{"id":50801,"date":"2025-08-10T12:25:32","date_gmt":"2025-08-10T04:25:32","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/50801.html"},"modified":"2025-08-10T12:25:32","modified_gmt":"2025-08-10T04:25:32","slug":"next-js-%e6%9c%8d%e5%8a%a1%e5%99%a8%e7%bb%84%e4%bb%b6%e4%b8%8e%e5%ae%a2%e6%88%b7%e7%ab%af%e7%bb%84%e4%bb%b6%ef%bc%9a%e5%8c%ba%e5%88%ab%e8%a7%a3%e6%9e%90","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/50801.html","title":{"rendered":"Next.js \u670d\u52a1\u5668\u7ec4\u4ef6\u4e0e\u5ba2\u6237\u7aef\u7ec4\u4ef6\uff1a\u533a\u522b\u89e3\u6790"},"content":{"rendered":"<h5>\u5173\u952e\u8981\u70b9<\/h5>\n<ul>\n<li>Next.js \u5f15\u5165\u4e86\u670d\u52a1\u5668\u7ec4\u4ef6&#xff08;Server Components&#xff09;\u548c\u5ba2\u6237\u7aef\u7ec4\u4ef6&#xff08;Client Components&#xff09;&#xff0c;\u901a\u8fc7 App Router&#xff08;app\/ 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\u4e2d\u5982\u4f55\u5b9e\u73b0\u548c\u7ed3\u5408\u4e24\u79cd\u7ec4\u4ef6\u3002<\/li>\n<li>\u63d0\u4f9b\u6027\u80fd\u4f18\u5316\u3001\u9519\u8bef\u5904\u7406\u548c\u5927\u578b\u9879\u76ee\u7ec4\u7ec7\u5b9e\u8df5\u3002<\/li>\n<li>\u5e2e\u52a9\u5f00\u53d1\u8005\u9009\u62e9\u5408\u9002\u7684\u7ec4\u4ef6\u7c7b\u578b\u5e76\u6784\u5efa\u9ad8\u6548\u5e94\u7528\u3002<\/li>\n<\/ul>\n<hr \/>\n<h3>1. \u5f15\u8a00<\/h3>\n<p>Next.js \u662f\u57fa\u4e8e React \u7684\u5168\u6808\u6846\u67b6&#xff0c;\u5176 App Router&#xff08;app\/ \u76ee\u5f55&#xff09;\u5f15\u5165\u4e86\u670d\u52a1\u5668\u7ec4\u4ef6&#xff08;Server Components&#xff09;\u548c\u5ba2\u6237\u7aef\u7ec4\u4ef6&#xff08;Client Components&#xff09;&#xff0c;\u63d0\u4f9b\u4e86\u4e00\u79cd\u5168\u65b0\u7684\u7ec4\u4ef6\u5f00\u53d1\u8303\u5f0f\u3002\u670d\u52a1\u5668\u7ec4\u4ef6\u5728\u670d\u52a1\u5668\u7aef\u6267\u884c\u6e32\u67d3\u548c\u6570\u636e\u83b7\u53d6&#xff0c;\u51cf\u5c11\u5ba2\u6237\u7aef JavaScript \u91cf&#xff0c;\u4f18\u5316\u6027\u80fd\u548c SEO&#xff1b;\u5ba2\u6237\u7aef\u7ec4\u4ef6\u5219\u5728\u6d4f\u89c8\u5668\u7aef\u8fd0\u884c&#xff0c;\u9002\u5408\u5904\u7406\u7528\u6237\u4ea4\u4e92\u548c\u52a8\u6001 UI\u3002\u8fd9\u79cd\u6df7\u5408\u67b6\u6784\u4f7f\u5f00\u53d1\u8005\u80fd\u591f\u6839\u636e\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u7ec4\u4ef6\u7c7b\u578b&#xff0c;\u6784\u5efa\u9ad8\u6548\u3001\u53ef\u6269\u5c55\u7684 Web \u5e94\u7528\u3002<\/p>\n<p>\u4e0e\u4f20\u7edf\u7684 Pages Router&#xff08;pages\/ \u76ee\u5f55&#xff09;\u4e0d\u540c&#xff0c;App Router \u9ed8\u8ba4\u4f7f\u7528\u670d\u52a1\u5668\u7ec4\u4ef6&#xff0c;\u5e76\u901a\u8fc7 &#039;use client&#039; \u6307\u4ee4\u663e\u5f0f\u58f0\u660e\u5ba2\u6237\u7aef\u7ec4\u4ef6\u3002\u672c\u6587\u5c06\u6df1\u5165\u6bd4\u8f83\u670d\u52a1\u5668\u7ec4\u4ef6\u548c\u5ba2\u6237\u7aef\u7ec4\u4ef6\u7684\u7279\u70b9&#xff0c;\u5206\u6790\u5b83\u4eec\u7684\u4f18\u7f3a\u70b9\u548c\u9002\u7528\u573a\u666f&#xff0c;\u5c55\u793a\u5982\u4f55\u5728 Next.js 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\u7684\u9ed8\u8ba4\u7ec4\u4ef6\u7c7b\u578b&#xff0c;\u5728\u670d\u52a1\u5668\u7aef\u6e32\u67d3\u5e76\u6267\u884c\u903b\u8f91&#xff0c;\u5177\u6709\u4ee5\u4e0b\u7279\u70b9&#xff1a;<\/p>\n<ul>\n<li>\u8fd0\u884c\u73af\u5883&#xff1a;\u4ec5\u5728\u670d\u52a1\u5668\u7aef\u8fd0\u884c&#xff0c;\u4e0d\u53d1\u9001\u5230\u5ba2\u6237\u7aef\u3002<\/li>\n<li>\u6e32\u67d3\u65b9\u5f0f&#xff1a;\u5728\u670d\u52a1\u5668\u7aef\u751f\u6210 HTML \u6216 React \u7ec4\u4ef6\u6811&#xff0c;\u76f4\u63a5\u53d1\u9001\u5230\u6d4f\u89c8\u5668\u3002<\/li>\n<li>\u6570\u636e\u83b7\u53d6&#xff1a;\u652f\u6301\u76f4\u63a5\u8bbf\u95ee\u670d\u52a1\u5668\u8d44\u6e90&#xff08;\u5982\u6570\u636e\u5e93\u3001\u6587\u4ef6\u7cfb\u7edf\u3001API&#xff09;&#xff0c;\u65e0\u9700\u989d\u5916\u7684\u5ba2\u6237\u7aef\u8bf7\u6c42\u3002<\/li>\n<li>\u4f18\u70b9&#xff1a;\n<ul>\n<li>\u51cf\u5c11\u5ba2\u6237\u7aef\u8d1f\u62c5&#xff1a;\u4e0d\u53d1\u9001 JavaScript 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\u7b49\u6d4f\u89c8\u5668\u529f\u80fd\u3002<\/li>\n<li>\u7075\u6d3b\u6027&#xff1a;\u9002\u5408\u590d\u6742\u7684\u4ea4\u4e92\u5f0f UI\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u9650\u5236&#xff1a;\n<ul>\n<li>\u589e\u52a0\u5ba2\u6237\u7aef\u8d1f\u62c5&#xff1a;\u53d1\u9001\u66f4\u591a JavaScript&#xff0c;\u589e\u52a0\u89e3\u6790\u548c\u6267\u884c\u65f6\u95f4\u3002<\/li>\n<li>SEO \u6311\u6218&#xff1a;\u52a8\u6001\u5185\u5bb9\u53ef\u80fd\u9700\u8981\u989d\u5916\u914d\u7f6e\u4ee5\u4f18\u5316\u641c\u7d22\u5f15\u64ce\u722c\u53d6\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4>2.3 \u6bd4\u8f83\u8868<\/h4>\n<table>\n<tr>\u7279\u6027\u670d\u52a1\u5668\u7ec4\u4ef6\u5ba2\u6237\u7aef\u7ec4\u4ef6<\/tr>\n<tbody>\n<tr>\n<td>\u8fd0\u884c\u73af\u5883<\/td>\n<td>\u670d\u52a1\u5668\u7aef<\/td>\n<td>\u6d4f\u89c8\u5668\u7aef<\/td>\n<\/tr>\n<tr>\n<td>\u6e32\u67d3\u65b9\u5f0f<\/td>\n<td>\u670d\u52a1\u5668\u7aef\u6e32\u67d3&#xff0c;\u751f\u6210 HTML<\/td>\n<td>\u5ba2\u6237\u7aef\u6e32\u67d3&#xff0c;\u9700 hydration<\/td>\n<\/tr>\n<tr>\n<td>\u6570\u636e\u83b7\u53d6<\/td>\n<td>\u76f4\u63a5\u8bbf\u95ee\u670d\u52a1\u5668\u8d44\u6e90<\/td>\n<td>\u901a\u8fc7 API \u8bf7\u6c42\u83b7\u53d6\u6570\u636e<\/td>\n<\/tr>\n<tr>\n<td>\u4ea4\u4e92\u6027<\/td>\n<td>\u65e0&#xff08;\u4e0d\u652f\u6301\u4e8b\u4ef6\u5904\u7406&#xff09;<\/td>\n<td>\u652f\u6301&#xff08;\u4e8b\u4ef6\u3001\u72b6\u6001\u3001\u94a9\u5b50&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u6d4f\u89c8\u5668 API<\/td>\n<td>\u4e0d\u652f\u6301<\/td>\n<td>\u652f\u6301<\/td>\n<\/tr>\n<tr>\n<td>JavaScript \u91cf<\/td>\n<td>\u51e0\u4e4e\u4e3a\u96f6<\/td>\n<td>\u8f83\u591a<\/td>\n<\/tr>\n<tr>\n<td>SEO<\/td>\n<td>\u4f18&#xff08;\u9759\u6001 HTML&#xff09;<\/td>\n<td>\u9700\u989d\u5916\u4f18\u5316<\/td>\n<\/tr>\n<tr>\n<td>\u9002\u7528\u573a\u666f<\/td>\n<td>\u9759\u6001\u5185\u5bb9\u3001\u6570\u636e\u5bc6\u96c6\u9875\u9762<\/td>\n<td>\u4ea4\u4e92\u5f0f UI\u3001\u52a8\u6001\u7ec4\u4ef6<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>3. App Router \u4e2d\u7684\u670d\u52a1\u5668\u7ec4\u4ef6<\/h3>\n<p>\u670d\u52a1\u5668\u7ec4\u4ef6\u662f App Router \u7684\u9ed8\u8ba4\u7ec4\u4ef6\u7c7b\u578b&#xff0c;\u6587\u4ef6\u65e0\u9700\u7279\u6b8a\u6807\u8bb0\u5373\u53ef\u4f5c\u4e3a\u670d\u52a1\u5668\u7ec4\u4ef6\u8fd0\u884c\u3002<\/p>\n<h4>3.1 \u57fa\u672c\u670d\u52a1\u5668\u7ec4\u4ef6<\/h4>\n<ul>\n<li>\n<p>\u9879\u76ee\u7ed3\u6784&#xff1a;<\/p>\n<p> app\/<br \/>\n\u251c\u2500\u2500 page.tsx          # \u6839\u9875\u9762&#xff08;\u670d\u52a1\u5668\u7ec4\u4ef6&#xff09;<br \/>\n\u251c\u2500\u2500 about\/<br \/>\n\u2502   \u251c\u2500\u2500 page.tsx      # \/about&#xff08;\u670d\u52a1\u5668\u7ec4\u4ef6&#xff09;\n <\/li>\n<li>\n<p>\u4ee3\u7801\u793a\u4f8b&#xff08;app\/page.tsx&#xff09;&#xff1a;<\/p>\n<p> <span class=\"token keyword\">export<\/span> <span class=\"token keyword\">default<\/span> <span class=\"token keyword\">async<\/span> <span class=\"token keyword\">function<\/span> <span class=\"token function\">Home<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token comment\">\/\/ \u6a21\u62df\u670d\u52a1\u5668\u7aef\u6570\u636e\u83b7\u53d6<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> data <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">await<\/span> <span class=\"token function\">fetch<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;https:\/\/api.example.com\/data&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">then<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>res<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> res<span class=\"token punctuation\">.<\/span><span class=\"token function\">json<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">(<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span>main className<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;flex min-h-screen flex-col items-center justify-center p-8&#034;<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n      <span class=\"token operator\">&lt;<\/span>h1 className<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;text-4xl font-bold&#034;<\/span><span class=\"token operator\">&gt;<\/span>\u6b22\u8fce\u4f7f\u7528 Next<span class=\"token punctuation\">.