\u672c\u6587\u4ece\u4e00\u4e2a\u771f\u5b9e\u95ee\u9898\u51fa\u53d1：\u4e3a\u4ec0\u4e48\u7528 Vite + React \u5199\u7684 SPA \u4e0a\u7ebf\u540e\u767e\u5ea6\u6536\u5f55\u51e0\u4e4e\u4e3a\u96f6？\u7b54\u6848\u85cf\u5728\u300c\u670d\u52a1\u5668\u5230\u5e95\u8fd4\u56de\u4e86\u4ec0\u4e48\u300d\u91cc\u3002\u63a5\u7740\u7528 my-app \u9879\u76ee\u6e90\u7801\u8bb2\u6e05 Next.js App Router \u7684\u6587\u4ef6\u8def\u7531\u7ea6\u5b9a\u3001\u670d\u52a1\u7aef\u7ec4\u4ef6\u4e0e\u5ba2\u6237\u7aef\u7ec4\u4ef6\u7684\u6838\u5fc3\u8fb9\u754c\u3001\u5ba2\u6237\u7aef\u7ec4\u4ef6\u5728 Next.js \u91cc\u7684\u300c\u4e24\u6b21\u6267\u884c\u300d\u3001Hydration \u6c34\u5408\u673a\u5236，\u4ee5\u53ca route.ts \u600e\u4e48\u5199 RESTful \u63a5\u53e3\u3002<\/p>\n
\u6280\u672f\u6808：Next.js 16.3.0 + React 19.2.8 + TypeScript + Tailwind v4\u3002\u6587\u4e2d\u4ee3\u7801\u6765\u81ea\u771f\u5b9e\u9879\u76ee\u6e90\u7801，\u8fd0\u884c\u672a\u9a8c\u8bc1（\u672a\u5b9e\u9645 npm run dev）\u3002<\/p>\n<\/p>\n
\u8981\u7406\u89e3 Next.js \u89e3\u51b3\u4e86\u4ec0\u4e48，\u5148\u5f97\u770b\u6e05 SPA（Single Page Application）\u5230\u5e95\u5751\u5728\u54ea\u3002<\/p>\n
\u4f20\u7edf SPA \u90e8\u7f72\u540e，\u670d\u52a1\u5668\u4e0a\u5c31\u4e09\u4e2a\u9759\u6001\u6587\u4ef6：<\/p>\n
Server（\u524d\u7aef\u9879\u76ee\u6240\u5728\u7684\u670d\u52a1\u5668）
\n\u251c\u2500\u2500 index.html \u2190 \u53ea\u6709\u4e00\u4e2a\u7a7a #root \u7684\u58f3
\n\u251c\u2500\u2500 main.js \u2190 \u6253\u5305\u540e\u7684\u6240\u6709 JS \u4ee3\u7801
\n\u2514\u2500\u2500 （\u5176\u4ed6 css\/\u56fe\u7247）<\/p>\n
\u90a3\u4e2a index.html \u957f\u8fd9\u6837：<\/p>\n
<!<\/span>DOCTYPE<\/span> html<\/span>><\/span><\/span> \u5173\u952e\u5bf9\u6bd4\u2014\u2014\u540c\u4e00\u4e2a URL，\u722c\u866b\u548c\u7528\u6237\u770b\u5230\u7684\u4e0d\u4e00\u6837：<\/p>\n \u722c\u866b\u4e0d\u6267\u884c JS（\u6216\u6267\u884c\u4e0d\u5b8c\u6574），\u6240\u4ee5 SPA \u7684\u5185\u5bb9\u5bf9\u722c\u866b\u6765\u8bf4\u662f\u300c\u9690\u5f62\u300d\u7684\u3002\u8fd9\u5c31\u662f CSR（\u5ba2\u6237\u7aef\u6e32\u67d3） \u7684\u672c\u8d28\u2014\u2014\u5185\u5bb9\u5728\u5ba2\u6237\u7aef\u624d\u6e32\u67d3，\u670d\u52a1\u5668\u53ea\u7ed9\u7a7a\u58f3\u3002<\/p>\n \u9996\u5c4f\u4e5f\u6162：\u8981\u7b49 \u4e0b\u8f7d JS \u2192 \u6267\u884c JS \u2192 \u6e32\u67d3\u7ec4\u4ef6 \u2192 \u8bf7\u6c42\u6570\u636e，\u4e32\u884c\u591a\u6b65，\u767d\u5c4f\u65f6\u95f4\u957f\u3002<\/p>\n Next.js \u662f React \u5168\u6808\u6846\u67b6，\u80cc\u9760 