{"id":296083,"date":"2024-05-20T15:52:34","date_gmt":"2024-05-20T07:52:34","guid":{"rendered":""},"modified":"2024-05-20T15:52:55","modified_gmt":"2024-05-20T07:52:55","slug":"react-%e9%a1%b9%e7%9b%ae%e5%a6%82%e4%bd%95%e8%bf%9b%e8%a1%8c%e6%80%a7%e8%83%bd%e4%bc%98%e5%8c%96-2","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/296083.html","title":{"rendered":"react \u9879\u76ee\u5982\u4f55\u8fdb\u884c\u6027\u80fd\u4f18\u5316"},"content":{"rendered":"

\"react<\/p>\n

React \u9879\u76ee\u6027\u80fd\u4f18\u5316<\/strong>\u53ef\u4ee5\u4ece\u591a\u4e2a\u89d2\u5ea6\u8fdb\u884c\uff0c\u4e3b\u8981\u5305\u62ec\u7ec4\u4ef6\u5c42\u9762\u7684\u4f18\u5316\u3001\u4f7f\u7528\u4e0d\u53ef\u53d8\u6570\u636e\u3001\u5408\u7406\u4f7f\u7528Hooks\u3001\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u6e32\u67d3\u3001\u4ee3\u7801\u5206\u5272\u3001\u5229\u7528\u61d2\u52a0\u8f7d\u3001\u4f18\u5316\u4f9d\u8d56\u5305\u3001\u7f51\u7edc\u8bf7\u6c42\u4f18\u5316<\/strong>\u7b49\u3002\u7279\u522b\u662f\u5728\u7ec4\u4ef6\u5c42\u9762\uff0c\u4f7f\u7528React.memo\u548cshouldComponentUpdate\u53ef\u4ee5\u6709\u6548\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u66f4\u65b0\uff0c\u4ece\u800c\u63d0\u9ad8\u5e94\u7528\u7684\u54cd\u5e94\u901f\u5ea6\u548c\u6027\u80fd\u3002<\/p>\n<\/p>\n

\u5728\u6240\u6709\u8fd9\u4e9b\u4f18\u5316\u7b56\u7565\u4e2d\uff0c\u4ee3\u7801\u5206\u5272<\/strong>\u662f\u975e\u5e38\u6709\u6548\u7684\u65b9\u5f0f\uff0c\u5176\u901a\u8fc7\u6309\u9700\u52a0\u8f7d\u53ea\u6709\u5f53\u7528\u6237\u9700\u8981\u6267\u884c\u67d0\u4e9b\u64cd\u4f5c\u6216\u8bbf\u95ee\u7279\u5b9a\u5185\u5bb9\u65f6\uff0c\u624d\u52a0\u8f7d\u76f8\u5e94\u7684\u4ee3\u7801\u5757\u3002\u8fd9\u4e0d\u4ec5\u52a0\u5feb\u4e86\u5e94\u7528\u7684\u521d\u59cb\u52a0\u8f7d\u901f\u5ea6\uff0c\u800c\u4e14\u51cf\u5c11\u4e86\u5e94\u7528\u7684\u603b\u4f53\u4f53\u79ef\uff0c\u4f7f\u5f97\u5373\u4f7f\u5728\u7f51\u7edc\u8f83\u6162\u7684\u73af\u5883\u4e0b\u5e94\u7528\u4e5f\u80fd\u4fdd\u6301\u8f83\u597d\u7684\u6027\u80fd\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u7ec4\u4ef6\u5c42\u9762\u7684\u4f18\u5316<\/h3>\n<\/p>\n

\u7ec4\u4ef6\u662fReact\u5e94\u7528\u7684\u57fa\u77f3\uff0c\u4f18\u5316\u7ec4\u4ef6\u662f\u63d0\u5347\u6027\u80fd\u7684\u7b2c\u4e00\u6b65\u3002\u4f18\u5316\u7684\u5173\u952e\u662f\u786e\u4fdd\u7ec4\u4ef6\u53ea\u5728\u771f\u6b63\u9700\u8981\u65f6\u624d\u8fdb\u884c\u66f4\u65b0\u3002<\/p>\n<\/p>\n

