{"id":38229,"date":"2023-03-14T16:30:22","date_gmt":"2024-01-25T08:32:12","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90%e6%96%b0%e6%89%8b%e3%80%91react%e7%bc%96%e7%a0%81%e7%ac%94%e8%ae%b0%e3%80%90%e5%a4%87%e5%bf%98%e5%bd%95%e3%80%91\/"},"modified":"2024-04-29T18:53:55","modified_gmt":"2024-04-29T10:53:55","slug":"%e3%80%90%e6%96%b0%e6%89%8b%e3%80%91react%e7%bc%96%e7%a0%81%e7%ac%94%e8%ae%b0%e3%80%90%e5%a4%87%e5%bf%98%e5%bd%95%e3%80%91","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90%e6%96%b0%e6%89%8b%e3%80%91react%e7%bc%96%e7%a0%81%e7%ac%94%e8%ae%b0%e3%80%90%e5%a4%87%e5%bf%98%e5%bd%95%e3%80%91\/","title":{"rendered":"\u3010\u65b0\u624b\u3011React\u7f16\u7801\u7b14\u8bb0\u3010\u5907\u5fd8\u5f55\u3011"},"content":{"rendered":"

\u9996\u5148<\/h1>\n

\u5728\u6295\u7a3f\u65f6\uff0c\u4f5c\u8005\u7684\u6c34\u5e73\u5927\u7ea6\u662f\u5728\u4ece\u96f6\u57fa\u7840\u5f00\u59cb\u5b66\u4e60\u4e86\u5927\u7ea6\u4e24\u4e2a\u6708\u5de6\u53f3\u3002\u56e0\u6b64\uff0c\u53ef\u80fd\u5b58\u5728\u7406\u89e3\u4e0d\u8db3\u3001\u89e3\u91ca\u4e0d\u8db3\u3001\u9519\u8bef\u7684\u5185\u5bb9\u6216\u79f0\u547c\u7b49\u95ee\u9898\u3002\u5982\u679c\u60a8\u5076\u7136\u53c2\u8003\u4e86\u8fd9\u4e9b\u5185\u5bb9\uff0c\u8bf7\u5728\u8003\u8651\u5230\u4e0a\u8ff0\u95ee\u9898\u7684\u57fa\u7840\u4e0a\u9605\u8bfb\u3002\u8bf4\u660e\u6587\u4e2d\u5f15\u7528\u4e86ChatGPT\u6559\u5e08\u7684\u8bb8\u591a\u5185\u5bb9\u3002<\/p>\n

\u7ec4\u4ef6\u63cf\u8ff0\u65b9\u6cd5<\/h1>\n

\u4ee5\u4e0b\u5168\u90e8\u90fd\u626e\u6f14\u7740\u540c\u6837\u7684\u89d2\u8272\u3002<\/p>\n

\/\/ Class Component\uff08\u30af\u30e9\u30b9\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\uff09<\/span>\r\nclass<\/span> App<\/span> extends<\/span> React<\/span>.<\/span>Component<\/span> {<\/span>\r\n  render<\/span>()<\/span> {<\/span>\r\n    return<\/span>(<\/span>\r\n\t\t\t<<\/span>div<\/span>><\/span>\r\n\t\t\t\t<<\/span>h1<\/span>><\/span>Hello<\/span> World<\/span><<\/span>\/h1<\/span>>\r\n<\/span>\t\t\t<<\/span>\/div<\/span>>\r\n<\/span>    );<\/span>\r\n  };<\/span>\r\n};<\/span>\r\n<\/code><\/pre>\n
\/\/ Functional Component\uff08\u95a2\u6570\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\uff09\uff08ES5\u3067\u66f8\u3044\u305f\u5834\u5408\uff09<\/span>\r\nfunction<\/span> App<\/span>(<\/span>props<\/span>)<\/span> {<\/span>\r\n  return<\/span>(<\/span>\r\n    <<\/span>div<\/span>><\/span>\r\n      <<\/span>h1<\/span>><\/span>Hello<\/span> World<\/span><<\/span>\/h1<\/span>>\r\n<\/span>    <<\/span>\/div<\/span>>\r\n<\/span>  );<\/span>\r\n};<\/span>\r\n<\/code><\/pre>\n
