{"id":20877,"date":"2026-06-21T10:05:03","date_gmt":"2026-06-21T02:05:03","guid":{"rendered":"https:\/\/92it.top\/?p=20877"},"modified":"2026-06-21T10:05:03","modified_gmt":"2026-06-21T02:05:03","slug":"node-js-%e6%98%af%e4%bb%80%e4%b9%88","status":"publish","type":"post","link":"https:\/\/92it.top\/?p=20877","title":{"rendered":"Node.js \u662f\u4ec0\u4e48"},"content":{"rendered":"\n<p>\u8f6c\u8f7d\uff1a\u5c0f\u7ea2\u4e66 \u7a0b\u5e8f\u5458\u679d\u6960<\/p>\n\n\n\n<p><strong>\u524d\u8a00\ud83d\udd16<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>Node.js \u5e76\u4e0d\u662f\u4e00\u95e8\u65b0\u7684\u7f16\u7a0b\u8bed\u8a00\uff0c\u5b83\u672c\u8d28\u662f\u4e00\u6b3e\u80fd\u591f\u8ba9 JavaScript \u5728\u670d\u52a1\u5668\u7aef\u8fd0\u884c\u7684\u8fd0\u884c\u65f6\u73af\u5883\u3002 \u7b80\u5355\u6765\u8bb2\uff0c\u5b83\u8d4b\u4e88\u4e86 JavaScript \u8131\u79bb\u6d4f\u89c8\u5668\u8fd0\u884c\u7684\u80fd\u529b\uff0c\u4f7f\u5176\u53ef\u4ee5\u50cf PHP\u3001Python \u4e00\u6837\uff0c\u76f4\u63a5\u5728\u7535\u8111\u4e2d\u6267\u884c\u4ee3\u7801\u3002\u672c\u6587\u4f1a\u9010\u5c42\u62c6\u89e3\uff0c\u5e26\u4f60\u5f7b\u5e95\u5f04\u61c2 Node.js \u7684\u6838\u5fc3\u5b9a\u4e49\u3001\u5b83\u80fd\u6210\u4e3a\u540e\u7aef\u70ed\u95e8\u6280\u672f\u7684\u539f\u56e0\uff0c\u4ee5\u53ca\u533a\u522b\u4e8e\u4f20\u7edf\u670d\u52a1\u7aef\u8bed\u8a00\u7684\u72ec\u7279\u8bbe\u8ba1\u903b\u8f91\u4e0e\u8fd0\u884c\u6d41\u7a0b\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"475\" src=\"https:\/\/92it.top\/wp-content\/uploads\/2026\/06\/\u56fe\u7247-20-1024x475.png\" alt=\"\" class=\"wp-image-20881\" style=\"width:534px;height:auto\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2026\/06\/\u56fe\u7247-20-1024x475.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2026\/06\/\u56fe\u7247-20-300x139.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2026\/06\/\u56fe\u7247-20-768x356.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2026\/06\/\u56fe\u7247-20-830x385.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2026\/06\/\u56fe\u7247-20-230x107.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2026\/06\/\u56fe\u7247-20-350x162.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2026\/06\/\u56fe\u7247-20-480x223.