\u4f7f\u7528 PureComponent \u548c React.memo<\/h4>\n<\/p>\n

PureComponent \u548c React.memo \u6839\u636eprops\u548cstate\u7684\u6d45\u6bd4\u8f83\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u6e32\u67d3\u3002PureComponent\u662f\u9488\u5bf9\u7c7b\u7ec4\u4ef6\u7684\uff0c\u800cReact.memo\u5219\u7528\u4e8e\u51fd\u6570\u7ec4\u4ef6\u3002<\/p>\n<\/p>\n

\u4f7f\u7528 shouldComponentUpdate<\/h4>\n<\/p>\n

\u5bf9\u4e8e\u90a3\u4e9b\u4e0d\u80fd\u8f6c\u4e3aPureComponent\u6216\u4f7f\u7528React.memo\u7684\u60c5\u51b5\uff0c\u53ef\u4ee5\u901a\u8fc7\u5b9e\u73b0shouldComponentUpdate\u751f\u547d\u5468\u671f\u65b9\u6cd5\uff0c\u624b\u52a8\u63a7\u5236\u7ec4\u4ef6\u7684\u66f4\u65b0\u903b\u8f91\u3002<\/p>\n<\/p>\n

\u4e8c\u3001\u4f7f\u7528\u4e0d\u53ef\u53d8\u6570\u636e<\/h3>\n<\/p>\n

\u4e0d\u53ef\u53d8\u6570\u636e\u6709\u5229\u4e8e\u5feb\u901f\u6bd4\u8f83\u6570\u636e\u662f\u5426\u53d1\u751f\u53d8\u5316\uff0c\u56e0\u6b64\u5728\u6027\u80fd\u4f18\u5316\u4e2d\u626e\u6f14\u7740\u91cd\u8981\u89d2\u8272\u3002<\/p>\n<\/p>\n

\u5229\u7528Immutability<\/h4>\n<\/p>\n

\u5229\u7528\u5982Immutable.js\u8fd9\u6837\u7684\u5e93\uff0c\u5728\u66f4\u65b0\u6570\u636e\u65f6\u53ef\u4ee5\u83b7\u5f97\u4e0d\u53ef\u53d8\u7684\u6570\u636e\u526f\u672c\uff0c\u9632\u6b62\u539f\u59cb\u6570\u636e\u88ab\u4fee\u6539\uff0c\u8fd9\u6709\u52a9\u4e8ePureComponent\u548cReact.memo\u7684\u6027\u80fd\u4f18\u5316\u3002<\/p>\n<\/p>\n

\u4f7f\u7528 useState \u7684\u51fd\u6570\u5f0f\u66f4\u65b0<\/h4>\n<\/p>\n

\u5f53\u4f7f\u7528useState\u94a9\u5b50\u66f4\u65b0\u72b6\u6001\u65f6\uff0c\u53ef\u4ee5\u901a\u8fc7\u4f20\u5165\u4e00\u4e2a\u66f4\u65b0\u51fd\u6570\u6765\u786e\u4fdd\u72b6\u6001\u7684\u4e0d\u53ef\u53d8\u6027\uff0c\u907f\u514d\u4ea7\u751f\u4e0d\u5fc5\u8981\u7684\u91cd\u6e32\u67d3\u3002<\/p>\n<\/p>\n

\u4e09\u3001\u5408\u7406\u4f7f\u7528Hooks<\/h3>\n<\/p>\n

React Hooks\u63d0\u4f9b\u4e86\u4e00\u79cd\u5728\u65e0\u9700\u7f16\u5199\u7c7b\u7684\u60c5\u51b5\u4e0b\u4f7f\u7528state\u548c\u5176\u4ed6React\u7279\u6027\u7684\u65b9\u5f0f\u3002\u5408\u7406\u4f7f\u7528Hooks\u53ef\u4ee5\u63d0\u5347\u7ec4\u4ef6\u7684\u6027\u80fd\u3002<\/p>\n<\/p>\n

\u4f7f\u7528 useCallback \u548c useMemo<\/h4>\n<\/p>\n

useCallback\u548cuseMemo\u53ef\u4ee5\u5e2e\u52a9\u7f13\u5b58\u51fd\u6570\u548c\u8ba1\u7b97\u503c\uff0c\u907f\u514d\u5728\u6bcf\u6b21\u6e32\u67d3\u65f6\u90fd\u91cd\u65b0\u751f\u6210\u51fd\u6570\u5b9e\u4f8b\u6216\u8fdb\u884c\u8ba1\u7b97\u3002<\/p>\n<\/p>\n

