\u4e8e\u6570\u636e\u63d0\u53d6\uff0c\u4f46\u63d0\u53d6\u7684\u6570\u636e\u7c7b\u578b\u4e0d\u540c\u3002 <a href=\"https:\/\/www.rapidseedbox.com\/blog\/screen-scraping\" target=\"_blank\" rel=\"noreferrer noopener\">\u522e\u7f51<\/a> \u5c4f\u5e55\u6293\u53d6\u5de5\u5177\u65e8\u5728 \"\u81ea\u52a8 \"\u6355\u6349\u548c\u63d0\u53d6\u7f51\u7ad9\u548c\u6587\u6863\u4e2d\u663e\u793a\u7684\u53ef\u89c6\u5316\u6570\u636e\uff0c\u5305\u62ec\u5c4f\u5e55\u6587\u672c\u3002\u4e0e\u4ece HTML \u4e2d\u89e3\u6790\u6570\u636e\uff08\u4ece\u800c\u63d0\u53d6\u5404\u79cd\u7f51\u7edc\u6570\u636e\uff09\u7684\u7f51\u7edc\u641c\u522e\u4e0d\u540c\uff0c\u5c4f\u5e55\u641c\u522e\u76f4\u63a5\u4ece\u5c4f\u5e55\u663e\u793a\u4e2d\u8bfb\u53d6\u6587\u672c\u6570\u636e\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>f.\u7f51\u7edc\u6536\u83b7\u662f\u5426\u7b49\u540c\u4e8e\u7f51\u7edc\u6293\u53d6\uff1f<\/strong><\/h4>\n\n\n\n<p>\u6570\u636e\u641c\u522e\u548c\u7f51\u7edc\u6536\u83b7\u5bc6\u5207\u76f8\u5173\uff0c\u7ecf\u5e38\u88ab\u4ea4\u66ff\u4f7f\u7528\uff0c\u4f46\u5b83\u4eec\u5e76\u4e0d\u662f\u540c\u4e00\u4e2a\u6982\u5ff5\u3002\u7f51\u7edc\u91c7\u96c6\u5177\u6709\u66f4\u5e7f\u6cdb\u7684\u5185\u6db5\u3002\u5b83\u5305\u542b\u4ece\u7f51\u7edc\u4e2d\u63d0\u53d6\u6570\u636e\u7684\u4e0d\u540c\u65b9\u6cd5\uff0c\u5305\u62ec\u5404\u79cd\u81ea\u52a8\u7f51\u7edc\u63d0\u53d6\u673a\u5236\uff0c\u5982\u7f51\u7edc\u522e\u64e6\u3002\u4e00\u4e2a\u660e\u663e\u7684\u533a\u522b\u662f\uff0c\u7f51\u7edc\u91c7\u96c6\u901a\u5e38\u7528\u4e8e\u6d89\u53ca\u5e94\u7528\u7a0b\u5e8f\u63a5\u53e3\uff08API\uff09\u7684\u60c5\u51b5\uff0c\u800c\u4e0d\u662f\u76f4\u63a5\u89e3\u6790\u7f51\u9875\u4e2d\u7684 HTML \u4ee3\u7801\uff08\u5982\u7f51\u7edc\u641c\u522e\uff09\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>g.CSS \u9009\u62e9\u5668\u4e0e XPath \u9009\u62e9\u5668\uff1a  \u522e\u64e6\u65f6\u6709\u54ea\u4e9b\u533a\u522b\uff1f&nbsp;<\/strong><\/h4>\n\n\n\n<p>CSS \u9009\u62e9\u5668\u662f\u4e00\u79cd\u5728\u7f51\u7edc\u641c\u522e\u8fc7\u7a0b\u4e2d\u63d0\u53d6\u6570\u636e\u7684\u6709\u6548\u65b9\u6cd5\u3002\u5b83\u4eec\u63d0\u4f9b\u4e86\u4e00\u79cd\u7b80\u5355\u660e\u4e86\u7684\u8bed\u6cd5\uff0c\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\u90fd\u80fd\u5f88\u597d\u5730\u5e94\u7528\u3002\u4e0d\u8fc7\uff0c\u5728\u66f4\u590d\u6742\u7684\u60c5\u51b5\u4e0b\u6216\u5904\u7406\u5d4c\u5957\u7ed3\u6784\u65f6\uff0cXPath \u9009\u62e9\u5668\u53ef\u4ee5\u63d0\u4f9b\u989d\u5916\u7684\u7075\u6d3b\u6027\u548c\u529f\u80fd\u3002 <\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>h.