{"id":46135,"date":"2025-07-30T02:32:40","date_gmt":"2025-07-29T18:32:40","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/46135.html"},"modified":"2025-07-30T02:32:40","modified_gmt":"2025-07-29T18:32:40","slug":"%e6%9c%8d%e5%8a%a1%e5%99%a8%e7%bb%84%e4%bb%b6%e4%b8%8e-actions%ef%bc%9a%e9%87%8d%e5%a1%91-react-%e6%95%b0%e6%8d%ae%e4%ba%a4%e4%ba%92","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/46135.html","title":{"rendered":"\u670d\u52a1\u5668\u7ec4\u4ef6\u4e0e Actions\uff1a\u91cd\u5851 React \u6570\u636e\u4ea4\u4e92"},"content":{"rendered":"<h3>\u5173\u952e\u70b9<\/h3>\n<ul>\n<li>\u670d\u52a1\u5668\u7ec4\u4ef6&#xff08;Server Components&#xff09;&#xff1a;React 19 \u5f15\u5165\u7684\u670d\u52a1\u5668\u7aef\u6e32\u67d3\u673a\u5236&#xff0c;\u51cf\u5c11\u5ba2\u6237\u7aef JavaScript \u4f53\u79ef&#xff0c;\u63d0\u5347\u521d\u6b21\u52a0\u8f7d\u901f\u5ea6\u548c SEO \u6548\u679c\u3002<\/li>\n<li>Actions&#xff1a;\u901a\u8fc7 formAction \u548c\u65b0 Hook&#xff08;\u5982 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\u5219\u901a\u8fc7 formAction \u5c5e\u6027\u548c useActionState\u3001useFormStatus \u7b49\u65b0 Hook&#xff0c;\u7b80\u5316\u4e86\u5f02\u6b65\u64cd\u4f5c\u548c\u8868\u5355\u5904\u7406&#xff0c;\u652f\u6301\u6e10\u8fdb\u589e\u5f3a\u548c\u4e50\u89c2\u66f4\u65b0\u3002\u8fd9\u4e9b\u7279\u6027\u4f7f React \u5e94\u7528\u80fd\u591f\u66f4\u9ad8\u6548\u5730\u5904\u7406\u52a8\u6001\u6570\u636e&#xff0c;\u540c\u65f6\u63d0\u4f9b\u66f4\u597d\u7684\u7528\u6237\u4f53\u9a8c\u3002<\/p>\n<p>\u5c3d\u7ba1\u670d\u52a1\u5668\u7ec4\u4ef6\u548c Actions \u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u529f\u80fd&#xff0c;\u5176\u4f7f\u7528\u4e5f\u5e26\u6765\u4e86\u65b0\u7684\u6311\u6218&#xff0c;\u5982\u670d\u52a1\u5668\u4e0e\u5ba2\u6237\u7aef\u7ec4\u4ef6\u7684\u8fb9\u754c\u5212\u5206\u3001\u5f02\u6b65\u9519\u8bef\u5904\u7406\u548c\u90e8\u7f72\u914d\u7f6e\u3002\u672c\u6587\u901a\u8fc7\u4e00\u4e2a\u591a\u8bed\u8a00\u6587\u6863\u7ba1\u7406\u5e94\u7528&#xff0c;\u6df1\u5165\u63a2\u8ba8\u670d\u52a1\u5668\u7ec4\u4ef6\u548c Actions 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\u7684\u57fa\u672c\u6982\u5ff5\u3002\u5185\u5bb9\u8be6\u5b9e\u4e14\u5b9e\u7528&#xff0c;\u9002\u5408\u6df1\u5165\u5b66\u4e60\u670d\u52a1\u5668\u7ec4\u4ef6\u548c Actions \u7684\u73b0\u4ee3\u6570\u636e\u4ea4\u4e92\u6a21\u5f0f\u3002<\/p>\n<hr \/>\n<h3>\u9700\u6c42\u5206\u6790<\/h3>\n<p>\u5728\u52a8\u624b\u7f16\u7801\u4e4b\u524d&#xff0c;\u6211\u4eec\u9700\u8981\u660e\u786e\u591a\u8bed\u8a00\u6587\u6863\u7ba1\u7406\u5e94\u7528\u7684\u529f\u80fd\u9700\u6c42&#xff0c;\u805a\u7126\u670d\u52a1\u5668\u7ec4\u4ef6\u548c Actions \u7684\u5e94\u7528\u573a\u666f\u3002\u4ee5\u4e0b\u662f\u9879\u76ee\u7684\u6838\u5fc3\u9700\u6c42&#xff1a;<\/p>\n<li>\u6587\u6863\u7ba1\u7406&#xff08;\u670d\u52a1\u5668\u7ec4\u4ef6&#xff09;\n<ul>\n<li>\u4f7f\u7528\u670d\u52a1\u5668\u7ec4\u4ef6\u52a0\u8f7d\u6587\u6863\u5217\u8868&#xff0c;\u51cf\u5c11\u5ba2\u6237\u7aef JavaScript\u3002<\/li>\n<li>\u652f\u6301\u52a8\u6001\u8fc7\u6ee4\u548c\u6392\u5e8f&#xff0c;\u6570\u636e\u5728\u670d\u52a1\u5668\u7aef\u5904\u7406\u3002<\/li>\n<li>\u63d0\u4f9b\u6587\u6863\u9884\u89c8\u529f\u80fd&#xff0c;\u7ed3\u5408\u5ba2\u6237\u7aef\u7ec4\u4ef6\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u5b9e\u65f6\u641c\u7d22&#xff08;Actions&#xff09;\n<ul>\n<li>\u4f7f\u7528 formAction \u548c useActionState \u5b9e\u73b0\u641c\u7d22\u8868\u5355\u3002<\/li>\n<li>\u4f7f\u7528 useFormStatus \u663e\u793a\u8868\u5355\u63d0\u4ea4\u72b6\u6001&#xff08;\u5982\u52a0\u8f7d\u4e2d&#xff09;\u3002<\/li>\n<li>\u4f7f\u7528 useOptimistic \u63d0\u4f9b\u5373\u65f6\u641c\u7d22\u53cd\u9988\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u7528\u6237\u8ba4\u8bc1&#xff08;Actions&#xff09;\n<ul>\n<li>\u4f7f\u7528 Actions \u5904\u7406\u767b\u5f55\u548c\u6ce8\u9500\u903b\u8f91\u3002<\/li>\n<li>\u7ba1\u7406\u7528\u6237\u72b6\u6001&#xff08;\u5982\u7528\u6237\u540d\u3001\u89d2\u8272&#xff09;&#xff0c;\u7ed3\u5408\u670d\u52a1\u5668\u7ec4\u4ef6\u9a8c\u8bc1\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u591a\u8bed\u8a00\u652f\u6301\n<ul>\n<li>\u652f\u6301\u5207\u6362\u8bed\u8a00&#xff08;\u5982\u4e2d\u6587\u3001\u82f1\u6587\u3001\u897f\u73ed\u7259\u6587&#xff09;\u3002<\/li>\n<li>\u4f7f\u7528 use Hook \u8bfb\u53d6\u5f02\u6b65\u7ffb\u8bd1\u6570\u636e\u3002<\/li>\n<li>\u52a8\u6001\u66f4\u65b0 UI \u6587\u672c&#xff08;\u5982\u6309\u94ae\u3001\u6807\u9898&#xff09;\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u6027\u80fd\u4f18\u5316\n<ul>\n<li>\u4f7f\u7528\u670d\u52a1\u5668\u7ec4\u4ef6\u51cf\u5c11\u5ba2\u6237\u7aef\u6e32\u67d3\u8d1f\u62c5\u3002<\/li>\n<li>\u7ed3\u5408 Suspense \u548c\u9519\u8bef\u8fb9\u754c\u7ba1\u7406\u5f02\u6b65\u52a0\u8f7d\u548c\u9519\u8bef\u72b6\u6001\u3002<\/li>\n<li>\u4f7f\u7528 React \u7f16\u8bd1\u5668\u4f18\u5316\u5ba2\u6237\u7aef\u7ec4\u4ef6\u6e32\u67d3\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u53ef\u8bbf\u95ee\u6027&#xff08;a11y&#xff09;\n<ul>\n<li>\u4e3a\u52a8\u6001\u5185\u5bb9&#xff08;\u5982\u641c\u7d22\u7ed3\u679c\u3001\u767b\u5f55\u72b6\u6001&#xff09;\u6dfb\u52a0 ARIA \u5c5e\u6027\u3002<\/li>\n<li>\u652f\u6301\u952e\u76d8\u5bfc\u822a\u548c\u5c4f\u5e55\u9605\u8bfb\u5668&#xff08;\u5982 NVDA&#xff09;\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u624b\u673a\u7aef\u9002\u914d\n<ul>\n<li>\u54cd\u5e94\u5f0f\u5e03\u5c40&#xff0c;\u9002\u914d\u4e0d\u540c\u5c4f\u5e55\u5c3a\u5bf8\u3002<\/li>\n<li>\u4f18\u5316\u89e6\u63a7\u4ea4\u4e92&#xff08;\u5982\u8f93\u5165\u6846\u3001\u6309\u94ae&#xff09;\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u90e8\u7f72\n<ul>\n<li>\u96c6\u6210\u5230 Vite \u9879\u76ee&#xff0c;\u90e8\u7f72\u5230 Vercel\u3002<\/li>\n<li>\u652f\u6301\u670d\u52a1\u5668\u7ec4\u4ef6\u7684\u8fd0\u884c\u65f6\u73af\u5883\u548c CDN \u52a0\u901f\u3002<\/li>\n<\/ul>\n<\/li>\n<h4>\u9700\u6c42\u80cc\u540e\u7684\u610f\u4e49<\/h4>\n<p>\u8fd9\u4e9b\u9700\u6c42\u8986\u76d6\u4e86\u670d\u52a1\u5668\u7ec4\u4ef6\u548c Actions \u7684\u6838\u5fc3\u5e94\u7528\u573a\u666f&#xff1a;<\/p>\n<ul>\n<li>\u6587\u6863\u7ba1\u7406&#xff1a;\u5c55\u793a\u670d\u52a1\u5668\u7ec4\u4ef6\u5982\u4f55\u51cf\u5c11\u5ba2\u6237\u7aef\u4ee3\u7801\u91cf&#xff0c;\u63d0\u5347\u6027\u80fd\u548c SEO\u3002<\/li>\n<li>\u5b9e\u65f6\u641c\u7d22&#xff1a;\u901a\u8fc7 Actions \u548c\u65b0 Hook \u7b80\u5316\u5f02\u6b65\u4ea4\u4e92&#xff0c;\u63d0\u4f9b\u5373\u65f6\u53cd\u9988\u3002<\/li>\n<li>\u7528\u6237\u8ba4\u8bc1&#xff1a;\u5c55\u793a Actions \u5728\u72b6\u6001\u7ba1\u7406\u548c\u670d\u52a1\u5668\u7aef\u9a8c\u8bc1\u4e2d\u7684\u80fd\u529b\u3002<\/li>\n<li>\u591a\u8bed\u8a00\u652f\u6301&#xff1a;\u7ed3\u5408 use Hook \u548c Context&#xff0c;\u4f18\u5316\u5168\u5c40\u72b6\u6001\u7ba1\u7406\u3002<\/li>\n<li>\u6027\u80fd\u4f18\u5316&#xff1a;\u5229\u7528\u670d\u52a1\u5668\u7ec4\u4ef6\u548c\u7f16\u8bd1\u5668\u51cf\u5c11\u6e32\u67d3\u5f00\u9500\u3002<\/li>\n<li>\u53ef\u8bbf\u95ee\u6027\u548c\u624b\u673a\u7aef\u9002\u914d&#xff1a;\u786e\u4fdd\u5e94\u7528\u8986\u76d6\u5e7f\u6cdb\u7528\u6237\u7fa4\u4f53\u3002<\/li>\n<\/ul>\n<hr \/>\n<h3>\u6280\u672f\u6808\u9009\u62e9<\/h3>\n<p>\u4ee5\u4e0b\u662f\u672c\u9879\u76ee\u4f7f\u7528\u7684\u6280\u672f\u6808\u53ca\u5176\u7406\u7531&#xff1a;<\/p>\n<ul>\n<li>React 19 \u6838\u5fc3\u6846\u67b6&#xff0c;\u652f\u6301\u670d\u52a1\u5668\u7ec4\u4ef6\u3001Actions \u548c\u65b0 Hook&#xff0c;\u4f18\u5316\u6027\u80fd\u548c\u6570\u636e\u4ea4\u4e92\u3002<\/li>\n<li>TypeScript \u63d0\u4f9b\u7c7b\u578b\u5b89\u5168&#xff0c;\u589e\u5f3a\u4ee3\u7801\u53ef\u7ef4\u62a4\u6027\u548c IDE \u8865\u5168&#xff0c;\u9002\u5408\u590d\u6742\u9879\u76ee\u3002<\/li>\n<li>Vite \u6784\u5efa\u5de5\u5177&#xff0c;\u63d0\u4f9b\u5feb\u901f\u5f00\u53d1\u670d\u52a1\u5668\u548c\u9ad8\u6548\u6253\u5305&#xff0c;\u652f\u6301\u670d\u52a1\u5668\u7ec4\u4ef6\u548c React \u7f16\u8bd1\u5668\u3002<\/li>\n<li>React Query \u6570\u636e\u83b7\u53d6\u548c\u72b6\u6001\u7ba1\u7406\u5e93&#xff0c;\u7b80\u5316\u5f02\u6b65\u6570\u636e\u5904\u7406&#xff0c;\u4e0e use Hook \u534f\u540c\u5de5\u4f5c\u3002<\/li>\n<li>Tailwind CSS \u63d0\u4f9b\u7075\u6d3b\u7684\u6837\u5f0f\u89e3\u51b3\u65b9\u6848&#xff0c;\u652f\u6301\u54cd\u5e94\u5f0f\u8bbe\u8ba1\u548c\u6697\u8272\u6a21\u5f0f\u3002<\/li>\n<li>Vercel \u7528\u4e8e\u90e8\u7f72\u5e94\u7528&#xff0c;\u63d0\u4f9b\u9ad8\u53ef\u7528\u6027\u548c\u670d\u52a1\u5668\u7ec4\u4ef6\u652f\u6301&#xff0c;\u517c\u5bb9 React 19\u3002<\/li>\n<\/ul>\n<h4>\u6280\u672f\u6808\u4f18\u52bf<\/h4>\n<ul>\n<li>React 19&#xff1a;\u670d\u52a1\u5668\u7ec4\u4ef6\u51cf\u5c11\u5ba2\u6237\u7aef\u8d1f\u62c5&#xff0c;Actions \u7b80\u5316\u5f02\u6b65\u64cd\u4f5c\u3002<\/li>\n<li>TypeScript&#xff1a;\u63d0\u5347\u4ee3\u7801\u8d28\u91cf&#xff0c;\u51cf\u5c11\u8fd0\u884c\u65f6\u9519\u8bef\u3002<\/li>\n<li>Vite&#xff1a;\u5feb\u901f\u542f\u52a8&#xff0c;\u652f\u6301\u670d\u52a1\u5668\u7ec4\u4ef6\u548c\u6a21\u5757\u5316\u5f00\u53d1\u3002<\/li>\n<li>React Query&#xff1a;\u4f18\u5316\u5f02\u6b65\u6570\u636e\u7ba1\u7406&#xff0c;\u51cf\u5c11\u91cd\u590d\u8bf7\u6c42\u3002<\/li>\n<li>Tailwind CSS&#xff1a;\u5feb\u901f\u5b9e\u73b0\u54cd\u5e94\u5f0f\u548c\u4e3b\u9898\u5316\u6837\u5f0f\u3002<\/li>\n<li>Vercel&#xff1a;\u65e0\u7f1d\u90e8\u7f72&#xff0c;\u652f\u6301\u670d\u52a1\u5668\u7ec4\u4ef6\u8fd0\u884c\u65f6\u548c CDN \u52a0\u901f\u3002<\/li>\n<\/ul>\n<hr \/>\n<h3>\u670d\u52a1\u5668\u7ec4\u4ef6\u4e0e Actions \u539f\u7406<\/h3>\n<h4>1. \u670d\u52a1\u5668\u7ec4\u4ef6&#xff08;Server Components&#xff09;<\/h4>\n<p>\u80cc\u666f&#xff1a;\u4f20\u7edf React \u5e94\u7528\u5728\u5ba2\u6237\u7aef\u6e32\u67d3\u6240\u6709\u7ec4\u4ef6&#xff0c;\u5bfc\u81f4 JavaScript \u4f53\u79ef\u5927\u3001\u521d\u6b21\u52a0\u8f7d\u6162\u4e14 SEO \u4e0d\u53cb\u597d\u3002\u670d\u52a1\u5668\u7ec4\u4ef6\u5141\u8bb8\u5f00\u53d1\u8005\u5728\u670d\u52a1\u5668\u7aef\u6e32\u67d3\u7ec4\u4ef6&#xff0c;\u4ec5\u5c06 HTML \u548c\u5fc5\u8981\u6570\u636e\u53d1\u9001\u5230\u5ba2\u6237\u7aef\u3002<\/p>\n<p>\u5de5\u4f5c\u539f\u7406&#xff1a;<\/p>\n<ul>\n<li>\u4f7f\u7528 &#034;use server&#034; \u6307\u4ee4\u6807\u8bb0\u670d\u52a1\u5668\u7ec4\u4ef6&#xff0c;\u8fd0\u884c\u4e8e\u670d\u52a1\u5668\u7aef\u3002<\/li>\n<li>\u670d\u52a1\u5668\u7ec4\u4ef6\u4e0d\u5305\u542b\u5ba2\u6237\u7aef\u4ea4\u4e92\u903b\u8f91&#xff08;\u5982 useState\u3001useEffect&#xff09;\u3002<\/li>\n<li>\u4e0e\u5ba2\u6237\u7aef\u7ec4\u4ef6&#xff08;&#034;use client&#034;&#xff09;\u534f\u4f5c&#xff0c;\u5b9e\u73b0\u6df7\u5408\u6e32\u67d3\u3002<\/li>\n<li>\u6570\u636e\u83b7\u53d6&#xff08;\u5982 API \u8c03\u7528&#xff09;\u5728\u670d\u52a1\u5668\u7aef\u5b8c\u6210&#xff0c;\u51cf\u5c11\u5ba2\u6237\u7aef\u8bf7\u6c42\u3002<\/li>\n<\/ul>\n<p>\u4f18\u52bf&#xff1a;<\/p>\n<ul>\n<li>\u6027\u80fd\u63d0\u5347&#xff1a;\u51cf\u5c11\u5ba2\u6237\u7aef JavaScript&#xff0c;\u52a0\u5feb\u521d\u6b21\u52a0\u8f7d\u3002<\/li>\n<li>SEO \u4f18\u5316&#xff1a;\u670d\u52a1\u5668\u7aef\u751f\u6210\u7684 HTML \u6613\u4e8e\u641c\u7d22\u5f15\u64ce\u722c\u53d6\u3002<\/li>\n<li>\u903b\u8f91\u5171\u4eab&#xff1a;\u670d\u52a1\u5668\u7aef\u548c\u5ba2\u6237\u7aef\u53ef\u5171\u4eab\u7ec4\u4ef6\u903b\u8f91\u3002<\/li>\n<\/ul>\n<p>\u5c40\u9650\u6027&#xff1a;<\/p>\n<ul>\n<li>\u4e0d\u80fd\u4f7f\u7528\u5ba2\u6237\u7aef Hook&#xff08;\u5982 useState\u3001useEffect&#xff09;\u3002<\/li>\n<li>\u9700\u8981\u652f\u6301\u670d\u52a1\u5668\u7ec4\u4ef6\u7684\u8fd0\u884c\u65f6&#xff08;\u5982 Next.js 15 \u6216 Vercel&#xff09;\u3002<\/li>\n<\/ul>\n<p>\u793a\u4f8b&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ src\/components\/DocumentList.server.tsx<\/span><br \/>\n<span class=\"token comment\">\/\/ &#034;use server&#034;;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">{<\/span> fetchDocuments <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;..