\u907f\u514d\u8fc7\u5ea6\u4f7f\u7528Hooks<\/h4>\n<\/p>\n

\u867d\u7136Hooks\u5f3a\u5927\uff0c\u4f46\u8fc7\u5ea6\u4f7f\u7528\u4e5f\u4f1a\u5bfc\u81f4\u6027\u80fd\u95ee\u9898\uff0c\u7279\u522b\u662f\u5f53\u8fc7\u5ea6\u4f7f\u7528useEffect\u65f6\u53ef\u80fd\u4f1a\u5f15\u8d77\u5faa\u73af\u8c03\u7528\u3002<\/p>\n<\/p>\n

\u56db\u3001\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u6e32\u67d3<\/h3>\n<\/p>\n

\u5728React\u4e2d\uff0c\u6e32\u67d3\u662f\u5360\u7528\u5927\u90e8\u5206\u8d44\u6e90\u7684\u8fc7\u7a0b\u4e4b\u4e00\u3002\u56e0\u6b64\uff0c\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u6e32\u67d3\u662f\u63d0\u5347\u6027\u80fd\u7684\u5173\u952e\u3002<\/p>\n<\/p>\n

Key\u7684\u6b63\u786e\u4f7f\u7528<\/h4>\n<\/p>\n

\u5728\u6e32\u67d3\u5217\u8868\u65f6\uff0c\u786e\u4fdd\u4e3a\u6bcf\u4e2a\u5217\u8868\u9879\u6307\u5b9a\u4e00\u4e2a\u72ec\u4e00\u65e0\u4e8c\u7684key\u3002\u8fd9\u6709\u52a9\u4e8eReact\u5728\u91cd\u65b0\u6e32\u67d3\u65f6\u51c6\u786e\u5730\u8bc6\u522b\u54ea\u4e9b\u9879\u9700\u8981\u66f4\u65b0\u3002<\/p>\n<\/p>\n

\u6761\u4ef6\u6e32\u67d3<\/h4>\n<\/p>\n

\u6709\u65f6\u5019\uff0c\u4e0d\u9700\u8981\u6e32\u67d3\u6574\u4e2a\u7ec4\u4ef6\u6811\u3002\u4f7f\u7528\u6761\u4ef6\u6e32\u67d3\u6765\u907f\u514d\u4e0d\u5fc5\u8981\u7684DOM\u64cd\u4f5c\u662f\u63d0\u9ad8\u6027\u80fd\u7684\u4e00\u4e2a\u6709\u6548\u624b\u6bb5\u3002<\/p>\n<\/p>\n

\u4e94\u3001\u4ee3\u7801\u5206\u5272<\/h3>\n<\/p>\n

\u4ee3\u7801\u5206\u5272\u53ef\u4ee5\u5c06\u4ee3\u7801\u5212\u5206\u4e3a\u591a\u4e2a\u8f83\u5c0f\u7684\u5757\uff0c\u53ea\u6709\u5728\u9700\u8981\u65f6\u624d\u52a0\u8f7d\u3002<\/p>\n<\/p>\n

\u52a8\u6001import()<\/h4>\n<\/p>\n

\u901a\u8fc7\u52a8\u6001import()\u53ef\u4ee5\u5b9e\u73b0\u4ee3\u7801\u5206\u5272\uff0c\u4f7f\u5f97\u5e94\u7528\u53ea\u52a0\u8f7d\u7528\u6237\u9700\u8981\u7684\u90e8\u5206\uff0c\u4ece\u800c\u5927\u5e45\u63d0\u5347\u521d\u59cb\u52a0\u8f7d\u901f\u5ea6\u3002<\/p>\n<\/p>\n

React.lazy \u548c Suspense<\/h4>\n<\/p>\n

\u7ed3\u5408React.lazy\u548cSuspense\u53ef\u4ee5\u5bf9\u7ec4\u4ef6\u8fdb\u884c\u61d2\u52a0\u8f7d\uff0c\u8fdb\u4e00\u6b65\u4f18\u5316\u7528\u6237\u4f53\u9a8c\u3002<\/p>\n<\/p>\n