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2026\/06\/\u56fe\u7247-20.png 1484w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<p>\u3000\u3000<\/p>\n\n\n\n<p><strong>\u4e00\u3001\u8bde\u751f\u521d\u8877\uff1a\u89e3\u51b3\u4f20\u7edf\u670d\u52a1\u5668\u9ad8\u5e76\u53d1\u8d44\u6e90\u6d6a\u8d39\u95ee\u9898\ud83d\udd16<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>Node.js \u7684\u8bde\u751f\uff0c\u6838\u5fc3\u662f\u4e3a\u4e86\u89e3\u51b3\u4f20\u7edf Web 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\u98a0\u8986\u4e86\u8fd9\u5957\u8001\u65e7\u6a21\u578b\uff1a\u5b83\u57fa\u4e8e\u8c37\u6b4c V8 \u5f15\u64ce\uff08Chrome \u6d4f\u89c8\u5668\u540c\u6b3e JavaScript \u89e3\u6790\u5f15\u64ce\uff09\uff0c\u72ec\u521b<strong>\u5355\u7ebf\u7a0b\u975e\u963b\u585e IO<\/strong>\u67b6\u6784\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"684\" src=\"https:\/\/92it.top\/wp-content\/uploads\/2026\/06\/\u56fe\u7247-22-1024x684.png\" alt=\"\" class=\"wp-image-20883\" style=\"width:578px;height:auto\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2026\/06\/\u56fe\u7247-22-1024x684.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2026\/06\/\u56fe\u7247-22-300x201.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2026\/06\/\u56fe\u7247-22-768x513.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2026\/06\/\u56fe\u7247-22-1536x1027.png 1536w, https:\/\/92it.top\/wp-content\/uploads\/2026\/06\/\u56fe\u7247-22-830x555.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2026\/06\/\u56fe\u7247-22-230x154.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2026\/06\/\u56fe\u7247-22-350x234.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2026\/06\/\u56fe\u7247-22-480x321.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2026\/06\/\u56fe\u7247-22.png 1538w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<p>\u6211\u4eec\u53ef\u4ee5\u7528\u94f6\u884c\u7a97\u53e3\u7684\u4f8b\u5b50\u76f4\u89c2\u7406\u89e3\u8fd9\u5957\u673a\u5236\uff1a 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\u64cd\u4f5c\u5b8c\u6210\u3001\u6570\u636e\u8fd4\u56de\u540e\uff0c\u518d\u901a\u8fc7\u4e8b\u4ef6\u5faa\u73af\u673a\u5236\uff0c\u56de\u5934\u6267\u884c\u5bf9\u5e94\u4e1a\u52a1\u903b\u8f91\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"674\" src=\"https:\/\/92it.top\/wp-content\/uploads\/2026\/06\/\u56fe\u7247-24-1024x674.png\" alt=\"\" class=\"wp-image-20885\" style=\"width:592px;height:auto\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2026\/06\/\u56fe\u7247-24-1024x674.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2026\/06\/\u56fe\u7247-24-300x198.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2026\/06\/\u56fe\u7247-24-768x506.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2026\/06\/\u56fe\u7247-24-1536x1011.png 1536w, https:\/\/92it.top\/wp-content\/uploads\/2026\/06\/\u56fe\u7247-24-830x547.