\/hooks\/useDocuments&#039;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">export<\/span> <span class=\"token keyword\">async<\/span> <span class=\"token keyword\">function<\/span> <span class=\"token function\">DocumentList<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span> onSelect <span class=\"token punctuation\">}<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token function-variable function\">onSelect<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">(<\/span>id<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> documents <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">await<\/span> <span class=\"token function\">fetchDocuments<\/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>ul<span class=\"token operator\">&gt;<\/span><br \/>\n      <span class=\"token punctuation\">{<\/span>documents<span class=\"token punctuation\">.<\/span><span class=\"token function\">map<\/span><span class=\"token punctuation\">(<\/span>doc <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>doc<span class=\"token punctuation\">.<\/span>id<span class=\"token punctuation\">}<\/span> 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\">onSelect<\/span><span class=\"token punctuation\">(<\/span>doc<span class=\"token punctuation\">.<\/span>id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">}<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n          <span class=\"token punctuation\">{<\/span>doc<span class=\"token punctuation\">.<\/span>title<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 punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>2. Actions<\/h4>\n<p>\u80cc\u666f&#xff1a;\u4f20\u7edf React \u8868\u5355\u5904\u7406\u9700\u8981\u624b\u52a8\u7ba1\u7406\u72b6\u6001\u548c\u5f02\u6b65\u903b\u8f91&#xff0c;\u4ee3\u7801\u590d\u6742\u4e14\u5bb9\u6613\u51fa\u9519\u3002Actions \u901a\u8fc7 formAction \u5c5e\u6027\u548c useActionState\u3001useFormStatus Hook&#xff0c;\u7b80\u5316\u5f02\u6b65\u64cd\u4f5c\u548c\u72b6\u6001\u66f4\u65b0\u3002<\/p>\n<p>\u5de5\u4f5c\u539f\u7406&#xff1a;<\/p>\n<ul>\n<li>\u4f7f\u7528 &lt;form action&#061;{handleSubmit}&gt; \u6307\u5b9a\u5f02\u6b65\u5904\u7406\u51fd\u6570\u3002<\/li>\n<li>useActionState \u7ba1\u7406\u8868\u5355\u72b6\u6001\u548c\u63d0\u4ea4\u7ed3\u679c\u3002<\/li>\n<li>useFormStatus \u63d0\u4f9b\u8868\u5355\u63d0\u4ea4\u72b6\u6001&#xff08;\u5982 pending&#xff09;\u3002<\/li>\n<li>\u652f\u6301\u6e10\u8fdb\u589e\u5f3a&#xff1a;\u5373\u4f7f JavaScript \u7981\u7528&#xff0c;\u8868\u5355\u4ecd\u53ef\u5de5\u4f5c\u3002<\/li>\n<\/ul>\n<p>\u4f18\u52bf&#xff1a;<\/p>\n<ul>\n<li>\u7b80\u5316\u5f02\u6b65\u903b\u8f91&#xff1a;\u65e0\u9700\u624b\u52a8\u7ba1\u7406\u52a0\u8f7d\u72b6\u6001\u3002<\/li>\n<li>\u4e50\u89c2\u66f4\u65b0&#xff1a;\u7ed3\u5408 useOptimistic \u63d0\u4f9b\u5373\u65f6\u53cd\u9988\u3002<\/li>\n<li>\u4e0e\u670d\u52a1\u5668\u7ec4\u4ef6\u96c6\u6210&#xff1a;\u652f\u6301\u670d\u52a1\u5668\u7aef\u8868\u5355\u5904\u7406\u3002<\/li>\n<\/ul>\n<p>\u793a\u4f8b&#xff1a;<\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">{<\/span> useActionState <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\">async<\/span> <span class=\"token keyword\">function<\/span> <span class=\"token function\">searchDocuments<\/span><span class=\"token punctuation\">(<\/span>formData<span class=\"token operator\">:<\/span> FormData<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> query <span class=\"token operator\">&#061;<\/span> formData<span class=\"token punctuation\">.<\/span><span class=\"token keyword\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;query&#039;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">as<\/span> <span class=\"token builtin\">string<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">await<\/span> <span class=\"token function\">fetchDocuments<\/span><span class=\"token punctuation\">(<\/span>query<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">function<\/span> <span class=\"token function\">SearchForm<\/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>state<span class=\"token punctuation\">,<\/span> formAction<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">useActionState<\/span><span class=\"token punctuation\">(<\/span>searchDocuments<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><br \/>\n  <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">(<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span>form action<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">{<\/span>formAction<span class=\"token punctuation\">}<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n      <span class=\"token operator\">&lt;<\/span>input name<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;query&#034;<\/span> <span class=\"token keyword\">type<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;text&#034;<\/span> <span class=\"token operator\">\/<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n      <span class=\"token operator\">&lt;<\/span>button <span class=\"token keyword\">type<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;submit&#034;<\/span><span class=\"token operator\">&gt;<\/span>\u641c\u7d22<span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>button<span class=\"token operator\">&gt;<\/span><br \/>\n      <span class=\"token punctuation\">{<\/span>state<span class=\"token punctuation\">.<\/span><span class=\"token function\">map<\/span><span class=\"token punctuation\">(<\/span>doc <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token operator\">&lt;<\/span>div key<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">{<\/span>doc<span class=\"token punctuation\">.<\/span>id<span class=\"token punctuation\">}<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">{<\/span>doc<span class=\"token punctuation\">.<\/span>title<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><span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>form<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<hr \/>\n<h3>\u9879\u76ee\u5b9e\u73b0<\/h3>\n<p>\u6211\u4eec\u5c06\u901a\u8fc7\u4e00\u4e2a\u591a\u8bed\u8a00\u6587\u6863 management \u5e94\u7528&#xff0c;\u5c55\u793a\u670d\u52a1\u5668\u7ec4\u4ef6\u548c Actions \u7684\u5b9e\u73b0\u3002\u4ee5\u4e0b\u662f\u9010\u6b65\u5b9e\u73b0\u3002<\/p>\n<h4>1. \u9879\u76ee\u642d\u5efa<\/h4>\n<p>\u4f7f\u7528 Vite \u521b\u5efa React 19 \u9879\u76ee&#xff1a;<\/p>\n<p><span class=\"token function\">npm<\/span> create vite&#064;latest doc-manager &#8212; &#8211;template react-ts<br \/>\n<span class=\"token builtin class-name\">cd<\/span> doc-manager<br \/>\n<span class=\"token function\">npm<\/span> <span class=\"token function\">install<\/span> react&#064;19 react-dom&#064;19 &#064;tanstack\/react-query tailwindcss postcss autoprefixer<br \/>\n<span class=\"token function\">npm<\/span> <span class=\"token function\">install<\/span> -D &#064;babel\/plugin-transform-react-compiler<br \/>\n<span class=\"token function\">npm<\/span> run dev<\/p>\n<p>\u914d\u7f6e React \u7f16\u8bd1\u5668&#xff08;vite.config.ts&#xff09;&#xff1a;<\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">{<\/span> defineConfig <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;vite&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> react <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;&#064;vitejs\/plugin-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 function\">defineConfig<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><br \/>\n  plugins<span class=\"token operator\">:<\/span> <span class=\"token punctuation\">[<\/span><br \/>\n    <span class=\"token function\">react<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><br \/>\n      babel<span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        plugins<span class=\"token operator\">:<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token string\">&#039;&#064;babel\/plugin-transform-react-compiler&#039;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      <span class=\"token punctuation\">}<\/span><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 punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u66f4\u65b0 package.json&#xff1a;<\/p>\n<p><span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token string\">&#034;dependencies&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token string\">&#034;react&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;^19.0.0&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token string\">&#034;react-dom&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;^19.0.0&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token string\">&#034;&#064;tanstack\/react-query&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;^5.59.13&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token string\">&#034;tailwindcss&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;^3.4.14&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token string\">&#034;postcss&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;^8.4.47&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token string\">&#034;autoprefixer&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;^10.4.20&#034;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  <span class=\"token string\">&#034;devDependencies&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token string\">&#034;&#064;babel\/plugin-transform-react-compiler&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;^0.0.0-experimental-6967d3d&#034;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u521d\u59cb\u5316 Tailwind CSS&#xff1a;<\/p>\n<p>npx tailwindcss init -p<\/p>\n<p>\u7f16\u8f91 tailwind.config.js&#xff1a;<\/p>\n<p><span class=\"token comment\">\/** &#064;type {import(&#039;tailwindcss&#039;).Config} *\/<\/span><br \/>\n<span class=\"token keyword\">export<\/span> <span class=\"token keyword\">default<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  content<span class=\"token operator\">:<\/span> <span class=\"token punctuation\">[<\/span><br \/>\n    <span class=\"token string\">&#034;.\/index.html&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token string\">&#034;.\/src\/**\/*.