{"id":3765,"date":"2024-11-10T15:44:16","date_gmt":"2024-11-10T07:44:16","guid":{"rendered":"https:\/\/fwq.ai\/blog\/3765\/"},"modified":"2024-11-10T15:44:16","modified_gmt":"2024-11-10T07:44:16","slug":"%e7%ab%a0%e8%8a%82%e3%80%8a%e9%92%a9%e5%ad%90%e5%9c%a3%e4%ba%ba%e5%92%8c%e6%95%8f%e6%8d%b7%e7%9a%84%e7%a4%bc%e7%89%a9%e3%80%8b","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/3765\/","title":{"rendered":"\u7ae0\u8282\u300a\u94a9\u5b50\u5723\u4eba\u548c\u654f\u6377\u7684\u793c\u7269\u300b"},"content":{"rendered":"

\"\u7ae0\u8282\u300a\u94a9\u5b50\u5723\u4eba\u548c\u654f\u6377\u7684\u793c\u7269\u300b\u63d2\u56fe\"<\/p>\n

\u7b2c\u4e09\u96c6\uff1a\u94a9\u5b50\u5723\u4eba\u548c\u654f\u6377\u7684\u793c\u7269<\/strong> <\/h3>\n
\n

\u592a\u9633\u5728\u6cd5\u5178\u661f\u7403\u4e0a\u7a7a\u5347\u8d77\uff0c\u5730\u8868\u6c90\u6d74\u5728\u53cd\u5e94\u5143\u7d20\u80fd\u91cf\u7684\u5149\u8292\u4e2d\u3002\u963f\u6797\u7ad9\u5728\u90a3\u5ea7\u9ad8\u5927\u96c4\u4f1f\u7684\u5efa\u7b51\u524d\uff0c\u8fd9\u5ea7\u5efa\u7b51\u88ab\u79f0\u4e3a\u80e1\u514b\u65af\u5b9e\u9a8c\u5ba4<\/strong>\u2014\u2014\u8fd9\u91cc\u662f\u953b\u9020\u548c\u5b8c\u5584\u654f\u6377\u6027\u548c\u53cd\u5e94\u80fd\u529b\u7684\u6700\u4f73\u5de5\u5177\u7684\u5730\u65b9\u3002\u4eca\u5929\uff0c\u5979\u51c6\u5907\u53bb\u89c1\u94a9\u5723<\/strong>\u3002<\/p>\n

\u201c\u51c6\u5907\u597d\u4e86\u5417\uff0c\u5b66\u5458\uff1f\u201d stateflow \u4e2d\u5c09<\/strong>\uff0c\u5e76\u5411 arin \u70b9\u4e86\u70b9\u5934\u8868\u793a\u9f13\u52b1\u3002\u4ed6\u628a\u5979\u5e26\u5230\u4e86\u8fd9\u4e00\u6b65\uff0c\u4f46\u73b0\u5728\u662f\u5979\u8fdb\u5165\u4e0b\u4e00\u9636\u6bb5\u8bad\u7ec3\u7684\u65f6\u5019\u4e86\u2014\u2014\u5b66\u4e60\u8fd0\u7528\u4e13\u4e1a\u6280\u80fd\uff0c\u4f7f\u5979\u6210\u4e3a\u771f\u6b63\u7684\u6cd5\u5178\u634d\u536b\u8005\u3002<\/p>\n

arin\u6df1\u5438\u4e86\u4e00\u53e3\u6c14\uff0c\u8d70\u8fdb\u4e86\u5b9e\u9a8c\u5ba4\u3002<\/p>\n

\n

\u201c\u9047\u89c1\u94a9\u5723\u201d<\/strong><\/p>\n

\u8fd9\u4e2a\u5b9e\u9a8c\u5ba4\u662f\u4e00\u4e2a\u4ee4\u4eba\u5370\u8c61\u6df1\u523b\u7684\u5730\u65b9\u2014\u2014\u6bcf\u4e2a\u89d2\u843d\u90fd\u5145\u6ee1\u4e86\u7531 reactium \u9a71\u52a8\u7684\u6280\u672f\u7684\u53d1\u5149\u9635\u5217\uff0c\u5145\u6ee1\u4e86\u6f5c\u529b\u3002\u4e2d\u5fc3\uff0c\u88ab\u5168\u606f\u56fe\u5305\u56f4\u7740\uff0c\u7ad9\u7740\u80e1\u514b\u5723\u8005<\/strong>\u2014\u2014\u4e00\u4e2a\u5e74\u8001\u7684\u4eba\u7269\uff0c\u4ed6\u7684\u5b58\u5728\u770b\u8d77\u6765\u65e2\u5e73\u9759\u53c8\u5145\u6ee1\u7535\uff0c\u4eff\u4f5b\u4ed6\u4eec\u4f53\u73b0\u4e86\u6d41\u7ecf\u5b9e\u9a8c\u5ba4\u7684\u80fd\u91cf\u3002<\/p>\n

\u201c\u554a\uff0c\u65b0\u5175\uff0c\u201d\u5723\u4eba\u8bf4\u9053\uff0c\u4ed6\u4eec\u7684\u773c\u775b\u95ea\u95ea\u53d1\u5149\u3002 \u201c\u9760\u8fd1\u70b9\uff0c\u5b66\u5458\u963f\u6797\u3002\u4eca\u5929\uff0c\u6211\u4eec\u4ece\u57fa\u7840\u77e5\u8bc6\u5f00\u59cb\u2014\u2014\u8ba9\u60a8\u80fd\u591f\u6839\u636e\u60a8\u7684\u65c5\u7a0b\u6240\u9700\u5feb\u901f\u53cd\u5e94\u5e76\u6709\u6548\u7ba1\u7406\u80fd\u6e90\u7684\u80fd\u529b\u3002\u201d<\/p>\n