<\/span>js<span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>h1<span class=\"token operator\">&gt;<\/span><br \/>\n      <span class=\"token operator\">&lt;<\/span>p<span class=\"token operator\">&gt;<\/span>\u670d\u52a1\u5668\u7aef\u6570\u636e<span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span>data<span class=\"token punctuation\">.<\/span>message<span class=\"token punctuation\">}<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>p<span class=\"token operator\">&gt;<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>main<span class=\"token operator\">&gt;<\/span><br \/>\n  <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span>\n <\/li>\n<li>\n<p>\u6548\u679c&#xff1a;<\/p>\n<ul>\n<li>\u9875\u9762\u5728\u670d\u52a1\u5668\u7aef\u6e32\u67d3&#xff0c;\u5305\u542b\u4ece API \u83b7\u53d6\u7684\u6570\u636e\u3002<\/li>\n<li>\u65e0\u5ba2\u6237\u7aef JavaScript&#xff0c;\u5feb\u901f\u52a0\u8f7d\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4>3.2 \u6570\u636e\u83b7\u53d6<\/h4>\n<p>\u670d\u52a1\u5668\u7ec4\u4ef6\u652f\u6301\u76f4\u63a5\u5728\u7ec4\u4ef6\u4e2d\u83b7\u53d6\u6570\u636e&#xff0c;\u65e0\u9700\u989d\u5916\u7684 API \u8bf7\u6c42\u3002<\/p>\n<ul>\n<li>\n<p>\u4ee3\u7801\u793a\u4f8b&#xff08;app\/blog\/[slug]\/page.tsx&#xff09;&#xff1a;<\/p>\n<p> <span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">{<\/span> notFound <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;next\/navigation&#039;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">async<\/span> <span class=\"token keyword\">function<\/span> <span class=\"token function\">fetchPost<\/span><span class=\"token punctuation\">(<\/span>slug<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> res <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">await<\/span> <span class=\"token function\">fetch<\/span><span class=\"token punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">&#096;<\/span><span class=\"token string\">https:\/\/api.example.com\/posts\/<\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>slug<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token template-punctuation string\">&#096;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">return<\/span> res<span class=\"token punctuation\">.<\/span><span class=\"token function\">json<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">export<\/span> <span class=\"token keyword\">default<\/span> <span class=\"token keyword\">async<\/span> <span class=\"token keyword\">function<\/span> <span class=\"token function\">BlogPost<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span> params <span class=\"token punctuation\">}<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span> params<span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span> slug<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> post <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">await<\/span> <span class=\"token function\">fetchPost<\/span><span class=\"token punctuation\">(<\/span>params<span class=\"token punctuation\">.<\/span>slug<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>post<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">notFound<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">(<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span>main className<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;p-8&#034;<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n      <span class=\"token operator\">&lt;<\/span>h1 className<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;text-4xl font-bold&#034;<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">{<\/span>post<span class=\"token punctuation\">.<\/span>title<span class=\"token punctuation\">}<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>h1<span class=\"token operator\">&gt;<\/span><br \/>\n      <span class=\"token operator\">&lt;<\/span>p<span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">{<\/span>post<span class=\"token punctuation\">.<\/span>content<span class=\"token punctuation\">}<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>p<span class=\"token operator\">&gt;<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>main<span class=\"token operator\">&gt;<\/span><br \/>\n  <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span>\n <\/li>\n<li>\n<p>\u6548\u679c&#xff1a;<\/p>\n<ul>\n<li>\u670d\u52a1\u5668\u7aef\u76f4\u63a5\u83b7\u53d6\u6587\u7ae0\u6570\u636e&#xff0c;\u751f\u6210\u9759\u6001 HTML\u3002<\/li>\n<li>\u5982\u679c\u6587\u7ae0\u4e0d\u5b58\u5728&#xff0c;\u89e6\u53d1 404 \u9875\u9762\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4>3.3 \u5e03\u5c40\u4e2d\u7684\u670d\u52a1\u5668\u7ec4\u4ef6<\/h4>\n<p>\u670d\u52a1\u5668\u7ec4\u4ef6\u53ef\u7528\u4e8e\u5e03\u5c40&#xff0c;\u5b9a\u4e49\u5171\u4eab UI\u3002<\/p>\n<ul>\n<li>\n<p>\u4ee3\u7801\u793a\u4f8b&#xff08;app\/layout.tsx&#xff09;&#xff1a;<\/p>\n<p> <span class=\"token keyword\">import<\/span> <span class=\"token keyword\">type<\/span> <span class=\"token punctuation\">{<\/span> Metadata <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;next&#039;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">export<\/span> <span class=\"token keyword\">const<\/span> metadata<span class=\"token operator\">:<\/span> Metadata <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  title<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;\u6211\u7684 Next.js \u5e94\u7528&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  description<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;\u4f7f\u7528\u670d\u52a1\u5668\u7ec4\u4ef6\u6784\u5efa\u7684\u5e94\u7528&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">export<\/span> <span class=\"token keyword\">default<\/span> <span class=\"token keyword\">async<\/span> <span class=\"token keyword\">function<\/span> <span class=\"token function\">RootLayout<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><br \/>\n  children<span class=\"token punctuation\">,<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  children<span class=\"token operator\">:<\/span> React<span class=\"token punctuation\">.<\/span>ReactNode<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token comment\">\/\/ \u6a21\u62df\u670d\u52a1\u5668\u7aef\u6570\u636e<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> navItems <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">await<\/span> <span class=\"token function\">fetch<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;https:\/\/api.example.com\/nav&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">then<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>res<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> res<span class=\"token punctuation\">.<\/span><span class=\"token function\">json<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">(<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span>html lang<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;zh-CN&#034;<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n      <span class=\"token operator\">&lt;<\/span>body<span class=\"token operator\">&gt;<\/span><br \/>\n        <span class=\"token operator\">&lt;<\/span>header className<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;bg-blue-600 text-white p-4&#034;<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n          <span class=\"token operator\">&lt;<\/span>nav<span class=\"token operator\">&gt;<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span>navItems<span class=\"token punctuation\">.