{"id":92289,"date":"2026-08-10T00:00:49","date_gmt":"2026-08-09T16:00:49","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/92289.html"},"modified":"2026-08-10T00:00:49","modified_gmt":"2026-08-09T16:00:49","slug":"next-js-use-client-%e5%88%b0%e5%ba%95%e5%8a%a0%e5%9c%a8%e5%93%aaserver-client-components-%e8%be%b9%e7%95%8c%e4%b8%8e%e5%b8%b8%e8%a7%81%e6%8a%a5%e9%94%99","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/92289.html","title":{"rendered":"Next.js \u2018use client\u2018 \u5230\u5e95\u52a0\u5728\u54ea:Server\/Client Components \u8fb9\u754c\u4e0e\u5e38\u89c1\u62a5\u9519"},"content":{"rendered":"<h2>Next.js \u2018use client\u2019 \u5230\u5e95\u52a0\u5728\u54ea:Server\/Client Components \u8fb9\u754c\u4e0e\u5e38\u89c1\u62a5\u9519<\/h2>\n<p>\u7528 Next.js App Router \u5199\u9875\u9762,\u4f60\u8fdf\u65e9\u4f1a\u649e\u4e0a\u8fd9\u4e2a\u7ea2\u5c4f:You&#039;re importing a component that needs useState. It only works in a Client Component but none of its parents are marked with &#034;use client&#034;\u3002\u6216\u8005\u53cd\u8fc7\u6765\u2014\u2014\u52a0\u4e86 &#039;use client&#039; \u540e,async \u7ec4\u4ef6\u3001\u76f4\u63a5\u8bfb\u6570\u636e\u5e93\u7684\u4ee3\u7801\u5168\u62a5\u9519\u3002\u8fd9\u7bc7\u628a Server \/ Client Components \u7684\u8fb9\u754c\u8bb2\u900f,\u8ba9\u4f60\u77e5\u9053\u90a3\u53e5 &#039;use client&#039; \u5230\u5e95\u8be5\u5199\u5728\u54ea\u4e00\u884c\u3002<\/p>\n<h3>\u9ed8\u8ba4\u5c31\u662f Server Component<\/h3>\n<p>App Router \u91cc,\u6240\u6709\u7ec4\u4ef6\u9ed8\u8ba4\u662f Server Component,\u5728\u670d\u52a1\u5668\u4e0a\u8fd0\u884c,\u8f93\u51fa HTML \u53d1\u7ed9\u6d4f\u89c8\u5668\u3002\u5b83\u4eec\u7684\u7279\u70b9:<\/p>\n<ul>\n<li>\u53ef\u4ee5\u76f4\u63a5 async\/await,\u76f4\u8fde\u6570\u636e\u5e93\u3001\u8bfb\u6587\u4ef6\u3001\u8c03\u540e\u7aef API\u3002<\/li>\n<li>\u4ee3\u7801\u4e0d\u4f1a\u6253\u5305\u8fdb\u5ba2\u6237\u7aef bundle,\u4f53\u79ef\u66f4\u5c0f\u3001\u5bc6\u94a5\u66f4\u5b89\u5168\u3002<\/li>\n<li>\u4e0d\u80fd\u7528 useState\u3001useEffect\u3001onClick \u7b49\u4efb\u4f55\u4f9d\u8d56\u6d4f\u89c8\u5668\u7684\u4e1c\u897f\u3002<\/li>\n<\/ul>\n<p>\/\/ app\/page.tsx \u2014\u2014 \u9ed8\u8ba4 Server Component,\u4e0d\u7528\u5199\u4efb\u4f55\u6807\u8bb0<br \/>\nasync function Page() {<br \/>\n  \/\/ \u76f4\u63a5 await \u53d6\u6570\u636e,\u8fd9\u6bb5\u4ee3\u7801\u53ea\u5728\u670d\u52a1\u5668\u8dd1<br \/>\n  const posts &#061; await db.post.findMany();<br \/>\n  return (<br \/>\n    &lt;ul&gt;<br \/>\n      {posts.map((p) &#061;&gt; &lt;li key&#061;{p.id}&gt;{p.title}&lt;\/li&gt;)}<br \/>\n    &lt;\/ul&gt;<br \/>\n  );<br \/>\n}<br \/>\nexport default Page;<\/p>\n<h3>\u4ec0\u4e48\u65f6\u5019\u5fc5\u987b\u52a0 \u2018use client\u2019<\/h3>\n<p>\u4e00\u65e6\u7ec4\u4ef6\u9700\u8981\u4ea4\u4e92\u6027\u6216\u6d4f\u89c8\u5668 API,\u5c31\u5f97\u58f0\u660e\u6210 Client Component\u3002\u89e6\u53d1\u6761\u4ef6\u57fa\u672c\u662f\u8fd9\u51e0\u7c7b:<\/p>\n<ul>\n<li>\u7528 useState \/ useReducer \/ useEffect \u7b49 Hook\u3002<\/li>\n<li>\u7ed1\u5b9a\u4e8b\u4ef6:onClick\u3001onChange\u3001onSubmit\u3002<\/li>\n<li>\u7528\u6d4f\u89c8\u5668 API:window\u3001localStorage\u3001document\u3002<\/li>\n<li>\u7528\u4f9d\u8d56\u4ee5\u4e0a\u80fd\u529b\u7684\u7b2c\u4e09\u65b9\u5e93(\u5f88\u591a UI \u5e93\u3001\u52a8\u753b\u5e93)\u3002<\/li>\n<\/ul>\n<p>&#039;use client&#039; \u5199\u5728\u6587\u4ef6\u6700\u9876\u90e8(\u5728\u6240\u6709 import \u4e4b\u4e0a):<\/p>\n<p>&#039;use client&#039;; \/\/ \u5fc5\u987b\u662f\u6587\u4ef6\u7b2c\u4e00\u884c(\u6ce8\u91ca\u9664\u5916)<\/p>\n<p>import { useState } from &#039;react&#039;;<\/p>\n<p>export default function Counter() {<br \/>\n  const [n, setN] &#061; useState(0);<br \/>\n  return &lt;button onClick&#061;{() &#061;&gt; setN(n &#043; 1)}&gt;\u70b9\u4e86 {n} \u6b21&lt;\/button&gt;;<br \/>\n}<\/p>\n<h3>\u5173\u952e\u5fc3\u667a\u6a21\u578b:\u2018use client\u2019 \u6807\u8bb0\u7684\u662f\u300c\u8fb9\u754c\u300d,\u4e0d\u662f\u300c\u5355\u4e2a\u6587\u4ef6\u300d<\/h3>\n<p>\u6700\u5927\u7684\u8bef\u533a\u662f\u4ee5\u4e3a\u8981\u7ed9\u6bcf\u4e2a\u7528 Hook \u7684\u7ec4\u4ef6\u90fd\u52a0 &#039;use client&#039;\u3002\u5b9e\u9645\u4e0a,&#039;use client&#039; \u58f0\u660e\u7684\u662f\u4e00\u4e2a\u8fdb\u5165\u5ba2\u6237\u7aef\u7684\u8fb9\u754c:\u4e00\u65e6\u67d0\u4e2a\u6587\u4ef6\u6807\u4e86\u5b83,\u8fd9\u4e2a\u6587\u4ef6 import \u7684\u6240\u6709\u7ec4\u4ef6\u3001\u4ee5\u53ca\u5b83\u4eec\u7684\u5b50\u7ec4\u4ef6,\u90fd\u81ea\u52a8\u6210\u4e3a Client Component,\u4e0d\u9700\u8981\u6bcf\u4e2a\u90fd\u518d\u5199\u4e00\u904d\u3002<\/p>\n<p>\/\/ app\/dashboard\/Panel.tsx<br \/>\n&#039;use client&#039;;<br \/>\nimport Chart from &#039;.\/Chart&#039;;   \/\/ Chart \u5373\u4f7f\u6ca1\u5199 &#039;use client&#039;,\u4e5f\u662f Client Component<br \/>\nimport Filter from &#039;.