Vercel，\u6838\u5fc3\u5356\u70b9\u662f SEO + \u9996\u5c4f\u5feb\u3002\u5b83\u7684\u89e3\u6cd5\u4e0d\u662f\u300c\u66f4\u597d\u7684 SPA\u300d，\u800c\u662f SSR（\u670d\u52a1\u7aef\u6e32\u67d3）+ Hydration（\u6c34\u5408） \u7684\u6df7\u5408\u6a21\u5f0f\u3002<\/p>\n \u5de5\u4f5c\u6d41\u7a0b（\u516d\u6b65）：<\/p>\n \u6838\u5fc3\u533a\u522b：<\/p>\n Next.js App Router \u7684\u7ea6\u5b9a\u5f88\u7b80\u5355：\u6587\u4ef6\u5373\u8def\u7531\u3002<\/p>\n my-app \u9879\u76ee\u7684\u5b9e\u9645\u8def\u7531\u8868：<\/p>\n \u5d4c\u5957\u5e03\u5c40：app\/dashboard\/layout.tsx \u4f1a\u81ea\u52a8\u5305\u88f9 dashboard\/page.tsx \u548c dashboard\/settings\/page.tsx，\u5b50\u8def\u7531\u5207\u6362\u65f6\u5e03\u5c40\u4e0d\u91cd\u65b0\u6e32\u67d3\u3002<\/p>\n \u6839\u5e03\u5c40 app\/layout.tsx \u8fd8\u8d1f\u8d23\u4e24\u4ef6\u4e8b\u2014\u2014SEO \u5143\u4fe1\u606f\u548c\u5ba2\u6237\u7aef\u8def\u7531\u5bfc\u822a：<\/p>\n import type { Metadata } from "next"; \/\/ \u5bfc\u51fa metadata \u505a SEO export default function RootLayout({ children }: LayoutProps<"\/">) { \u4e24\u4e2a\u7ec6\u8282：<\/p>\n \u8fd9\u662f Next.js \u9762\u8bd5\u6700\u9ad8\u9891\u8003\u70b9\u3002\u7ec4\u4ef6\u53ea\u6709\u4e24\u7c7b：<\/p>\n \u8bb0\u5fc6\u6280\u5de7：<\/p>\n \u5bfc\u5165\u89c4\u5219：<\/p>\n \u770b\u4e00\u4e0b\u9996\u9875 app\/page.tsx，\u5b83\u662f\u9ed8\u8ba4\u7684\u670d\u52a1\u7aef\u7ec4\u4ef6：<\/p>\n \/\/ \u670d\u52a1\u5668\u7aef\u7ec4\u4ef6 \u6ce8\u91ca\u70b9\u7834\u4e86\u672c\u8d28：React \u7ec4\u4ef6\u4e0d\u662f\u53ea\u80fd\u5728\u6d4f\u89c8\u5668\u8dd1，react（js\/node \u65b9\u5f0f）\u4e5f\u80fd\u5728\u670d\u52a1\u5668\u8dd1\u3002\u670d\u52a1\u5668\u4e0a\u6ca1\u6709 DOM，\u7ec4\u4ef6\u51fd\u6570\u6267\u884c\u540e\u8f93\u51fa\u7684\u662f HTML \u5b57\u7b26\u4e32\u3002<\/p>\n \u8fd9\u662f\u6700\u5bb9\u6613\u6df7\u7684\u70b9\u3002app\/todos\/page.tsx \u662f\u5ba2\u6237\u7aef\u7ec4\u4ef6：<\/p>\n 'use client'; \/\/ \u5ba2\u6237\u7aef\u7ec4\u4ef6\u6807\u8bb0 export default function TodosPage() { const fetchTodos = async () => { useEffect(() => { return ( \u7eaf SPA（Vite）：\u670d\u52a1\u5668\u53ea\u8fd4\u56de\u7a7a #root，\u5185\u5bb9\u7b49\u6d4f\u89c8\u5668\u8dd1 JS \u624d\u51fa\u73b0，\u6e90\u7801\u91cc\u4ec0\u4e48\u90fd\u6ca1\u6709\u3002<\/p>\n Next.js \u5ba2\u6237\u7aef\u7ec4\u4ef6\u4e09\u6b65\u6d41\u7a0b：<\/p>\n \u5173\u952e\u7ed3\u8bba（\u7ea0\u6b63\u4e00\u4e2a\u5e38\u89c1\u8bef\u533a）：<\/p>\n Hydration \u6c34\u5408\u5c31\u662f\u7b2c 3 \u6b65：\u670d\u52a1\u5668\u8fd4\u56de\u9759\u6001 HTML（\u770b\u5f97\u89c1\u4f46\u70b9\u4e0d\u52a8），\u6d4f\u89c8\u5668\u4e0b\u8f7d JS \u540e\u628a\u9759\u6001 HTML \u6fc0\u6d3b\u6210\u53ef\u4ea4\u4e92 React \u7ec4\u4ef6，\u7ed1\u5b9a onClick \u7b49\u4e8b\u4ef6\u3002<\/p>\n \u7c7b\u6bd4\u7406\u89e3：<\/p>\n Next.js \u4e0d\u53ea\u662f\u5199\u9875\u9762，\u8fd8\u80fd\u5199\u540e\u7aef\u63a5\u53e3\u3002\u5728 app\/api\/<\u63a5\u53e3\u8def\u5f84>\/route.ts \u5bfc\u51fa GET\/POST \u7b49\u65b9\u6cd5，\u8fd4\u56de JSON，\u6ee1\u8db3 RESTful\u3002<\/p>\n my-app \u7684 app\/api\/todos\/route.ts：<\/p>\n \/\/ \u6a21\u5757\u7ea7\u6570\u7ec4\u505a\u5185\u5b58\u5b58\u50a8（\u5b66\u4e60\u7528，\u91cd\u542f\u4e22\u5931）<\/span> \/\/ GET \/api\/todos \u2014\u2014 \u8fd4\u56de\u6240\u6709\u5f85\u529e<\/span> \/\/ POST \/api\/todos \u2014\u2014 \u65b0\u589e\u5f85\u529e<\/span> \u8981\u70b9：<\/p>\n \u524d\u7aef\u600e\u4e48\u8c03？ \u5728 todos\/page.tsx \u91cc：<\/p>\n \/\/ GET：\u9ed8\u8ba4 method，\u4e0d\u9700\u8981 headers\/body \/\/ POST：\u9700\u8981 method\u3001Content-Type \u548c body GET \u548c POST \u7684\u533a\u522b：GET \u662f\u9ed8\u8ba4 method，\u4e0d\u9700\u8981 headers\/body；POST \u8981\u6307\u5b9a method: 'POST'\u3001Content-Type: application\/json \u548c body\u3002<\/p>\n todos\/page.tsx \u7684 handleAdd \u51fd\u6570\u6709 bug：<\/p>\n const handleAdd = async () => { return \u4e4b\u540e\u7684 fetch \u4e0d\u4f1a\u6267\u884c\u3002\u6b63\u786e\u5199\u6cd5：\u628a fetch \u79fb\u5230 if \u5757\u5916\u9762，\u5f53 text \u975e\u7a7a\u65f6\u624d\u6267\u884c\u3002\u8fd9\u4e2a bug \u53ef\u4ee5\u76f4\u63a5\u62ff\u53bb\u5f53\u9762\u8bd5\u6392\u9519\u9898\u3002<\/p>\n Next.js \u7684\u4ef7\u503c\u4e0d\u5728\u300c\u53c8\u4e00\u4e2a React \u6846\u67b6\u300d，\u800c\u5728\u4e8e\u7528\u300c\u670d\u52a1\u7aef\u6e32\u67d3 + \u5ba2\u6237\u7aef\u6c34\u5408\u300d\u7684\u6df7\u5408\u6a21\u5f0f，\u628a SPA \u7684\u4ea4\u4e92\u4f53\u9a8c\u548c\u4f20\u7edf\u7f51\u7ad9\u7684 SEO\/\u9996\u5c4f\u901f\u5ea6\u540c\u65f6\u62ff\u4e0b\u3002App Router \u7528\u6587\u4ef6\u5373\u8def\u7531\u7684\u7ea6\u5b9a，\u8ba9\u5168\u6808\u5f00\u53d1\u56de\u5f52\u300c\u5199\u7ec4\u4ef6\u300d\u672c\u8eab\u3002<\/p>\n \u53ef\u8fc1\u79fb\u7684\u5224\u65ad：\u5199 Next.js \u9879\u76ee\u65f6，\u9ed8\u8ba4\u7528\u670d\u52a1\u7aef\u7ec4\u4ef6，\u53ea\u5728\u9700\u8981\u4ea4\u4e92\u7684\u6700\u5c0f\u8303\u56f4\u5207\u5230\u5ba2\u6237\u7aef\u7ec4\u4ef6\u2014\u2014\u8fd9\u662f\u6027\u80fd\u548c\u4f53\u9a8c\u517c\u5f97\u7684\u5173\u952e\u3002<\/p>\n \u4e0b\u4e00\u6b65：<\/p>\n \u8fd0\u884c\u672a\u9a8c\u8bc1：\u672c\u6587\u4ee3\u7801\u57fa\u4e8e\u6e90\u7801\u9759\u6001\u5206\u6790，\u672a\u5b9e\u9645\u8fd0\u884c npm run dev\u3002\u751f\u4ea7\u73af\u5883\u8bf7\u4ee5\u5b98\u65b9\u6587\u6863\u4e3a\u51c6\u3002<\/p>\n \u6807\u7b7e：Next.js, React, SSR, SEO, \u5168\u6808\u5f00\u53d1<\/p>\n","protected":false},"excerpt":{"rendered":" Next.js App Router \u5168\u6808\u5b9e\u6218：\u4ece SPA \u7684 SEO \u75db\u70b9\u5230\u670d\u52a1\u7aef\u7ec4\u4ef6\u4e0e Hydration \u6c34\u5408\u673a\u5236 \u672c\u6587\u4ece\u4e00\u4e2a\u771f\u5b9e\u95ee\u9898\u51fa\u53d1：\u4e3a\u4ec0\u4e48\u7528 Vite React \u5199\u7684 SPA \u4e0a\u7ebf\u540e\u767e\u5ea6\u6536\u5f55\u51e0\u4e4e\u4e3a\u96f6？\u7b54\u6848\u85cf\u5728\u300c\u670d\u52a1\u5668\u5230\u5e95\u8fd4\u56de\u4e86\u4ec0\u4e48\u300d\u91cc\u3002\u63a5\u7740\u7528 my-app \u9879\u76ee\u6e90\u7801\u8bb2\u6e05 Next.js App Router \u7684\u6587\u4ef6\u8def\u7531\u7ea6\u5b9a\u3001\u670d\u52a1\u7aef\u7ec4\u4ef6\u4e0e\u5ba2\u6237\u7aef\u7ec4\u4ef6\u7684\u6838\u5fc3\u8fb9\u754c\u3001\u5ba2\u6237\u7aef\u7ec4\u4ef6\u5728 Next.js \u91cc\u7684\u300c\u4e24\u6b21\u6267\u884c\u300d\u3001Hydrat<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[10187,722,187,190],"topic":[],"class_list":["post-94209","post","type-post","status-publish","format-standard","hentry","category-server","tag-codingplan","tag-ecmascript","tag-javascript","tag-190"],"yoast_head":"\n
\n<<\/span>html<\/span>><\/span><\/span>
\n<<\/span>body<\/span>><\/span><\/span>
\n <<\/span>div<\/span> id<\/span>=<\/span>"<\/span>root"<\/span><\/span>><\/span><\/span><\/<\/span>div<\/span>><\/span><\/span> <!– \u7a7a\u58f3！–><\/span>
\n <<\/span>script<\/span> src<\/span>=<\/span>"<\/span>main.js"<\/span><\/span>><\/span><\/span><\/span><\/<\/span>script<\/span>><\/span><\/span>
\n<\/<\/span>body<\/span>><\/span><\/span>
\n<\/<\/span>html<\/span>><\/span><\/span><\/p>\n\n
\u8bbf\u95ee\u8005\u770b\u5230\u4ec0\u4e48\u7ed3\u679c<\/tr>\n \n\n \u722c\u866b（\u767e\u5ea6\/Google）<\/td>\n \u7a7a #root + <script><\/td>\n \u6293\u4e0d\u5230\u5185\u5bb9，SEO \u4e3a 0<\/td>\n<\/tr>\n \n \u771f\u5b9e\u7528\u6237<\/td>\n \u6d4f\u89c8\u5668\u8dd1 JS \u540e\u7684\u5b8c\u6574\u9875\u9762<\/td>\n \u4f53\u9a8c\u597d<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n \u4e8c\u3001Next.js \u600e\u4e48\u6551\u573a：SSR + Hydration \u6df7\u5408\u6e32\u67d3<\/h3>\n
