{"id":10032,"date":"2025-07-03T09:38:23","date_gmt":"2025-07-03T01:38:23","guid":{"rendered":"https:\/\/www.cloudbypass.com\/tutorial\/?p=10032"},"modified":"2025-07-03T09:38:23","modified_gmt":"2025-07-03T01:38:23","slug":"%e7%bb%95%e8%bf%87%e4%b9%8b%e5%90%8e%e5%81%9a%e4%bb%80%e4%b9%88-%e7%94%a8node-js%e5%92%8ccheerio%e9%ab%98%e6%95%88%e8%a7%a3%e6%9e%90html-2","status":"publish","type":"post","link":"https:\/\/www.cloudbypass.com\/tutorial\/10032.html","title":{"rendered":"\u7ed5\u8fc7\u4e4b\u540e\u505a\u4ec0\u4e48 &#8211; \u7528Node.js\u548cCheerio\u9ad8\u6548\u89e3\u6790HTML"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>\u5f15\u8a00<\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/www.cloudbypass.com\/tutorial\/wp-content\/uploads\/2025\/05\/image-2025-05-07T100759.657.jpg\" alt=\"\" title=\"\"><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">\u901a\u8fc7<strong>\u4e13\u4e1a\u7ea7\u53cd\u53cd\u722c\u89e3\u51b3\u65b9\u6848<\/strong>\u2014\u2014\u7a7f\u4e91API\uff0c\u4f60\u7684Node.js\u7a0b\u5e8f\u5df2\u7ecf\u6210\u529f\u83b7\u53d6\u5230\u4e86\u88abCloudflare\u4fdd\u62a4\u7684\u3001\u5b9d\u8d35\u7684HTML\u6e90\u4ee3\u7801\u3002\u7136\u800c\uff0c\u8fd9\u4ec5\u4ec5\u662f\u6570\u636e\u91c7\u96c6\u6d41\u7a0b\u7684\u4e2d\u95f4\u4e00\u6b65\u3002\u63a5\u4e0b\u6765\uff0c\u4f60\u9700\u8981\u4ece\u8fd9\u5806HTML\u5b57\u7b26\u4e32\u4e2d\uff0c\u50cf\u505a\u5916\u79d1\u624b\u672f\u4e00\u6837\uff0c\u7cbe\u51c6\u3001\u9ad8\u6548\u5730\u63d0\u53d6\u51fa\u4f60\u6240\u9700\u8981\u7684\u6570\u636e\u3002\u5728Node.js\u751f\u6001\u4e2d\uff0c<code>Cheerio<\/code>\u5e93\u6b63\u662f\u5b8c\u6210\u8fd9\u9879\u4efb\u52a1\u7684\u6700\u4f73\u624b\u672f\u5200\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6587\u5c06\u9762\u5411Node.js\u5f00\u53d1\u8005\uff0c\u5728\u4f60\u6210\u529f\u7ed5\u8fc7Cloudflare\u4e4b\u540e\uff0c\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528<code>Cheerio<\/code>\u8fd9\u4e2a\u8f7b\u91cf\u800c\u5f3a\u5927\u7684\u5e93\uff0c\u6765\u9ad8\u6548\u5730\u89e3\u6790\u548c\u64cd\u4f5cHTML\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u4e00\u3001\u8ba4\u8bc6Cheerio\uff1a\u670d\u52a1\u5668\u7aef\u7684jQuery<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u4f60\u719f\u6089\u524d\u7aef\u5f00\u53d1\u7684jQuery\uff0c\u90a3\u4e48\u4f60\u4e0a\u624bCheerio\u5c06\u6beb\u65e0\u96be\u5ea6