\u5982\u4f55\u4f7f\u7528 Selenium \u5904\u7406\u52a8\u6001\u7f51\u7ad9\uff1f<\/strong><\/h4>\n\n\n\n<p>Selenium \u662f\u4e00\u6b3e\u5f3a\u5927\u7684\u52a8\u6001\u7f51\u7ad9\u7f51\u7edc\u626b\u63cf\u5de5\u5177\u3002\u5b83\u5141\u8bb8\u4f60\u50cf\u4eba\u7c7b\u7528\u6237\u4e00\u6837\u4e0e\u7f51\u9875\u4e0a\u7684\u5143\u7d20\u8fdb\u884c\u4ea4\u4e92\u3002\u8fd9\u79cd\u80fd\u529b\u4f7f\u60a8\u7684 \"\u811a\u672c \"\u80fd\u591f\u6d4f\u89c8\u52a8\u6001\u751f\u6210\u7684\u5185\u5bb9\u3002\u901a\u8fc7\u4f7f\u7528 <a href=\"https:\/\/www.selenium.dev\/documentation\/webdriver\/\" target=\"_blank\" rel=\"noreferrer noopener\">Selenium \u7684 WebDriver<\/a>\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 JavaScript\uff0c\u7b49\u5f85\u9875\u9762\u5143\u7d20\u52a0\u8f7d\u3001\u4e0e AJAX \u5143\u7d20\u4ea4\u4e92\uff0c\u4ee5\u53ca\u4ece\u4e25\u91cd\u4f9d\u8d56 JavaScript \u7684\u7f51\u7ad9\u4e0a\u6293\u53d6\u6570\u636e\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>i<\/strong>.<strong> \u5982\u4f55\u5728\u7f51\u7edc\u6293\u53d6\u65f6\u5904\u7406 AJAX \u548c JavaScript\uff1f<\/strong><\/h4>\n\n\n\n<p>\u5728\u7f51\u7edc\u641c\u522e\u8fc7\u7a0b\u4e2d\u5904\u7406 AJAX \u548c JavaScript \u65f6\uff0cRequests \u548c Beautiful Soup \u7b49\u4f20\u7edf\u5e93\u53ef\u80fd\u65e0\u6cd5\u6ee1\u8db3\u8981\u6c42\u3002\u8981\u5904\u7406 AJAX \u8bf7\u6c42\u548c JavaScript \u6e32\u67d3\u7684\u5185\u5bb9\uff0c\u53ef\u4ee5\u4f7f\u7528 Selenium \u7b49\u5de5\u5177\u6216\u65e0\u5934\u6d4f\u89c8\u5668\uff0c\u5982 <a href=\"https:\/\/pptr.dev\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u6728\u5076\u5e08<\/a>. <\/p>\n\n\n\n<div style=\"height:18px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"012\">8. \u7ed3\u8bed\u3002&nbsp;<\/h2>\n\n\n\n<p>\u606d\u559c\u60a8\u60a8\u5b8c\u6210\u4e86\u7f51\u7edc\u641c\u7d22\u7ec8\u6781\u6307\u5357\u7684\u5b66\u4e60\uff01 <\/p>\n\n\n\n<p>\u6211\u4eec\u5e0c\u671b\u672c\u6307\u5357\u80fd\u4e3a\u60a8\u63d0\u4f9b\u76f8\u5173\u77e5\u8bc6\u548c\u5de5\u5177\uff0c\u5e2e\u52a9\u60a8\u5728\u9879\u76ee\u4e2d\u53d1\u6325\u7f51\u7edc\u641c\u7d22\u7684\u6f5c\u529b\u3002 <\/p>\n\n\n\n<p><strong>\u8bf7\u8bb0\u4f4f\uff0c\u6743\u529b\u8d8a\u5927\uff0c\u8d23\u4efb\u8d8a\u5927\u3002<\/strong> \u5728\u60a8\u5f00\u59cb\u7f51\u7edc\u522e\u64e6\u4e4b\u65c5\u65f6\uff0c\u8bf7\u59cb\u7ec8\u5c06\u9053\u5fb7\u5b9e\u8df5\u653e\u5728\u9996\u4f4d\uff0c\u5c0a\u91cd\u7f51\u7ad9\u7684\u670d\u52a1\u6761\u6b3e\uff0c\u5e76\u6ce8\u610f\u6570\u636e\u9690\u79c1\u3002 <\/p>\n\n\n\n<p>\u6211\u4eec\u53ea\u662f\u89e6\u53ca\u4e86\u51b0\u5c71\u4e00\u89d2\u3002\u7f51\u7edc\u6293\u53d6\u662f\u4e00\u4e2a\u76f8\u5f53\u5168\u9762\u7684\u8bdd\u9898\u3002\u4e0d\u8fc7\uff0c\u563f\uff0c\u4f60\u5df2\u7ecf\u522e\u8fc7\u4e00\u4e2a\u7f51\u7ad9\u4e86\uff01 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