<\/span><span class=\"token function\">map<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>item<span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span> href<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span><span class=\"token punctuation\">;<\/span> label<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">(<\/span><br \/>\n              <span class=\"token operator\">&lt;<\/span>a key<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">{<\/span>item<span class=\"token punctuation\">.<\/span>href<span class=\"token punctuation\">}<\/span> href<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">{<\/span>item<span class=\"token punctuation\">.<\/span>href<span class=\"token punctuation\">}<\/span> className<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;mr-4 hover:underline&#034;<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n                <span class=\"token punctuation\">{<\/span>item<span class=\"token punctuation\">.<\/span>label<span class=\"token punctuation\">}<\/span><br \/>\n              <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>a<span class=\"token operator\">&gt;<\/span><br \/>\n            <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">}<\/span><br \/>\n          <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>nav<span class=\"token operator\">&gt;<\/span><br \/>\n        <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>header<span class=\"token operator\">&gt;<\/span><br \/>\n        <span class=\"token operator\">&lt;<\/span>main className<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;p-8&#034;<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">{<\/span>children<span class=\"token punctuation\">}<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>main<span class=\"token operator\">&gt;<\/span><br \/>\n      <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>body<span class=\"token operator\">&gt;<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>html<span class=\"token operator\">&gt;<\/span><br \/>\n  <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span>\n <\/li>\n<li>\n<p>\u6548\u679c&#xff1a;<\/p>\n<ul>\n<li>\u5bfc\u822a\u6570\u636e\u5728\u670d\u52a1\u5668\u7aef\u83b7\u53d6&#xff0c;\u6240\u6709\u9875\u9762\u5171\u4eab\u4e00\u81f4\u7684\u5e03\u5c40\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3>4. App Router \u4e2d\u7684\u5ba2\u6237\u7aef\u7ec4\u4ef6<\/h3>\n<p>\u5ba2\u6237\u7aef\u7ec4\u4ef6\u901a\u8fc7 &#039;use client&#039; \u6307\u4ee4\u58f0\u660e&#xff0c;\u9002\u5408\u4ea4\u4e92\u5f0f UI\u3002<\/p>\n<h4>4.1 \u57fa\u672c\u5ba2\u6237\u7aef\u7ec4\u4ef6<\/h4>\n<ul>\n<li>\n<p>\u9879\u76ee\u7ed3\u6784&#xff1a;<\/p>\n<p> app\/<br \/>\n\u251c\u2500\u2500 components\/<br \/>\n\u2502   \u251c\u2500\u2500 Counter.tsx   # \u5ba2\u6237\u7aef\u7ec4\u4ef6<br \/>\n\u251c\u2500\u2500 page.tsx          # \u670d\u52a1\u5668\u7ec4\u4ef6\n <\/li>\n<li>\n<p>\u4ee3\u7801\u793a\u4f8b&#xff08;app\/components\/Counter.tsx&#xff09;&#xff1a;<\/p>\n<p> <span class=\"token string\">&#039;use client&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">{<\/span> useState <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;react&#039;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">export<\/span> <span class=\"token keyword\">default<\/span> <span class=\"token keyword\">function<\/span> <span class=\"token function\">Counter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> <span class=\"token punctuation\">[<\/span>count<span class=\"token punctuation\">,<\/span> setCount<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">useState<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">(<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span>div className<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;p-4 border rounded&#034;<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n      <span class=\"token operator\">&lt;<\/span>p<span class=\"token operator\">&gt;<\/span>\u8ba1\u6570<span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span>count<span class=\"token punctuation\">}<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>p<span class=\"token operator\">&gt;<\/span><br \/>\n      <span class=\"token operator\">&lt;<\/span>button<br \/>\n        onClick<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token function\">setCount<\/span><span class=\"token punctuation\">(<\/span>count <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">}<\/span><br \/>\n        className<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;px-4 py-2 bg-blue-600 text-white rounded hover:bg-blue-700&#034;<\/span><br \/>\n      <span class=\"token operator\">&gt;<\/span><br \/>\n        \u589e\u52a0<br \/>\n      <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>button<span class=\"token operator\">&gt;<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>div<span class=\"token operator\">&gt;<\/span><br \/>\n  <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span>\n <\/li>\n<li>\n<p>\u4f7f\u7528&#xff08;app\/page.tsx&#xff09;&#xff1a;<\/p>\n<p> <span class=\"token keyword\">import<\/span> Counter <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;.\/components\/Counter&#039;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">export<\/span> <span class=\"token keyword\">default<\/span> <span class=\"token keyword\">function<\/span> <span class=\"token function\">Home<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">(<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span>main className<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;p-8&#034;<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n      <span class=\"token operator\">&lt;<\/span>h1 className<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;text-4xl font-bold&#034;<\/span><span class=\"token operator\">&gt;<\/span>\u9996\u9875<span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>h1<span class=\"token operator\">&gt;<\/span><br \/>\n      <span class=\"token operator\">&lt;<\/span>Counter <span class=\"token operator\">\/<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>main<span class=\"token operator\">&gt;<\/span><br \/>\n  <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span>\n <\/li>\n<li>\n<p>\u6548\u679c&#xff1a;<\/p>\n<ul>\n<li>Counter \u7ec4\u4ef6\u5728\u5ba2\u6237\u7aef\u8fd0\u884c&#xff0c;\u652f\u6301\u4ea4\u4e92\u3002<\/li>\n<li>\u670d\u52a1\u5668\u7ec4\u4ef6 page.tsx \u6e32\u67d3\u9759\u6001\u5185\u5bb9&#xff0c;\u5305\u542b\u5ba2\u6237\u7aef\u7ec4\u4ef6\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4>4.2 \u5ba2\u6237\u7aef\u7ec4\u4ef6\u4e0e\u5bfc\u822a<\/h4>\n<p>\u5ba2\u6237\u7aef\u7ec4\u4ef6\u53ef\u4f7f\u7528 useRouter\u3001usePathname \u7b49\u94a9\u5b50\u5b9e\u73b0\u5bfc\u822a\u3002<\/p>\n<ul>\n<li>\n<p>\u4ee3\u7801\u793a\u4f8b&#xff08;app\/components\/Nav.tsx&#xff09;&#xff1a;<\/p>\n<p> <span class=\"token string\">&#039;use client&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">{<\/span> useRouter <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;next\/navigation&#039;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">export<\/span> <span class=\"token keyword\">default<\/span> <span class=\"token keyword\">function<\/span> <span class=\"token function\">Nav<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> router <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">useRouter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token keyword\">const<\/span> <span class=\"token function-variable function\">handleNavigate<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    router<span class=\"token punctuation\">.