\/\/ Functional Component\uff08\u95a2\u6570\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\uff09\uff08ES6\uff08\u30a2\u30ed\u30fc\u95a2\u6570\uff09\u3067\u66f8\u3044\u305f\u5834\u5408\uff09<\/span>\r\nconst<\/span> App<\/span> =<\/span> (<\/span>props<\/span>)<\/span> =><\/span> {<\/span>\r\n  return<\/span>(<\/span>\r\n\t\t<<\/span>div<\/span>><\/span>\r\n\t\t\t<<\/span>h1<\/span>><\/span>Hello<\/span> World<\/span><<\/span>\/h1<\/span>>\r\n<\/span>\t\t<<\/span>\/div<\/span>>\r\n<\/span>  );<\/span>\r\n};<\/span>\r\n<\/code><\/pre>\n
\/\/ Functional Component\uff08\u95a2\u6570\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\uff09\uff08ES6\uff08\u30a2\u30ed\u30fc\u95a2\u6570\uff09\u3067\u66f8\u3044\u305f\u5834\u5408\uff09<\/span>\r\n\/\/ \u4ee5\u4e0b\u306e\u3088\u3046\u306b\u7121\u99c4\u306a\u90e8\u5206\u3092\u524a\u304e\u843d\u3068\u3057\u3066\u8d85\u30b7\u30f3\u30d7\u30eb\u306b\u66f8\u304f\u3053\u3068\u3082\u53ef\u80fd<\/span>\r\nconst<\/span> App<\/span> =<\/span> props<\/span> =><\/span> <<\/span>div<\/span>><<\/span>h1<\/span>><\/span>Hello<\/span> World<\/span><<\/span>\/h1><\/<\/span>div<\/span>><\/span>;<\/span>\r\n<\/code><\/pre>\n
\u5173\u4e8ereturn\u8bed\u53e5<\/h2>\n
\u5982\u679c\u53ea\u6709\u4e00\u884c\u7684\u8bdd\uff0c\u6ca1\u6709return()\u4e5f\u53ef\u4ee5\u3002
\n\u5982\u679c\u60f3\u8981\u6362\u884c\u8fdb\u884c\u63cf\u8ff0\uff0c\u5fc5\u987b\u4f7f\u7528\uff08\uff09\u6765\u6307\u5b9a\u8303\u56f4\uff0c\u5426\u5219\u4f1a\u51fa\u73b0\u9519\u8bef\u3002<\/p>\n
\u5173\u4e8e\u8fd9\u4e2a\u7247\u6bb5<\/h2>\n
\u5728React\u4e2d\uff0c\u7ec4\u4ef6\u5185\u7ecf\u5e38\u4f7f\u7528<\/p>\n
\n
\uff0c\u4f46\u662f\u901a\u8fc7\u4f7f\u7528\u53ef\u4ee5\u907f\u514d\u4e0d\u5fc5\u8981\u7684<\/p>\n
\n
\u5143\u7d20\u3002<\/p>\n
const<\/span> App<\/span> =<\/span> (<\/span>props<\/span>)<\/span> =><\/span> {<\/span>\r\n  return<\/span>(<\/span>\r\n\t\t<<\/span>div<\/span>><\/span>\r\n\t\t\t<<\/span>h1<\/span>><\/span>Hello<\/span> World<\/span><<\/span>\/h1<\/span>>\r\n<\/span>\t\t<<\/span>\/div<\/span>>\r\n<\/span>  );<\/span>\r\n};<\/span>\r\n<\/code><\/pre>\n
<div><\/span>\r\n  <h1><\/span>Hello World<\/h1><\/span>\r\n<\/div><\/span>\r\n<\/code><\/pre>\n
const<\/span> App<\/span> =<\/span> (<\/span>props<\/span>)<\/span> =><\/span> {<\/span>\r\n  return<\/span>(<\/span>\r\n\t\t<<\/span>React<\/span>.<\/span>Fragment<\/span>><\/span>\r\n\t\t\t<<\/span>h1<\/span>><\/span>Hello<\/span> World<\/span><<\/span>\/h1<\/span>>\r\n<\/span>\t\t<<\/span>\/React.Fragment<\/span>>\r\n<\/span>  );<\/span>\r\n};<\/span>\r\n<\/code><\/pre>\n
<h1><\/span>Hello World<\/h1><\/span>\r\n<\/code><\/pre>\n