\u3002Cheerio\u7684\u6838\u5fc3\u7406\u5ff5\uff0c\u5c31\u662f\u5c06jQuery\u90a3\u5957\u5f3a\u5927\u800c\u7b80\u6d01\u7684API\uff0c\u642c\u5230\u4e86Node.js\u7684\u670d\u52a1\u5668\u7aef\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6838\u5fc3\u7279\u6027<\/strong>\uff1a\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>\u8f7b\u91cf\u4e0e\u5feb\u901f<\/strong>\uff1aCheerio\u4e0d\u4f9d\u8d56\u6d4f\u89c8\u5668\u73af\u5883\uff0c\u5b83\u89e3\u6790HTML\u7684\u901f\u5ea6\u975e\u5e38\u5feb\uff0c\u6027\u80fd\u8fdc\u8d85Puppeteer\u7b49\u65e0\u5934\u6d4f\u89c8\u5668\u3002<\/li>\n\n\n\n<li><strong>\u719f\u6089\u7684API<\/strong>\uff1a\u5b83\u5b9e\u73b0\u4e86jQuery\u6838\u5fc3\u529f\u80fd\u7684\u5b50\u96c6\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528\u540c\u6837\u7684\u9009\u62e9\u5668\u8bed\u6cd5\u3001DOM\u904d\u5386\u65b9\u6cd5\u548c\u5c5e\u6027\u64cd\u4f5c\u65b9\u6cd5\u3002<\/li>\n\n\n\n<li><strong>\u4e13\u6ce8\u4e8e\u89e3\u6790<\/strong>\uff1a\u5b83\u53ea\u505a\u4e00\u4ef6\u4e8b\uff0c\u5e76\u628a\u5b83\u505a\u5230\u6781\u81f4\u2014\u2014\u89e3\u6790\u548c\u64cd\u4f5cDOM\u3002<\/li>\n<\/ol>\n<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u4e8c\u3001\u7a7f\u4e91API\u4e0eCheerio\u7684\u9ec4\u91d1\u7ec4\u5408<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e2a\u7ec4\u5408\u7684\u5de5\u4f5c\u6d41\u975e\u5e38\u6e05\u6670\u548c\u9ad8\u6548\uff0c\u5b8c\u7f8e\u4f53\u73b0\u4e86\u201c\u8d23\u4efb\u5206\u79bb\u201d\u7684\u539f\u5219\u3002\u6574\u4e2a\u6d41\u7a0b\u5728\u6982\u5ff5\u4e0a\u5206\u4e3a\u56db\u4e2a\u6b65\u9aa4\uff1a<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>\u7b2c\u4e00\u6b65\uff1a\u83b7\u53d6\u6570\u636e<\/strong> \u60a8\u7684Node.js\u7a0b\u5e8f\u4f7f\u7528\u4e00\u4e2aHTTP\u5ba2\u6237\u7aef\u5e93\uff08\u4f8b\u5982<code>axios<\/code>\u6216<code>got<\/code>\uff09\uff0c\u4ee5\u5f02\u6b65\u7684\u65b9\u5f0f\u8c03\u7528<strong>\u7a7f\u4e91API<\/strong>\u7684\u63a5\u53e3\uff0c\u540c\u65f6\u5c06\u60a8\u771f\u6b63\u60f3\u8981\u91c7\u96c6\u7684\u76ee\u6807\u7f51\u7ad9URL\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u8fc7\u53bb\u3002<\/li>\n\n\n\n<li><strong>\u7b2c\u4e8c\u6b65\uff1a\u63a5\u6536\u5185\u5bb9<\/strong> \u7a7f\u4e91API\u4f1a\u5728\u5176\u4e91\u7aef\u670d\u52a1\u5668\u4e0a\uff0c\u5904\u7406\u6240\u6709\u4e0eCloudflare\u7684\u590d\u6742\u5bf9\u6297\uff0c\u5305\u62ec