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2026\/06\/\u56fe\u7247-24-230x151.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2026\/06\/\u56fe\u7247-24-350x230.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2026\/06\/\u56fe\u7247-24-480x316.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2026\/06\/\u56fe\u7247-24.png 1546w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<p>\u3000\u3000<\/p>\n\n\n\n<p><strong>\ud83d\udd39\u5ef6\u4f38\u5c0f\u77e5\u8bc6<\/strong><\/p>\n\n\n\n<p>Node.js\u662f\u975e\u963b\u585eIO\uff0c\u4f46\u662f\u67e5\u8be2\u6570\u636e\u5e93\uff0c\u8bfb\u5199\u6587\u4ef6\uff0c\u96be\u9053\u4e0d\u4f1a\u963b\u585eIO\u5417\uff1f<\/p>\n\n\n\n<p>Node.js \u4e3b\u7ebf\u7a0b<strong>\u4e0d\u4f1a\u88ab\u6570\u636e\u5e93\u3001\u6587\u4ef6\u8bfb\u5199\u963b\u585e<\/strong>\uff0c\u67e5\u8be2\u6570\u636e\u5e93 \/ \u8bfb\u5199\u6587\u4ef6\u65f6\uff0cNode \u5b8c\u5168\u53ef\u4ee5\u6b63\u5e38\u54cd\u5e94\u5176\u4ed6\u7528\u6237\u8bf7\u6c42\u3002<\/p>\n\n\n\n<p>\u5173\u952e\u533a\u5206\u4e24\u4e2a\u6982\u5ff5\uff1a<strong>\u4e3b\u7ebf\u7a0b JS \u6267\u884c\u963b\u585e<\/strong> vs <strong>\u5e95\u5c42\u64cd\u4f5c\u7cfb\u7edf IO \u7b49\u5f85<\/strong>\uff08Node \u5355\u7ebf\u7a0b + \u975e\u963b\u585e IO \u7684\u5e95\u5c42\u5206\u5de5\uff09\u3002<\/p>\n\n\n\n<p><strong>Node.js \u5206\u4e3a\u4e24\u5c42\uff1a<\/strong><\/p>\n\n\n\n<ul>\n<li><strong>JS \u4e3b\u7ebf\u7a0b\uff08\u4e8b\u4ef6\u5faa\u73af Event Loop\uff09<\/strong> \u53ea\u8d1f\u8d23\u8dd1 JavaScript \u903b\u8f91\u3001\u56de\u8c03\u51fd\u6570\u3001\u4e8b\u4ef6\u5206\u53d1\uff0c\u6240\u6709\u4e1a\u52a1\u4ee3\u7801\u90fd\u5728\u8fd9\u91cc\u4e32\u884c\u6267\u884c\uff1b <\/li>\n\n\n\n<li><strong>libuv \u7ebf\u7a0b\u6c60 \/ \u64cd\u4f5c\u7cfb\u7edf\u5185\u6838\u5f02\u6b65 IO<\/strong> \u6587\u4ef6\u8bfb\u5199\u3001\u6570\u636e\u5e93\u7f51\u7edc\u8bf7\u6c42\u3001\u7f51\u7edc IO \u8fd9\u7c7b\u8017\u65f6\u7b49\u5f85\u64cd\u4f5c\uff0c<strong>\u5168\u90e8\u4ea4\u7ed9\u5e95\u5c42\uff0c\u4e0d\u5360\u7528\u4e3b\u7ebf\u7a0b<\/strong>\u3002<\/li>\n<\/ul>\n\n\n\n<p>libuv \u662f\u4e00\u4e2a<strong>\u8de8\u5e73\u53f0 C \u8bed\u8a00\u7f16\u5199\u7684\u5f02\u6b65 IO \u5e95\u5c42\u5e93<\/strong>\uff0c\u662f Node.js \u5b9e\u73b0\u300c\u5355\u7ebf\u7a0b\u3001\u975e\u963b\u585e IO\u3001\u4e8b\u4ef6\u5faa\u73af\u300d\u7684\u6838\u5fc3\u5e95\u5c42\u57fa\u77f3\u3002 \u6ca1\u6709 libuv\uff0cV8 \u5f15\u64ce\u53ea\u80fd\u8dd1 