\n

\u201c\u5b66\u4e60\u57fa\u7840\u77e5\u8bc6\uff1ausestate \u548c useeffect\u201d<\/strong><\/p>\n

\u5723\u4eba\u9012\u7ed9\u963f\u6797\u4e00\u5c0f\u5757\u53cd\u5e94\u5143\u7d20\u6676\u4f53\uff0c\u5f53\u5979\u63e1\u4f4f\u5b83\u65f6\uff0c\u5b83\u4f3c\u4e4e\u5728\u8109\u52a8\u548c\u53d8\u5316\u3002 \u201c\u5b66\u5458\uff0c\u8fd9\u4ee3\u8868\u4e86\u50a8\u5b58\u548c\u63a7\u5236\u80fd\u91cf\u7684\u80fd\u529b\u3002\u8fd9\u5c31\u662f\u6240\u8c13\u7684 usestate\u2014\u2014\u7ba1\u7406\u4f60\u4f53\u5185\u5c40\u90e8\u80fd\u91cf\u7684\u672c\u8d28\u3002\u201d<\/p>\n

arin \u89c2\u770b\u5723\u4eba\u6f14\u793a\uff1a<\/p>\n

    \n
  • usestate<\/strong>\uff1a\u521b\u5efa\u53ef\u53d8\u72b6\u6001\u7684\u57fa\u672c hook\u3002\u8fd9\u662f\u5173\u4e8e\u62e5\u6709\u4e00\u79cd\u53ef\u4ee5\u6839\u636e\u9700\u8981\u6539\u53d8\u3001\u8fdb\u5316\u548c\u54cd\u5e94\u7684\u80fd\u91cf\u3002 <\/li>\n<\/ul>\n
    const [energy, setenergy] = usestate(\"calm\");\n<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u201c\u968f\u7740\u73af\u5883\u7684\u53d8\u5316\uff0c\u8fd9\u79cd\u80fd\u91cf\u53ef\u4ee5\u968f\u65f6\u53d1\u751f\u53d8\u5316\uff0c\u201d\u5723\u4eba\u89e3\u91ca\u9053\u3002 \u201c\u5c06\u5176\u89c6\u4e3a\u60a8\u7684\u5185\u90e8\u50a8\u5907\u2014\u2014\u53ea\u6709\u60a8\u53ef\u4ee5\u4f7f\u7528\uff0c\u4f46\u975e\u5e38\u91cd\u8981\u3002\u201d<\/p>\n
    \u5723\u4eba\u7136\u540e\u5411\u4e00\u7cfb\u5217\u4f20\u611f\u5668\u505a\u4e86\u4e2a\u624b\u52bf\uff0c\u6307\u7740\u5b83\u4eec\u95ea\u70c1\u7684\u706f\u5149\u3002 \u201c\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u6709\u80fd\u529b\u503e\u542c\u5468\u56f4\u4e16\u754c\u7684\u58f0\u97f3\u3002\u6211\u4eec\u79f0\u4e4b\u4e3a useeffect\u3002\u201d<\/p>\n
      \n
    •  useeffect<\/strong>\uff1a\u5c06 codex \u7684\u7ec4\u4ef6\u8fde\u63a5\u5230\u5916\u90e8\u6e90\uff0c\u5c31\u50cf\u54cd\u5e94\u65b0\u7684\u5a01\u80c1\u6216\u60c5\u51b5\u4e00\u6837\u3002 <\/li>\n<\/ul>\n
      useeffect(() => {\n  \/\/ imagine the energy changes in response to something outside\n  console.log(\"monitoring changes in external conditions...\");\n}, []);\n<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \u5723\u4eba\u8d5e\u540c\u5730\u70b9\u70b9\u5934\u3002 \u201c\u5bf9\u53d8\u5316\u505a\u51fa\u53cd\u5e94\u65e2\u9700\u8981\u503e\u542c\uff0c\u4e5f\u9700\u8981\u91c7\u53d6\u884c\u52a8\u3002 useeffect \u53ef\u4ee5\u8ba9\u4f60\u4e00\u4e3e\u4e24\u5f97\u2014\u2014\u89c2\u5bdf\u548c\u9002\u5e94\u3002\u201d<\/p>\n
      \n
      \u201c\u62e5\u62b1\u73af\u5883\uff1a\u907f\u514d\u87ba\u65cb\u94bb\u63a2\u7684\u8d1f\u62c5\u201d<\/strong><\/p>\n