const<\/span> App<\/span> =<\/span> (<\/span>props<\/span>)<\/span> =><\/span> {<\/span>\r\n  return<\/span>(<\/span>\r\n\t\t<><\/span>\r\n\t\t\t<<\/span>h1<\/span>><\/span>Hello<\/span> World<\/span><<\/span>\/h1<\/span>>\r\n<\/span>\t\t<<\/span>\/<\/span>>\r\n<\/span>  );<\/span>\r\n};<\/span>\r\n<\/code><\/pre>\n
<h1><\/span>Hello World<\/h1><\/span>\r\n<\/code><\/pre>\n
\u5173\u4e8e\u9053\u5177\u3002<\/h2>\n
props\u662f\u6307\u7ec4\u4ef6\u7684\u53c2\u6570
\n\u5728\u7236\u7ec4\u4ef6\u4e2d\u901a\u8fc7<\u5b50\u7ec4\u4ef6 \u5c5e\u6027\u540d={\u503c} \/>\u7684\u65b9\u5f0f\u4f20\u9012\uff0c\u5b50\u7ec4\u4ef6\u901a\u8fc7{props.\u5c5e\u6027\u540d}\u7684\u65b9\u5f0f\u63a5\u6536
\n\u4e0d\u8bba\u662f\u51fd\u6570\u7ec4\u4ef6\u8fd8\u662f\u7c7b\u7ec4\u4ef6\uff0c\u8bbe\u7f6e\u7684props\u7edd\u5bf9\u4e0d\u53ef\u4ee5\u6539\u53d8
\n\u8bb0\u4f4fprops\u662f\u53ea\u8bfb\u7684
\nprops\u5728\u7ec4\u4ef6\u4e4b\u95f4\u4f20\u9012\u65f6\u5fc5\u8981\uff0cstate\u5728\u7ec4\u4ef6\u5185\u90e8\u4f20\u9012\u6570\u636e\u65f6\u5fc5\u8981\uff0c\u8bb0\u4f4f\u8fd9\u70b9\u53ef\u80fd\u4f1a\u66f4\u65b9\u4fbf\u3002<\/p>\n
\u5173\u4e8e\u5dde\uff08state\uff09<\/h2>\n
\u5728React\u4e2d\uff0c”State” \u6307\u7684\u662f\u6839\u636e\u7528\u6237\u7684\u64cd\u4f5c\u800c\u53d8\u5316\u7684\u503c\u3002<\/p>\n
\/\/ Class Component\uff08\u30af\u30e9\u30b9\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\uff09<\/span>\r\nclass<\/span> App<\/span> extends<\/span> React<\/span>.<\/span>Component<\/span> {<\/span>\r\n  constructor<\/span>(<\/span>props<\/span>)<\/span> {<\/span>\r\n    super<\/span>(<\/span>props<\/span>);<\/span>\r\n    this<\/span>.<\/span>state<\/span> =<\/span> {<\/span>name<\/span>:<\/span>'<\/span>\u3007\u3007<\/span>'<\/span>};<\/span> \/\/\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3068\u3057\u3066\u5b9a\u7fa9\u3057\u305f\u3082\u306e\u3092this.state\u306b\u4ee3\u5165<\/span>\r\n  };<\/span>\r\n  render<\/span>()<\/span> {<\/span>\r\n\tconsole<\/span>.<\/span>log<\/span>(<\/span>this<\/span>.<\/span>state<\/span>);<\/span>  \/\/ {name:'\u25cb\u25cb'}\u3068\u3044\u3046\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u8868\u793a\u3055\u308c\u308b<\/span>\r\n    console<\/span>.<\/span>log<\/span>(<\/span>this<\/span>.<\/span>state<\/span>.<\/span>name<\/span>);<\/span>  \/\/ \u25cb\u25cb\u304c\u8868\u793a\u3055\u308c\u308b(this.state\u30d7\u30ed\u30d1\u30c6\u30a3\u540d)<\/span>\r\n    return<\/span>(<\/span>\r\n\t\t\t\/\/ \u7701\u7565<\/span>\r\n    );<\/span>\r\n  };<\/span>\r\n};<\/span>\r\n<\/code><\/pre>\n