JS\uff0c\u6839\u672c\u505a\u4e0d\u4e86\u670d\u52a1\u7aef\u3001\u6587\u4ef6\u3001\u7f51\u7edc\u3001\u5b9a\u65f6\u5668\u7b49\u64cd\u4f5c\u3002<\/p>\n\n\n\n<p>V8 \u53ea\u8d1f\u8d23\u6267\u884c JavaScript \u4ee3\u7801\uff0c<strong>\u6ca1\u6709\u64cd\u4f5c\u7cfb\u7edf\u4ea4\u4e92\u80fd\u529b<\/strong>\uff1b \u4f60\u5199\u7684 <code>fs<\/code>\u3001<code>net<\/code>\u3001<code>http<\/code>\u3001\u6570\u636e\u5e93\u7f51\u7edc\u8bf7\u6c42\u3001\u5b9a\u65f6\u5668\u3001\u5b50\u8fdb\u7a0b\u7b49\u5185\u7f6e API\uff0c\u5e95\u5c42\u5168\u90e8\u4e2d\u8f6c\u5230 libuv\uff1b <strong>libuv \u662f Node \u548c\u64cd\u4f5c\u7cfb\u7edf\u4e4b\u95f4\u7684\u4e2d\u95f4\u5c42<\/strong>\uff0c\u7edf\u4e00\u5c01\u88c5 Windows\/macOS\/Linux \u4e0d\u540c\u7cfb\u7edf\u7684\u5e95\u5c42 IO \u63a5\u53e3\uff1a<\/p>\n\n\n\n<ul>\n<li>Linux\uff1aepoll<\/li>\n\n\n\n<li>macOS\uff1akqueue<\/li>\n\n\n\n<li>Windows\uff1aIOCP<\/li>\n<\/ul>\n\n\n\n<p>libuv \u8c03\u7528\u7cfb\u7edf\u5185\u6838 API \u5b8c\u6210\u7f51\u7edc\u3001\u6587\u4ef6\u3001\u8fdb\u7a0b\u3001\u5f02\u6b65\u7b49\u5f85\u7b49\u64cd\u4f5c\uff1b IO \u64cd\u4f5c\u5b8c\u6210\u540e\uff0clibuv \u901a\u8fc7\u4e8b\u4ef6\u5faa\u73af\u628a\u56de\u8c03\u629b\u56de JS \u4e3b\u7ebf\u7a0b\u6267\u884c\u3002<\/p>\n\n\n\n<p><strong>\u6781\u7b80\u94fe\u8def\uff1a<\/strong>JS \u4ee3\u7801 \u2192 Node \u5185\u7f6e\u6a21\u5757 \u2192 <strong>libuv<\/strong> \u2192 \u64cd\u4f5c\u7cfb\u7edf\u5185\u6838<\/p>\n\n\n\n<p>\u3000\u3000<\/p>\n\n\n\n<p><strong>Node.js \u6574\u4f53\u5206\u5c42\uff08\u4ece\u4e0a\u5230\u4e0b\uff09<\/strong><\/p>\n\n\n\n<ol>\n<li>JavaScript \u4e1a\u52a1\u4ee3\u7801\uff08\u4f60\u5199\u7684\u63a5\u53e3\u3001\u67e5\u8be2\u6570\u636e\u5e93\u3001fs \u8bfb\u5199\uff09<\/li>\n\n\n\n<li>Node.js \u5185\u7f6e API\uff08fs \/http\/mysql \u7f51\u7edc\u8bf7\u6c42 \/setTimeout\uff09<\/li>\n\n\n\n<li><strong>libuv\uff08\u6838\u5fc3\u8c03\u5ea6\u5c42\uff09<\/strong><\/li>\n\n\n\n<li>\u64cd\u4f5c\u7cfb\u7edf\u5e95\u5c42 API\uff08Windows IOCP\u3001Linux epoll\u3001macOS kqueue\uff09<\/li>\n<\/ol>\n\n\n\n<p>V8 \u53ea\u8d1f\u8d23\u6267\u884c JS \u4ee3\u7801\uff1b\u6240\u6709\u548c\u64cd\u4f5c\u7cfb\u7edf\u6253\u4ea4\u9053\u7684\u810f\u6d3b\u3001\u5f02\u6b65\u7b49\u5f85\u3001\u7ebf\u7a0b\u7ba1\u7406\uff0c\u5168\u662f libuv \u5e72\u7684\u3002<\/p>\n\n\n\n<p>\u3000\u3000<\/p>\n\n\n\n<p><strong>libuv \u8fd8\u7ba1\u7406\u54ea\u4e9b\u529f\u80fd\uff1f<\/strong><\/p>\n\n\n\n<ol>\n<li>\u5b9a\u65f6\u5668 <code>setTimeout<\/code> \/ <code>setInterval<\/code><\/li>\n\n\n\n<li>\u8fdb\u7a0b\u3001\u5b50\u8fdb\u7a0b\u7ba1\u7406<\/li>\n\n\n\n<li>\u4fe1\u53f7\u76d1\u542c\u3001\u8de8\u5e73\u53f0\u517c\u5bb9\uff08\u4e00\u5957\u4ee3\u7801\u8dd1 Windows\u3001Mac\u3001Linux\uff09<\/li>\n\n\n\n<li>\u5f02\u6b65 TCP\/UDP \u7f51\u7edc<\/li>\n\n\n\n<li>\u7ba1\u9053\u3001\u6587\u4ef6\u76d1\u63a7<\/li>\n<\/ol>\n\n\n\n<p>\u3000\u3000<\/p>\n\n\n\n<p><strong>\u4e8c\u3001\u6838\u5fc3\u4f18\u52bf\uff1aIO \u5bc6\u96c6\u578b\u573a\u666f\u9ad8\u6027\u80fd\u3001\u4f4e\u5185\u5b58\u5360\u7528\ud83d\udd16<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>\u8fd9\u5957\u5355\u7ebf\u7a0b\u975e\u963b\u585e IO \u7684\u8bbe\u8ba1\uff0c\u8ba9 Node.js \u6781\u5176\u9002\u914d IO \u5bc6\u96c6\u578b\u4e1a\u52a1\u573a\u666f\uff0c\u4f8b\u5982\u5b9e\u65f6\u804a\u5929\u7cfb\u7edf\u3001\u5728\u7ebf\u534f\u540c\u5de5\u5177\u3001\u6d41\u5a92\u4f53\u540e\u7aef\u3001\u9ad8\u5e76\u53d1\u8d1f\u8f7d\u5747\u8861\u670d\u52a1\u7b49\u3002<\/p>\n\n\n\n<p>\u76f8\u6bd4\u591a\u8fdb\u7a0b\u3001\u591a\u7ebf\u7a0b\u67b6\u6784\u7684\u4f20\u7edf\u670d\u52a1\u5668\uff0c\u5b83\u7684\u5185\u5b58\u6d88\u8017\u6781\u4f4e\uff1a\u540c\u6837\u627f\u8f7d 1000 \u6761\u5e76\u53d1\u8bf7\u6c42\uff0c\u4f20\u7edf PHP \u670d\u52a1\u53ef\u80fd\u9700\u8981\u5360\u7528 1GB \u5185\u5b58\uff0c\u800c Node.js \u4ec5\u9700\u51e0\u5341 MB \u5185\u5b58\u5373\u53ef\u7a33\u5b9a\u8fd0\u884c\u3002<\/p>\n\n\n\n<p>\u4e4b\u6240\u4ee5\u80fd\u505a\u5230\u8f7b\u91cf\u5316\uff0c\u662f\u56e0\u4e3a\u5b83\u65e0\u9700\u4e3a\u6bcf\u4e00\u6761\u8bf7\u6c42\u65b0\u5efa\u72ec\u7acb\u7ebf\u7a0b\uff0c\u5168\u90e8\u8bf7\u6c42\u90fd\u5728\u540c\u4e00\u6761\u4e3b\u7ebf\u7a0b\u5185\u8c03\u5ea6\u6d41\u8f6c\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"701\" src=\"https:\/\/92it.top\/wp-content\/uploads\/2026\/06\/\u56fe\u7247-25-1024x701.png\" alt=\"\" class=\"wp-image-20888\" style=\"width:608px;height:auto\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2026\/06\/\u56fe\u7247-25-1024x701.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2026\/06\/\u56fe\u7247-25-300x205.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2026\/06\/\u56fe\u7247-25-768x526.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2026\/06\/\u56fe\u7247-25-1536x1051.png 1536w, https:\/\/92it.top\/wp-content\/uploads\/2026\/06\/\u56fe\u7247-25-830x568.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2026\/06\/\u56fe\u7247-25-230x157.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2026\/06\/\u56fe\u7247-25-350x240.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2026\/06\/\u56fe\u7247-25-480x329.