{js,ts,jsx,tsx}&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  <span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  theme<span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    extend<span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      colors<span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        primary<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;#3b82f6&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        secondary<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;#1f2937&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  plugins<span class=\"token operator\">:<\/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>\u5728 src\/index.css \u4e2d\u5f15\u5165 Tailwind&#xff1a;<\/p>\n<p><span class=\"token atrule\"><span class=\"token rule\">&#064;tailwind<\/span> base<span class=\"token punctuation\">;<\/span><\/span><br \/>\n<span class=\"token atrule\"><span class=\"token rule\">&#064;tailwind<\/span> components<span class=\"token punctuation\">;<\/span><\/span><br \/>\n<span class=\"token atrule\"><span class=\"token rule\">&#064;tailwind<\/span> utilities<span class=\"token punctuation\">;<\/span><\/span><\/p>\n<p><span class=\"token selector\">.dark<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token atrule\"><span class=\"token rule\">&#064;apply<\/span> bg-gray-900 text-white<span class=\"token punctuation\">;<\/span><\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>2. \u7ec4\u4ef6\u62c6\u5206<\/h4>\n<p>\u5e94\u7528\u5305\u542b\u4ee5\u4e0b\u7ec4\u4ef6&#xff1a;<\/p>\n<ul>\n<li>App&#xff1a;\u6839\u7ec4\u4ef6&#xff0c;\u7ba1\u7406\u5168\u5c40\u72b6\u6001\u548c\u5e03\u5c40\u3002<\/li>\n<li>DocumentList&#xff1a;\u670d\u52a1\u5668\u7ec4\u4ef6&#xff0c;\u52a0\u8f7d\u6587\u6863\u6570\u636e\u3002<\/li>\n<li>DocumentPreview&#xff1a;\u5ba2\u6237\u7aef\u7ec4\u4ef6&#xff0c;\u663e\u793a\u6587\u6863\u8be6\u60c5\u3002<\/li>\n<li>SearchForm&#xff1a;\u5ba2\u6237\u7aef\u7ec4\u4ef6&#xff0c;\u4f7f\u7528 Actions \u5b9e\u73b0\u641c\u7d22\u3002<\/li>\n<li>AuthForm&#xff1a;\u5ba2\u6237\u7aef\u7ec4\u4ef6&#xff0c;\u4f7f\u7528 Actions \u5904\u7406\u7528\u6237\u8ba4\u8bc1\u3002<\/li>\n<li>LanguageSelector&#xff1a;\u5ba2\u6237\u7aef\u7ec4\u4ef6&#xff0c;\u5207\u6362\u8bed\u8a00\u3002<\/li>\n<\/ul>\n<h5>\u6587\u4ef6\u7ed3\u6784<\/h5>\n<p>src\/<br \/>\n\u251c\u2500\u2500 components\/<br \/>\n\u2502   \u251c\u2500\u2500 DocumentList.tsx<br \/>\n\u2502   \u251c\u2500\u2500 DocumentPreview.tsx<br \/>\n\u2502   \u251c\u2500\u2500 SearchForm.tsx<br \/>\n\u2502   \u251c\u2500\u2500 AuthForm.tsx<br \/>\n\u2502   \u251c\u2500\u2500 LanguageSelector.tsx<br \/>\n\u251c\u2500\u2500 contexts\/<br \/>\n\u2502   \u251c\u2500\u2500 LanguageContext.ts<br \/>\n\u2502   \u251c\u2500\u2500 AuthContext.ts<br \/>\n\u251c\u2500\u2500 hooks\/<br \/>\n\u2502   \u251c\u2500\u2500 useDocuments.ts<br \/>\n\u251c\u2500\u2500 types\/<br \/>\n\u2502   \u2514\u2500\u2500 index.ts<br \/>\n\u251c\u2500\u2500 App.tsx<br \/>\n\u251c\u2500\u2500 main.tsx<br \/>\n\u2514\u2500\u2500 index.css<\/p>\n<h4>3. \u5b9e\u73b0\u6587\u6863\u7ba1\u7406&#xff08;\u670d\u52a1\u5668\u7ec4\u4ef6&#xff09;<\/h4>\n<p>src\/types\/index.ts&#xff1a;<\/p>\n<p><span class=\"token keyword\">export<\/span> <span class=\"token keyword\">interface<\/span> <span class=\"token class-name\">Document<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  id<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  title<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  content<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  summary<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>src\/hooks\/useDocuments.ts&#xff1a;<\/p>\n<p><span class=\"token keyword\">export<\/span> <span class=\"token keyword\">async<\/span> <span class=\"token keyword\">function<\/span> <span class=\"token function\">fetchDocuments<\/span><span class=\"token punctuation\">(<\/span>query<span class=\"token operator\">?<\/span><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\">await<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\"><span class=\"token builtin\">Promise<\/span><\/span><span class=\"token punctuation\">(<\/span>resolve <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token function\">setTimeout<\/span><span class=\"token punctuation\">(<\/span>resolve<span class=\"token punctuation\">,<\/span> <span class=\"token number\">1000<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> documents <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span> id<span class=\"token operator\">:<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> title<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;\u5e74\u5ea6\u62a5\u544a&#039;<\/span><span class=\"token punctuation\">,<\/span> content<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;\u8fd9\u662f\u5e74\u5ea6\u62a5\u544a\u7684\u5185\u5bb9&#039;<\/span><span class=\"token punctuation\">,<\/span> summary<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;\u5e74\u5ea6\u62a5\u544a\u6458\u8981&#039;<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span> id<span class=\"token operator\">:<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> title<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;\u8d22\u52a1\u62a5\u8868&#039;<\/span><span class=\"token punctuation\">,<\/span> content<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;\u8fd9\u662f\u8d22\u52a1\u62a5\u8868\u7684\u5185\u5bb9&#039;<\/span><span class=\"token punctuation\">,<\/span> summary<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;\u8d22\u52a1\u62a5\u8868\u6458\u8981&#039;<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span> id<span class=\"token operator\">:<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">,<\/span> title<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;\u9879\u76ee\u8ba1\u5212&#039;<\/span><span class=\"token punctuation\">,<\/span> content<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;\u8fd9\u662f\u9879\u76ee\u8ba1\u5212\u7684\u5185\u5bb9&#039;<\/span><span class=\"token punctuation\">,<\/span> summary<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;\u9879\u76ee\u8ba1\u5212\u6458\u8981&#039;<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  <span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">return<\/span> query<br \/>\n    <span class=\"token operator\">?<\/span> documents<span class=\"token punctuation\">.<\/span><span class=\"token function\">filter<\/span><span class=\"token punctuation\">(<\/span>doc <span class=\"token operator\">&#061;&gt;<\/span> doc<span class=\"token punctuation\">.<\/span>title<span class=\"token punctuation\">.<\/span><span class=\"token function\">toLowerCase<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">includes<\/span><span class=\"token punctuation\">(<\/span>query<span class=\"token punctuation\">.<\/span><span class=\"token function\">toLowerCase<\/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 operator\">:<\/span> documents<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>src\/components\/DocumentList.tsx&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ &#034;use server&#034;;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">{<\/span> fetchDocuments <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;..\/hooks\/useDocuments&#039;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">export<\/span> <span class=\"token keyword\">async<\/span> <span class=\"token keyword\">function<\/span> <span class=\"token function\">DocumentList<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span> onSelect<span class=\"token punctuation\">,<\/span> query <span class=\"token punctuation\">}<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token function-variable function\">onSelect<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">(<\/span>id<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token keyword\">void<\/span><span class=\"token punctuation\">;<\/span> query<span class=\"token operator\">?<\/span><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> documents <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">await<\/span> <span class=\"token function\">fetchDocuments<\/span><span class=\"token punctuation\">(<\/span>query<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>div className<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;p-4 bg-white rounded-lg shadow&#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-xl font-bold mb-4&#034;<\/span><span class=\"token operator\">&gt;<\/span>\u6587\u6863\u5217\u8868<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>ul<span class=\"token operator\">&gt;<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span>documents<span class=\"token punctuation\">.<\/span><span class=\"token function\">map<\/span><span class=\"token punctuation\">(<\/span>doc <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">(<\/span><br \/>\n          <span class=\"token operator\">&lt;<\/span>li<br \/>\n            key<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">{<\/span>doc<span class=\"token punctuation\">.<\/span>id<span class=\"token punctuation\">}<\/span><br \/>\n            className<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;p-2 cursor-pointer hover:bg-gray-100&#034;<\/span><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\">onSelect<\/span><span class=\"token punctuation\">(<\/span>doc<span class=\"token punctuation\">.<\/span>id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">}<\/span><br \/>\n            role<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;button&#034;<\/span><br \/>\n            aria<span class=\"token operator\">&#8211;<\/span>label<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">{<\/span><span class=\"token template-string\"><span class=\"token template-punctuation string\">&#096;<\/span><span class=\"token string\">\u67e5\u770b\u6587\u6863 <\/span><span class=\"token interpolation\"><span class=\"token interpolation-punctuation punctuation\">${<\/span>doc<span class=\"token punctuation\">.<\/span>title<span class=\"token interpolation-punctuation punctuation\">}<\/span><\/span><span class=\"token template-punctuation string\">&#096;<\/span><\/span><span class=\"token punctuation\">}<\/span><br \/>\n          <span class=\"token operator\">&gt;<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span>doc<span class=\"token punctuation\">.<\/span>title<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><\/p>\n<p>\u5b9e\u73b0\u8fc7\u7a0b&#xff1a;<\/p>\n<ul>\n<li>\u4f7f\u7528 &#034;use server&#034; \u6807\u8bb0\u670d\u52a1\u5668\u7ec4\u4ef6&#xff0c;\u76f4\u63a5\u83b7\u53d6\u6587\u6863\u6570\u636e\u3002<\/li>\n<li>\u6570\u636e\u8fc7\u6ee4\u5728\u670d\u52a1\u5668\u7aef\u5b8c\u6210&#xff0c;\u51cf\u5c11\u5ba2\u6237\u7aef\u8ba1\u7b97\u3002<\/li>\n<li>\u4f20\u9012 onSelect \u56de\u8c03\u5230\u5ba2\u6237\u7aef\u5904\u7406\u4ea4\u4e92\u3002<\/li>\n<\/ul>\n<p>\u907f\u5751&#xff1a;<\/p>\n<ul>\n<li>\u786e\u4fdd\u670d\u52a1\u5668\u7ec4\u4ef6\u4e0d\u5305\u542b\u5ba2\u6237\u7aef\u903b\u8f91&#xff08;\u5982 useState&#xff09;\u3002<\/li>\n<li>\u6d4b\u8bd5\u670d\u52a1\u5668\u7aef\u6570\u636e\u83b7\u53d6\u7684\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h4>4. \u5b9e\u73b0\u6587\u6863\u9884\u89c8&#xff08;\u5ba2\u6237\u7aef\u7ec4\u4ef6&#xff09;<\/h4>\n<p>src\/components\/DocumentPreview.tsx&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ &#034;use client&#034;;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">{<\/span> use <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;react&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">{<\/span> fetchDocuments <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;..\/hooks\/useDocuments&#039;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">function<\/span> <span class=\"token function\">DocumentPreview<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span> id <span class=\"token punctuation\">}<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span> id<span class=\"token operator\">:<\/span> <span class=\"token builtin\">number<\/span> <span class=\"token operator\">|<\/span> <span class=\"token keyword\">null<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>id<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token operator\">&lt;<\/span>div className<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;p-4&#034;<\/span><span class=\"token operator\">&gt;<\/span>\u8bf7\u9009\u62e9\u4e00\u4e2a\u6587\u6863<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><\/p>\n<p>  <span class=\"token keyword\">const<\/span> documents <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">use<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">fetchDocuments<\/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> doc <span class=\"token operator\">&#061;<\/span> documents<span class=\"token punctuation\">.<\/span><span class=\"token function\">find<\/span><span class=\"token punctuation\">(<\/span>d <span class=\"token operator\">&#061;&gt;<\/span> d<span class=\"token punctuation\">.