<\/span><span class=\"token function\">push<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;\/about&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">(<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span>nav className<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;p-4&#034;<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n      <span class=\"token operator\">&lt;<\/span>button<br \/>\n        onClick<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">{<\/span>handleNavigate<span class=\"token punctuation\">}<\/span><br \/>\n        className<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;px-4 py-2 bg-blue-600 text-white rounded&#034;<\/span><br \/>\n      <span class=\"token operator\">&gt;<\/span><br \/>\n        \u8df3\u8f6c\u5230\u5173\u4e8e\u9875\u9762<br \/>\n      <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>button<span class=\"token operator\">&gt;<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>nav<span class=\"token operator\">&gt;<\/span><br \/>\n  <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span>\n <\/li>\n<li>\n<p>\u4f7f\u7528&#xff08;app\/layout.tsx&#xff09;&#xff1a;<\/p>\n<p> <span class=\"token keyword\">import<\/span> Nav <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;.\/components\/Nav&#039;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">export<\/span> <span class=\"token keyword\">default<\/span> <span class=\"token keyword\">function<\/span> <span class=\"token function\">RootLayout<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span> children <span class=\"token punctuation\">}<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span> children<span class=\"token operator\">:<\/span> React<span class=\"token punctuation\">.<\/span>ReactNode <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">(<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span>html lang<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;zh-CN&#034;<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n      <span class=\"token operator\">&lt;<\/span>body<span class=\"token operator\">&gt;<\/span><br \/>\n        <span class=\"token operator\">&lt;<\/span>Nav <span class=\"token operator\">\/<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n        <span class=\"token operator\">&lt;<\/span>main<span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">{<\/span>children<span class=\"token punctuation\">}<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>main<span class=\"token operator\">&gt;<\/span><br \/>\n      <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>body<span class=\"token operator\">&gt;<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>html<span class=\"token operator\">&gt;<\/span><br \/>\n  <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span>\n <\/li>\n<\/ul>\n<h4>4.3 \u5ba2\u6237\u7aef\u7ec4\u4ef6\u4e0e\u52a8\u6001\u8def\u7531<\/h4>\n<p>\u5ba2\u6237\u7aef\u7ec4\u4ef6\u53ef\u901a\u8fc7 useParams \u83b7\u53d6\u52a8\u6001\u8def\u7531\u53c2\u6570\u3002<\/p>\n<ul>\n<li>\n<p>\u4ee3\u7801\u793a\u4f8b&#xff08;app\/blog\/[slug]\/page.tsx&#xff09;&#xff1a;<\/p>\n<p> <span class=\"token keyword\">import<\/span> ClientComponent <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;.\/ClientComponent&#039;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">export<\/span> <span class=\"token keyword\">default<\/span> <span class=\"token keyword\">function<\/span> <span class=\"token function\">BlogPost<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span> params <span class=\"token punctuation\">}<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span> params<span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span> slug<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">(<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span>main className<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;p-8&#034;<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n      <span class=\"token operator\">&lt;<\/span>h1 className<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;text-4xl font-bold&#034;<\/span><span class=\"token operator\">&gt;<\/span>\u535a\u5ba2\u6587\u7ae0<span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>h1<span class=\"token operator\">&gt;<\/span><br \/>\n      <span class=\"token operator\">&lt;<\/span>ClientComponent slug<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">{<\/span>params<span class=\"token punctuation\">.<\/span>slug<span class=\"token punctuation\">}<\/span> <span class=\"token operator\">\/<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>main<span class=\"token operator\">&gt;<\/span><br \/>\n  <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span>\n <\/li>\n<li>\n<p>\u4ee3\u7801\u793a\u4f8b&#xff08;app\/blog\/[slug]\/ClientComponent.tsx&#xff09;&#xff1a;<\/p>\n<p> <span class=\"token string\">&#039;use client&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">{<\/span> useParams <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;next\/navigation&#039;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">export<\/span> <span class=\"token keyword\">default<\/span> <span class=\"token keyword\">function<\/span> <span class=\"token function\">ClientComponent<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span> slug <span class=\"token punctuation\">}<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span> slug<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> params <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">useParams<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> currentSlug <span class=\"token operator\">&#061;<\/span> params<span class=\"token punctuation\">.<\/span>slug <span class=\"token keyword\">as<\/span> <span class=\"token builtin\">string<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">(<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span>div<span class=\"token operator\">&gt;<\/span><br \/>\n      <span class=\"token operator\">&lt;<\/span>p<span class=\"token operator\">&gt;<\/span>\u901a\u8fc7 props \u83b7\u53d6\u7684 slug<span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span>slug<span class=\"token punctuation\">}<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>p<span class=\"token operator\">&gt;<\/span><br \/>\n      <span class=\"token operator\">&lt;<\/span>p<span class=\"token operator\">&gt;<\/span>\u901a\u8fc7 useParams \u83b7\u53d6\u7684 slug<span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span>currentSlug<span class=\"token punctuation\">}<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>p<span class=\"token operator\">&gt;<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>div<span class=\"token operator\">&gt;<\/span><br \/>\n  <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span>\n <\/li>\n<\/ul>\n<h3>5. \u7ed3\u5408\u670d\u52a1\u5668\u7ec4\u4ef6\u4e0e\u5ba2\u6237\u7aef\u7ec4\u4ef6<\/h3>\n<p>\u5728\u5b9e\u9645\u9879\u76ee\u4e2d&#xff0c;\u670d\u52a1\u5668\u7ec4\u4ef6\u548c\u5ba2\u6237\u7aef\u7ec4\u4ef6\u901a\u5e38\u7ed3\u5408\u4f7f\u7528&#xff0c;\u53d1\u6325\u5404\u81ea\u4f18\u52bf\u3002<\/p>\n<h4>5.1 \u573a\u666f&#xff1a;\u6570\u636e\u9a71\u52a8\u7684\u4ea4\u4e92\u9875\u9762<\/h4>\n<ul>\n<li>\n<p>\u9700\u6c42&#xff1a;\u663e\u793a\u535a\u5ba2\u6587\u7ae0&#xff08;\u670d\u52a1\u5668\u7ec4\u4ef6\u83b7\u53d6\u6570\u636e&#xff09;\u5e76\u6dfb\u52a0\u4ea4\u4e92\u5f0f\u8bc4\u8bba\u533a&#xff08;\u5ba2\u6237\u7aef\u7ec4\u4ef6&#xff09;\u3002<\/p>\n<\/li>\n<li>\n<p>\u9879\u76ee\u7ed3\u6784&#xff1a;<\/p>\n<p> app\/<br \/>\n\u251c\u2500\u2500 blog\/<br \/>\n\u2502   \u251c\u2500\u2500 [slug]\/<br \/>\n\u2502   \u2502   \u251c\u2500\u2500 page.tsx<br \/>\n\u2502   \u2502   \u251c\u2500\u2500 Comments.tsx\n <\/li>\n<li>\n<p>\u4ee3\u7801\u793a\u4f8b&#xff08;app\/blog\/[slug]\/page.tsx&#xff09;&#xff1a;<\/p>\n<p> <span class=\"token keyword\">import<\/span> Comments <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;.