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2026\/06\/\u56fe\u7247-25.png 1578w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<p>\u3000\u3000<\/p>\n\n\n\n<p><strong>\ud83d\udd39\u963b\u585eIO\u7684\u4f8b\u5b50<\/strong><\/p>\n\n\n\n<p><strong>CPU \u5bc6\u96c6\u540c\u6b65 JS \u8fd0\u7b97\uff08\u5361\u6b7b\u670d\u52a1\u5178\u578b\u4f8b\u5b50\uff09<\/strong><\/p>\n\n\n\n<p>\u4e3b\u7ebf\u7a0b\u4e00\u76f4\u5728\u505a\u5faa\u73af\u8ba1\u7b97\uff0c\u4e8b\u4ef6\u5faa\u73af\u505c\u4f4f\uff0c\u6240\u6709\u65b0\u8bf7\u6c42\u6392\u961f\uff0c\u6d4f\u89c8\u5668\u53d1\u8bf7\u6c42\u4f1a\u4e00\u76f4\u8f6c\u5708\u8d85\u65f6\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">const http = require('http');\n\nconst server = http.createServer((req, res) => {\n  \/\/ \u53ea\u8981\u6709\u4eba\u8bbf\u95ee\uff0c\u7acb\u523b\u6267\u884c\u8d85\u5927\u5faa\u73af\uff0c\u963b\u585e\u4e3b\u7ebf\u7a0b\n  let total = 0;\n  \/\/ \u5341\u4ebf\u6b21\u5faa\u73af\uff0cCPU\u6253\u6ee1\uff0c\u5361\u4f4f\u6574\u4e2a\u670d\u52a1\n  for (let i = 0; i &lt; 1_000_000_000; i++) {\n    total += i;\n  }\n\n  res.end(`\u8ba1\u7b97\u5b8c\u6210\uff1a${total}`);\n});\n\nserver.listen(3000, () => {\n  console.log('\u670d\u52a1\u542f\u52a8 3000 \u7aef\u53e3');\n});\n\n\u73b0\u8c61\uff1a\n\u7b2c\u4e00\u4e2a\u7528\u6237\u8fdb\u6765\uff0c\u5f00\u59cb\u75af\u72c2\u8ba1\u7b97\uff1b\n\u8fd9\u671f\u95f4\u4efb\u4f55\u65b0\u7528\u6237\u8bbf\u95ee 3000 \u7aef\u53e3\u90fd\u65e0\u54cd\u5e94\u3001\u8d85\u65f6\uff1b\n\u6570\u636e\u5e93\u67e5\u8be2\u3001\u6587\u4ef6\u8bfb\u5199\u3001\u5b9a\u65f6\u5668\u5168\u90e8\u505c\u6ede\u3002<\/pre>\n\n\n\n<p><strong>\u540c\u6b65 IO \u65b9\u6cd5\uff08\u540c\u6b65\u8bfb\u6587\u4ef6\u3001\u540c\u6b65\u6570\u636e\u5e93\u7b49\uff09<\/strong><\/p>\n\n\n\n<p>Node \u6240\u6709\u5e26 <code>Sync<\/code> \u540e\u7f00\u7684 API \u90fd\u662f<strong>\u963b\u585e\u4e3b\u7ebf\u7a0b IO<\/strong>\uff0c\u7b49\u5f85 IO \u5b8c\u6210\u524d\uff0c\u4e0d\u5904\u7406\u4efb\u4f55\u5176\u4ed6\u8bf7\u6c42\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">const http = require('http');\nconst fs = require('fs');\n\nconst server = http.createServer((req, res) => {\n  \/\/ \u540c\u6b65\u8bfb\u6587\u4ef6\uff1a\u4e3b\u7ebf\u7a0b\u5361\u6b7b\uff0c\u7b49\u5f85\u78c1\u76d8\u8bfb\u53d6\u5b8c\u6210\n  const content = fs.readFileSync('.