      arin \u4e13\u5fc3\u8046\u542c\uff0c\u4e86\u89e3\u5e94\u7528\u7a0b\u5e8f\u3002\u4f46\u968f\u7740\u5723\u4eba\u6325\u624b\uff0c\u4e00\u7cfb\u5217\u76f8\u8fde\u7684\u8282\u70b9\u51fa\u73b0\u4e86\uff0c\u963f\u6797\u6ce8\u610f\u5230\u5b83\u4eec\u662f\u591a\u4e48\u590d\u6742\u548c\u7ea0\u7ed3\u3002<\/p>\n
      \u201c\u80fd\u91cf\u4ece\u4e00\u4e2a\u8282\u70b9\u4f20\u9012\u5230\u53e6\u4e00\u4e2a\u8282\u70b9\u4f1a\u5931\u53bb\u529b\u91cf\uff0c\u201d\u5723\u4eba\u4e25\u8083\u5730\u8bf4\u3002 \u201c\u5c06\u80fd\u91cf\u4f20\u9012\u5f97\u592a\u8fdc\u4f1a\u524a\u5f31\u6d41\u52a8\u3002\u4e3a\u4e86\u7ed5\u8fc7\u8fd9\u4e2a\u95ee\u9898\uff0c\u6211\u4eec\u6709\u4e0a\u4e0b\u6587<\/strong>\u2014\u2014\u4e00\u79cd\u521b\u5efa\u76f4\u63a5\u80fd\u91cf\u901a\u9053\u5230\u6700\u9700\u8981\u7684\u5730\u65b9\u7684\u65b9\u6cd5\u3002\u201d<\/p>\n
      \u8d24\u8005\u5f20\u5f00\u53cc\u624b\uff0c\u963f\u6797\u770b\u7740\u80fd\u91cf\u4ece\u4e00\u4e2a\u6838\u5fc3\u76f4\u63a5\u6d41\u5411\u591a\u4e2a\u8282\u70b9\uff0c\u6bcf\u4e2a\u8282\u70b9\u90fd\u83b7\u5f97\u4e86\u529b\u91cf\uff0c\u6ca1\u6709\u7ecf\u8fc7\u4e0d\u5fc5\u8981\u7684\u4e2d\u95f4\uff1a<\/p>\n
      const energycontext = createcontext();\n\nfunction labcomponent() {\n  const [energy, setenergy] = usestate(\"steady\");\n  return (\n    <energycontext.provider value={{ energy, setenergy }}>\n      <subcomponent \/>\n    <\/energycontext.provider>\n  );\n}\n\nfunction subcomponent() {\n  const { energy } = usecontext(energycontext);\n  return <div>current energy: {energy}<\/div>;\n}\n<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \u201c\u76f4\u63a5\u80fd\u91cf\u6d41\uff0c\u201d\u5723\u4eba\u5f3a\u8c03\u3002 \u201c\u660e\u667a\u7684\u5b66\u5458\u4f1a\u4f7f\u7528\u8bed\u5883<\/strong>\u6765\u786e\u4fdd\u987a\u7545\u7684\u8fde\u63a5\u800c\u4e0d\u524a\u5f31\u4ed6\u4eec\u7684\u529b\u91cf\u3002\u5f53\u60a8\u9762\u4e34\u5fc5\u987b\u5728\u591a\u4e2a\u7cfb\u7edf\u4e4b\u95f4\u5171\u4eab\u80fd\u91cf\u7684\u60c5\u51b5\u65f6\uff0c\u8bf7\u8bb0\u4f4f\u8fd9\u4e00\u70b9\u3002\u201d<\/p>\n
      \n
      \u201cusereducer \u7684\u5a01\u529b\uff1a\u5904\u7406\u590d\u6742\u72b6\u6001\u201d<\/strong><\/p>\n
      \u5723\u4eba\u5e26\u9886\u963f\u6797\u6df1\u5165\u5b9e\u9a8c\u5ba4\uff0c\u90a3\u91cc\u6709\u4e00\u5f20\u5de8\u5927\u7684\u5168\u606f\u56fe\u663e\u793a\u4e86\u51e0\u6761\u80fd\u91cf\u6d41\u4ea4\u7ec7\u5728\u4e00\u8d77\uff0c\u6bcf\u6761\u80fd\u91cf\u6d41\u90fd\u4ee3\u8868\u7740\u57fa\u4e8e\u67d0\u4e9b\u52a8\u4f5c\u7684\u4e0d\u540c\u7ed3\u679c\u3002\u663e\u793a\u770b\u8d77\u6765\u5f88\u590d\u6742\u2014\u2014\u5355\u4e2a\u6d41\u7a0b\u65e0\u6cd5\u6709\u6548\u5904\u7406\u3002<\/p>\n
      \u5723\u4eba\u8f6c\u5411\u963f\u6797\u3002 \u201c\u5b66\u5458\uff0c\u603b\u6709\u4e00\u5929\uff0c\u4f60\u7ba1\u7406\u7684\u72b6\u6001\u4f1a\u53d8\u5f97\u590d\u6742\u2014\u2014\u5bf9\u4e8e\u5355\u72ec\u7684 usestate \u6765\u8bf4\u592a\u590d\u6742\u4e86\u3002\u5728\u8fd9\u6837\u7684\u65f6\u523b\uff0c\u4f60\u5fc5\u987b\u5b66\u4f1a\u200b\u200b\u7528\u66f4\u5f3a\u5927\u7684\u529b\u91cf\u6765\u7ec4\u7ec7\u548c\u5f15\u5bfc\u80fd\u91cf\u2014\u2014\u4f7f\u7528reducer<\/strong>\u3002\u201d<\/p>\n