\n
\u4e09\u3001App Router \u6587\u4ef6\u5373\u8def\u7531：page \/ layout \/ route \u4e09\u4ef6\u5957<\/h3>\n
\n
\n
URL\u6587\u4ef6\u7ec4\u4ef6\u7c7b\u578b<\/tr>\n \n\n \/<\/td>\n app\/page.tsx<\/td>\n \u670d\u52a1\u7aef\u7ec4\u4ef6<\/td>\n<\/tr>\n \n \/about<\/td>\n app\/about\/page.tsx<\/td>\n \u670d\u52a1\u7aef\u7ec4\u4ef6<\/td>\n<\/tr>\n \n \/todos<\/td>\n app\/todos\/page.tsx<\/td>\n \u5ba2\u6237\u7aef\u7ec4\u4ef6<\/td>\n<\/tr>\n \n \/api\/todos<\/td>\n app\/api\/todos\/route.ts<\/td>\n API Route<\/td>\n<\/tr>\n \n \/dashboard<\/td>\n app\/dashboard\/page.tsx<\/td>\n \u670d\u52a1\u7aef\u7ec4\u4ef6<\/td>\n<\/tr>\n \n \/dashboard\/settings<\/td>\n app\/dashboard\/settings\/page.tsx<\/td>\n \u5d4c\u5957\u8def\u7531<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\nimport Link from "next\/link";<\/p>\n
\nexport const metadata: Metadata = {
\n title: "Create Next App",
\n description: "Generated by create next app",
\n};<\/p>\n
\n return (
\n <html lang="en">
\n <body>
\n <nav>
\n <ul>
\n <li><Link href="\/about">About<\/Link><\/li>
\n <li><Link href="\/">Home<\/Link><\/li>
\n <li><Link href="\/dashboard">Dashboard \u540e\u53f0\u7ba1\u7406\u7cfb\u7edf<\/Link><\/li>
\n <\/ul>
\n <\/nav>
\n {children}
\n <\/body>
\n <\/html>
\n );
\n}<\/p>\n\n
\u56db\u3001\u670d\u52a1\u7aef\u7ec4\u4ef6 vs \u5ba2\u6237\u7aef\u7ec4\u4ef6：\u6838\u5fc3\u8fb9\u754c\u5bf9\u6bd4\u8868<\/h3>\n
\n
\u670d\u52a1\u7aef\u7ec4\u4ef6\u5ba2\u6237\u7aef\u7ec4\u4ef6<\/tr>\n \n\n \u6807\u8bb0<\/td>\n \u4ec0\u4e48\u90fd\u4e0d\u5199（\u9ed8\u8ba4）<\/td>\n \u6587\u4ef6\u7b2c\u4e00\u884c 'use client'<\/td>\n<\/tr>\n \n \u5728\u54ea\u6267\u884c<\/td>\n \u670d\u52a1\u5668\u4e0a<\/td>\n \u7528\u6237\u6d4f\u89c8\u5668\u91cc<\/td>\n<\/tr>\n \n useState\/useEffect<\/td>\n \u274c<\/td>\n \u2705<\/td>\n<\/tr>\n \n onClick \u7b49\u4e8b\u4ef6<\/td>\n \u274c<\/td>\n \u2705<\/td>\n<\/tr>\n \n window\/localStorage<\/td>\n \u274c<\/td>\n \u2705<\/td>\n<\/tr>\n \n \u76f4\u63a5 await \u53d6\u6570\u636e<\/td>\n \u2705<\/td>\n \u274c（\u8981\u7528 useEffect \u6216 SWR）<\/td>\n<\/tr>\n \n \u8f93\u51fa\u7ed3\u679c<\/td>\n HTML \u5b57\u7b26\u4e32<\/td>\n \u53ef\u4ea4\u4e92\u7684 React \u7ec4\u4ef6<\/td>\n<\/tr>\n \n \u4f18\u70b9<\/td>\n SEO \u597d\u3001\u9996\u5c4f\u5feb\u3001\u6570\u636e\u5b89\u5168<\/td>\n \u6709\u4ea4\u4e92\u80fd\u529b<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n \n