\/big-log.txt', 'utf8');\n  res.end(content.slice(0, 100));\n});\n\nserver.listen(3000);\n\n\u53ea\u8981\u78c1\u76d8\u8bfb\u53d6\u6ca1\u7ed3\u675f\uff0c\u6240\u6709\u5916\u90e8\u8bf7\u6c42\u5168\u90e8\u5361\u4f4f\u3002\n<\/pre>\n\n\n\n<p>\u3000\u3000<\/p>\n\n\n\n<p><strong>\u4e09\u3001\u5929\u751f\u77ed\u677f\uff1a\u4e0d\u64c5\u957f CPU \u5bc6\u96c6\u578b\u4efb\u52a1\uff0c\u914d\u5957\u89e3\u51b3\u65b9\u6848\ud83d\udd16<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>\u5355\u7ebf\u7a0b\u67b6\u6784\u540c\u65f6\u4e5f\u5e26\u6765\u4e86\u660e\u663e\u77ed\u677f\uff1a\u5982\u679c\u4ee3\u7801\u4e2d\u5b58\u5728\u91cd\u5ea6 CPU \u8ba1\u7b97\u903b\u8f91\uff0c\u4f1a\u76f4\u63a5\u963b\u585e\u6574\u6761\u4e8b\u4ef6\u5faa\u73af\u3002<\/p>\n\n\n\n<p>\u4e3e\u51e0\u4e2a\u5178\u578b\u573a\u666f\uff1a\u5904\u7406\u9ad8\u5206\u8fa8\u7387\u56fe\u7247\u3001\u538b\u7f29\u5927\u578b\u89c6\u9891\u3001\u590d\u6742\u52a0\u5bc6\u89e3\u5bc6\u8fd0\u7b97\u3002\u8fd9\u7c7b\u4efb\u52a1\u4f1a\u72ec\u5360\u552f\u4e00\u4e3b\u7ebf\u7a0b\uff0c\u76f8\u5f53\u4e8e\u94f6\u884c\u7a97\u53e3\u88ab\u4e00\u9879\u8017\u65f6\u4e1a\u52a1\u9501\u6b7b\uff0c\u540e\u7eed\u6240\u6709\u7528\u6237\u8bf7\u6c42\u5168\u90e8\u6392\u961f\u7b49\u5f85\uff0c\u670d\u52a1\u5668\u6574\u4f53\u6027\u80fd\u65ad\u5d16\u5f0f\u4e0b\u8dcc\u3002<\/p>\n\n\n\n<p>\u56e0\u6b64 Node.js \u5929\u751f\u4e0d\u9002\u5408 CPU \u5bc6\u96c6\u578b\u4e1a\u52a1\uff0c\u5728\u8fd9\u7c7b\u573a\u666f\u4e0b\uff0cJava\u3001Go \u7b49\u539f\u751f\u591a\u7ebf\u7a0b\u8bed\u8a00\u66f4\u5177\u5907\u4f18\u52bf\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"728\" src=\"https:\/\/92it.top\/wp-content\/uploads\/2026\/06\/\u56fe\u7247-27-1024x728.png\" alt=\"\" class=\"wp-image-20890\" style=\"width:560px;height:auto\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2026\/06\/\u56fe\u7247-27-1024x728.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2026\/06\/\u56fe\u7247-27-300x213.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2026\/06\/\u56fe\u7247-27-768x546.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2026\/06\/\u56fe\u7247-27-1536x1092.png 1536w, https:\/\/92it.top\/wp-content\/uploads\/2026\/06\/\u56fe\u7247-27-830x590.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2026\/06\/\u56fe\u7247-27-230x164.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2026\/06\/\u56fe\u7247-27-350x249.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2026\/06\/\u56fe\u7247-27-480x341.