<strong>\u4e94\u79d2\u76fe<\/strong>\u3001<strong>Turnstile<\/strong>\u7b49\uff0c\u7136\u540e\u5c06\u4e0d\u5305\u542b\u4efb\u4f55\u9632\u62a4\u4ee3\u7801\u7684\u3001\u7eaf\u51c0\u7684HTML\u9875\u9762\u5185\u5bb9\uff0c\u4f5c\u4e3a\u4e00\u4e2a\u7b80\u5355\u7684\u5b57\u7b26\u4e32\u8fd4\u56de\u7ed9\u60a8\u7684Node.js\u7a0b\u5e8f\u3002<\/li>\n\n\n\n<li><strong>\u7b2c\u4e09\u6b65\uff1a\u52a0\u8f7d\u89e3\u6790<\/strong> \u60a8\u7684\u7a0b\u5e8f\u63a5\u6536\u5230\u8fd9\u4e2aHTML\u5b57\u7b26\u4e32\u540e\uff0c\u5c06\u5176\u52a0\u8f7d\u5230Cheerio\u5b9e\u4f8b\u4e2d\u3002\u8fd9\u4e2a\u8fc7\u7a0b\u975e\u5e38\u7b80\u5355\uff0c\u53ea\u9700\u4e00\u884c\u6982\u5ff5\u6027\u7684\u64cd\u4f5c\uff0c\u5373\u53ef\u5c06\u6574\u4e2aHTML\u6587\u6863\u53d8\u6210\u4e00\u4e2a\u53ef\u4f9b\u64cd\u4f5c\u7684\u3001\u7c7b\u4f3cjQuery\u7684\u5bf9\u8c61\u3002<\/li>\n\n\n\n<li><strong>\u7b2c\u56db\u6b65\uff1a\u63d0\u53d6\u4fe1\u606f<\/strong> \u73b0\u5728\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u6240\u6709\u60a8\u719f\u6089\u7684\u3001\u7c7b\u4f3cjQuery\u7684\u9009\u62e9\u5668\u8bed\u6cd5\u6765\u63d0\u53d6\u6570\u636e\u3002\u4f8b\u5982\uff0c\u4f7f\u7528CSS\u9009\u62e9\u5668<code>$('h1.main-title')<\/code>\u6765\u627e\u5230class\u4e3a<code>main-title<\/code>\u7684<code>h1<\/code>\u6807\u7b7e\uff0c\u7136\u540e\u4f7f\u7528<code>.text()<\/code>\u65b9\u6cd5\u83b7\u53d6\u5176\u6587\u672c\u5185\u5bb9\u3002\u6216\u8005\u4f7f\u7528<code>.each()<\/code>\u65b9\u6cd5\u6765\u904d\u5386\u6240\u6709class\u4e3a<code>.item-link<\/code>\u7684\u94fe\u63a5\uff0c\u5e76\u7528<code>.attr('href')<\/code>\u6765\u83b7\u53d6\u5b83\u4eec\u7684URL\u5730\u5740\u3002<\/li>\n<\/ol>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u4e09\u3001Cheerio\u5e38\u7528\u64cd\u4f5c\u6982\u5ff5<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u52a0\u8f7dHTML<\/strong>\uff1a\u5c06HTML\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u53ef\u64cd\u4f5c\u5bf9\u8c61\u3002<\/li>\n\n\n\n<li><strong>\u9009\u62e9\u5143\u7d20<\/strong>\uff1a\u4f7f\u7528CSS\u9009\u62e9\u5668\uff0c\u5982<code>'p.intro'<\/code>\u6216<code>'#main-content'<\/code>\u3002<\/li>\n\n\n\n<li><strong>\u83b7\u53d6\u5185\u5bb9<\/strong>\uff1a\u4f7f\u7528<code>.text()<\/code>\u83b7\u53d6\u7eaf\u6587\u672c\uff0c\u6216<code>.html()<\/code>\u83b7\u53d6\u5185\u90e8HTML\u3002<\/li>\n\n\n\n<li><strong>\u83b7\u53d6