{"id":106104,"date":"2024-04-16T17:34:59","date_gmt":"2024-04-16T09:34:59","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/106104.html"},"modified":"2024-04-16T17:35:00","modified_gmt":"2024-04-16T09:35:00","slug":"react-hooks%e6%9c%89%e5%bf%85%e8%a6%81%e5%88%86%e7%a6%bb-ui-%e5%92%8c%e4%b8%9a%e5%8a%a1%e9%80%bb%e8%be%91%e5%90%97-2","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/106104.html","title":{"rendered":"react hooks\u6709\u5fc5\u8981\u5206\u79bb ui \u548c\u4e1a\u52a1\u903b\u8f91\u5417"},"content":{"rendered":"

\"react<\/p>\n

\u5728React Hooks\u7684\u4f7f\u7528\u8fc7\u7a0b\u4e2d\uff0c\u5206\u79bbUI\u548c\u4e1a\u52a1\u903b\u8f91\u662f\u975e\u5e38\u91cd\u8981\u7684\u8bbe\u8ba1\u6a21\u5f0f<\/strong>\u3001\u63d0\u9ad8\u4e86\u4ee3\u7801\u7684\u53ef\u7ef4\u62a4\u6027<\/strong>\u3001\u4fbf\u4e8e\u6d4b\u8bd5<\/strong>\u3001\u589e\u5f3a\u4e86\u7ec4\u4ef6\u7684\u53ef\u8bfb\u6027\u548c\u590d\u7528\u6027<\/strong>\u3002\u901a\u8fc7\u5206\u79bb\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u5728\u4e0d\u5f71\u54cdUI\u5c55\u793a\u7684\u60c5\u51b5\u4e0b\u4fee\u6539\u6216\u6269\u5c55\u4e1a\u52a1\u903b\u8f91\uff0c\u540c\u65f6\u4e5f\u4f7f\u5f97UI\u7ec4\u4ef6\u66f4\u52a0\u7eaf\u7cb9\uff0c\u53ea\u8d1f\u8d23\u6570\u636e\u7684\u5c55\u793a\uff0c\u4e0d\u6d89\u53ca\u6570\u636e\u5904\u7406\u7684\u903b\u8f91\u3002<\/p>\n<\/p>\n

\u5c24\u5176\u503c\u5f97\u4e00\u63d0\u7684\u662f\uff0c\u63d0\u9ad8\u4e86\u4ee3\u7801\u7684\u53ef\u7ef4\u62a4\u6027<\/strong>\u3002\u5f53\u4e1a\u52a1\u903b\u8f91\u4e0eUI\u5206\u79bb\u65f6\uff0c\u4ee3\u7801\u7684\u7ed3\u6784\u53d8\u5f97\u66f4\u52a0\u6e05\u6670\u3002\u5f00\u53d1\u8005\u53ef\u4ee5\u5feb\u901f\u5b9a\u4f4d\u5230\u95ee\u9898\u6240\u5728\uff0c\u65e0\u8bba\u662f\u4e1a\u52a1\u903b\u8f91\u7684\u4fee\u6539\u8fd8\u662fUI\u7684\u8c03\u6574\uff0c\u90fd\u80fd\u591f\u5feb\u901f\u8fdb\u884c\uff0c\u800c\u4e0d\u4f1a\u56e0\u4e3a\u903b\u8f91\u4e0e\u89c6\u56fe\u7684\u7d27\u5bc6\u8026\u5408\u800c\u5bfc\u81f4\u4fee\u6539\u4e00\u5904\uff0c\u591a\u5904\u53d7\u5f71\u54cd\u3002\u8fd9\u79cd\u505a\u6cd5\u5728\u957f\u671f\u7ef4\u62a4\u5927\u578b\u9879\u76ee\u65f6\u5c24\u4e3a\u91cd\u8981\uff0c\u663e\u8457\u63d0\u5347\u4e86\u5de5\u4f5c\u6548\u7387\u548c\u9879\u76ee\u7684\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u4e3a\u4ec0\u4e48\u8981\u5206\u79bbUI\u548c\u4e1a\u52a1\u903b\u8f91<\/h3>\n<\/p>\n