\/Comments&#039;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">async<\/span> <span class=\"token keyword\">function<\/span> <span class=\"token function\">fetchPost<\/span><span class=\"token punctuation\">(<\/span>slug<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> res <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">await<\/span> <span class=\"token function\">fetch<\/span><span class=\"token punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">&#096;<\/span><span class=\"token string\">https:\/\/api.example.com\/posts\/<\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>slug<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token template-punctuation string\">&#096;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">return<\/span> res<span class=\"token punctuation\">.<\/span><span class=\"token function\">json<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">export<\/span> <span class=\"token keyword\">default<\/span> <span class=\"token keyword\">async<\/span> <span class=\"token keyword\">function<\/span> <span class=\"token function\">BlogPost<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span> params <span class=\"token punctuation\">}<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span> params<span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span> slug<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> post <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">await<\/span> <span class=\"token function\">fetchPost<\/span><span class=\"token punctuation\">(<\/span>params<span class=\"token punctuation\">.<\/span>slug<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">(<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span>main className<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;p-8&#034;<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n      <span class=\"token operator\">&lt;<\/span>h1 className<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;text-4xl font-bold&#034;<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">{<\/span>post<span class=\"token punctuation\">.<\/span>title<span class=\"token punctuation\">}<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>h1<span class=\"token operator\">&gt;<\/span><br \/>\n      <span class=\"token operator\">&lt;<\/span>p<span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">{<\/span>post<span class=\"token punctuation\">.<\/span>content<span class=\"token punctuation\">}<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>p<span class=\"token operator\">&gt;<\/span><br \/>\n      <span class=\"token operator\">&lt;<\/span>Comments slug<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">{<\/span>params<span class=\"token punctuation\">.<\/span>slug<span class=\"token punctuation\">}<\/span> <span class=\"token operator\">\/<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>main<span class=\"token operator\">&gt;<\/span><br \/>\n  <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span>\n <\/li>\n<li>\n<p>\u4ee3\u7801\u793a\u4f8b&#xff08;app\/blog\/[slug]\/Comments.tsx&#xff09;&#xff1a;<\/p>\n<p> <span class=\"token string\">&#039;use client&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">{<\/span> useState <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;react&#039;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">export<\/span> <span class=\"token keyword\">default<\/span> <span class=\"token keyword\">function<\/span> <span class=\"token function\">Comments<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span> slug <span class=\"token punctuation\">}<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span> slug<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> <span class=\"token punctuation\">[<\/span>comment<span class=\"token punctuation\">,<\/span> setComment<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">useState<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> <span class=\"token punctuation\">[<\/span>comments<span class=\"token punctuation\">,<\/span> setComments<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token generic-function\"><span class=\"token function\">useState<\/span><span class=\"token generic class-name\"><span class=\"token operator\">&lt;<\/span><span class=\"token builtin\">string<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token keyword\">const<\/span> <span class=\"token function-variable function\">handleSubmit<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">async<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u6a21\u62df\u63d0\u4ea4\u8bc4\u8bba<\/span><br \/>\n    <span class=\"token function\">setComments<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><span class=\"token operator\">&#8230;<\/span>comments<span class=\"token punctuation\">,<\/span> comment<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">setComment<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">(<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span>div className<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;mt-8&#034;<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n      <span class=\"token operator\">&lt;<\/span>h2 className<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;text-2xl font-bold&#034;<\/span><span class=\"token operator\">&gt;<\/span>\u8bc4\u8bba<span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>h2<span class=\"token operator\">&gt;<\/span><br \/>\n      <span class=\"token operator\">&lt;<\/span>textarea<br \/>\n        value<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">{<\/span>comment<span class=\"token punctuation\">}<\/span><br \/>\n        onChange<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">(<\/span>e<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token function\">setComment<\/span><span class=\"token punctuation\">(<\/span>e<span class=\"token punctuation\">.<\/span>target<span class=\"token punctuation\">.<\/span>value<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">}<\/span><br \/>\n        className<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;w-full p-2 border rounded&#034;<\/span><br \/>\n        placeholder<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;\u8f93\u5165\u8bc4\u8bba&#034;<\/span><br \/>\n      <span class=\"token operator\">\/<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n      <span class=\"token operator\">&lt;<\/span>button<br \/>\n        onClick<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">{<\/span>handleSubmit<span class=\"token punctuation\">}<\/span><br \/>\n        className<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;mt-2 px-4 py-2 bg-blue-600 text-white rounded&#034;<\/span><br \/>\n      <span class=\"token operator\">&gt;<\/span><br \/>\n        \u63d0\u4ea4<br \/>\n      <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>button<span class=\"token operator\">&gt;<\/span><br \/>\n      <span class=\"token operator\">&lt;<\/span>ul className<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;mt-4 space-y-2&#034;<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span>comments<span class=\"token punctuation\">.