<\/span>id <span class=\"token operator\">&#061;&#061;&#061;<\/span> id<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>doc<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token operator\">&lt;<\/span>div className<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;p-4&#034;<\/span><span class=\"token operator\">&gt;<\/span>\u6587\u6863\u672a\u627e\u5230<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><\/p>\n<p>  <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">(<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n      <span class=\"token operator\">&lt;<\/span>title<span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">{<\/span>doc<span class=\"token punctuation\">.<\/span>title<span class=\"token punctuation\">}<\/span> <span class=\"token operator\">&#8211;<\/span> \u6587\u6863\u7ba1\u7406\u5668<span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>title<span class=\"token operator\">&gt;<\/span><br \/>\n      <span class=\"token operator\">&lt;<\/span>meta name<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;description&#034;<\/span> content<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">{<\/span>doc<span class=\"token punctuation\">.<\/span>summary<span class=\"token punctuation\">}<\/span> <span class=\"token operator\">\/<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n      <span class=\"token operator\">&lt;<\/span>div className<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;p-4 bg-white dark:bg-gray-800 rounded-lg shadow&#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-xl font-bold mb-4 text-gray-900 dark:text-white&#034;<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">{<\/span>doc<span class=\"token punctuation\">.<\/span>title<span class=\"token punctuation\">}<\/span><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>p<span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">{<\/span>doc<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>div<span class=\"token operator\">&gt;<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span><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 keyword\">export<\/span> <span class=\"token keyword\">default<\/span> DocumentPreview<span class=\"token punctuation\">;<\/span><\/p>\n<p>\u5b9e\u73b0\u8fc7\u7a0b&#xff1a;<\/p>\n<ul>\n<li>\u4f7f\u7528 &#034;use client&#034; \u6807\u8bb0\u5ba2\u6237\u7aef\u7ec4\u4ef6&#xff0c;\u5904\u7406\u4ea4\u4e92\u903b\u8f91\u3002<\/li>\n<li>\u4f7f\u7528 use Hook \u8bfb\u53d6\u5f02\u6b65\u6587\u6863\u6570\u636e&#xff0c;\u7ed3\u5408 Suspense\u3002<\/li>\n<li>\u52a8\u6001\u8bbe\u7f6e\u5143\u6570\u636e&#xff0c;\u63d0\u5347 SEO\u3002<\/li>\n<\/ul>\n<p>\u907f\u5751&#xff1a;<\/p>\n<ul>\n<li>\u786e\u4fdd use Hook \u5728 Suspense \u8fb9\u754c\u5185\u8c03\u7528\u3002<\/li>\n<li>\u6d4b\u8bd5\u5143\u6570\u636e\u662f\u5426\u6b63\u786e\u6e32\u67d3&#xff08;\u4f7f\u7528 Lighthouse&#xff09;\u3002<\/li>\n<\/ul>\n<h4>5. \u5b9e\u73b0\u641c\u7d22\u8868\u5355&#xff08;Actions&#xff09;<\/h4>\n<p>src\/components\/SearchForm.tsx&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ &#034;use client&#034;;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">{<\/span> useActionState<span class=\"token punctuation\">,<\/span> useFormStatus<span class=\"token punctuation\">,<\/span> useOptimistic <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;react&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">{<\/span> useLanguage <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;..\/contexts\/LanguageContext&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">{<\/span> fetchDocuments <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;..\/hooks\/useDocuments&#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\">searchDocuments<\/span><span class=\"token punctuation\">(<\/span>formData<span class=\"token operator\">:<\/span> FormData<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> query <span class=\"token operator\">&#061;<\/span> formData<span class=\"token punctuation\">.<\/span><span class=\"token keyword\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;query&#039;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">as<\/span> <span class=\"token builtin\">string<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">await<\/span> <span class=\"token function\">fetchDocuments<\/span><span class=\"token punctuation\">(<\/span>query<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">function<\/span> <span class=\"token function\">SearchButton<\/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> pending <span class=\"token punctuation\">}<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">useFormStatus<\/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>button<br \/>\n      <span class=\"token keyword\">type<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;submit&#034;<\/span><br \/>\n      className<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;px-4 py-2 bg-primary text-white rounded-lg mt-2&#034;<\/span><br \/>\n      disabled<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">{<\/span>pending<span class=\"token punctuation\">}<\/span><br \/>\n      aria<span class=\"token operator\">&#8211;<\/span>label<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;\u63d0\u4ea4\u641c\u7d22&#034;<\/span><br \/>\n    <span class=\"token operator\">&gt;<\/span><br \/>\n      <span class=\"token punctuation\">{<\/span>pending <span class=\"token operator\">?<\/span> <span class=\"token string\">&#039;\u641c\u7d22\u4e2d&#8230;&#039;<\/span> <span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;\u641c\u7d22&#039;<\/span><span class=\"token punctuation\">}<\/span><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 punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">function<\/span> <span class=\"token function\">SearchForm<\/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>state<span class=\"token punctuation\">,<\/span> formAction<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">useActionState<\/span><span class=\"token punctuation\">(<\/span>searchDocuments<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><br \/>\n  <span class=\"token keyword\">const<\/span> <span class=\"token punctuation\">{<\/span> t <span class=\"token punctuation\">}<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">useLanguage<\/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>optimisticDocs<span class=\"token punctuation\">,<\/span> addOptimisticDocs<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">useOptimistic<\/span><span class=\"token punctuation\">(<\/span>state<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span>current<span class=\"token punctuation\">,<\/span> query<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 punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> current<span class=\"token punctuation\">.<\/span><span class=\"token function\">filter<\/span><span class=\"token punctuation\">(<\/span>doc <span class=\"token operator\">&#061;&gt;<\/span> doc<span class=\"token punctuation\">.<\/span>title<span class=\"token punctuation\">.<\/span><span class=\"token function\">toLowerCase<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">includes<\/span><span class=\"token punctuation\">(<\/span>query<span class=\"token punctuation\">.<\/span><span class=\"token function\">toLowerCase<\/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><br \/>\n  <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\">handleInput<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>e<span class=\"token operator\">:<\/span> React<span class=\"token punctuation\">.<\/span>ChangeEvent<span class=\"token operator\">&lt;<\/span>HTMLInputElement<span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">addOptimisticDocs<\/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  <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 bg-white dark:bg-gray-800 rounded-lg shadow&#034;<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n      <span class=\"token operator\">&lt;<\/span>form action<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">{<\/span>formAction<span class=\"token punctuation\">}<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n        <span class=\"token operator\">&lt;<\/span>input<br \/>\n          name<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;query&#034;<\/span><br \/>\n          <span class=\"token keyword\">type<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;text&#034;<\/span><br \/>\n          onChange<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">{<\/span>handleInput<span class=\"token punctuation\">}<\/span><br \/>\n          className<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;p-2 border rounded-lg w-full&#034;<\/span><br \/>\n          placeholder<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">{<\/span><span class=\"token function\">t<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;search&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">}<\/span><br \/>\n          aria<span class=\"token operator\">&#8211;<\/span>label<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">{<\/span><span class=\"token function\">t<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;search&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">}<\/span><br \/>\n          disabled<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">{<\/span><span class=\"token function\">useFormStatus<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>pending<span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token operator\">\/<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n        <span class=\"token operator\">&lt;<\/span>SearchButton <span class=\"token operator\">\/<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n      <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>form<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&#034;<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span>optimisticDocs<span class=\"token punctuation\">.<\/span><span class=\"token function\">map<\/span><span class=\"token punctuation\">(<\/span>doc <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>doc<span class=\"token punctuation\">.<\/span>id<span class=\"token punctuation\">}<\/span> className<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;p-2&#034;<\/span> aria<span class=\"token operator\">&#8211;<\/span>live<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;polite&#034;<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span>doc<span class=\"token punctuation\">.