\u5728React\u4e2d\uff0c\u7ec4\u4ef6\u662f\u6784\u5efa\u7528\u6237\u754c\u9762\u7684\u57fa\u77f3\uff0c\u800cHooks\u7684\u5f15\u5165\u5219\u662f\u4e3a\u4e86\u5728\u4e0d\u7f16\u5199\u7c7b\u7684\u60c5\u51b5\u4e0b\u4f7f\u7528\u66f4\u591aReact\u7279\u6027\u3002\u4f46\u968f\u7740\u7ec4\u4ef6\u590d\u6742\u5ea6\u7684\u589e\u52a0\uff0c\u5c06UI\u5c55\u793a\u4e0e\u4e1a\u52a1\u903b\u8f91\u6df7\u5728\u4e00\u8d77\u4f1a\u4f7f\u7ec4\u4ef6\u96be\u4ee5\u7406\u89e3\u548c\u7ef4\u62a4\u3002\u5206\u79bbUI\u548c\u4e1a\u52a1\u903b\u8f91\u53ef\u4ee5\u4f7f\u4ee3\u7801\u66f4\u6e05\u6670\uff0c\u63d0\u5347\u5f00\u53d1\u6548\u7387<\/strong>\u3002<\/p>\n<\/p>\n

\u9996\u5148\uff0c\u5c06\u4e1a\u52a1\u903b\u8f91\u62bd\u79bb\u51fa\u6765\u540e\uff0cUI\u7ec4\u4ef6\u5c06\u53d8\u5f97\u975e\u5e38\u8f7b\u91cf\uff0c\u53ea\u5173\u6ce8\u4e8e\u5982\u4f55\u5c55\u793a\u6570\u636e\u3002\u8fd9\u6837\u4e0d\u4ec5\u4f7f\u5f97\u7ec4\u4ef6\u66f4\u5bb9\u6613\u88ab\u7406\u89e3\u548c\u91cd\u7528\uff0c\u4e5f\u5927\u5927\u964d\u4f4e\u4e86\u7ec4\u4ef6\u6bcf\u6b21\u66f4\u65b0\u7684\u590d\u6742\u5ea6\uff0c\u63d0\u5347\u4e86\u6027\u80fd\u3002<\/p>\n<\/p>\n

\u5176\u6b21\uff0c\u5f53\u4e1a\u52a1\u903b\u8f91\u4e0eUI\u89e3\u8026\u540e\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u72ec\u7acb\u66f4\u65b0\u548c\u6d4b\u8bd5\u4e1a\u52a1\u903b\u8f91\u90e8\u5206\uff0c\u800c\u65e0\u9700\u62c5\u5fc3\u5f71\u54cd\u5230UI\u7684\u5c55\u793a\u3002\u8fd9\u5bf9\u4e8e\u8fed\u4ee3\u5feb\u901f\u7684\u9879\u76ee\u5c24\u4e3a\u91cd\u8981\uff0c\u80fd\u591f\u786e\u4fdd\u9879\u76ee\u7684\u8d28\u91cf\u548c\u8fdb\u5ea6\u3002<\/p>\n<\/p>\n

\u4e8c\u3001\u5982\u4f55\u5728React Hooks\u4e2d\u5206\u79bbUI\u548c\u4e1a\u52a1\u903b\u8f91<\/h3>\n<\/p>\n

\u5728React Hooks\u4e2d\u5206\u79bbUI\u548c\u4e1a\u52a1\u903b\u8f91\u901a\u5e38\u6709\u4ee5\u4e0b\u51e0\u79cd\u65b9\u5f0f\uff1a<\/p>\n<\/p>\n

1. \u81ea\u5b9a\u4e49Hook<\/h4>\n<\/p>\n

\u81ea\u5b9a\u4e49Hook\u662f\u5206\u79bb\u4e1a\u52a1\u903b\u8f91\u7684\u4e00\u79cd\u6709\u6548\u65b9\u5f0f\uff0c\u5b83\u5141\u8bb8\u4f60\u5c06\u7ec4\u4ef6\u903b\u8f91\u63d0\u53d6\u5230\u53ef\u91cd\u7528\u7684\u51fd\u6570\u4e2d\u3002\u901a\u8fc7\u81ea\u5b9a\u4e49Hook\uff0c\u53ef\u4ee5\u5c06\u6570\u636e\u83b7\u53d6\u3001\u8ba2\u9605\u6216\u5176\u4ed6\u590d\u6742\u903b\u8f91\u4ece\u7ec4\u4ef6\u5185\u90e8\u63d0\u53d6\u51fa\u6765\uff0c\u8ba9\u7ec4\u4ef6\u4e13\u6ce8\u4e8e\u6570\u636e\u7684\u5c55\u793a\u3002<\/p>\n<\/p>\n