\u516d\u3001\u5229\u7528\u61d2\u52a0\u8f7d<\/h3>\n<\/p>\n

\u61d2\u52a0\u8f7d\u662f\u4e00\u9879\u6280\u672f\uff0c\u5141\u8bb8\u5e94\u7528\u5ef6\u8fdf\u52a0\u8f7d\u67d0\u4e9b\u8d44\u6e90\u6216\u7ec4\u4ef6\uff0c\u76f4\u5230\u5b83\u4eec\u771f\u6b63\u9700\u8981\u3002<\/p>\n<\/p>\n

\u56fe\u7247\u548c\u7ec4\u4ef6\u7684\u61d2\u52a0\u8f7d<\/h4>\n<\/p>\n

\u4f7f\u7528\u56fe\u7247\u61d2\u52a0\u8f7d\u53ef\u4ee5\u51cf\u5c11\u521d\u59cb\u9875\u9762\u52a0\u8f7d\u7684\u6570\u636e\u91cf\uff0c\u800c\u7ec4\u4ef6\u61d2\u52a0\u8f7d\u5219\u53ef\u4ee5\u63a8\u8fdf\u4e0d\u7acb\u5373\u9700\u8981\u7684\u7ec4\u4ef6\u7684\u52a0\u8f7d\u3002<\/p>\n<\/p>\n

\u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93<\/h4>\n<\/p>\n

\u8bf8\u5982react-lazyload\u7b49\u7b2c\u4e09\u65b9\u5e93\u53ef\u4ee5\u63d0\u4f9b\u989d\u5916\u7684\u61d2\u52a0\u8f7d\u529f\u80fd\uff0c\u5e76\u53ef\u80fd\u5e26\u6765\u989d\u5916\u7684\u6027\u80fd\u63d0\u5347\u3002<\/p>\n<\/p>\n

\u4e03\u3001\u4f18\u5316\u4f9d\u8d56\u5305<\/h3>\n<\/p>\n

\u4f9d\u8d56\u5305\u53ef\u80fd\u4f1a\u589e\u52a0\u5e94\u7528\u7684\u5927\u5c0f\u548c\u542f\u52a8\u65f6\u95f4\uff0c\u5176\u4f18\u5316\u53ef\u4ee5\u5e26\u6765\u6027\u80fd\u4e0a\u7684\u63d0\u5347\u3002<\/p>\n<\/p>\n

\u5206\u6790\u6253\u5305\u5927\u5c0f<\/h4>\n<\/p>\n

\u4f7f\u7528\u8bf8\u5982webpack-bundle-analyzer\u4e4b\u7c7b\u7684\u5de5\u5177\u6765\u5206\u6790\u548c\u7406\u89e3\u6253\u5305\u7684\u5927\u5c0f\uff0c\u627e\u51fa\u53ef\u4ee5\u4f18\u5316\u7684\u4f9d\u8d56\u3002<\/p>\n<\/p>\n

\u4f18\u5148\u9009\u62e9\u8f7b\u91cf\u7ea7\u5e93<\/h4>\n<\/p>\n

\u5728\u9009\u62e9\u5916\u90e8\u5e93\u65f6\uff0c\u4f18\u5148\u9009\u62e9\u4f53\u79ef\u5c0f\u3001\u6027\u80fd\u597d\u7684\u5e93\uff0c\u5e76\u5c3d\u53ef\u80fd\u5730\u907f\u514d\u4f9d\u8d56\u5e9e\u5927\u7684\u5e93\u3002<\/p>\n<\/p>\n

\u516b\u3001\u7f51\u7edc\u8bf7\u6c42\u4f18\u5316<\/h3>\n<\/p>\n

\u7f51\u7edc\u8bf7\u6c42\u662fWeb\u5e94\u7528\u4e2d\u6027\u80fd\u7684\u53e6\u4e00\u4e2a\u5173\u952e\u70b9\u3002<\/p>\n<\/p>\n

\u4f7f\u7528\u7f13\u5b58<\/h4>\n<\/p>\n

\u5229\u7528HTTP\u7f13\u5b58\u7b56\u7565\u3001\u670d\u52a1\u5de5\u4f5c\u8005\uff08Service Workers\uff09\u7b49\u6280\u672f\u6765\u7f13\u5b58\u5e94\u7528\u4e2d\u7684\u8d44\u6e90\u3002<\/p>\n<\/p>\n