<\/span><span class=\"token function\">map<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>c<span class=\"token punctuation\">,<\/span> index<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">(<\/span><br \/>\n          <span class=\"token operator\">&lt;<\/span>li key<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">{<\/span>index<span class=\"token punctuation\">}<\/span> className<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;border-b py-2&#034;<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span>c<span class=\"token punctuation\">}<\/span><br \/>\n          <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>li<span class=\"token operator\">&gt;<\/span><br \/>\n        <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">}<\/span><br \/>\n      <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>ul<span class=\"token operator\">&gt;<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>div<span class=\"token operator\">&gt;<\/span><br \/>\n  <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span>\n <\/li>\n<li>\n<p>\u6548\u679c&#xff1a;<\/p>\n<ul>\n<li>\u670d\u52a1\u5668\u7ec4\u4ef6\u83b7\u53d6\u6587\u7ae0\u6570\u636e&#xff0c;\u6e32\u67d3\u9759\u6001\u5185\u5bb9\u3002<\/li>\n<li>\u5ba2\u6237\u7aef\u7ec4\u4ef6\u5904\u7406\u8bc4\u8bba\u8f93\u5165\u548c\u663e\u793a&#xff0c;\u652f\u6301\u4ea4\u4e92\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4>5.2 \u573a\u666f&#xff1a;\u52a8\u6001\u5e03\u5c40<\/h4>\n<ul>\n<li>\n<p>\u9700\u6c42&#xff1a;\u6839\u636e\u7528\u6237\u89d2\u8272\u52a8\u6001\u6e32\u67d3\u5e03\u5c40&#xff08;\u670d\u52a1\u5668\u7ec4\u4ef6&#xff09;\u5e76\u5305\u542b\u4ea4\u4e92\u5f0f\u5bfc\u822a&#xff08;\u5ba2\u6237\u7aef\u7ec4\u4ef6&#xff09;\u3002<\/p>\n<\/li>\n<li>\n<p>\u4ee3\u7801\u793a\u4f8b&#xff08;app\/layout.tsx&#xff09;&#xff1a;<\/p>\n<p> <span class=\"token keyword\">import<\/span> Nav <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;.\/components\/Nav&#039;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">async<\/span> <span class=\"token keyword\">function<\/span> <span class=\"token function\">fetchUser<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">{<\/span> role<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;admin&#039;<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u6a21\u62df\u7528\u6237\u6570\u636e<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">export<\/span> <span class=\"token keyword\">default<\/span> <span class=\"token keyword\">async<\/span> <span class=\"token keyword\">function<\/span> <span class=\"token function\">RootLayout<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span> children <span class=\"token punctuation\">}<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span> children<span class=\"token operator\">:<\/span> React<span class=\"token punctuation\">.<\/span>ReactNode <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> user <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">await<\/span> <span class=\"token function\">fetchUser<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">(<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span>html lang<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;zh-CN&#034;<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n      <span class=\"token operator\">&lt;<\/span>body<span class=\"token operator\">&gt;<\/span><br \/>\n        <span class=\"token operator\">&lt;<\/span>header className<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;p-4&#034;<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n          <span class=\"token operator\">&lt;<\/span>Nav role<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">{<\/span>user<span class=\"token punctuation\">.<\/span>role<span class=\"token punctuation\">}<\/span> <span class=\"token operator\">\/<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n          <span class=\"token operator\">&lt;<\/span>h1<span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">{<\/span>user<span class=\"token punctuation\">.<\/span>role <span class=\"token operator\">&#061;&#061;&#061;<\/span> <span class=\"token string\">&#039;admin&#039;<\/span> <span class=\"token operator\">?<\/span> <span class=\"token string\">&#039;\u7ba1\u7406\u5458\u5e03\u5c40&#039;<\/span> <span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;\u666e\u901a\u7528\u6237\u5e03\u5c40&#039;<\/span><span class=\"token punctuation\">}<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>h1<span class=\"token operator\">&gt;<\/span><br \/>\n        <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>header<span class=\"token operator\">&gt;<\/span><br \/>\n        <span class=\"token operator\">&lt;<\/span>main className<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;p-8&#034;<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">{<\/span>children<span class=\"token punctuation\">}<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>main<span class=\"token operator\">&gt;<\/span><br \/>\n      <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>body<span class=\"token operator\">&gt;<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>html<span class=\"token operator\">&gt;<\/span><br \/>\n  <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span>\n <\/li>\n<li>\n<p>\u4ee3\u7801\u793a\u4f8b&#xff08;app\/components\/Nav.tsx&#xff09;&#xff1a;<\/p>\n<p> <span class=\"token string\">&#039;use client&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> Link <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;next\/link&#039;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">export<\/span> <span class=\"token keyword\">default<\/span> <span class=\"token keyword\">function<\/span> <span class=\"token function\">Nav<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span> role <span class=\"token punctuation\">}<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span> role<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">(<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span>nav<span class=\"token operator\">&gt;<\/span><br \/>\n      <span class=\"token operator\">&lt;<\/span>ul className<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;flex space-x-4&#034;<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n        <span class=\"token operator\">&lt;<\/span>li<span class=\"token operator\">&gt;<\/span><br \/>\n          <span class=\"token operator\">&lt;<\/span>Link href<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;\/&#034;<\/span> className<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;hover:underline&#034;<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n            \u9996\u9875<br \/>\n          <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>Link<span class=\"token operator\">&gt;<\/span><br \/>\n        <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>li<span class=\"token operator\">&gt;<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span>role <span class=\"token operator\">&#061;&#061;&#061;<\/span> <span class=\"token string\">&#039;admin&#039;<\/span> <span class=\"token operator\">&amp;&amp;<\/span> <span class=\"token punctuation\">(<\/span><br \/>\n          <span class=\"token operator\">&lt;<\/span>li<span class=\"token operator\">&gt;<\/span><br \/>\n            <span class=\"token operator\">&lt;<\/span>Link href<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;\/admin&#034;<\/span> className<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;hover:underline&#034;<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n              \u7ba1\u7406\u9762\u677f<br \/>\n            <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>Link<span class=\"token operator\">&gt;<\/span><br \/>\n          <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>li<span class=\"token operator\">&gt;<\/span><br \/>\n        <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">}<\/span><br \/>\n      <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>ul<span class=\"token operator\">&gt;<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>nav<span class=\"token operator\">&gt;<\/span><br \/>\n  <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span>\n <\/li>\n<\/ul>\n<h3>6. \u9002\u7528\u573a\u666f<\/h3>\n<h4>6.1 \u670d\u52a1\u5668\u7ec4\u4ef6\u7684\u9002\u7528\u573a\u666f<\/h4>\n<ul>\n<li>\u9759\u6001\u5185\u5bb9&#xff1a;\u5982\u535a\u5ba2\u6587\u7ae0\u3001\u4ea7\u54c1\u8be6\u60c5\u9875\u9762\u3002<\/li>\n<li>\u6570\u636e\u5bc6\u96c6\u9875\u9762&#xff1a;\u9700\u8981\u76f4\u63a5\u8bbf\u95ee\u6570\u636e\u5e93\u6216 API \u7684\u9875\u9762\u3002<\/li>\n<li>SEO \u4f18\u5148&#xff1a;\u5982\u9996\u9875\u3001\u767b\u9646\u9875\u9762\u3002<\/li>\n<li>\u5927\u578b\u6570\u636e\u96c6&#xff1a;\u5982\u62a5\u8868\u3001\u6570\u636e\u53ef\u89c6\u5316&#xff08;\u65e0\u9700\u4ea4\u4e92&#xff09;\u3002<\/li>\n<\/ul>\n<h4>6.2 \u5ba2\u6237\u7aef\u7ec4\u4ef6\u7684\u9002\u7528\u573a\u666f<\/h4>\n<ul>\n<li>\u4ea4\u4e92\u5f0f UI&#xff1a;\u5982\u8868\u5355\u3001\u8bc4\u8bba\u533a\u3001\u5b9e\u65f6\u641c\u7d22\u3002<\/li>\n<li>\u6d4f\u89c8\u5668 API&#xff1a;\u9700\u8981\u8bbf\u95ee localStorage\u3001WebSocket \u7b49\u3002<\/li>\n<li>\u590d\u6742\u72b6\u6001\u7ba1\u7406&#xff1a;\u5982\u591a\u6b65\u9aa4\u5411\u5bfc\u3001\u52a8\u6001\u8fc7\u6ee4\u3002<\/li>\n<li>\u7b2c\u4e09\u65b9\u5e93&#xff1a;\u4f9d\u8d56\u5ba2\u6237\u7aef\u6e32\u67d3\u7684\u5e93&#xff08;\u5982 Chart.js&#xff09;\u3002<\/li>\n<\/ul>\n<h4>6.3 \u7ed3\u5408\u4f7f\u7528\u7684\u573a\u666f<\/h4>\n<ul>\n<li>\u6df7\u5408\u9875\u9762&#xff1a;\u670d\u52a1\u5668\u7ec4\u4ef6\u6e32\u67d3\u9759\u6001\u5185\u5bb9&#xff0c;\u5ba2\u6237\u7aef\u7ec4\u4ef6\u5904\u7406\u4ea4\u4e92\u3002<\/li>\n<li>\u52a8\u6001\u5e03\u5c40&#xff1a;\u670d\u52a1\u5668\u7ec4\u4ef6\u6839\u636e\u7528\u6237\u6570\u636e\u9009\u62e9\u5e03\u5c40&#xff0c;\u5ba2\u6237\u7aef\u7ec4\u4ef6\u5904\u7406\u5bfc\u822a\u3002<\/li>\n<li>\u6e10\u8fdb\u5f0f hydration&#xff1a;\u670d\u52a1\u5668\u7ec4\u4ef6\u6e32\u67d3\u521d\u59cb\u5185\u5bb9&#xff0c;\u5ba2\u6237\u7aef\u7ec4\u4ef6\u9010\u6b65\u6fc0\u6d3b\u3002<\/li>\n<\/ul>\n<h3>7. \u6027\u80fd\u4f18\u5316\u4e0e\u914d\u7f6e<\/h3>\n<h4>7.1 \u51cf\u5c11\u5ba2\u6237\u7aef JavaScript<\/h4>\n<ul>\n<li>\u4f18\u5148\u4f7f\u7528\u670d\u52a1\u5668\u7ec4\u4ef6&#xff1a;\u5c06\u9759\u6001\u5185\u5bb9\u548c\u6570\u636e\u83b7\u53d6\u79fb\u5230\u670d\u52a1\u5668\u7ec4\u4ef6\u3002<\/li>\n<li>\u6700\u5c0f\u5316\u5ba2\u6237\u7aef\u7ec4\u4ef6&#xff1a;\u4ec5\u5728\u9700\u8981\u4ea4\u4e92\u65f6\u4f7f\u7528 &#039;use client&#039;\u3002<\/li>\n<li>\u793a\u4f8b&#xff1a;<span class=\"token comment\">\/\/ app\/page.tsx (\u670d\u52a1\u5668\u7ec4\u4ef6)<\/span><br \/>\n<span class=\"token keyword\">export<\/span> <span class=\"token keyword\">default<\/span> <span class=\"token keyword\">async<\/span> <span class=\"token keyword\">function<\/span> <span class=\"token function\">Home<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> data <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">await<\/span> <span class=\"token function\">fetchData<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">(<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span>main<span class=\"token operator\">&gt;<\/span><br \/>\n      <span class=\"token operator\">&lt;<\/span>h1<span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">{<\/span>data<span class=\"token punctuation\">.<\/span>title<span class=\"token punctuation\">}<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>h1<span class=\"token operator\">&gt;<\/span><br \/>\n      <span class=\"token operator\">&lt;<\/span>ClientComponent <span class=\"token operator\">\/<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>main<span class=\"token operator\">&gt;<\/span><br \/>\n  <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ app\/ClientComponent.tsx (\u5ba2\u6237\u7aef\u7ec4\u4ef6)<\/span><br \/>\n<span class=\"token string\">&#039;use client&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">{<\/span> useState <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;react&#039;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">export<\/span> <span class=\"token keyword\">default<\/span> <span class=\"token keyword\">function<\/span> <span class=\"token function\">ClientComponent<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> <span class=\"token punctuation\">[<\/span>count<span class=\"token punctuation\">,<\/span> setCount<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">useState<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">return<\/span> <span class=\"token operator\">&lt;<\/span>button onClick<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token function\">setCount<\/span><span class=\"token punctuation\">(<\/span>count <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">}<\/span><span class=\"token operator\">&gt;<\/span>\u8ba1\u6570<span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span>count<span class=\"token punctuation\">}<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>button<span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span>\n <\/li>\n<\/ul>\n<h4>7.2 \u4f18\u5316\u6570\u636e\u83b7\u53d6<\/h4>\n<ul>\n<li>\u670d\u52a1\u5668\u7ec4\u4ef6&#xff1a;\u76f4\u63a5\u4f7f\u7528 fetch \u6216\u6570\u636e\u5e93\u67e5\u8be2\u3002<\/li>\n<li>\u5ba2\u6237\u7aef\u7ec4\u4ef6&#xff1a;\u4f7f\u7528 SWR \u6216 React Query \u7f13\u5b58\u6570\u636e&#xff1a;<span class=\"token string\">&#039;use client&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> useSWR <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;swr&#039;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">const<\/span> <span class=\"token function-variable function\">fetcher<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>url<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token function\">fetch<\/span><span class=\"token punctuation\">(<\/span>url<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">then<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>res<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> res<span class=\"token punctuation\">.<\/span><span class=\"token function\">json<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">export<\/span> <span class=\"token keyword\">default<\/span> <span class=\"token keyword\">function<\/span> <span class=\"token function\">DataComponent<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> <span class=\"token punctuation\">{<\/span> data<span class=\"token punctuation\">,<\/span> error <span class=\"token punctuation\">}<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">useSWR<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;https:\/\/api.example.com\/data&#039;<\/span><span class=\"token punctuation\">,<\/span> fetcher<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>error<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">return<\/span> <span class=\"token operator\">&lt;<\/span>div<span class=\"token operator\">&gt;<\/span>\u52a0\u8f7d\u5931\u8d25<span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>div<span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>data<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">return<\/span> <span class=\"token operator\">&lt;<\/span>div<span class=\"token operator\">&gt;<\/span>\u52a0\u8f7d\u4e2d<span class=\"token operator\">&#8230;<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>div<span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token keyword\">return<\/span> <span class=\"token operator\">&lt;<\/span>div<span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">{<\/span>data<span class=\"token punctuation\">.<\/span>message<span class=\"token punctuation\">}<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>div<span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span>\n <\/li>\n<\/ul>\n<h4>7.3 \u73af\u5883\u53d8\u91cf<\/h4>\n<p>\u4e3a\u6570\u636e\u83b7\u53d6\u914d\u7f6e API \u7aef\u70b9&#xff1a;<\/p>\n<ul>\n<li>.env.local&#xff1a;API_URL&#061;https:\/\/api.example.com\n <\/li>\n<li>\u4f7f\u7528&#xff1a;<span class=\"token keyword\">async<\/span> <span class=\"token keyword\">function<\/span> <span class=\"token function\">fetchData<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> res <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">await<\/span> <span class=\"token function\">fetch<\/span><span class=\"token punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">&#096;<\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>process<span class=\"token punctuation\">.