2. \u9ad8\u9636\u7ec4\u4ef6\uff08HOC\uff09<\/h4>\n<\/p>\n

\u9ad8\u9636\u7ec4\u4ef6\u662f\u53e6\u4e00\u79cd\u5206\u79bb\u903b\u8f91\u7684\u65b9\u6cd5\uff0c\u5b83\u662f\u53c2\u6570\u4e3a\u7ec4\u4ef6\uff0c\u8fd4\u56de\u503c\u4e3a\u65b0\u7ec4\u4ef6\u7684\u51fd\u6570\u3002HOC\u53ef\u4ee5\u5c06\u4e1a\u52a1\u903b\u8f91\u5c01\u88c5\u5728\u5185\u90e8\uff0c\u53ea\u5c06\u5fc5\u8981\u7684props\u4f20\u9012\u7ed9\u88ab\u5305\u88c5\u7684UI\u7ec4\u4ef6\uff0c\u4ece\u800c\u5b9e\u73b0\u903b\u8f91\u4e0e\u89c6\u56fe\u7684\u5206\u79bb\u3002<\/p>\n<\/p>\n

3. Render Props<\/h4>\n<\/p>\n

Render Props\u6a21\u5f0f\u5141\u8bb8\u901a\u8fc7\u4e00\u4e2a\u51fd\u6570\u5c06\u7ec4\u4ef6\u7684\u72b6\u6001\u6216\u903b\u8f91\u4f20\u9012\u7ed9\u5b50\u7ec4\u4ef6\u3002\u8fd9\u79cd\u65b9\u5f0f\u540c\u6837\u9002\u7528\u4e8e\u903b\u8f91\u548cUI\u7684\u5206\u79bb\uff0c\u5728\u4e00\u4e9b\u573a\u666f\u4e0b\u6bd4HOC\u66f4\u52a0\u7075\u6d3b\u3002<\/p>\n<\/p>\n

\u4e09\u3001\u5b9e\u8df5\u6848\u4f8b\u5206\u6790<\/h3>\n<\/p>\n

\u4e3a\u4e86\u5177\u4f53\u8bf4\u660e\u5982\u4f55\u5728\u9879\u76ee\u4e2d\u5e94\u7528UI\u4e0e\u4e1a\u52a1\u903b\u8f91\u7684\u5206\u79bb\uff0c\u6211\u4eec\u53ef\u4ee5\u8003\u8651\u4e00\u4e2a\u7b80\u5355\u7684\u7528\u6237\u4fe1\u606f\u5c55\u793a\u7ec4\u4ef6\uff1a<\/p>\n<\/p>\n