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2026\/06\/\u56fe\u7247-27.png 1550w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<p>\u4e3a\u5f25\u8865\u8fd9\u4e00\u7f3a\u9677\uff0cNode.js \u63d0\u4f9b\u4e86\u5de5\u4f5c\u7ebf\u7a0b\u6a21\u5757\u3002\u5f00\u53d1\u8005\u53ef\u4ee5\u5c06\u91cd\u5ea6 CPU \u8ba1\u7b97\u7684\u5b50\u4efb\u52a1\u62c6\u5206\uff0c\u4ea4\u7ed9\u72ec\u7acb\u7684\u5b50\u7ebf\u7a0b\u6267\u884c\uff0c\u8ba1\u7b97\u5b8c\u6210\u540e\u518d\u5c06\u7ed3\u679c\u4f20\u56de\u4e3b\u7ebf\u7a0b\u3002\u4f46\u8fd9\u79cd\u65b9\u5f0f\u672c\u8d28\u4e0a\u7ed5\u5f00\u4e86\u539f\u751f\u5355\u7ebf\u7a0b\u8bbe\u8ba1\uff0c\u9700\u8981\u5f00\u53d1\u4eba\u5458\u624b\u52a8\u62c6\u5206\u4efb\u52a1\uff0c\u589e\u52a0\u4e86\u5f00\u53d1\u6210\u672c\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/92it.top\/wp-content\/uploads\/2026\/06\/\u56fe\u7247-28-1024x683.png\" alt=\"\" class=\"wp-image-20891\" style=\"width:598px;height:auto\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2026\/06\/\u56fe\u7247-28-1024x683.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2026\/06\/\u56fe\u7247-28-300x200.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2026\/06\/\u56fe\u7247-28-768x512.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2026\/06\/\u56fe\u7247-28-1536x1025.png 1536w, https:\/\/92it.top\/wp-content\/uploads\/2026\/06\/\u56fe\u7247-28-830x554.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2026\/06\/\u56fe\u7247-28-230x153.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2026\/06\/\u56fe\u7247-28-350x233.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2026\/06\/\u56fe\u7247-28-480x320.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2026\/06\/\u56fe\u7247-28.png 1604w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<p>\u3000\u3000<\/p>\n\n\n\n<p><strong>\u56db\u3001\u751f\u6001\u738b\u724c\uff1anpm \u5168\u7403\u6700\u5927\u8f6f\u4ef6\u5305\u5e93\ud83d\udd16<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>Node.js \u53e6\u4e00\u5927\u6838\u5fc3\u7ade\u4e89\u529b\uff0c\u662f\u914d\u5957\u7684\u5305\u7ba1\u7406\u5668 npm\u3002<\/p>\n\n\n\n<p>npm \u662f\u5168\u7403\u89c4\u6a21\u6700\u5927\u7684\u8f6f\u4ef6\u5305\u6ce8\u518c\u4ed3\u5e93\uff0c\u51e0\u4e4e\u6240\u6709\u5f00\u53d1\u9700\u6c42\uff0c\u90fd\u80fd\u627e\u5230\u6210\u719f\u5f00\u6e90\u5de5\u5177\u5305\u76f4\u63a5\u590d\u7528\u3002<\/p>\n\n\n\n<p>\u4e3e\u4f8b\uff1a\u642d\u5efa\u7f51\u7ad9\u7528\u6237\u767b\u5f55\u4f53\u7cfb\uff0c\u65e0\u9700\u4ece\u96f6\u7f16\u5199\u63a7\u5236\u5668\u3001\u8def\u7531\u3001\u4f1a\u8bdd\u7ba1\u7406\u903b\u8f91\uff0c\u4ec5\u4e00\u884c\u547d\u4ee4\u5c31\u80fd\u5b89\u88c5 Express \u670d\u52a1\u6846\u67b6\u4e0e Passport 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