\u4f18\u5316\u6570\u636e\u4f20\u8f93<\/h4>\n<\/p>\n

\u4f7f\u7528\u9002\u5f53\u7684\u6570\u636e\u683c\u5f0f\uff08\u5982JSON\uff09\u3001\u538b\u7f29\u54cd\u5e94\u5185\u5bb9\u6216\u5206\u6279\u83b7\u53d6\u6570\u636e\uff0c\u4ee5\u51cf\u5c11\u5355\u6b21\u4f20\u8f93\u7684\u6570\u636e\u91cf\u3002<\/p>\n<\/p>\n

\u5728\u8fdb\u884cReact\u9879\u76ee\u6027\u80fd\u4f18\u5316\u65f6\uff0c\u5f00\u53d1\u8005\u9700\u8981\u5bf9\u9879\u76ee\u7684\u5177\u4f53\u9700\u6c42\u548c\u95ee\u9898\u70b9\u6709\u6df1\u523b\u7406\u89e3\uff0c\u5e76\u7ed3\u5408\u4e0a\u8ff0\u7b56\u7565\uff0c\u5bfb\u627e\u6700\u9002\u5408\u81ea\u5df1\u9879\u76ee\u7684\u4f18\u5316\u65b9\u6848\u3002\u4f18\u5316\u662f\u4e00\u4e2a\u6301\u7eed\u7684\u8fc7\u7a0b\uff0c\u901a\u8fc7\u6027\u80fd\u76d1\u6d4b\u548c\u5206\u6790\u6765\u8fed\u4ee3\u4f18\u5316\uff0c\u6700\u7ec8\u5b9e\u73b0\u9ad8\u6027\u80fd\u7684React\u5e94\u7528\u3002<\/p>\n<\/p>\n

\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n

1. \u6709\u54ea\u4e9b\u5e38\u89c1\u7684React\u6027\u80fd\u4f18\u5316\u65b9\u6cd5\uff1f<\/strong><\/p>\n

\u4e00\u4e9b\u5e38\u89c1\u7684React\u6027\u80fd\u4f18\u5316\u65b9\u6cd5\u5305\u62ec\uff1a\u4f7f\u7528React.memo()\u6216React.PureComponent\u6765\u4f18\u5316\u7ec4\u4ef6\u7684\u6e32\u67d3\uff0c\u4f7f\u7528shouldComponentUpdate\u65b9\u6cd5\u624b\u52a8\u63a7\u5236\u7ec4\u4ef6\u662f\u5426\u9700\u8981\u91cd\u65b0\u6e32\u67d3\uff0c\u4f7f\u7528\u865a\u62df\u5316\u6280\u672f\u6765\u4f18\u5316\u5927\u578b\u5217\u8868\u6216\u8868\u683c\u7684\u6e32\u67d3\uff0c\u5408\u7406\u4f7f\u7528React\u7684\u751f\u547d\u5468\u671f\u65b9\u6cd5\u6765\u7ba1\u7406\u7ec4\u4ef6\u7684\u66f4\u65b0\u548c\u5378\u8f7d\uff0c\u4f7f\u7528React.lazy\u548cSuspense\u6765\u5b9e\u73b0\u4ee3\u7801\u7684\u5206\u5272\u548c\u61d2\u52a0\u8f7d\uff0c\u4ee5\u53ca\u4f7f\u7528Webpack\u7b49\u6253\u5305\u5de5\u5177\u6765\u8fdb\u884c\u4ee3\u7801\u7684\u4f18\u5316\u548c\u5206\u5272\u3002<\/p>\n

2. \u5982\u4f55\u4f7f\u7528React\u7684Profiler\u6765\u5206\u6790\u548c\u4f18\u5316\u6027\u80fd\uff1f<\/strong><\/p>\n