\n
\n\/\/ \u5728\u670d\u52a1\u5668\u7aef react node \u7684\u65b9\u5f0f\u8fd0\u884c
\n\/\/ jsx -> html
\nexport default function Home() {
\n return (
\n <h1>Hello World<\/h1>
\n );
\n}<\/p>\n\u4e94\u3001\u5ba2\u6237\u7aef\u7ec4\u4ef6\u7684\u4e24\u6b21\u6267\u884c：Next.js \u548c\u7eaf SPA \u7684\u5173\u952e\u5dee\u5f02<\/h3>\n
\nimport { useState, useEffect } from 'react';<\/p>\n
\n const [todos, setTodos] = useState([]); \/\/ \u7701\u7565\u7c7b\u578b\u6ce8\u89e3\u4ee5\u805a\u7126\u903b\u8f91
\n const [text, setText] = useState("");<\/p>\n
\n const res = await fetch("\/api\/todos");
\n const data = await res.json();
\n setTodos(data);
\n }<\/p>\n
\n fetchTodos();
\n }, [])<\/p>\n
\n <div>
\n <h1>\u5f85\u529e\u4e8b\u9879<\/h1>
\n <input value={text} onChange={(e) => setText(e.target.value)} \/>
\n <button onClick={handleAdd}>\u6dfb\u52a0<\/button>
\n <ul>
\n {todos.map((item) => (
\n <li key={item.id}>{item.content}<\/li>
\n ))}
\n <\/ul>
\n <\/div>
\n )
\n}<\/p>\n\n
\n
\n
\u670d\u52a1\u5668\u8fd4\u56de\u6e90\u7801\u80fd\u770b\u5230\u5185\u5bb9<\/tr>\n \n\n \u7eaf SPA（Vite）<\/td>\n \u7a7a #root<\/td>\n \u274c \u4ec0\u4e48\u90fd\u6ca1\u6709<\/td>\n<\/tr>\n \n Next.js \u670d\u52a1\u7aef\u7ec4\u4ef6<\/td>\n \u5e26\u5185\u5bb9 HTML<\/td>\n \u2705 \u5b8c\u6574<\/td>\n<\/tr>\n \n Next.js \u5ba2\u6237\u7aef\u7ec4\u4ef6<\/td>\n \u5e26\u9759\u6001\u90e8\u5206 HTML<\/td>\n \u2705 \u548c state \u65e0\u5173\u7684\u90e8\u5206\u5728，\u52a8\u6001\u90e8\u5206\u7528\u521d\u59cb\u503c\u5360\u4f4d<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n \n
\u516d\u3001API Routes：route.ts \u5199\u540e\u7aef\u63a5\u53e3<\/h3>\n
\nlet<\/span> todos =<\/span> [<\/span>
\n {<\/span> id:<\/span> 1<\/span>,<\/span> content:<\/span> '\u5b66\u4e60AppRouter'<\/span>,<\/span> completed:<\/span> true<\/span>}<\/span>,<\/span>
\n {<\/span> id:<\/span> 2<\/span>,<\/span> content:<\/span> 'next.js \u4e2a\u4eba\u5b98\u7f51\u5f00\u53d1'<\/span>,<\/span> completed:<\/span> false<\/span>}<\/span>,<\/span>
\n]<\/span><\/p>\n
\nexport<\/span> async<\/span> function<\/span> GET<\/span>(<\/span>)<\/span> {<\/span>
\n return<\/span> Response.<\/span>json<\/span>(<\/span>todos)<\/span>;<\/span> \/\/ Next.js \u5c01\u88c5\u597d\u7684 Response<\/span>
\n}<\/span><\/p>\n
\nexport<\/span> async<\/span> function<\/span> POST<\/span>(<\/span>req:<\/span> Request)<\/span> {<\/span>
\n const<\/span> body =<\/span> await<\/span> req.<\/span>json<\/span>(<\/span>)<\/span>;<\/span>