      \u5723\u4eba\u62ff\u4e86\u4e24\u5757\u6c34\u6676\uff0c\u4e24\u624b\u5404\u62ff\u7740\u4e00\u9897\u3002\u6676\u4f53\u4ee5 reactium \u80fd\u91cf\u8109\u51b2\uff0c\u8c61\u5f81\u7740\u72b6\u6001\u548c\u884c\u52a8\uff1a<\/p>\n
      const initialenergy = { count: 0 };\n\nfunction energyreducer(state, action) {\n  switch (action.type) {\n    case 'charge':\n      return { count: state.count + 1 };\n    case 'discharge':\n      return { count: state.count - 1 };\n    default:\n      throw new error();\n  }\n}\n\nconst [energystate, dispatch] = usereducer(energyreducer, initialenergy);\n<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \u201cusereducer\uff0c\u201d\u5723\u4eba\u8bf4\uff0c\u201c\u8ba9\u4f60\u63a7\u5236\u591a\u4e2a\u52a8\u4f5c\uff0c\u8ba9\u4f60\u5b9a\u4e49\u6bcf\u4e2a\u52a8\u4f5c\u5982\u4f55\u5f71\u54cd\u72b6\u6001\u3002\u5f53\u8def\u5f84\u5bf9\u4e8e\u7b80\u5355\u6d41\u7a0b\u6765\u8bf4\u8fc7\u4e8e\u590d\u6742\u65f6\u4f7f\u7528\u5b83\u3002\u7528\u5fc3\u53bb\u6307\u6325\uff0c\u5c31\u4f1a\u5728\u590d\u6742\u4e2d\u5e26\u6765\u7a33\u5b9a\u3002\u201d<\/p>\n
      \u963f\u6797\u770b\u7740\u5723\u4eba\u6f14\u793a\uff0c\u4ee5\u53d7\u63a7\u8109\u51b2\u7684\u5f62\u5f0f\u5411\u6bcf\u4e2a\u7ed3\u679c\u53d1\u9001\u80fd\u91cf\u3002\u8fd9\u79cd\u523b\u610f\u7684\u5f15\u5bfc\u5bf9\u4e8e\u7ba1\u7406\u66f4\u590d\u6742\u7684\u6d41\u7a0b\u6765\u8bf4\u4f3c\u4e4e\u975e\u5e38\u6709\u4ef7\u503c\u3002<\/p>\n
      \n
      \u201cusememo \u548c usecallback\uff1a\u7ba1\u7406\u6548\u7387\u201d<\/strong><\/p>\n
      \u5723\u4eba\u968f\u540e\u5c06\u963f\u6797\u5e26\u5230\u4e00\u7cfb\u5217\u5feb\u901f\u95ea\u70c1\u7684\u706f\u5149\u524d\uff0c\u89e3\u91ca\u8bf4\u8fd9\u4e9b\u706f\u5149\u4ee3\u8868\u9891\u7e41\u3001\u4e0d\u5fc5\u8981\u7684\u80fd\u6e90\u6d88\u8017\u3002<\/p>\n
      \u201c\u8bb8\u591a\u5b66\u5458\u901a\u8fc7\u4e00\u904d\u53c8\u4e00\u904d\u5730\u91cd\u65b0\u8ba1\u7b97\u76f8\u540c\u7684\u503c\u6765\u6d6a\u8d39\u7cbe\u529b\uff0c\u4f7f\u81ea\u5df1\u7b4b\u75b2\u529b\u5c3d\u3002\u201d\u8d24\u8005\u9012\u7ed9\u963f\u6797\u53e6\u4e00\u5757\u6c34\u6676\uff0c\u8fd9\u662f\u4e00\u79cd\u6df1\u6c89\u3001\u5e73\u9759\u7684\u84dd\u8272\u3002 \u201c\u8fd9\u6b3e\u6c34\u6676\u8c61\u5f81\u7740usememo<\/strong>\u2014\u2014\u4e00\u79cd\u901a\u8fc7\u5b58\u50a8\u8ba1\u7b97\u7ed3\u679c\u6765\u8bb0\u5fc6\u548c\u8282\u7701\u80fd\u91cf\u7684\u65b9\u6cd5\u3002\u201d<\/p>\n
      \u963f\u6797\u70b9\u70b9\u5934\uff0c\u5723\u4eba\u7ee7\u7eed\u8bf4\u9053\uff1a<\/p>\n
      const result = usememo(() => complexcalculation(input), [input]);\n<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \u201c\u4ec5\u5728\u9700\u8981\u65f6\u91cd\u65b0\u8ba1\u7b97\uff0c\u5b66\u5458\u3002\u6548\u7387\u662f\u5173\u952e\u3002\u201d<\/p>\n