\u5c5e\u6027<\/strong>\uff1a\u4f7f\u7528<code>.attr('attribute-name')<\/code>\u83b7\u53d6\u6307\u5b9a\u5c5e\u6027\u7684\u503c\u3002<\/li>\n\n\n\n<li><strong>\u904d\u5386\u5faa\u73af<\/strong>\uff1a\u4f7f\u7528<code>.each()<\/code>\u6765\u5faa\u73af\u5904\u7406\u6240\u6709\u5339\u914d\u5230\u7684\u5143\u7d20\u3002<\/li>\n\n\n\n<li><strong>DOM\u5bfc\u822a<\/strong>\uff1a\u4f7f\u7528<code>.parent()<\/code>, <code>.children()<\/code>, <code>.siblings()<\/code>\u7b49\u65b9\u6cd5\u5728DOM\u6811\u4e2d\u79fb\u52a8\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u56db\u3001\u4f18\u52bf\u5bf9\u6bd4\uff1aCheerio vs. \u65e0\u5934\u6d4f\u89c8\u5668\u89e3\u6790<\/strong><\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><td>\u7279\u6027\u5bf9\u6bd4<\/td><td>\u4f7f\u7528Puppeteer\u7b49\u8fdb\u884c\u89e3\u6790<\/td><td><strong>Cheerio<\/strong><\/td><\/tr><\/thead><tbody><tr><td><strong>\u6027\u80fd<\/strong><\/td><td><strong>\u6162<\/strong>\uff0c\u9700\u8981\u4e00\u4e2a\u5b8c\u6574\u7684\u6d4f\u89c8\u5668\u73af\u5883\uff0c\u8d44\u6e90\u6d88\u8017\u5de8\u5927\u3002<\/td><td><strong>\u6781\u5feb<\/strong>\uff0c\u7eaf\u7cb9\u7684\u670d\u52a1\u5668\u7aef\u5b57\u7b26\u4e32\u89e3\u6790\uff0c\u6027\u80fd\u5353\u8d8a\u3002<\/td><\/tr><tr><td><strong>\u6613\u7528\u6027<\/strong><\/td><td>\u590d\u6742\uff0c\u9700\u8981\u5904\u7406\u5f02\u6b65\u3001\u7b49\u5f85\u3001\u9875\u9762\u4e0a\u4e0b\u6587\u5207\u6362\u7b49\u3002<\/td><td><strong>\u7b80\u5355<\/strong>\uff0cAPI\u76f4\u89c2\uff0c\u4e0e\u524d\u7aef\u5f00\u53d1\u7ecf\u9a8c\u65e0\u7f1d\u5bf9\u63a5\u3002<\/td><\/tr><tr><td><strong>\u7a33\u5b9a\u6027<\/strong><\/td><td>\u5dee\uff0c\u6d4f\u89c8\u5668\u8fdb\u7a0b\u53ef\u80fd\u5d29\u6e83\u3002<\/td><td><strong>\u9ad8<\/strong>\uff0c\u5e93\u672c\u8eab\u975e\u5e38\u7a33\u5b9a\u53ef\u9760\u3002<\/td><\/tr><tr><td><strong>\u9002\u7528\u573a\u666f<\/strong><\/td><td>\u9002\u7528\u4e8e\u5fc5\u987b\u5728\u6d4f\u89c8\u5668\u4e2d\u6267\u884cJS\u624d\u80fd\u6e32\u67d3\u5185\u5bb9\u7684\u9875\u9762\u3002<\/td><td><strong>\u9002\u7528\u4e8e\u7edd\u5927\u591a\u6570\u573a\u666f<\/strong>\uff0c\u7279\u522b\u662f\u5f53\u4f60\u5df2\u7ecf\u901a\u8fc7\u7a7f\u4e91API\u83b7\u53d6\u5230\u6700\u7ec8HTML\u540e\u3002<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bfc\u51fa\u5230 Google \u8868\u683c<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u4e94\u3001\u5e38\u89c1\u95ee\u9898\u89e3\u7b54 