\n const<\/span> newItem =<\/span> {<\/span>
\n id:<\/span> +<\/span>Date.<\/span>now<\/span>(<\/span>)<\/span>,<\/span>
\n content:<\/span> body.<\/span>content,<\/span>
\n completed:<\/span> false<\/span>,<\/span>
\n }<\/span>
\n todos.<\/span>push<\/span>(<\/span>newItem)<\/span>;<\/span>
\n return<\/span> Response.<\/span>json<\/span>(<\/span>newItem)<\/span>;<\/span>
\n}<\/span><\/p>\n\n
\nconst res = await fetch("\/api\/todos");
\nconst data = await res.json();<\/p>\n
\nawait fetch("\/api\/todos", {
\n method: "POST",
\n headers: { "Content-Type": "application\/json" },
\n body: JSON.stringify({ content: text }),
\n});<\/p>\n\u4e03\u3001\u6536\u85cf\u8d44\u4ea7：\u6392\u9519\u8868\u4e0e\u81ea\u68c0\u6e05\u5355<\/h3>\n
\u6392\u9519\u8868：\u5e38\u89c1\u9519\u8bef \u2192 \u539f\u56e0 \u2192 \u5904\u7406<\/h4>\n
\n
\u9519\u8bef\u73b0\u8c61\u539f\u56e0\u5904\u7406\u65b9\u6cd5<\/tr>\n \n\n \u670d\u52a1\u7aef\u7ec4\u4ef6\u7528\u4e86 useState \u62a5\u9519<\/td>\n \u670d\u52a1\u7aef\u7ec4\u4ef6\u4e0d\u80fd hooks<\/td>\n \u6587\u4ef6\u9876\u90e8\u52a0 'use client'<\/td>\n<\/tr>\n \n \u7528 <a href="\/about"> \u9875\u9762\u6574\u9875\u5237\u65b0<\/td>\n <a> \u662f\u539f\u751f\u8df3\u8f6c<\/td>\n \u6539\u7528 <Link href="\/about"><\/td>\n<\/tr>\n \n \u5ba2\u6237\u7aef\u7ec4\u4ef6 import \u670d\u52a1\u7aef\u7ec4\u4ef6\u62a5\u9519<\/td>\n \u5ba2\u6237\u7aef\u7ec4\u4ef6\u4e0d\u80fd\u518d\u8dd1\u670d\u52a1\u7aef\u903b\u8f91<\/td>\n \u628a\u670d\u52a1\u7aef\u903b\u8f91\u62c6\u6210 props \u4f20\u8fdb\u53bb，\u6216\u91cd\u6784\u6210\u5ba2\u6237\u7aef\u7ec4\u4ef6<\/td>\n<\/tr>\n \n useEffect \u91cc\u7684 fetch \u6ca1\u89e6\u53d1<\/td>\n \u4f9d\u8d56\u6570\u7ec4\u5199\u9519<\/td>\n \u7a7a\u4f9d\u8d56\u6570\u7ec4 [] \u53ea\u8dd1\u4e00\u6b21，\u786e\u8ba4\u5199\u6cd5<\/td>\n<\/tr>\n \n API Route \u8fd4\u56de\u7684\u4e0d\u662f JSON<\/td>\n \u7528\u4e86 res.send<\/td>\n \u6539\u7528 Response.json()<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n \u81ea\u68c0\u6e05\u5355：\u5199 Next.js \u9875\u9762\u524d\u7684 5 \u4e2a\u95ee\u9898<\/h4>\n
\n
\u4e00\u4e2a\u771f\u5b9e\u7684\u4ee3\u7801 bug（\u6392\u9519\u6848\u4f8b）<\/h4>\n
\n if (!text.trim()) {
\n return; \/\/ \u2190 \u8fd9\u91cc return \u4e86
\n await fetch("\/api\/todos", { \/\/ \u2190 \u4e0d\u4f1a\u6267\u884c！
\n method: "POST",
\n \/\/ …
\n });
\n }
\n}<\/p>\n\u603b\u7ed3\u4e0e\u4e0b\u4e00\u6b65<\/h3>\n
\n
\n