\u2191\u5907\u5fd8\u5f55\uff1a\u5982\u679c\u6709\u7cbe\u529b\u7684\u8bdd\uff0c\u8bf7\u5c06\u51fd\u6570\u7ec4\u4ef6\u7684\u5199\u6cd5\u66f4\u6539\u4e3a\uff08\u53ea\u9700\u8981\u4e00\u4e2a\u9009\u9879\uff09<\/p>\n
\u63cf\u8ff0\u7236\u5b50\u7ec4\u4ef6<\/h1>\n
\u5e38\u89c4\u63cf\u8ff0<\/h2>\n
<div<\/span> id=<\/span>\"root\"<\/span>><\/div><\/span>\r\n<\/code><\/pre>\n
\/\/ \u6700\u4e0a\u4f4d\uff1f\uff08\u547c\u3073\u540d\u308f\u304b\u3089\u3093\uff09\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\uff08index.jsx\uff09<\/span>\r\nimport<\/span> React<\/span> from<\/span> \"<\/span>react<\/span>\"<\/span>;<\/span>\r\nimport<\/span> ReactDOM<\/span> from<\/span> \"<\/span>react-dom<\/span>\"<\/span>;<\/span>\r\nimport<\/span> App<\/span> from<\/span> \"<\/span>.\/components\/App<\/span>\"<\/span>;<\/span>\r\n\r\nconst<\/span> root<\/span> =<\/span> ReactDOM<\/span>.<\/span>createRoot<\/span>(<\/span>document<\/span>.<\/span>getElementById<\/span>(<\/span>\"<\/span>root<\/span>\"<\/span>));<\/span>\r\n\r\nroot<\/span>.<\/span>render<\/span>(<\/span>\r\n  <<\/span>Parent<\/span> \/><\/span>\r\n);<\/span>\r\n\r\n<\/code><\/pre>\n
\/\/ \u89aa\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\uff08parent.jsx\uff09<\/span>\r\nimport<\/span> React<\/span> from<\/span> \"<\/span>react<\/span>\"<\/span>;<\/span>\r\nimport<\/span> Child<\/span> from<\/span> '<\/span>.\/components\/Child<\/span>'<\/span>;<\/span>\r\n\r\nconst<\/span> Parent<\/span> =<\/span> ()<\/span> =><\/span> {<\/span>\r\n  return<\/span>(<\/span>\r\n\t\t<<\/span>div<\/span>><\/span>\r\n\t\t\t<<\/span>Child<\/span>\r\n\t\t\ttitle<\/span> =<\/span> {<\/span>'<\/span>Hello World<\/span>'<\/span>}<\/span>\r\n\t\t\t\/<\/span>>\r\n<\/span>\t\t<<\/span>\/div<\/span>>\r\n<\/span>  );<\/span>\r\n};<\/span>\r\n\r\nexport<\/span> default<\/span> Parent<\/span>;<\/span>\r\n<\/code><\/pre>\n
\/\/ \u5b50\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\uff08components\/child.jsx\uff09<\/span>\r\nimport<\/span> React<\/span> from<\/span> \"<\/span>react<\/span>\"<\/span>;<\/span>\r\n\r\nconst<\/span> Child<\/span> =<\/span> (<\/span>props<\/span>)<\/span> =><\/span> {<\/span>\r\n  return<\/span>(<\/span>\r\n\t\t<<\/span>div<\/span>><\/span>\r\n\t\t\t<<\/span>h1<\/span>><\/span>{<\/span>props<\/span>.<\/span>title<\/span>}<\/span><<\/span>\/h1<\/span>>\r\n<\/span>\t\t<<\/span>\/div<\/span>>\r\n<\/span>  );<\/span>\r\n};<\/span>\r\n\r\nexport<\/span> default<\/span> Child<\/span>;<\/span>\r\n<\/code><\/pre>\n
\u8f93\u51fa\u7ed3\u679c<\/p>\n
Hello World\r\n<\/code><\/pre>\n
\u7528\u5206\u5272\u4ee3\u5165\u7684\u65b9\u5f0f\u8fdb\u884c\u63cf\u8ff0<\/h2>\n