FAQ<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Q1: Cheerio\u80fd\u6267\u884cJavaScript\u5417\uff1f<\/strong> A: \u4e0d\u80fd\u3002Cheerio\u662f\u4e00\u4e2a\u7eaf\u7cb9\u7684HTML\u89e3\u6790\u5668\uff0c\u5b83\u4e0d\u5177\u5907JS\u6267\u884c\u5f15\u64ce\u3002\u8fd9\u6b63\u662f\u5b83\u8f7b\u5feb\u7684\u539f\u56e0\uff0c\u4e5f\u6070\u597d\u4e0e\u7a7f\u4e91API\u5f62\u6210\u5b8c\u7f8e\u4e92\u8865\u2014\u2014\u7a7f\u4e91API\u8d1f\u8d23\u5728\u4e91\u7aef\u6267\u884cJS\uff0cCheerio\u8d1f\u8d23\u5728\u672c\u5730\u89e3\u6790\u7ed3\u679c\u3002<\/li>\n\n\n\n<li><strong>Q2: \u5982\u679cHTML\u7ed3\u6784\u975e\u5e38\u4e0d\u89c4\u8303\uff0cCheerio\u80fd\u5904\u7406\u5417\uff1f<\/strong> A: \u662f\u7684\u3002Cheerio\u5e95\u5c42\u7684\u89e3\u6790\u5668\u5bb9\u9519\u6027\u5f88\u5f3a\uff0c\u80fd\u591f\u5f88\u597d\u5730\u5904\u7406\u5404\u79cd\u4e0d\u89c4\u8303\u7684HTML\u4ee3\u7801\uff0c\u8fd9\u4e0ePython\u7684BeautifulSoup\u7c7b\u4f3c\u3002<\/li>\n\n\n\n<li><strong>Q3: Cheerio\u548cPython\u7684BeautifulSoup\u6709\u4ec0\u4e48\u533a\u522b\uff1f<\/strong> A: \u4e24\u8005\u5728\u529f\u80fd\u548c\u7406\u5ff5\u4e0a\u975e\u5e38\u76f8\u4f3c\uff0c\u90fd\u662f\u4f18\u79c0\u7684HTML\u89e3\u6790\u5e93\u3002\u4e3b\u8981\u533a\u522b\u5728\u4e8e\u751f\u6001\u7cfb\u7edf\uff1aCheerio\u5c5e\u4e8eNode.js\u751f\u6001\uff0c\u9002\u5408JS\/TS\u5f00\u53d1\u8005\uff1bBeautifulSoup\u5c5e\u4e8ePython\u751f\u6001\uff0c\u9002\u5408Python\u5f00\u53d1\u8005\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u7ed3\u8bed<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u6210\u529f\u7684\u7ed5\u8fc7Cloudflare\u53ea\u662f\u5b8c\u6210\u4e86\u6570\u636e\u91c7\u96c6\u7684\u7b2c\u4e00\u6b65\uff0c\u800c\u9ad8\u6548\u3001\u7cbe\u51c6\u5730\u89e3\u6790\u6570\u636e\uff0c\u5219\u662f\u5b9e\u73b0\u6570\u636e\u4ef7\u503c\u7684\u5173\u952e\u3002\u5bf9\u4e8eNode.js\u5f00\u53d1\u8005\u800c\u8a00\uff0c\u5c06\u7a7f\u4e91API\u5f3a\u5927\u7684\u201c\u7a81\u7834\u80fd\u529b\u201d\u4e0eCheerio\u8f7b\u5feb\u3001\u4f18\u96c5\u7684\u201c\u89e3\u6790\u80fd\u529b\u201d\u76f8\u7ed3\u5408\uff0c\u65e0\u7591\u662f\u6784\u5efa\u73b0\u4ee3\u5316\u3001\u9ad8\u6027\u80fd\u722c\u866b\u7684\u6700\u4f73\u6280\u672f\u6808\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\ude80 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