      \u7136\u540e\uff0c\u5723\u4eba\u9012\u7ed9\u5979\u53e6\u4e00\u5757\u5c0f\u6c34\u6676\uff0c\u5f53\u963f\u6797\u89e6\u6478\u5b83\u65f6\uff0c\u5979\u611f\u5230\u6709\u4e00\u79cd\u60f3\u8981\u91cd\u590d\u67d0\u4e2a\u52a8\u4f5c\u7684\u51b2\u52a8\u2014\u2014\u5c3d\u7ba1\u662f\u6545\u610f\u7684\u3002 \u201c\u8fd9\u662fusecallback<\/strong>\u2014\u2014\u65e8\u5728\u4f5c\u4e3a prop \u4f20\u9012\u65f6\u4fdd\u6301\u51fd\u6570\u7a33\u5b9a\uff0c\u6700\u5927\u9650\u5ea6\u5730\u51cf\u5c11\u6d6a\u8d39\u3002\u201d<\/p>\n
      const handleaction = usecallback(() => {\n  performaction();\n}, [dependencies]);\n<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \u201c\u8fd9\u4e24\u4e2a hooks\uff08usememo \u548c usecallback\uff09\u5bf9\u4e8e\u4fdd\u6301\u80fd\u6e90\u4f7f\u7528\u6548\u7387\u81f3\u5173\u91cd\u8981\uff0c\u786e\u4fdd\u91cd\u590d\u64cd\u4f5c\u4e0d\u4f1a\u4e0d\u5fc5\u8981\u5730\u8017\u5c3d\u60a8\u7684\u8d44\u6e90\u3002\u201d<\/p>\n
      \n
      \u201c\u4f7f\u7528\u7684\u529b\u91cf\u53c2\u8003\uff1a\u951a\u5b9a\u7a33\u5b9a\u6027\u201d<\/strong><\/p>\n
      \u5b9e\u9a8c\u5ba4\u7684\u73af\u5883\u4f3c\u4e4e\u53d1\u751f\u4e86\u53d8\u5316\uff0c\u7a81\u7136\u4e00\u9635\u5f3a\u98ce\u6447\u52a8\u4e86\u5899\u58c1\uff0c\u7eb8\u5f20\u88ab\u5439\u98de\u3002\u5723\u4eba\u4e3e\u8d77\u624b\u6765\uff0c\u901a\u8fc7\u4e00\u4e2a\u5fae\u5999\u7684\u624b\u52bf\uff0c\u80fd\u91cf\u5c06\u7269\u4f53\u56fa\u5b9a\u5728\u539f\u6765\u7684\u4f4d\u7f6e\u3002<\/p>\n
      \u201c\u8fd9\uff0c\u201d\u5723\u4eba\u8bf4\uff0c\u201c\u662fuseref<\/strong>\u2014\u2014\u4e00\u79cd\u4fdd\u6301\u7a33\u5b9a\u7684\u65b9\u5f0f\uff0c\u5f53\u53d8\u9769\u4e4b\u98ce\u5a01\u80c1\u8981\u9a71\u9010\u91cd\u8981\u5143\u7d20\u65f6\uff0c\u5b83\u662f\u4e00\u4e2a\u951a\u3002\u201d<\/p>\n
      arin \u770b\u7740\u7269\u4f53\u7262\u7262\u5730\u4fdd\u6301\u5728\u539f\u5730\uff0c\u6ca1\u6709\u53d7\u5230\u6e4d\u6d41\u7684\u5f71\u54cd\uff1a<\/p>\n
      const stableelement = useref(null);\n\nuseeffect(() => {\n  stableelement.current.focus();\n}, []);\n<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \u201c\u6709\u65f6\uff0ccadet\uff0c\u60a8\u9700\u8981\u5728\u6e32\u67d3\u4e4b\u95f4\u4fdd\u7559\u4e00\u4e2a\u503c\u800c\u4e0d\u89e6\u53d1\u91cd\u65b0\u6e32\u67d3\u3002\u8fd9\u5c31\u662f useref\u2014\u2014\u4e00\u4e2a\u4fdd\u6301\u91cd\u8981\u5143\u7d20\u7a33\u5b9a\u7684\u951a\u3002\u201d<\/p>\n
      \n
      \u201c\u62e5\u62b1\u5b9a\u5236\u94a9\u5b50\uff1a\u795e\u5947\u836f\u6c34\u201d<\/strong><\/p>\n
      \u201c\u73b0\u5728\uff0c\u5b66\u5458\uff0c\u201d\u5723\u4eba\u7ee7\u7eed\u8bf4\u9053\uff0c\u201c\u6709\u65f6\u4f60\u5fc5\u987b\u8d85\u8d8a\u7ed9\u5b9a\u7684\u80fd\u529b\uff0c\u521b\u9020\u4f60\u81ea\u5df1\u72ec\u7279\u7684\u836f\u5242\u2014\u2014\u5b9a\u5236\u89e3\u51b3\u65b9\u6848\u6765\u5e94\u5bf9\u7279\u5b9a\u7684\u6311\u6218\u3002\u201d<\/p>\n