\u4e3a\u4e86\u66f4\u7b80\u6d01\u5730\u63cf\u8ff0\uff0c\u53ef\u4ee5\u4f7f\u7528\u89e3\u6784\u8d4b\u503c\u3002
\n\u901a\u8fc7\u5728{}\u4e2d\u7f16\u5199\u53c2\u6570\u540d\u79f0\uff0c\u53ef\u4ee5\u63a5\u6536\u4f20\u9012\u7684\u53c2\u6570\u3002<\/p>\n
\/\/ \u89aa\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\uff08parent.jsx\uff09<\/span>\r\nimport<\/span> React<\/span> from<\/span> \"<\/span>react<\/span>\"<\/span>;<\/span>\r\nimport<\/span> Child<\/span> from<\/span> '<\/span>.\/components\/Child<\/span>'<\/span>;<\/span>\r\n\r\nconst<\/span> Parent<\/span> =<\/span> ()<\/span> =><\/span> {<\/span>\r\n  return<\/span>(<\/span>\r\n\t\t<<\/span>div<\/span>><\/span>\r\n\t\t\t<<\/span>Child<\/span>\r\n\t\t\ttitle<\/span> =<\/span> {<\/span>'<\/span>Hello World<\/span>'<\/span>}<\/span>\r\n\t\t\t\/<\/span>>\r\n<\/span>\t\t<<\/span>\/div<\/span>>\r\n<\/span>  );<\/span>\r\n};<\/span>\r\n\r\nexport<\/span> default<\/span> Parent<\/span>;<\/span>\r\n<\/code><\/pre>\n
\/\/ \u5b50\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\uff08components\/child.js\uff09<\/span>\r\nimport<\/span> React<\/span> from<\/span> \"<\/span>react<\/span>\"<\/span>;<\/span>\r\n\r\nconst<\/span> Child<\/span> =<\/span> ({<\/span>title<\/span>})<\/span> =><\/span> {<\/span>\r\n  return<\/span>(<\/span>\r\n\t\t<<\/span>div<\/span>><\/span>\r\n\t\t\t<<\/span>h1<\/span>><\/span>{<\/span>title<\/span>}<\/span><<\/span>\/h1<\/span>>\r\n<\/span>\t\t<<\/span>\/div<\/span>>\r\n<\/span>  );<\/span>\r\n};<\/span>\r\n\r\nexport<\/span> default<\/span> Child<\/span>;<\/span>\r\n<\/code><\/pre>\n
\u8f93\u51fa\u7ed3\u679c<\/p>\n
Hello World\r\n<\/code><\/pre>\n
\u7528\u5206\u5272\u8d4b\u503c\u6cd5\u5199\u51fa\u591a\u4e2a\u53c2\u6570\u3002<\/h2>\n
\/\/ \u89aa\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\uff08parent.jsx\uff09<\/span>\r\nimport<\/span> React<\/span> from<\/span> \"<\/span>react<\/span>\"<\/span>;<\/span>\r\nimport<\/span> Child<\/span> from<\/span> '<\/span>.\/components\/Child<\/span>'<\/span>;<\/span>\r\n\r\nconst<\/span> Parent<\/span> =<\/span> ()<\/span> =><\/span> {<\/span>\r\n  return<\/span>(<\/span>\r\n\t\t<<\/span>div<\/span>><\/span>\r\n\t\t\t<<\/span>Child<\/span>\r\n\t\t\ttitle<\/span> =<\/span> {<\/span>'<\/span>Hello<\/span>'<\/span>}<\/span>\r\n\t\t\ttext<\/span> =<\/span> {<\/span>'<\/span>World<\/span>'<\/span>}<\/span>\r\n\t\t\tmessage<\/span> =<\/span> {<\/span>'<\/span>thanks<\/span>'<\/span>}<\/span>\r\n\t\t\t\/<\/span>>\r\n<\/span>\t\t<<\/span>\/div<\/span>>\r\n<\/span>  );<\/span>\r\n};<\/span>\r\n\r\nexport<\/span> default<\/span> Parent<\/span>;<\/span>\r\n<\/code><\/pre>\n