\/Filter&#039;; \/\/ \u540c\u7406<\/p>\n<p>export default function Panel() {<br \/>\n  \/\/ &#8230;<br \/>\n}<\/p>\n<p>\u6240\u4ee5\u6b63\u786e\u505a\u6cd5\u4e0d\u662f\u300c\u5230\u5904\u6492 &#039;use client&#039;\u300d,\u800c\u662f\u628a\u8fb9\u754c\u5c3d\u91cf\u5f80\u53f6\u5b50\u8282\u70b9\u63a8:\u8ba9\u9700\u8981\u4ea4\u4e92\u7684\u90a3\u4e00\u5c0f\u5757\u662f Client Component,\u9875\u9762\u7684\u5176\u4f59\u90e8\u5206\u4fdd\u6301 Server Component\u3002\u8fd9\u6837\u6253\u5305\u8fdb\u6d4f\u89c8\u5668\u7684\u4ee3\u7801\u6700\u5c11\u3002<\/p>\n<h3>\u5e38\u89c1\u62a5\u9519\u4e00:\u7236\u7ec4\u4ef6\u6ca1\u6807\u8bb0<\/h3>\n<p>\u62a5\u9519:useState only works in a Client Component but none of its parents are marked with &#034;use client&#034;\u3002<\/p>\n<p>\u539f\u56e0:\u4f60\u5728\u4e00\u4e2a Server Component(\u6216\u5b83\u7684\u5b50\u6811)\u91cc\u7528\u4e86 useState\u3002\u4fee\u590d\u2014\u2014\u7ed9\u8fd9\u4e2a\u7528 Hook \u7684\u7ec4\u4ef6\u6587\u4ef6\u9876\u90e8\u52a0 &#039;use client&#039;\u3002\u6ce8\u610f\u662f\u52a0\u5728\u7528 Hook \u7684\u90a3\u4e2a\u7ec4\u4ef6,\u4e0d\u662f\u65e0\u8111\u52a0\u5230 page.tsx\u3002<\/p>\n<h3>\u5e38\u89c1\u62a5\u9519\u4e8c:Client Component \u91cc\u5199\u4e86 async<\/h3>\n<p>\u62a5\u9519:async\/await is not yet supported in Client Components\u3002<\/p>\n<p>Client Component \u4e0d\u80fd\u662f async \u51fd\u6570,\u4e5f\u4e0d\u80fd\u76f4\u63a5 await \u53d6\u6570\u636e\u3002\u6570\u636e\u8981\u4e48\u5728 Server Component \u91cc\u53d6\u597d\u5f53 props \u4f20\u8fdb\u6765,\u8981\u4e48\u5728 Client Component \u91cc\u7528 useEffect &#043; fetch(\u6216 React Query \u4e4b\u7c7b)\u3002<\/p>\n<p>\/\/ \u2705 Server Component \u53d6\u6570\u636e,\u4f20\u7ed9 Client Component<br \/>\nasync function Page() {<br \/>\n  const user &#061; await getUser();       \/\/ \u670d\u52a1\u5668\u53d6<br \/>\n  return &lt;Profile user&#061;{user} \/&gt;;     \/\/ \u4f20 props<br \/>\n}<\/p>\n<p>\/\/ Profile.tsx<br \/>\n&#039;use client&#039;;<br \/>\nexport default function Profile({ user }) {<br \/>\n  const [editing, setEditing] &#061; useState(false); \/\/ \u4ea4\u4e92\u5728\u8fd9\u5c42<br \/>\n  \/\/ &#8230;<br \/>\n}<\/p>\n<h3>\u5e38\u89c1\u62a5\u9519\u4e09:\u4f20\u4e86\u51fd\u6570\u7ed9 Client Component<\/h3>\n<p>Server Component \u53ef\u4ee5\u7ed9 Client Component \u4f20 props,\u4f46props \u5fc5\u987b\u662f\u53ef\u5e8f\u5217\u5316\u7684(\u80fd JSON \u5316):\u5b57\u7b26\u4e32\u3001\u6570\u5b57\u3001\u6570\u7ec4\u3001\u5bf9\u8c61\u90fd\u884c\u3002\u51fd\u6570\u3001\u7c7b\u5b9e\u4f8b\u3001Date \u4e4b\u5916\u7684\u590d\u6742\u5bf9\u8c61\u4e0d\u884c:<\/p>\n<p>\/\/ \u274c \u62a5\u9519:Functions cannot be passed directly to Client Components<br \/>\nasync function Page() {<br \/>\n  const onSave &#061; () &#061;&gt; { \/* &#8230; *\/ };  \/\/ \u8fd9\u662f\u666e\u901a\u51fd\u6570,\u4e0d\u80fd\u4f20<br \/>\n  return &lt;Editor onSave&#061;{onSave} \/&gt;;<br \/>\n}<\/p>\n<p>\u4f8b\u5916:\u7528 &#039;use server&#039; \u6807\u8bb0\u7684 Server Action \u53ef\u4ee5\u4f5c\u4e3a prop \u4f20\u7ed9 Client Component(\u6846\u67b6\u4f1a\u628a\u5b83\u5e8f\u5217\u5316\u6210\u4e00\u4e2a\u53ef\u8c03\u7528\u7684\u5f15\u7528)\u3002\u666e\u901a\u95ed\u5305\u51fd\u6570\u5219\u4e0d\u884c\u3002<\/p>\n<h3>\u4e00\u4e2a\u5b9e\u7528\u7ec4\u5408:Server \u58f3 &#043; Client \u5c9b<\/h3>\n<p>\u7406\u60f3\u7684\u9875\u9762\u7ed3\u6784\u662f\u2014\u2014\u5916\u5c42 Server Component \u8d1f\u8d23\u53d6\u6570\u636e\u548c\u5e03\u5c40,\u628a\u4ea4\u4e92\u585e\u8fdb\u4e00\u4e2a\u4e2a Client\u300c\u5c9b\u5c7f\u300d:<\/p>\n<p>\/\/ app\/post\/[id]\/page.tsx \u2014\u2014 Server,\u53d6\u6570\u636e<br \/>\nasync function PostPage({ params }) {<br \/>\n  const post &#061; await db.post.find(params.id);<br \/>\n  return (<br \/>\n    &lt;article&gt;<br \/>\n      &lt;h1&gt;{post.title}&lt;\/h1&gt;<br \/>\n      &lt;p&gt;{post.body}&lt;\/p&gt;<br \/>\n      &lt;LikeButton postId&#061;{post.id} initial&#061;{post.likes} \/&gt; {\/* Client \u5c9b *\/}<br \/>\n    &lt;\/article&gt;<br \/>\n  );<br \/>\n}<\/p>\n<p>\/\/ LikeButton.tsx \u2014\u2014 Client,\u53ea\u6709\u8fd9\u4e00\u5c0f\u5757\u8fdb\u6d4f\u89c8\u5668 bundle<br \/>\n(&#039;use client&#039;);<br \/>\nexport default function LikeButton({ postId, initial }) {<br \/>\n  const [likes, setLikes] &#061; useState(initial);<br \/>\n  return &lt;button onClick&#061;{() &#061;&gt; setLikes(likes &#043; 1)}&gt;&#x1f44d; {likes}&lt;\/button&gt;;<br \/>\n}<\/p>\n<p>\u6807\u9898\u3001\u6b63\u6587\u8fd9\u4e9b\u9759\u6001\u5185\u5bb9\u7559\u5728\u670d\u52a1\u5668\u6e32\u67d3,\u53ea\u6709\u70b9\u8d5e\u6309\u94ae\u7684 JS \u88ab\u4e0b\u8f7d\u5230\u6d4f\u89c8\u5668\u3002<\/p>\n<h3>\u5c0f\u7ed3<\/h3>\n<ul>\n<li>App Router \u91cc\u9ed8\u8ba4\u662f Server Component,\u80fd async\u3001\u76f4\u8fde\u6570\u636e\u5e93\u3001\u4e0d\u8fdb\u5ba2\u6237\u7aef bundle\u3002<\/li>\n<li>\u7528\u5230 useState\/\u4e8b\u4ef6\/\u6d4f\u89c8\u5668 API \u65f6\u624d\u52a0 &#039;use client&#039;,\u5199\u5728\u6587\u4ef6\u7b2c\u4e00\u884c\u3002<\/li>\n<li>&#039;use client&#039; 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