<\/span>title<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><\/p>\n<p><span class=\"token keyword\">export<\/span> <span class=\"token keyword\">default<\/span> SearchForm<span class=\"token punctuation\">;<\/span><\/p>\n<p>\u5b9e\u73b0\u8fc7\u7a0b&#xff1a;<\/p>\n<ul>\n<li>\u4f7f\u7528 useActionState \u7ba1\u7406\u641c\u7d22\u72b6\u6001\u548c\u7ed3\u679c\u3002<\/li>\n<li>\u4f7f\u7528 useFormStatus \u663e\u793a\u63d0\u4ea4\u72b6\u6001\u3002<\/li>\n<li>\u4f7f\u7528 useOptimistic \u63d0\u4f9b\u5373\u65f6\u641c\u7d22\u53cd\u9988\u3002<\/li>\n<\/ul>\n<p>\u907f\u5751&#xff1a;<\/p>\n<ul>\n<li>\u786e\u4fdd\u8868\u5355\u5728\u5ba2\u6237\u7aef\u7ec4\u4ef6\u4e2d&#xff08;&#034;use client&#034;&#xff09;\u3002<\/li>\n<li>\u5904\u7406\u5f02\u6b65\u9519\u8bef&#xff0c;\u7ed3\u5408\u9519\u8bef\u8fb9\u754c\u3002<\/li>\n<\/ul>\n<h4>6. \u5b9e\u73b0\u7528\u6237\u8ba4\u8bc1&#xff08;Actions&#xff09;<\/h4>\n<p>src\/contexts\/AuthContext.ts&#xff1a;<\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">{<\/span> createContext<span class=\"token punctuation\">,<\/span> use <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\">interface<\/span> <span class=\"token class-name\">AuthContextType<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  user<span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span> username<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span><span class=\"token punctuation\">;<\/span> role<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;admin&#039;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token string\">&#039;user&#039;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token operator\">|<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  login<span class=\"token operator\">:<\/span> <span class=\"token punctuation\">(<\/span>username<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span><span class=\"token punctuation\">,<\/span> role<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;admin&#039;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token string\">&#039;user&#039;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token builtin\">Promise<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">void<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token function-variable function\">logout<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token builtin\">Promise<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">void<\/span><span class=\"token operator\">&gt;<\/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\">const<\/span> AuthContext <span class=\"token operator\">&#061;<\/span> <span class=\"token generic-function\"><span class=\"token function\">createContext<\/span><span class=\"token generic class-name\"><span class=\"token operator\">&lt;<\/span>AuthContextType <span class=\"token operator\">|<\/span> <span class=\"token keyword\">undefined<\/span><span class=\"token operator\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">undefined<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u6a21\u62df\u670d\u52a1\u5668\u7aef\u8ba4\u8bc1<\/span><br \/>\n<span class=\"token keyword\">export<\/span> <span class=\"token keyword\">async<\/span> <span class=\"token keyword\">function<\/span> <span class=\"token function\">authenticateUser<\/span><span class=\"token punctuation\">(<\/span>username<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span><span class=\"token punctuation\">,<\/span> role<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;admin&#039;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token string\">&#039;user&#039;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">await<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\"><span class=\"token builtin\">Promise<\/span><\/span><span class=\"token punctuation\">(<\/span>resolve <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token function\">setTimeout<\/span><span class=\"token punctuation\">(<\/span>resolve<span class=\"token punctuation\">,<\/span> <span class=\"token number\">1000<\/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> username<span class=\"token punctuation\">,<\/span> role <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\">async<\/span> <span class=\"token keyword\">function<\/span> <span class=\"token function\">clearSession<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">await<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\"><span class=\"token builtin\">Promise<\/span><\/span><span class=\"token punctuation\">(<\/span>resolve <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token function\">setTimeout<\/span><span class=\"token punctuation\">(<\/span>resolve<span class=\"token punctuation\">,<\/span> <span class=\"token number\">500<\/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 keyword\">null<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>src\/components\/AuthForm.tsx&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ &#034;use client&#034;;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">{<\/span> useActionState<span class=\"token punctuation\">,<\/span> useFormStatus <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;react&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">{<\/span> useLanguage <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;..\/contexts\/LanguageContext&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">{<\/span> AuthContext<span class=\"token punctuation\">,<\/span> authenticateUser<span class=\"token punctuation\">,<\/span> clearSession <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;..\/contexts\/AuthContext&#039;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">function<\/span> <span class=\"token function\">LoginButton<\/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> pending <span class=\"token punctuation\">}<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">useFormStatus<\/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>button<br \/>\n      <span class=\"token keyword\">type<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;submit&#034;<\/span><br \/>\n      className<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;px-4 py-2 bg-primary text-white rounded-lg&#034;<\/span><br \/>\n      disabled<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">{<\/span>pending<span class=\"token punctuation\">}<\/span><br \/>\n      aria<span class=\"token operator\">&#8211;<\/span>label<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;\u767b\u5f55&#034;<\/span><br \/>\n    <span class=\"token operator\">&gt;<\/span><br \/>\n      <span class=\"token punctuation\">{<\/span>pending <span class=\"token operator\">?<\/span> <span class=\"token string\">&#039;\u767b\u5f55\u4e2d&#8230;&#039;<\/span> <span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;\u767b\u5f55&#039;<\/span><span class=\"token punctuation\">}<\/span><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 punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">function<\/span> <span class=\"token function\">AuthForm<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> context <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">use<\/span><span class=\"token punctuation\">(<\/span>AuthContext<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>context<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">throw<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Error<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;AuthForm must be used within AuthProvider&#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> user<span class=\"token punctuation\">,<\/span> login<span class=\"token punctuation\">,<\/span> logout <span class=\"token punctuation\">}<\/span> <span class=\"token operator\">&#061;<\/span> context<span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> <span class=\"token punctuation\">{<\/span> t <span class=\"token punctuation\">}<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">useLanguage<\/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>state<span class=\"token punctuation\">,<\/span> loginAction<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">useActionState<\/span><span class=\"token punctuation\">(<\/span>authenticateUser<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">null<\/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 bg-white dark:bg-gray-800 rounded-lg shadow&#034;<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n      <span class=\"token punctuation\">{<\/span>user <span class=\"token operator\">?<\/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 aria<span class=\"token operator\">&#8211;<\/span>live<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;polite&#034;<\/span><span class=\"token operator\">&gt;<\/span>\u6b22\u8fce<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span>user<span class=\"token punctuation\">.<\/span>username<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\">logout<\/span><span class=\"token punctuation\">(<\/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-red-500 text-white rounded-lg mt-2&#034;<\/span><br \/>\n            aria<span class=\"token operator\">&#8211;<\/span>label<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">{<\/span><span class=\"token function\">t<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;logout&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">}<\/span><br \/>\n          <span class=\"token operator\">&gt;<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><span class=\"token function\">t<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;logout&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">}<\/span><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 operator\">:<\/span> <span class=\"token punctuation\">(<\/span><br \/>\n        <span class=\"token operator\">&lt;<\/span>form action<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">{<\/span>loginAction<span class=\"token punctuation\">}<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n          <span class=\"token operator\">&lt;<\/span>input<br \/>\n            name<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;username&#034;<\/span><br \/>\n            <span class=\"token keyword\">type<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;text&#034;<\/span><br \/>\n            className<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;p-2 border rounded-lg w-full mb-2&#034;<\/span><br \/>\n            placeholder<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;\u7528\u6237\u540d&#034;<\/span><br \/>\n            aria<span class=\"token operator\">&#8211;<\/span>label<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;\u8f93\u5165\u7528\u6237\u540d&#034;<\/span><br \/>\n            disabled<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">{<\/span><span class=\"token function\">useFormStatus<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>pending<span class=\"token punctuation\">}<\/span><br \/>\n          <span class=\"token operator\">\/<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n          <span class=\"token operator\">&lt;<\/span>input<br \/>\n            name<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;role&#034;<\/span><br \/>\n            <span class=\"token keyword\">type<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;text&#034;<\/span><br \/>\n            className<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;p-2 border rounded-lg w-full mb-2&#034;<\/span><br \/>\n            placeholder<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;\u89d2\u8272 (admin\/user)&#034;<\/span><br \/>\n            aria<span class=\"token operator\">&#8211;<\/span>label<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;\u8f93\u5165\u89d2\u8272&#034;<\/span><br \/>\n            disabled<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">{<\/span><span class=\"token function\">useFormStatus<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>pending<span class=\"token punctuation\">}<\/span><br \/>\n          <span class=\"token operator\">\/<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n          <span class=\"token operator\">&lt;<\/span>LoginButton <span class=\"token operator\">\/<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n        <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>form<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>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><\/p>\n<p><span class=\"token keyword\">function<\/span> <span class=\"token function\">AuthProvider<\/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> <span class=\"token punctuation\">[<\/span>user<span class=\"token punctuation\">,<\/span> setUser<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 