\/\/ \u5b50\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\uff08components\/child.js\uff09<\/span>\r\nimport<\/span> React<\/span> from<\/span> \"<\/span>react<\/span>\"<\/span>;<\/span>\r\n\r\nconst<\/span> Child<\/span> =<\/span> ({<\/span>title<\/span>,<\/span> text<\/span>,<\/span> message<\/span>})<\/span> =><\/span> {<\/span>\r\n  return<\/span>(<\/span>\r\n\t\t<<\/span>div<\/span>><\/span>\r\n\t\t\t<<\/span>h1<\/span>><\/span>{<\/span>title<\/span>}<\/span><<\/span>\/h1<\/span>>\r\n<\/span>\t\t\t<<\/span>p<\/span>><\/span>{<\/span>text<\/span>}<\/span><<\/span>\/p<\/span>>\r\n<\/span>\t\t\t<<\/span>p<\/span>><\/span>{<\/span>message<\/span>}<\/span><<\/span>\/p<\/span>>\r\n<\/span>\t\t<<\/span>\/div<\/span>>\r\n<\/span>  );<\/span>\r\n};<\/span>\r\n\r\nexport<\/span> default<\/span> Child<\/span>;<\/span>\r\n<\/code><\/pre>\n
\u8f93\u51fa\u7ed3\u679c<\/p>\n
Hello\r\nWorld\r\nthanks\r\n<\/code><\/pre>\n
\u5728\u5b50\u7ec4\u4ef6\u4e2d\u6307\u5b9a\u521d\u59cb\u503c\u7684\u65b9\u6cd5<\/h2>\n
\u5728\u7236\u7ec4\u4ef6\u4e2d\u53ef\u4ee5\u7701\u7565\u53c2\u6570\uff0c\u5e76\u4e14\u5982\u679c\u4e0d\u6307\u5b9a\uff0c\u9ed8\u8ba4\u4f1a\u4f7f\u7528\u8fd9\u91cc\u7684\u521d\u59cb\u503c\u3002<\/p>\n
\u8bf7\u7528\u4e2d\u6587\u5c06\u4ee5\u4e0b\u5185\u5bb9\u91cd\u65b0\u8868\u8fbe\u4e00\u904d\uff0c\u53ea\u9700\u8981\u4e00\u79cd\u8bf4\u6cd5\uff1a<\/h3>\n
\u4f8b1<\/p>\n
\/\/ \u89aa\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\uff08parent.jsx\uff09<\/span>\r\nimport<\/span> React<\/span> from<\/span> \"<\/span>react<\/span>\"<\/span>;<\/span>\r\nimport<\/span> Child<\/span> from<\/span> '<\/span>.\/components\/Child<\/span>'<\/span>;<\/span>\r\n\r\nconst<\/span> Parent<\/span> =<\/span> ()<\/span> =><\/span> {<\/span>\r\n  return<\/span>(<\/span>\r\n\t\t<<\/span>div<\/span>><\/span>\r\n\t\t\t<<\/span>Child<\/span>\r\n\t\t\t\/><\/span>\r\n\t\t<<\/span>\/div<\/span>>\r\n<\/span>  );<\/span>\r\n};<\/span>\r\n\r\nexport<\/span> default<\/span> Parent<\/span>;<\/span>\r\n<\/code><\/pre>\n
\/\/ \u5b50\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\uff08components\/child.js\uff09<\/span>\r\nimport<\/span> React<\/span> from<\/span> \"<\/span>react<\/span>\"<\/span>;<\/span>\r\n\r\nconst<\/span> Child<\/span> =<\/span> ({<\/span>title<\/span> =<\/span> '<\/span>Hello<\/span>'<\/span>,<\/span> text<\/span> =<\/span> '<\/span>World<\/span>'<\/span>,<\/span> message<\/span> =<\/span> '<\/span>thanks<\/span>'<\/span>})<\/span> =><\/span> {<\/span>\r\n  