<\/span>env<span class=\"token punctuation\">.<\/span><span class=\"token constant\">API_URL<\/span><span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token string\">\/data<\/span><span class=\"token template-punctuation string\">&#096;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">return<\/span> res<span class=\"token punctuation\">.<\/span><span class=\"token function\">json<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span>\n <\/li>\n<\/ul>\n<h3>8. \u6700\u4f73\u5b9e\u8df5<\/h3>\n<ul>\n<li>\u4f18\u5148\u670d\u52a1\u5668\u7ec4\u4ef6&#xff1a;\u9ed8\u8ba4\u4f7f\u7528\u670d\u52a1\u5668\u7ec4\u4ef6&#xff0c;\u51cf\u5c11\u5ba2\u6237\u7aef JavaScript\u3002<\/li>\n<li>\u6a21\u5757\u5316\u7ec4\u4ef6&#xff1a;\u5c06\u5ba2\u6237\u7aef\u7ec4\u4ef6\u63d0\u53d6\u5230\u5355\u72ec\u6587\u4ef6\u4e2d&#xff1a;<span class=\"token comment\">\/\/ app\/components\/ClientComponent.tsx<\/span><br \/>\n<span class=\"token string\">&#039;use client&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">export<\/span> <span class=\"token keyword\">default<\/span> <span class=\"token keyword\">function<\/span> <span class=\"token function\">ClientComponent<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token comment\">\/\/ &#8230;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span>\n <\/li>\n<li>\u7c7b\u578b\u5b89\u5168&#xff08;TypeScript&#xff09;&#xff1a;<span class=\"token keyword\">interface<\/span> <span class=\"token class-name\">Props<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  data<span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span> title<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span><span class=\"token punctuation\">;<\/span> content<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">export<\/span> <span class=\"token keyword\">default<\/span> <span class=\"token keyword\">async<\/span> <span class=\"token keyword\">function<\/span> <span class=\"token function\">Page<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span> params <span class=\"token punctuation\">}<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span> params<span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span> slug<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> data <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">await<\/span> <span class=\"token function\">fetchData<\/span><span class=\"token punctuation\">(<\/span>params<span class=\"token punctuation\">.<\/span>slug<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">return<\/span> <span class=\"token operator\">&lt;<\/span>ClientComponent data<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">{<\/span>data<span class=\"token punctuation\">}<\/span> <span class=\"token operator\">\/<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span>\n <\/li>\n<li>\u9519\u8bef\u5904\u7406&#xff1a;\u5728\u670d\u52a1\u5668\u7ec4\u4ef6\u4e2d\u4f7f\u7528 notFound()&#xff0c;\u5728\u5ba2\u6237\u7aef\u7ec4\u4ef6\u4e2d\u4f7f\u7528\u9519\u8bef\u8fb9\u754c\u3002<\/li>\n<li>SEO \u4f18\u5316&#xff1a;\u4e3a\u670d\u52a1\u5668\u7ec4\u4ef6\u8bbe\u7f6e\u52a8\u6001\u5143\u6570\u636e&#xff1a;<span class=\"token keyword\">export<\/span> <span class=\"token keyword\">async<\/span> <span class=\"token keyword\">function<\/span> <span class=\"token function\">generateMetadata<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span> params <span class=\"token punctuation\">}<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span> params<span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span> slug<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> data <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">await<\/span> <span class=\"token function\">fetchData<\/span><span class=\"token punctuation\">(<\/span>params<span class=\"token punctuation\">.<\/span>slug<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    title<span class=\"token operator\">:<\/span> data<span class=\"token punctuation\">.<\/span>title<span class=\"token punctuation\">,<\/span><br \/>\n    description<span class=\"token operator\">:<\/span> data<span class=\"token punctuation\">.<\/span>description<span class=\"token punctuation\">,<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span>\n <\/li>\n<\/ul>\n<h3>9. \u5e38\u89c1\u95ee\u9898\u53ca\u89e3\u51b3\u65b9\u6848<\/h3>\n<table>\n<tr>\u95ee\u9898\u89e3\u51b3\u65b9\u6848<\/tr>\n<tbody>\n<tr>\n<td>\u5ba2\u6237\u7aef\u94a9\u5b50\u5728\u670d\u52a1\u5668\u7ec4\u4ef6\u4e2d\u62a5\u9519<\/td>\n<td>\u6dfb\u52a0 &#039;use client&#039; \u6307\u4ee4\u6216\u5c06\u903b\u8f91\u79fb\u5230\u5ba2\u6237\u7aef\u7ec4\u4ef6\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u6570\u636e\u83b7\u53d6\u5ef6\u8fdf<\/td>\n<td>\u5728\u670d\u52a1\u5668\u7ec4\u4ef6\u4e2d\u76f4\u63a5\u83b7\u53d6\u6570\u636e&#xff0c;\u4f7f\u7528\u7f13\u5b58\u6216 fetch \u7684 cache \u9009\u9879\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u5ba2\u6237\u7aef\u7ec4\u4ef6\u672a\u6e32\u67d3<\/td>\n<td>\u786e\u4fdd\u7ec4\u4ef6\u6b63\u786e\u5bfc\u5165&#xff0c;\u68c0\u67e5 &#039;use client&#039; \u6307\u4ee4\u3002<\/td>\n<\/tr>\n<tr>\n<td>SEO \u6548\u679c\u4e0d\u4f73<\/td>\n<td>\u4f7f\u7528\u670d\u52a1\u5668\u7ec4\u4ef6\u751f\u6210\u9759\u6001 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punctuation\">(<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">&#096;<\/span><span class=\"token string\">https:\/\/api.example.com\/data\/<\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>slug<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token template-punctuation string\">&#096;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">return<\/span> res<span class=\"token punctuation\">.<\/span><span class=\"token function\">json<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span>\n <\/li>\n<li>\u5171\u4eab\u5e03\u5c40&#xff1a;\u5728 layout.tsx 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\u76ee\u5f55\uff09\u5f15\u5165\u4e86\u670d\u52a1\u5668\u7ec4\u4ef6\uff08Server Components\uff09\u548c\u5ba2\u6237\u7aef\u7ec4\u4ef6\uff08Client Components\uff09\uff0c\u63d0\u4f9b\u4e86\u4e00\u79cd\u5168\u65b0\u7684\u7ec4\u4ef6\u5f00\u53d1\u8303\u5f0f\u3002\u670d\u52a1\u5668\u7ec4\u4ef6\u5728\u670d\u52a1\u5668\u7aef\u6267\u884c\u6e32\u67d3\u548c\u6570\u636e\u83b7\u53d6\uff0c\u51cf\u5c11\u5ba2\u6237\u7aef JavaScript \u91cf\uff0c\u4f18\u5316\u6027\u80fd\u548c SEO\uff1b\u5ba2\u6237\u7aef\u7ec4\u4ef6\u5219\u5728\u6d4f\u89c8\u5668\u7aef\u8fd0\u884c\uff0c\u9002\u5408\u5904\u7406\u7528\u6237\u4ea4\u4e92\u548c\u52a8\u6001 UI\u3002\u8fd9\u79cd\u6df7\u5408\u67b6\u6784\u4f7f\u5f00\u53d1\u8005\u80fd\u591f\u6839\u636e\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u7ec4\u4ef6\u7c7b\u578b\uff0c\u6784\u5efa\u9ad8\u6548\u3001\u53ef\u6269\u5c55\u7684 Web 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property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Next.js \u670d\u52a1\u5668\u7ec4\u4ef6\u4e0e\u5ba2\u6237\u7aef\u7ec4\u4ef6\uff1a\u533a\u522b\u89e3\u6790 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb1.1k\u6b21\uff0c\u70b9\u8d5e14\u6b21\uff0c\u6536\u85cf22\u6b21\u3002Next.js \u662f\u57fa\u4e8e React \u7684\u5168\u6808\u6846\u67b6\uff0c\u5176 App Router\uff08app\/ \u76ee\u5f55\uff09\u5f15\u5165\u4e86\u670d\u52a1\u5668\u7ec4\u4ef6\uff08Server Components\uff09\u548c\u5ba2\u6237\u7aef\u7ec4\u4ef6\uff08Client Components\uff09\uff0c\u63d0\u4f9b\u4e86\u4e00\u79cd\u5168\u65b0\u7684\u7ec4\u4ef6\u5f00\u53d1\u8303\u5f0f\u3002\u670d\u52a1\u5668\u7ec4\u4ef6\u5728\u670d\u52a1\u5668\u7aef\u6267\u884c\u6e32\u67d3\u548c\u6570\u636e\u83b7\u53d6\uff0c\u51cf\u5c11\u5ba2\u6237\u7aef JavaScript \u91cf\uff0c\u4f18\u5316\u6027\u80fd\u548c 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