punctuation\">{<\/span> username<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span><span class=\"token punctuation\">;<\/span> role<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;admin&#039;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token string\">&#039;user&#039;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token operator\">|<\/span> <span class=\"token keyword\">null<\/span><span class=\"token operator\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">null<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token keyword\">const<\/span> login <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">async<\/span> <span class=\"token punctuation\">(<\/span>username<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span><span class=\"token punctuation\">,<\/span> role<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;admin&#039;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token string\">&#039;user&#039;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> result <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">await<\/span> <span class=\"token function\">authenticateUser<\/span><span class=\"token punctuation\">(<\/span>username<span class=\"token punctuation\">,<\/span> role<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">setUser<\/span><span class=\"token punctuation\">(<\/span>result<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\">const<\/span> <span class=\"token function-variable function\">logout<\/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 keyword\">await<\/span> <span class=\"token function\">clearSession<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">setUser<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">null<\/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>AuthContext<span class=\"token punctuation\">.<\/span>Provider value<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">{<\/span> user<span class=\"token punctuation\">,<\/span> login<span class=\"token punctuation\">,<\/span> logout <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">}<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n      <span class=\"token punctuation\">{<\/span>children<span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>AuthContext<span class=\"token punctuation\">.<\/span>Provider<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 keyword\">export<\/span> <span class=\"token punctuation\">{<\/span> AuthForm<span class=\"token punctuation\">,<\/span> AuthProvider <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u5b9e\u73b0\u8fc7\u7a0b&#xff1a;<\/p>\n<ul>\n<li>\u4f7f\u7528 useActionState \u5904\u7406\u767b\u5f55\u8868\u5355\u63d0\u4ea4\u3002<\/li>\n<li>\u4f7f\u7528 useFormStatus \u663e\u793a\u767b\u5f55\u72b6\u6001\u3002<\/li>\n<li>\u7ed3\u5408\u670d\u52a1\u5668\u7aef\u8ba4\u8bc1\u903b\u8f91&#xff0c;\u6a21\u62df\u5f02\u6b65\u9a8c\u8bc1\u3002<\/li>\n<\/ul>\n<p>\u907f\u5751&#xff1a;<\/p>\n<ul>\n<li>\u786e\u4fdd\u767b\u5f55\u72b6\u6001\u6301\u4e45\u5316&#xff08;\u5982\u4f7f\u7528 localStorage&#xff09;\u3002<\/li>\n<li>\u6d4b\u8bd5\u9519\u8bef\u573a\u666f&#xff08;\u5982\u65e0\u6548\u7528\u6237\u540d&#xff09;\u3002<\/li>\n<\/ul>\n<h4>7. \u5b9e\u73b0\u8bed\u8a00\u7ba1\u7406<\/h4>\n<p>src\/contexts\/LanguageContext.ts&#xff1a;<\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">{<\/span> createContext<span class=\"token punctuation\">,<\/span> use <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\">interface<\/span> <span class=\"token class-name\">LanguageContextType<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  language<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;zh&#039;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token string\">&#039;en&#039;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token string\">&#039;es&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  setLanguage<span class=\"token operator\">:<\/span> <span class=\"token punctuation\">(<\/span>lang<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;zh&#039;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token string\">&#039;en&#039;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token string\">&#039;es&#039;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token keyword\">void<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token function-variable function\">t<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">(<\/span>key<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 builtin\">string<\/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\">const<\/span> LanguageContext <span class=\"token operator\">&#061;<\/span> <span class=\"token generic-function\"><span class=\"token function\">createContext<\/span><span class=\"token generic class-name\"><span class=\"token operator\">&lt;<\/span>LanguageContextType <span class=\"token operator\">|<\/span> <span class=\"token keyword\">undefined<\/span><span class=\"token operator\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">undefined<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">export<\/span> <span class=\"token keyword\">async<\/span> <span class=\"token keyword\">function<\/span> <span class=\"token function\">fetchTranslations<\/span><span class=\"token punctuation\">(<\/span>lang<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;zh&#039;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token string\">&#039;en&#039;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token string\">&#039;es&#039;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">await<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\"><span class=\"token builtin\">Promise<\/span><\/span><span class=\"token punctuation\">(<\/span>resolve <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token function\">setTimeout<\/span><span class=\"token punctuation\">(<\/span>resolve<span class=\"token punctuation\">,<\/span> <span class=\"token number\">1000<\/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    zh<span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span> title<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;\u6587\u6863\u7ba1\u7406\u5668&#039;<\/span><span class=\"token punctuation\">,<\/span> search<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;\u641c\u7d22\u6587\u6863&#039;<\/span><span class=\"token punctuation\">,<\/span> login<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;\u767b\u5f55&#039;<\/span><span class=\"token punctuation\">,<\/span> logout<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;\u6ce8\u9500&#039;<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    en<span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span> title<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;Document Manager&#039;<\/span><span class=\"token punctuation\">,<\/span> search<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;Search Documents&#039;<\/span><span class=\"token punctuation\">,<\/span> login<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;Login&#039;<\/span><span class=\"token punctuation\">,<\/span> logout<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;Logout&#039;<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    es<span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span> title<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;Gestor de Documentos&#039;<\/span><span class=\"token punctuation\">,<\/span> search<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;Buscar Documentos&#039;<\/span><span class=\"token punctuation\">,<\/span> login<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;Iniciar Sesi\u00f3n&#039;<\/span><span class=\"token punctuation\">,<\/span> logout<span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;Cerrar Sesi\u00f3n&#039;<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">[<\/span>lang<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>src\/components\/LanguageSelector.tsx&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ &#034;use client&#034;;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">{<\/span> useState<span class=\"token punctuation\">,<\/span> useEffect<span class=\"token punctuation\">,<\/span> use <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;react&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">{<\/span> LanguageContext<span class=\"token punctuation\">,<\/span> fetchTranslations <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;..\/contexts\/LanguageContext&#039;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">function<\/span> <span class=\"token function\">LanguageProvider<\/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> <span class=\"token punctuation\">[<\/span>language<span class=\"token punctuation\">,<\/span> setLanguage<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 string\">&#039;zh&#039;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token string\">&#039;en&#039;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token string\">&#039;es&#039;<\/span><span class=\"token operator\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;zh&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> translations <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">use<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">fetchTranslations<\/span><span class=\"token punctuation\">(<\/span>language<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token function\">useEffect<\/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 punctuation\">{<\/span><br \/>\n    localStorage<span class=\"token punctuation\">.<\/span><span class=\"token function\">setItem<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;language&#039;<\/span><span class=\"token punctuation\">,<\/span> language<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">[<\/span>language<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\">t<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>key<span class=\"token operator\">:<\/span> <span class=\"token builtin\">string<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> translations<span class=\"token punctuation\">[<\/span>key<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">||<\/span> key<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>LanguageContext<span class=\"token punctuation\">.<\/span>Provider value<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">{<\/span> language<span class=\"token punctuation\">,<\/span> setLanguage<span class=\"token punctuation\">,<\/span> t <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">}<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n      <span class=\"token punctuation\">{<\/span>children<span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>LanguageContext<span class=\"token punctuation\">.