      \u8d24\u8005\u62ff\u8d77\u4e00\u74f6\u95ea\u95ea\u53d1\u5149\u7684\u84dd\u8272\u6db2\u4f53\u3002 \u201c\u8fd9\u4ee3\u8868\u4e86\u5b9a\u5236\u94a9\u5b50<\/strong>\u2014\u2014\u4e00\u79cd\u7531\u57fa\u672c\u7ec4\u4ef6\u5236\u6210\u7684\u795e\u5947\u836f\u6c34\uff0c\u7528\u4e8e\u7279\u5b9a\u76ee\u7684\u3002\u201d<\/p>\n
      \u8d24\u8005\u9012\u7ed9\u963f\u6797\u9b54\u836f\uff0c\u5979\u770b\u7740\u5b83\u53d1\u5149\uff0c\u5c06\u591a\u4e2a\u8f83\u5c0f\u6676\u4f53\u7684\u529b\u91cf\u7ed3\u5408\u6210\u66f4\u5927\u7684\u4e1c\u897f\uff1a<\/p>\n
      function useEnergyStatus(initialStatus) {\n  const [status, setStatus] = useState(initialStatus);\n\n  useEffect(() => {\n    console.log(`Status has changed: ${status}`);\n  }, [status]);\n\n  return [status, setStatus];\n}\n\nfunction CadetComponent() {\n  const [energyStatus, setEnergyStatus] = useEnergyStatus(\"Normal\");\n\n  return (\n    <div>\n      <p>Energy Status: {energyStatus}<\/p>\n      <button onClick={() => setEnergyStatus(\"Charged\")}>Charge Up!<\/button>\n    <\/div>\n  );\n}\n<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \u201c\u5236\u4f5c\u81ea\u5df1\u7684 hooks \u53ef\u4ee5\u8ba9\u60a8\u9488\u5bf9\u6240\u9762\u4e34\u7684\u6311\u6218\u521b\u5efa\u7279\u5b9a\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u4f7f\u590d\u6742\u7684\u4efb\u52a1\u53ef\u91cd\u7528\u4e14\u66f4\u6613\u4e8e\u7ef4\u62a4\uff0c\u201d\u5723\u4eba\u8bf4\u3002<\/p>\n
      \u963f\u6797\u559d\u4e86\u4e00\u53e3\u836f\u5242\uff0c\u611f\u89c9\u591a\u79cd\u80fd\u91cf\u878d\u5408\u6210\u4e00\u80a1\u6d41\u7545\u7684\u80fd\u91cf\u6d41\uff0c\u968f\u65f6\u53ef\u4ee5\u5728\u9700\u8981\u7684\u65f6\u5019\u4f7f\u7528\u3002\u5979\u610f\u8bc6\u5230\uff0c\u968f\u7740 codex \u9762\u4e34\u65e5\u76ca\u590d\u6742\u7684\u5a01\u80c1\uff0c\u5b9a\u5236\u89e3\u51b3\u65b9\u6848\u5c06\u53d8\u5f97\u591a\u4e48\u91cd\u8981\u3002<\/p>\n
      \n
      \u201c\u654f\u6377\u7684\u6700\u540e\u4e00\u8bfe\u201d<\/strong><\/p>\n
      arin \u5728 sage \u7684\u7ec6\u5fc3\u6307\u5bfc\u4e0b\u5b66\u4e60\u4e86\u4e00\u6574\u5929\uff0c\u7ec3\u4e60 usestate\u3001useeffect\u3001usereducer\u3001useref\u3001usecontext\u3001usememo\u3001usecallback\uff0c\u751a\u81f3\u521b\u5efa\u4e86\u81ea\u5df1\u7684\u81ea\u5b9a\u4e49 hooks<\/strong>\u3002\u6bcf\u4e2a\u94a9\u5b50\u90fd\u6709\u81ea\u5df1\u72ec\u7279\u7684\u80fd\u529b\u2014\u2014\u5c31\u50cf\u4e13\u95e8\u7684\u5de5\u5177\u4e00\u6837\uff0c\u5982\u679c\u6b63\u786e\u4f7f\u7528\uff0c\u5979\u5c31\u80fd\u5728\u9762\u5bf9\u4e0d\u53ef\u9884\u6d4b\u7684\u5a01\u80c1\u65f6\u505a\u51fa\u7cbe\u786e\u3001\u654f\u6377\u548c\u7a33\u5b9a\u7684\u53cd\u5e94\u3002<\/p>\n
      \u5f53\u8fd9\u4e00\u5929\u5373\u5c06\u7ed3\u675f\u65f6\uff0c\u5723\u4eba\u5fae\u7b11\u7740\u3002 \u201c\u5b66\u5458\u963f\u6797\uff0c\u654f\u6377\u6027\u662f\u751f\u5b58\u548c\u6210\u957f\u7684\u5173\u952e\u3002\u9002\u5f53\u53cd\u5e94\uff0c\u8282\u7701<\/p>\n