import { useState, useEffect } from 'react';<\/p>\n
function useUserInfo(userId) {<\/p>\n
  const [userInfo, setUserInfo] = useState(null);<\/p>\n
  useEffect(() => {<\/p>\n
    fetchUserInfo(userId).then(data => {<\/p>\n
      setUserInfo(data);<\/p>\n
    });<\/p>\n
  }, [userId]);<\/p>\n
  return userInfo;<\/p>\n
}<\/p>\n
function UserInfo({ userId }) {<\/p>\n
  const userInfo = useUserInfo(userId);<\/p>\n
  if (!userInfo) {<\/p>\n
    return <div>Loading...<\/div>;<\/p>\n
  }<\/p>\n
  return (<\/p>\n
    <div><\/p>\n
      <h1>{userInfo.name}<\/h1><\/p>\n
      <p>EmAI<\/a>l: {userInfo.email}<\/p><\/p>\n
    <\/div><\/p>\n
  );<\/p>\n
}<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u8ff0\u4f8b\u5b50\u4e2d\uff0c\u901a\u8fc7\u81ea\u5b9a\u4e49Hook useUserInfo<\/code> \u5c06\u7528\u6237\u4fe1\u606f\u7684\u83b7\u53d6\u903b\u8f91\u4eceUserInfo<\/code>\u7ec4\u4ef6\u4e2d\u5206\u79bb\u51fa\u6765\u3002\u8fd9\u6837\uff0cUserInfo<\/code>\u7ec4\u4ef6\u5c31\u53ef\u4ee5\u4e13\u6ce8\u4e8e\u5982\u4f55\u5c55\u793a\u7528\u6237\u4fe1\u606f\uff0c\u800c\u6570\u636e\u83b7\u53d6\u903b\u8f91\u5219\u88ab\u5c01\u88c5\u5728\u81ea\u5b9a\u4e49Hook\u4e2d\uff0c\u63d0\u9ad8\u4e86\u4ee3\u7801\u7684\u53ef\u7ef4\u62a4\u6027\u548c\u590d\u7528\u6027\u3002<\/p>\n<\/p>\n
\u56db\u3001\u7ed3\u8bba<\/h3>\n<\/p>\n
\u5728React Hooks\u7684\u5f00\u53d1\u5b9e\u8df5\u4e2d\uff0c\u5206\u79bbUI\u548c\u4e1a\u52a1\u903b\u8f91\u4e0d\u4ec5\u662f\u4e00\u79cd\u826f\u597d\u7684\u7f16\u7a0b\u4e60\u60ef<\/strong>\uff0c\u66f4\u662f\u63d0\u9ad8\u4ee3\u7801\u8d28\u91cf\u3001\u52a0\u5feb\u5f00\u53d1\u901f\u5ea6\u4e0e\u4fc3\u8fdb\u56e2\u961f\u534f\u4f5c\u7684\u6709\u6548\u65b9\u5f0f\u3002\u901a\u8fc7\u4ee5\u4e0a\u7684\u8ba8\u8bba\u548c\u6848\u4f8b\u5206\u6790\uff0c\u6211\u4eec\u770b\u5230\u4e86\u5206\u79bbUI\u548c\u4e1a\u52a1\u903b\u8f91\u7684\u91cd\u8981\u6027\u53ca\u5176\u5728\u5b9e\u9645\u9879\u76ee\u4e2d\u7684\u5e94\u7528\u3002\u867d\u7136\u8fd9\u79cd\u6a21\u5f0f\u53ef\u80fd\u9700\u8981\u5728\u9879\u76ee\u521d\u671f\u6295\u5165\u66f4\u591a\u7684\u8bbe\u8ba1\u548c\u601d\u8003\uff0c\u4f46\u957f\u8fdc\u6765\u770b\uff0c\u5b83\u80fd\u663e\u8457\u63d0\u5347\u5e94\u7528\u7684\u53ef\u7ef4\u62a4\u6027\u548c\u6269\u5c55\u6027\uff0c\u662f\u503c\u5f97\u63a8\u8350\u7684\u505a\u6cd5\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
\u4e3a\u4ec0\u4e48\u5728React Hooks\u4e2d\u6709\u5fc5\u8981\u5206\u79bbUI\u548c\u4e1a\u52a1\u903b\u8f91\uff1f<\/strong><\/p>\n
\u5728React Hooks\u4e2d\u5206\u79bbUI\u548c\u4e1a\u52a1\u903b\u8f91\u7684\u76ee\u7684\u662f\u4e3a\u4e86\u66f4\u597d\u7684\u7ec4\u7ec7\u548c\u7ba1\u7406\u4ee3\u7801\u3002\u901a\u8fc7\u5c06UI\u548c\u4e1a\u52a1\u903b\u8f91\u5206\u5f00\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7ec4\u4ef6\u66f4\u6e05\u6670\u53ef\u8bfb\uff0c\u6613\u4e8e\u7406\u89e3\u548c\u7ef4\u62a4\u3002\u53e6\u5916\uff0c\u8fd9\u79cd\u5206\u79bb\u8fd8\u6709\u52a9\u4e8e\u5b9e\u73b0\u4ee3\u7801\u7684\u53ef\u590d\u7528\u6027\u548c\u53ef\u6d4b\u8bd5\u6027\u3002<\/p>\n
\u5982\u4f55\u5206\u79bbUI\u548c\u4e1a\u52a1\u903b\u8f91\u5728React Hooks\u4e2d\u5b9e\u73b0\uff1f<\/strong><\/p>\n
\u5728React Hooks\u4e2d\u53ef\u4ee5\u4f7f\u7528\u81ea\u5b9a\u4e49Hooks\u6765\u5b9e\u73b0UI\u548c\u4e1a\u52a1\u903b\u8f91\u7684\u5206\u79bb\u3002\u81ea\u5b9a\u4e49Hooks\u662f\u4e00\u79cd\u5c06\u76f8\u5173\u7684Hook\u903b\u8f91\u5c01\u88c5\u5728\u4e00\u8d77\u7684\u65b9\u5f0f\uff0c\u53ef\u4ee5\u88ab\u5176\u4ed6\u7ec4\u4ef6\u91cd\u590d\u4f7f\u7528\u3002<\/p>\n
\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a"useDataFetching"\u7684\u81ea\u5b9a\u4e49Hook\uff0c\u5c06\u6570\u636e\u83b7\u53d6\u548c\u5904\u7406\u7684\u903b\u8f91\u5c01\u88c5\u5728\u5176\u4e2d\u3002\u7136\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u9700\u8981\u4f7f\u7528\u8be5\u529f\u80fd\u7684\u7ec4\u4ef6\u4e2d\u8c03\u7528"useDataFetching"\uff0c\u5e76\u5c06\u8fd4\u56de\u7684\u6570\u636e\u548c\u76f8\u5173\u51fd\u6570\u4f20\u9012\u7ed9UI\u7ec4\u4ef6\u8fdb\u884c\u663e\u793a\u3002<\/p>\n
\u5206\u79bbUI\u548c\u4e1a\u52a1\u903b\u8f91\u5728React Hooks\u4e2d\u7684\u4f18\u52bf\u662f\u4ec0\u4e48\uff1f<\/strong><\/p>\n
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