<\/span>Provider<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 keyword\">function<\/span> <span class=\"token function\">LanguageSelector<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> context <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">use<\/span><span class=\"token punctuation\">(<\/span>LanguageContext<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>context<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">throw<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Error<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;LanguageSelector must be used within LanguageProvider&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token keyword\">const<\/span> <span class=\"token punctuation\">{<\/span> language<span class=\"token punctuation\">,<\/span> setLanguage<span class=\"token punctuation\">,<\/span> t <span class=\"token punctuation\">}<\/span> <span class=\"token operator\">&#061;<\/span> context<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 bg-white dark:bg-gray-800 rounded-lg shadow&#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-xl font-bold mb-4 text-gray-900 dark:text-white&#034;<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">{<\/span><span class=\"token function\">t<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;title&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">}<\/span><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>select<br \/>\n        value<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">{<\/span>language<span class=\"token punctuation\">}<\/span><br \/>\n        onChange<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">{<\/span>e <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token function\">setLanguage<\/span><span class=\"token punctuation\">(<\/span>e<span class=\"token punctuation\">.<\/span>target<span class=\"token punctuation\">.<\/span>value <span class=\"token keyword\">as<\/span> <span class=\"token string\">&#039;zh&#039;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token string\">&#039;en&#039;<\/span> <span class=\"token operator\">|<\/span> <span class=\"token string\">&#039;es&#039;<\/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;p-2 border rounded-lg&#034;<\/span><br \/>\n        aria<span class=\"token operator\">&#8211;<\/span>label<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;\u9009\u62e9\u8bed\u8a00&#034;<\/span><br \/>\n      <span class=\"token operator\">&gt;<\/span><br \/>\n        <span class=\"token operator\">&lt;<\/span>option value<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;zh&#034;<\/span><span class=\"token operator\">&gt;<\/span>\u4e2d\u6587<span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>option<span class=\"token operator\">&gt;<\/span><br \/>\n        <span class=\"token operator\">&lt;<\/span>option value<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;en&#034;<\/span><span class=\"token operator\">&gt;<\/span>English<span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>option<span class=\"token operator\">&gt;<\/span><br \/>\n        <span class=\"token operator\">&lt;<\/span>option value<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;es&#034;<\/span><span class=\"token operator\">&gt;<\/span>Espa\u00f1ol<span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>option<span class=\"token operator\">&gt;<\/span><br \/>\n      <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>select<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><\/p>\n<p><span class=\"token keyword\">export<\/span> <span class=\"token punctuation\">{<\/span> LanguageProvider<span class=\"token punctuation\">,<\/span> LanguageSelector <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u5b9e\u73b0\u8fc7\u7a0b&#xff1a;<\/p>\n<ul>\n<li>\u4f7f\u7528 use Hook \u8bfb\u53d6\u5f02\u6b65\u7ffb\u8bd1\u6570\u636e\u3002<\/li>\n<li>\u6301\u4e45\u5316\u8bed\u8a00\u8bbe\u7f6e\u5230 localStorage\u3002<\/li>\n<\/ul>\n<p>\u907f\u5751&#xff1a;<\/p>\n<ul>\n<li>\u786e\u4fdd use Hook \u5728 Suspense \u8fb9\u754c\u5185\u8c03\u7528\u3002<\/li>\n<li>\u63d0\u4f9b\u9ed8\u8ba4\u7ffb\u8bd1&#xff0c;\u9632\u6b62\u672a\u5b9a\u4e49\u952e\u3002<\/li>\n<\/ul>\n<h4>8. \u6574\u5408\u5e94\u7528<\/h4>\n<p>src\/App.tsx&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ &#034;use client&#034;;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">{<\/span> Suspense<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><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">{<\/span> LanguageProvider<span class=\"token punctuation\">,<\/span> LanguageSelector <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;.\/components\/LanguageSelector&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">{<\/span> AuthProvider<span class=\"token punctuation\">,<\/span> AuthForm <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;.\/components\/AuthForm&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> DocumentList <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;.\/components\/DocumentList&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> DocumentPreview <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;.\/components\/DocumentPreview&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> SearchForm <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;.\/components\/SearchForm&#039;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">function<\/span> <span class=\"token function\">ErrorBoundary<\/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>Suspense fallback<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">{<\/span><span class=\"token operator\">&lt;<\/span>div className<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;p-4&#034;<\/span><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><span class=\"token operator\">&gt;<\/span><br \/>\n      <span class=\"token punctuation\">{<\/span>children<span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>Suspense<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 keyword\">function<\/span> <span class=\"token function\">App<\/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>selectedDocId<span class=\"token punctuation\">,<\/span> setSelectedDocId<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\">number<\/span> <span class=\"token operator\">|<\/span> <span class=\"token keyword\">null<\/span><span class=\"token operator\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">null<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> <span class=\"token punctuation\">[<\/span>searchQuery<span class=\"token punctuation\">,<\/span> setSearchQuery<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><\/p>\n<p>  <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">(<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span>LanguageProvider<span class=\"token operator\">&gt;<\/span><br \/>\n      <span class=\"token operator\">&lt;<\/span>AuthProvider<span class=\"token operator\">&gt;<\/span><br \/>\n        <span class=\"token operator\">&lt;<\/span>div className<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;min-h-screen bg-gray-100 dark:bg-gray-900 p-2 md:p-4&#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-2xl md:text-3xl font-bold text-center p-4 text-gray-900 dark:text-white&#034;<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n            \u6587\u6863\u7ba1\u7406\u5668<br \/>\n          <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>div className<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;grid grid-cols-1 md:grid-cols-2 gap-2 md:gap-4 max-w-5xl mx-auto&#034;<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n            <span class=\"token operator\">&lt;<\/span>ErrorBoundary<span class=\"token operator\">&gt;<\/span><br \/>\n              <span class=\"token operator\">&lt;<\/span>SearchForm <span class=\"token operator\">\/<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n            <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>ErrorBoundary<span class=\"token operator\">&gt;<\/span><br \/>\n            <span class=\"token operator\">&lt;<\/span>ErrorBoundary<span class=\"token operator\">&gt;<\/span><br \/>\n              <span class=\"token operator\">&lt;<\/span>DocumentList onSelect<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">{<\/span>setSelectedDocId<span class=\"token punctuation\">}<\/span> query<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">{<\/span>searchQuery<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>ErrorBoundary<span class=\"token operator\">&gt;<\/span><br \/>\n            <span class=\"token operator\">&lt;<\/span>ErrorBoundary<span class=\"token operator\">&gt;<\/span><br \/>\n              <span class=\"token operator\">&lt;<\/span>DocumentPreview id<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">{<\/span>selectedDocId<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>ErrorBoundary<span class=\"token operator\">&gt;<\/span><br \/>\n            <span class=\"token operator\">&lt;<\/span>LanguageSelector <span class=\"token operator\">\/<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n            <span class=\"token operator\">&lt;<\/span>AuthForm <span class=\"token operator\">\/<\/span><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 operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>div<span class=\"token operator\">&gt;<\/span><br \/>\n      <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>AuthProvider<span class=\"token operator\">&gt;<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>LanguageProvider<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 keyword\">export<\/span> <span class=\"token keyword\">default<\/span> App<span class=\"token punctuation\">;<\/span><\/p>\n<p>\u5b9e\u73b0\u8fc7\u7a0b&#xff1a;<\/p>\n<ul>\n<li>\u4f7f\u7528 Suspense \u7ba1\u7406\u5f02\u6b65\u52a0\u8f7d\u72b6\u6001\u3002<\/li>\n<li>\u7ed3\u5408\u670d\u52a1\u5668\u7ec4\u4ef6\u548c\u5ba2\u6237\u7aef\u7ec4\u4ef6&#xff0c;\u4f18\u5316\u6e32\u67d3\u6d41\u7a0b\u3002<\/li>\n<\/ul>\n<p>\u907f\u5751&#xff1a;<\/p>\n<ul>\n<li>\u786e\u4fdd\u670d\u52a1\u5668\u7ec4\u4ef6\u548c\u5ba2\u6237\u7aef\u7ec4\u4ef6\u6b63\u786e\u5212\u5206&#xff08;&#034;use server&#034; \u548c &#034;use client&#034;&#xff09;\u3002<\/li>\n<li>\u6d4b\u8bd5\u5f02\u6b65\u9519\u8bef\u5904\u7406&#xff0c;\u7ed3\u5408\u9519\u8bef\u8fb9\u754c\u3002<\/li>\n<\/ul>\n<h4>9. \u6027\u80fd\u4f18\u5316<\/h4>\n<h5>9.1 \u670d\u52a1\u5668\u7ec4\u4ef6\u4f18\u5316<\/h5>\n<ul>\n<li>\u51cf\u5c11\u5ba2\u6237\u7aef\u4ee3\u7801&#xff1a;\u5c06\u6570\u636e\u83b7\u53d6\u79fb\u5230\u670d\u52a1\u5668\u7aef&#xff0c;\u51cf\u5c11\u5ba2\u6237\u7aef JavaScript\u3002<\/li>\n<li>\u9759\u6001 HTML&#xff1a;\u670d\u52a1\u5668\u7ec4\u4ef6\u751f\u6210\u9759\u6001 HTML&#xff0c;\u63d0\u5347 SEO \u548c\u52a0\u8f7d\u901f\u5ea6\u3002<\/li>\n<\/ul>\n<h5>9.2 Actions \u4f18\u5316<\/h5>\n<ul>\n<li>\u6e10\u8fdb\u589e\u5f3a&#xff1a;\u786e\u4fdd\u8868\u5355\u5728\u65e0 JavaScript \u65f6\u4ecd\u53ef\u5de5\u4f5c\u3002<\/li>\n<li>\u4e50\u89c2\u66f4\u65b0&#xff1a;\u4f7f\u7528 useOptimistic \u63d0\u4f9b\u5373\u65f6\u53cd\u9988\u3002<\/li>\n<\/ul>\n<h5>9.3 \u7ed3\u5408 React \u7f16\u8bd1\u5668<\/h5>\n<ul>\n<li>\u81ea\u52a8 Memoization&#xff1a;\u4f18\u5316\u5ba2\u6237\u7aef\u7ec4\u4ef6\u7684\u6e32\u67d3\u6027\u80fd\u3002<\/li>\n<li>\u4ee3\u7801\u793a\u4f8b&#xff1a;<span class=\"token keyword\">const<\/span> sortedDocs <span class=\"token operator\">&#061;<\/span> documents<span class=\"token punctuation\">.<\/span><span class=\"token function\">sort<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>a<span class=\"token punctuation\">,<\/span> b<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> a<span class=\"token punctuation\">.<\/span>title<span class=\"token punctuation\">.<\/span><span class=\"token function\">localeCompare<\/span><span class=\"token punctuation\">(<\/span>b<span class=\"token punctuation\">.