      \u4f60\u7684\u7cbe\u529b\uff0c\u5e76\u65f6\u523b\u51c6\u5907\u597d\u5e94\u5bf9\u2014\u2014\u8fd9\u4e9b\u6280\u80fd\u4f1a\u5bf9\u4f60\u5927\u6709\u88e8\u76ca\u3002\u201d<\/p>\n
      \u963f\u7433\u70b9\u70b9\u5934\uff0c\u5fc3\u4e2d\u5145\u6ee1\u4e86\u51b3\u5fc3\u3002\u51ed\u501f\u6240\u5b66\u5230\u7684\u6280\u80fd\uff0c\u5979\u89c9\u5f97\u81ea\u5df1\u5df2\u7ecf\u505a\u597d\u4e86\u66f4\u5145\u5206\u7684\u51c6\u5907\u6765\u5e94\u5bf9\u672a\u6765\u4e0d\u53ef\u9884\u6d4b\u7684\u5a01\u80c1\u3002\u5373\u5c06\u5230\u6765\u7684\u5165\u4fb5\u5c06\u4f1a\u662f\u6df7\u4e71\u7684\uff0c\u4f46\u5979\u5f00\u59cb\u4e86\u89e3\u5982\u4f55\u5229\u7528\u81ea\u5df1\u7684\u80fd\u529b\u3001\u4fdd\u5b58\u80fd\u91cf\u5e76\u4fdd\u6301\u654f\u6377\u3002<\/p>\n
      \u661f\u7403\u6cd5\u5178\u4f9d\u8d56\u4e8e\u9002\u5e94\u6027\uff0c\u963f\u6797\u77e5\u9053\u5979\u5df2\u7ecf\u51c6\u5907\u597d\u5728\u4fdd\u536b\u5b83\u65b9\u9762\u53d1\u6325\u81ea\u5df1\u7684\u4f5c\u7528\u3002<\/p>\n
      \u4ee5\u4e0a\u5c31\u662f\u7ae0\u8282\u300a\u94a9\u5b50\u5723\u4eba\u548c\u654f\u6377\u7684\u793c\u7269\u300b\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
      \u7b2c\u4e09\u96c6\uff1a\u94a9\u5b50\u5723\u4eba\u548c\u654f\u6377\u7684\u793c\u7269 \u592a\u9633\u5728\u6cd5\u5178\u661f\u7403\u4e0a\u7a7a\u5347\u8d77\uff0c\u5730\u8868\u6c90\u6d74\u5728\u53cd\u5e94\u5143\u7d20\u80fd\u91cf\u7684\u5149\u8292\u4e2d\u3002\u963f\u6797\u7ad9\u5728\u90a3\u5ea7\u9ad8\u5927\u96c4\u4f1f\u7684\u5efa\u7b51\u524d\uff0c\u8fd9\u5ea7\u5efa\u7b51\u88ab\u79f0\u4e3a\u80e1\u514b\u65af\u5b9e\u9a8c\u5ba4\u2014\u2014\u8fd9\u91cc\u662f\u953b\u9020\u548c\u5b8c\u5584\u654f\u6377\u6027\u548c\u53cd\u5e94\u80fd\u529b\u7684\u6700\u4f73\u5de5\u5177\u7684\u5730\u65b9\u3002\u4eca\u5929\uff0c\u5979\u51c6\u5907\u53bb\u89c1\u94a9\u5723\u3002 \u201c\u51c6\u5907\u597d\u4e86\u5417\uff0c\u5b66\u5458\uff1f\u201d stateflow \u4e2d\u5c09\uff0c\u5e76\u5411 arin \u70b9\u4e86\u70b9\u5934\u8868\u793a\u9f13\u52b1\u3002\u4ed6\u628a\u5979\u5e26\u5230\u4e86\u8fd9\u4e00\u6b65\uff0c\u4f46\u73b0\u5728\u662f\u5979\u8fdb\u5165\u4e0b\u4e00\u9636\u6bb5\u8bad\u7ec3\u7684\u65f6\u5019\u4e86\u2014\u2014\u5b66\u4e60\u8fd0\u7528\u4e13\u4e1a\u6280\u80fd\uff0c\u4f7f\u5979\u6210\u4e3a\u771f\u6b63\u7684\u6cd5\u5178\u634d\u536b\u8005\u3002 arin\u6df1\u5438\u4e86\u4e00\u53e3\u6c14\uff0c\u8d70\u8fdb\u4e86\u5b9e\u9a8c\u5ba4\u3002 \u201c\u9047\u89c1\u94a9\u5723\u201d \u8fd9\u4e2a\u5b9e\u9a8c\u5ba4\u662f\u4e00\u4e2a\u4ee4\u4eba\u5370\u8c61\u6df1\u523b\u7684\u5730\u65b9\u2014\u2014\u6bcf\u4e2a\u89d2\u843d\u90fd\u5145\u6ee1\u4e86\u7531 reactium \u9a71\u52a8\u7684\u6280\u672f\u7684\u53d1\u5149\u9635\u5217\uff0c\u5145\u6ee1\u4e86\u6f5c\u529b\u3002\u4e2d\u5fc3\uff0c\u88ab\u5168\u606f\u56fe\u5305\u56f4\u7740\uff0c\u7ad9\u7740\u80e1\u514b\u5723\u8005\u2014\u2014\u4e00\u4e2a\u5e74\u8001\u7684\u4eba\u7269\uff0c\u4ed6\u7684\u5b58\u5728\u770b\u8d77\u6765\u65e2\u5e73\u9759\u53c8\u5145\u6ee1\u7535\uff0c\u4eff\u4f5b\u4ed6\u4eec\u4f53\u73b0\u4e86\u6d41\u7ecf\u5b9e\u9a8c\u5ba4\u7684\u80fd\u91cf\u3002 \u201c\u554a\uff0c\u65b0\u5175\uff0c\u201d\u5723\u4eba\u8bf4\u9053\uff0c\u4ed6\u4eec\u7684\u773c\u775b\u95ea\u95ea\u53d1\u5149\u3002 \u201c\u9760\u8fd1\u70b9\uff0c\u5b66\u5458\u963f\u6797\u3002\u4eca\u5929\uff0c\u6211\u4eec\u4ece\u57fa\u7840\u77e5\u8bc6\u5f00\u59cb\u2014\u2014\u8ba9\u60a8\u80fd\u591f\u6839\u636e\u60a8\u7684\u65c5\u7a0b\u6240\u9700\u5feb\u901f\u53cd\u5e94\u5e76\u6709\u6548\u7ba1\u7406\u80fd\u6e90\u7684\u80fd\u529b\u3002\u201d \u201c\u5b66\u4e60\u57fa\u7840\u77e5\u8bc6\uff1ausestate \u548c useeffect\u201d \u5723\u4eba\u9012\u7ed9\u963f\u6797\u4e00\u5c0f\u5757\u53cd\u5e94\u5143\u7d20\u6676\u4f53\uff0c\u5f53\u5979\u63e1\u4f4f\u5b83\u65f6\uff0c\u5b83\u4f3c\u4e4e\u5728\u8109\u52a8\u548c\u53d8\u5316\u3002 \u201c\u5b66\u5458\uff0c\u8fd9\u4ee3\u8868\u4e86\u50a8\u5b58\u548c\u63a7\u5236\u80fd\u91cf\u7684\u80fd\u529b\u3002\u8fd9\u5c31\u662f\u6240\u8c13\u7684 usestate\u2014\u2014\u7ba1\u7406\u4f60\u4f53\u5185\u5c40\u90e8\u80fd\u91cf\u7684\u672c\u8d28\u3002\u201d arin \u89c2\u770b\u5723\u4eba\u6f14\u793a\uff1a usestate\uff1a\u521b\u5efa\u53ef\u53d8\u72b6\u6001\u7684\u57fa\u672c hook\u3002\u8fd9\u662f\u5173\u4e8e\u62e5\u6709\u4e00\u79cd\u53ef\u4ee5\u6839\u636e\u9700\u8981\u6539\u53d8\u3001\u8fdb\u5316\u548c\u54cd\u5e94\u7684\u80fd\u91cf\u3002 const [energy, setenergy] = usestate(“calm”); \u767b\u5f55\u540e\u590d\u5236 \u201c\u968f\u7740\u73af\u5883\u7684\u53d8\u5316\uff0c\u8fd9\u79cd\u80fd\u91cf\u53ef\u4ee5\u968f\u65f6\u53d1\u751f\u53d8\u5316\uff0c\u201d\u5723\u4eba\u89e3\u91ca\u9053\u3002 \u201c\u5c06\u5176\u89c6\u4e3a\u60a8\u7684\u5185\u90e8\u50a8\u5907\u2014\u2014\u53ea\u6709\u60a8\u53ef\u4ee5\u4f7f\u7528\uff0c\u4f46\u975e\u5e38\u91cd\u8981\u3002\u201d \u5723\u4eba\u7136\u540e\u5411\u4e00\u7cfb\u5217\u4f20\u611f\u5668\u505a\u4e86\u4e2a\u624b\u52bf\uff0c\u6307\u7740\u5b83\u4eec\u95ea\u70c1\u7684\u706f\u5149\u3002 \u201c\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u6709\u80fd\u529b\u503e\u542c\u5468\u56f4\u4e16\u754c\u7684\u58f0\u97f3\u3002\u6211\u4eec\u79f0\u4e4b\u4e3a useeffect\u3002\u201d useeffect\uff1a\u5c06 codex \u7684\u7ec4\u4ef6\u8fde\u63a5\u5230\u5916\u90e8\u6e90\uff0c\u5c31\u50cf\u54cd\u5e94\u65b0\u7684\u5a01\u80c1\u6216\u60c5\u51b5\u4e00\u6837\u3002 useeffect(() => { \/\/ imagine the energy changes in response to something outside console.log(“monitoring changes in external […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-3765","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/3765","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=3765"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/3765\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=3765"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=3765"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=3765"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}