React\u7684Profiler\u662f\u4e00\u4e2a\u5185\u7f6e\u5de5\u5177\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u5206\u6790React\u5e94\u7528\u7684\u6027\u80fd\u74f6\u9888\uff0c\u5e76\u63d0\u4f9b\u53ef\u89c6\u5316\u7684\u6027\u80fd\u62a5\u544a\u3002\u6211\u4eec\u53ef\u4ee5\u5728\u4ee3\u7801\u4e2d\u4f7f\u7528Profiler\u7ec4\u4ef6\u5305\u88f9\u9700\u8981\u5206\u6790\u7684\u7ec4\u4ef6\uff0c\u5e76\u6307\u5b9a\u4e00\u4e2a\u56de\u8c03\u51fd\u6570\u6765\u6536\u96c6\u6027\u80fd\u6570\u636e\u3002\u7136\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u67e5\u770bProfiler\u751f\u6210\u7684\u62a5\u544a\uff0c\u4e86\u89e3\u7ec4\u4ef6\u7684\u6e32\u67d3\u65f6\u95f4\u3001\u66f4\u65b0\u9891\u7387\u548c\u91cd\u6e32\u67d3\u6b21\u6570\u7b49\u4fe1\u606f\u3002\u901a\u8fc7\u5206\u6790\u62a5\u544a\uff0c\u6211\u4eec\u53ef\u4ee5\u627e\u51fa\u6027\u80fd\u74f6\u9888\uff0c\u5e76\u91c7\u53d6\u76f8\u5e94\u7684\u4f18\u5316\u63aa\u65bd\uff0c\u5982\u51cf\u5c11\u91cd\u6e32\u67d3\u6b21\u6570\u3001\u4f18\u5316\u7ec4\u4ef6\u7684\u6e32\u67d3\u903b\u8f91\u7b49\u3002<\/p>\n

3. \u5982\u4f55\u4f7f\u7528React\u7684Memo\u548cuseMemo\u6765\u4f18\u5316\u51fd\u6570\u7ec4\u4ef6\u7684\u6027\u80fd\uff1f<\/strong><\/p>\n

Memo\u662f\u4e00\u4e2a\u9ad8\u9636\u7ec4\u4ef6\uff0c\u53ef\u4ee5\u5c06\u51fd\u6570\u7ec4\u4ef6\u7684\u6e32\u67d3\u7ed3\u679c\u7f13\u5b58\u8d77\u6765\uff0c\u53ea\u6709\u5728\u7ec4\u4ef6\u7684props\u53d1\u751f\u53d8\u5316\u65f6\u624d\u4f1a\u91cd\u65b0\u8ba1\u7b97\u6e32\u67d3\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5728\u7ec4\u4ef6\u5916\u90e8\u4f7f\u7528Memo\u5305\u88f9\u51fd\u6570\u7ec4\u4ef6\u6765\u5b9e\u73b0\u6027\u80fd\u4f18\u5316\u3002\u53e6\u5916\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u4f7f\u7528useMemo Hook\u6765\u7f13\u5b58\u51fd\u6570\u7684\u8ba1\u7b97\u7ed3\u679c\uff0c\u5f53\u4f9d\u8d56\u9879\u53d1\u751f\u53d8\u5316\u65f6\uff0c\u624d\u4f1a\u91cd\u65b0\u8ba1\u7b97\u7ed3\u679c\u3002\u8fd9\u4e2a\u7279\u6027\u9002\u7528\u4e8e\u4e00\u4e9b\u8ba1\u7b97\u8f83\u4e3a\u8017\u65f6\u7684\u64cd\u4f5c\uff0c\u53ef\u4ee5\u907f\u514d\u91cd\u590d\u8ba1\u7b97\uff0c\u63d0\u9ad8\u6027\u80fd\u3002\u901a\u8fc7\u5408\u7406\u4f7f\u7528Memo\u548cuseMemo\uff0c\u6211\u4eec\u53ef\u4ee5\u6709\u6548\u5730\u4f18\u5316\u51fd\u6570\u7ec4\u4ef6\u7684\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"React \u9879\u76ee\u6027\u80fd\u4f18\u5316\u53ef\u4ee5\u4ece\u591a\u4e2a\u89d2\u5ea6\u8fdb\u884c\uff0c\u4e3b\u8981\u5305\u62ec\u7ec4\u4ef6\u5c42\u9762\u7684\u4f18\u5316\u3001\u4f7f\u7528\u4e0d\u53ef\u53d8\u6570\u636e\u3001\u5408\u7406\u4f7f\u7528Hooks\u3001\u907f\u514d\u4e0d […]","protected":false},"author":3,"featured_media":296109,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/296083"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=296083"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/296083\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/296109"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=296083"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=296083"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=296083"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}