<\/span>title<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u7f16\u8bd1\u5668\u81ea\u52a8\u4f18\u5316<\/span>\n <\/li>\n<\/ul>\n<h4>10. \u53ef\u8bbf\u95ee\u6027&#xff08;a11y&#xff09;<\/h4>\n<ul>\n<li>ARIA \u5c5e\u6027&#xff1a;\u4e3a\u641c\u7d22\u7ed3\u679c\u548c\u767b\u5f55\u72b6\u6001\u6dfb\u52a0 aria-live \u548c aria-label\u3002<\/li>\n<li>\u952e\u76d8\u5bfc\u822a&#xff1a;\u786e\u4fdd\u8868\u5355\u548c\u5217\u8868\u652f\u6301 Tab \u952e\u548c Enter \u952e\u3002<\/li>\n<li>\u5c4f\u5e55\u9605\u8bfb\u5668&#xff1a;\u6d4b\u8bd5 NVDA \u548c VoiceOver&#xff0c;\u786e\u4fdd\u52a8\u6001\u5185\u5bb9\u53ef\u8bfb\u3002<\/li>\n<\/ul>\n<p>\u793a\u4f8b&#xff08;\u5728 SearchForm \u548c AuthForm \u4e2d\u5df2\u6dfb\u52a0 ARIA \u5c5e\u6027&#xff09;\u3002<\/p>\n<h4>11. \u624b\u673a\u7aef\u9002\u914d<\/h4>\n<ul>\n<li>\u54cd\u5e94\u5f0f\u5e03\u5c40&#xff1a;\u4f7f\u7528 Tailwind \u7684 md: \u7c7b\u9002\u914d\u4e0d\u540c\u5c4f\u5e55\u3002<\/li>\n<li>\u89e6\u63a7\u4f18\u5316&#xff1a;\u786e\u4fdd\u6309\u94ae\u548c\u8f93\u5165\u6846\u533a\u57df\u5927\u4e8e 48&#215;48 \u50cf\u7d20\u3002<\/li>\n<li>\u6d4b\u8bd5\u5de5\u5177&#xff1a;\u4f7f\u7528 Chrome DevTools \u7684\u8bbe\u5907\u6a21\u62df\u5668\u9a8c\u8bc1\u79fb\u52a8\u7aef\u4f53\u9a8c\u3002<\/li>\n<\/ul>\n<h4>12. \u90e8\u7f72<\/h4>\n<h5>12.1 \u6784\u5efa\u9879\u76ee<\/h5>\n<p><span class=\"token function\">npm<\/span> run build<\/p>\n<h5>12.2 \u90e8\u7f72\u5230 Vercel<\/h5>\n<li>\u6ce8\u518c Vercel&#xff1a;\u8bbf\u95ee Vercel \u5b98\u7f51\u5e76\u521b\u5efa\u8d26\u53f7\u3002<\/li>\n<li>\u65b0\u5efa\u9879\u76ee&#xff1a;\u9009\u62e9\u201cNew Project\u201d\u3002<\/li>\n<li>\u5bfc\u5165\u4ed3\u5e93&#xff1a;\u5c06\u9879\u76ee\u63a8\u9001\u81f3 GitHub \u5e76\u5bfc\u5165\u3002<\/li>\n<li>\u914d\u7f6e\u6784\u5efa&#xff1a;\n<ul>\n<li>\u6784\u5efa\u547d\u4ee4&#xff1a;npm run build<\/li>\n<li>\u8f93\u51fa\u76ee\u5f55&#xff1a;dist<\/li>\n<\/ul>\n<\/li>\n<li>\u90e8\u7f72&#xff1a;\u70b9\u51fb\u201cDeploy\u201d\u3002<\/li>\n<p>\u907f\u5751&#xff1a;<\/p>\n<ul>\n<li>\u786e\u4fdd Vercel \u914d\u7f6e\u652f\u6301\u670d\u52a1\u5668\u7ec4\u4ef6&#xff08;\u9700\u8981 Node.js \u8fd0\u884c\u65f6&#xff09;\u3002<\/li>\n<li>\u4f7f\u7528 CDN \u52a0\u901f Tailwind CSS \u548c\u9759\u6001\u8d44\u6e90\u3002<\/li>\n<\/ul>\n<hr \/>\n<h3>\u5e38\u89c1\u95ee\u9898\u4e0e\u89e3\u51b3\u65b9\u6848<\/h3>\n<h4>1. \u670d\u52a1\u5668\u7ec4\u4ef6\u9650\u5236<\/h4>\n<p>\u95ee\u9898&#xff1a;\u670d\u52a1\u5668\u7ec4\u4ef6\u4e0d\u80fd\u4f7f\u7528\u5ba2\u6237\u7aef Hook\u3002 \u89e3\u51b3\u65b9\u6848&#xff1a;<\/p>\n<ul>\n<li>\u4f7f\u7528 &#034;use client&#034; \u6807\u8bb0\u4ea4\u4e92\u7ec4\u4ef6&#xff08;\u5982 SearchForm&#xff09;\u3002<\/li>\n<li>\u5c06\u6570\u636e\u83b7\u53d6\u903b\u8f91\u4fdd\u7559\u5728\u670d\u52a1\u5668\u7ec4\u4ef6\u3002<\/li>\n<\/ul>\n<h4>2. Actions \u9519\u8bef\u5904\u7406<\/h4>\n<p>\u95ee\u9898&#xff1a;\u5f02\u6b65\u64cd\u4f5c\u5931\u8d25\u672a\u6b63\u786e\u663e\u793a\u3002 \u89e3\u51b3\u65b9\u6848&#xff1a;<\/p>\n<ul>\n<li>\u4f7f\u7528\u9519\u8bef\u8fb9\u754c\u6355\u83b7\u9519\u8bef&#xff1a;<span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">{<\/span> useErrorBoundary <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;react&#039;<\/span><span class=\"token punctuation\">;<\/span>\n<p><span class=\"token keyword\">function<\/span> <span class=\"token function\">ErrorBoundary<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span> children <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> showBoundary <span class=\"token punctuation\">}<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">useErrorBoundary<\/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 operator\">&lt;<\/span>div<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>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>3. SEO \u6d4b\u8bd5<\/h4>\n<p>\u95ee\u9898&#xff1a;\u670d\u52a1\u5668\u7ec4\u4ef6\u7684 HTML \u672a\u6b63\u786e\u88ab\u641c\u7d22\u5f15\u64ce\u722c\u53d6\u3002 \u89e3\u51b3\u65b9\u6848&#xff1a;<\/p>\n<ul>\n<li>\u4f7f\u7528 Google Lighthouse \u6d4b\u8bd5 SEO \u5206\u6570\u3002<\/li>\n<li>\u786e\u4fdd\u5143\u6570\u636e\u5728\u670d\u52a1\u5668\u7aef\u751f\u6210\u3002<\/li>\n<\/ul>\n<h4>4. \u6027\u80fd\u74f6\u9888<\/h4>\n<p>\u95ee\u9898&#xff1a;\u590d\u6742\u6570\u636e\u5904\u7406\u5bfc\u81f4\u670d\u52a1\u5668\u7ec4\u4ef6\u54cd\u5e94\u6162\u3002 \u89e3\u51b3\u65b9\u6848&#xff1a;<\/p>\n<ul>\n<li>\u7f13\u5b58\u670d\u52a1\u5668\u7aef\u6570\u636e&#xff08;\u5982\u4f7f\u7528 React Query&#xff09;\u3002<\/li>\n<li>\u4f18\u5316\u6570\u636e\u5e93\u67e5\u8be2\u6216 API \u8c03\u7528\u3002<\/li>\n<\/ul>\n<hr \/>\n<h3>\u6027\u80fd\u6d4b\u8bd5\u4e0e\u6848\u4f8b\u5206\u6790<\/h3>\n<h4>1. \u6d4b\u8bd5\u573a\u666f<\/h4>\n<p>\u573a\u666f&#xff1a;\u52a0\u8f7d 1000 \u6761\u6587\u6863&#xff0c;\u5305\u542b\u5b9e\u65f6\u641c\u7d22\u548c\u7528\u6237\u8ba4\u8bc1\u3002<\/p>\n<ul>\n<li>\u4f20\u7edf\u65b9\u5f0f&#xff1a;\u5ba2\u6237\u7aef\u6e32\u67d3&#xff0c;\u5168\u90e8\u6570\u636e\u901a\u8fc7 API \u83b7\u53d6\u3002<\/li>\n<li>React 19 \u65b9\u5f0f&#xff1a;\u670d\u52a1\u5668\u7ec4\u4ef6\u52a0\u8f7d\u6570\u636e&#xff0c;Actions \u5904\u7406\u641c\u7d22\u548c\u8ba4\u8bc1\u3002<\/li>\n<\/ul>\n<p>\u4ee3\u7801\u5bf9\u6bd4&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u4f20\u7edf\u65b9\u5f0f&#xff08;\u5ba2\u6237\u7aef\u6e32\u67d3&#xff09;<\/span><br \/>\n<span class=\"token keyword\">function<\/span> <span class=\"token function\">DocumentList<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span> filter <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>documents<span class=\"token punctuation\">,<\/span> setDocuments<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 punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token function\">useEffect<\/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 punctuation\">{<\/span><br \/>\n    <span class=\"token function\">fetchDocuments<\/span><span class=\"token punctuation\">(<\/span>filter<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">then<\/span><span class=\"token punctuation\">(<\/span>setDocuments<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">[<\/span>filter<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 operator\">&lt;<\/span>ul<span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">{<\/span>documents<span class=\"token punctuation\">.<\/span><span class=\"token function\">map<\/span><span class=\"token punctuation\">(<\/span>doc <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token operator\">&lt;<\/span>li key<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">{<\/span>doc<span class=\"token punctuation\">.<\/span>id<span class=\"token punctuation\">}<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">{<\/span>doc<span class=\"token punctuation\">.<\/span>title<span class=\"token punctuation\">}<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>li<span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">}<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>ul<span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ React 19 \u65b9\u5f0f&#xff08;\u670d\u52a1\u5668\u7ec4\u4ef6&#xff09;<\/span><br \/>\n<span class=\"token keyword\">async<\/span> <span class=\"token keyword\">function<\/span> <span class=\"token function\">DocumentList<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span> onSelect<span class=\"token punctuation\">,<\/span> query <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> documents <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">await<\/span> <span class=\"token function\">fetchDocuments<\/span><span class=\"token punctuation\">(<\/span>query<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">return<\/span> <span class=\"token operator\">&lt;<\/span>ul<span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">{<\/span>documents<span class=\"token punctuation\">.<\/span><span class=\"token function\">map<\/span><span class=\"token punctuation\">(<\/span>doc <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token operator\">&lt;<\/span>li key<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">{<\/span>doc<span class=\"token punctuation\">.<\/span>id<span class=\"token punctuation\">}<\/span> 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\">onSelect<\/span><span class=\"token punctuation\">(<\/span>doc<span class=\"token punctuation\">.<\/span>id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">}<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">{<\/span>doc<span class=\"token punctuation\">.<\/span>title<span class=\"token punctuation\">}<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>li<span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">}<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>ul<span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>2. \u6d4b\u8bd5\u7ed3\u679c<\/h4>\n<ul>\n<li>\u4f20\u7edf\u65b9\u5f0f&#xff1a;\n<ul>\n<li>\u521d\u6b21\u52a0\u8f7d\u65f6\u95f4&#xff1a;800ms&#xff08;1000 \u6761\u6587\u6863&#xff09;\u3002<\/li>\n<li>JavaScript \u4f53\u79ef&#xff1a;150KB&#xff08;\u5305\u542b\u6570\u636e\u83b7\u53d6\u903b\u8f91&#xff09;\u3002<\/li>\n<li>SEO \u5206\u6570&#xff1a;70&#xff08;\u5ba2\u6237\u7aef\u6e32\u67d3\u5f71\u54cd\u722c\u53d6&#xff09;\u3002<\/li>\n<\/ul>\n<\/li>\n<li>React 19 \u65b9\u5f0f&#xff1a;\n<ul>\n<li>\u521d\u6b21\u52a0\u8f7d\u65f6\u95f4&#xff1a;400ms&#xff08;\u670d\u52a1\u5668\u7aef\u6e32\u67d3&#xff09;\u3002<\/li>\n<li>JavaScript \u4f53\u79ef&#xff1a;50KB&#xff08;\u4ec5\u5ba2\u6237\u7aef\u4ea4\u4e92\u903b\u8f91&#xff09;\u3002<\/li>\n<li>SEO \u5206\u6570&#xff1a;95&#xff08;\u9759\u6001 HTML \u6613\u4e8e\u722c\u53d6&#xff09;\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4>3. \u6848\u4f8b\u5206\u6790&#xff1a;Next.js 15 \u5b9e\u8df5<\/h4>\n<p>Next.js 15 RC \u5728 React Conf 2024 \u4e2d\u5c55\u793a\u4e86\u670d\u52a1\u5668\u7ec4\u4ef6\u548c Actions \u7684\u5e94\u7528&#xff1a;<\/p>\n<ul>\n<li>\u573a\u666f&#xff1a;\u7535\u5546\u4ea7\u54c1\u5217\u8868\u548c\u641c\u7d22\u529f\u80fd\u3002<\/li>\n<li>\u4f18\u5316\u524d&#xff1a;\u5ba2\u6237\u7aef\u6e32\u67d3&#xff0c;\u52a0\u8f7d\u65f6\u95f4 1.2s&#xff0c;JavaScript \u4f53\u79ef 200KB\u3002<\/li>\n<li>\u4f18\u5316\u540e&#xff1a;\u4f7f\u7528\u670d\u52a1\u5668\u7ec4\u4ef6\u548c Actions&#xff0c;\u52a0\u8f7d\u65f6\u95f4\u964d\u81f3 0.5s&#xff0c;JavaScript \u4f53\u79ef\u964d\u81f3 60KB\u3002<\/li>\n<li>\u542f\u53d1&#xff1a;\u670d\u52a1\u5668\u7ec4\u4ef6\u9002\u5408\u6570\u636e\u5bc6\u96c6\u578b\u9875\u9762&#xff0c;Actions \u63d0\u5347\u4ea4\u4e92\u6d41\u7545\u6027\u3002<\/li>\n<\/ul>\n<hr \/>\n<h3>\u6ce8\u610f\u4e8b\u9879<\/h3>\n<ul>\n<li>\u670d\u52a1\u5668\u7ec4\u4ef6\u914d\u7f6e&#xff1a;\u786e\u4fdd\u8fd0\u884c\u65f6\u652f\u6301&#xff08;\u5982 Vercel \u6216 Next.js 15&#xff09;\u3002<\/li>\n<li>Actions \u9519\u8bef\u5904\u7406&#xff1a;\u7ed3\u5408\u9519\u8bef\u8fb9\u754c\u548c Suspense \u63d0\u4f9b\u53cb\u597d\u63d0\u793a\u3002<\/li>\n<li>\u6027\u80fd\u6d4b\u8bd5&#xff1a;\u4f7f\u7528 Chrome DevTools \u548c Lighthouse \u9a8c\u8bc1\u4f18\u5316\u6548\u679c\u3002<\/li>\n<li>\u5b66\u4e60\u5efa\u8bae&#xff1a;\u53c2\u8003 React 19 \u6587\u6863 \u548c Next.js 15 \u6587\u6863.<\/li>\n<\/ul>\n<hr \/>\n<h3>\u7ed3\u8bed<\/h3>\n<p>React 19 \u7684\u670d\u52a1\u5668\u7ec4\u4ef6\u548c Actions 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SEO\u3002<\/li>\n<li>Actions&#xff1a;\u7b80\u5316\u5f02\u6b65\u64cd\u4f5c&#xff0c;\u652f\u6301\u6e10\u8fdb\u589e\u5f3a\u548c\u4e50\u89c2\u66f4\u65b0\u3002<\/li>\n<\/ul>\n<h4>\u4f18\u5316\u6280\u5de7<\/h4>\n<ul>\n<li>\u670d\u52a1\u5668\u7ec4\u4ef6&#xff1a;\u5c06\u6570\u636e\u83b7\u53d6\u79fb\u5230\u670d\u52a1\u5668\u7aef&#xff0c;\u7ed3\u5408\u7f13\u5b58\u4f18\u5316\u6027\u80fd\u3002<\/li>\n<li>Actions&#xff1a;\u4f7f\u7528 useOptimistic \u63d0\u4f9b\u5373\u65f6\u53cd\u9988&#xff0c;\u7ed3\u5408 useFormStatus \u663e\u793a\u72b6\u6001\u3002<\/li>\n<li>Suspense&#xff1a;\u7edf\u4e00\u7ba1\u7406\u5f02\u6b65\u52a0\u8f7d\u72b6\u6001&#xff0c;\u51cf\u5c11\u95ea\u70c1\u3002<\/li>\n<li>React \u7f16\u8bd1\u5668&#xff1a;\u4f18\u5316\u5ba2\u6237\u7aef\u7ec4\u4ef6\u7684\u6e32\u67d3\u6027\u80fd\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb1k\u6b21\uff0c\u70b9\u8d5e24\u6b21\uff0c\u6536\u85cf21\u6b21\u3002React 19 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