return<\/span>(<\/span>\r\n\t\t<<\/span>div<\/span>><\/span>\r\n\t\t\t<<\/span>h1<\/span>><\/span>{<\/span>title<\/span>}<\/span><<\/span>\/h1<\/span>>\r\n<\/span>\t\t\t<<\/span>p<\/span>><\/span>{<\/span>text<\/span>}<\/span><<\/span>\/p<\/span>>\r\n<\/span>\t\t\t<<\/span>p<\/span>><\/span>{<\/span>message<\/span>}<\/span><<\/span>\/p<\/span>>\r\n<\/span>\t\t<<\/span>\/div<\/span>>\r\n<\/span>  );<\/span>\r\n};<\/span>\r\n\r\nexport<\/span> default<\/span> Child<\/span>;<\/span>\r\n<\/code><\/pre>\n
\u8f93\u51fa\u7ed3\u679c (sh\u016b ch\u016b ji\u00e9 gu\u01d2)<\/p>\n
Hello\r\nWorld\r\nthanks\r\n<\/code><\/pre>\n
\u4f8b\u5982\u4e8c<\/h3>\n
\/\/ \u89aa\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\uff08parent.jsx\uff09<\/span>\r\nimport<\/span> React<\/span> from<\/span> \"<\/span>react<\/span>\"<\/span>;<\/span>\r\nimport<\/span> Child<\/span> from<\/span> '<\/span>.\/components\/child<\/span>'<\/span>;<\/span>\r\n\r\nconst<\/span> Parent<\/span> =<\/span> ()<\/span> =><\/span> {<\/span>\r\n  return<\/span>(<\/span>\r\n\t\t<<\/span>div<\/span>><\/span>\r\n\t\t\t<<\/span>Child<\/span>\r\n\t\t\ttitle<\/span> =<\/span> {<\/span>'<\/span>Hello<\/span>'<\/span>}<\/span>\r\n\t\t\ttext<\/span> =<\/span> {<\/span>'<\/span>World<\/span>'<\/span>}<\/span>\r\n\t\t\t\/<\/span>>\r\n<\/span>\t\t<<\/span>\/div<\/span>>\r\n<\/span>  );<\/span>\r\n};<\/span>\r\n\r\nexport<\/span> default<\/span> Parent<\/span>;<\/span>\r\n<\/code><\/pre>\n
\/\/ \u5b50\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\uff08components\/child.js\uff09<\/span>\r\nimport<\/span> React<\/span> from<\/span> \"<\/span>react<\/span>\"<\/span>;<\/span>\r\n\r\nconst<\/span> Child<\/span> =<\/span> ({<\/span>title<\/span>,<\/span> text<\/span>,<\/span> message<\/span> =<\/span> '<\/span>thanks<\/span>'<\/span>})<\/span> =><\/span> {<\/span>\r\n  return<\/span>(<\/span>\r\n\t\t<<\/span>div<\/span>><\/span>\r\n\t\t\t<<\/span>h1<\/span>><\/span>{<\/span>title<\/span>}<\/span><<\/span>\/h1<\/span>>\r\n<\/span>\t\t\t<<\/span>p<\/span>><\/span>{<\/span>text<\/span>}<\/span><<\/span>\/p<\/span>>\r\n<\/span>\t\t\t<<\/span>p<\/span>><\/span>{<\/span>message<\/span>}<\/span><<\/span>\/p<\/span>>\r\n<\/span>\t\t<<\/span>\/div<\/span>>\r\n<\/span>  );<\/span>\r\n};<\/span>\r\n\r\nexport<\/span> default<\/span> Child<\/span>;<\/span>\r\n<\/code><\/pre>\n
\u8f93\u51fa\u7ed3\u679c<\/p>\n
Hello\r\nWorld\r\nthanks\r\n<\/code><\/pre>\n
\u7531\u4e8e\u5728\u7236\u7ec4\u4ef6\u4e2d\u6ca1\u6709\u5c06props\u4e2d\u7684message\u4f20\u9012\u7ed9\u5b50\u7ec4\u4ef6\uff0c\u4f46\u662f\u7531\u4e8e\u5b50\u7ec4\u4ef6\u4e2d\u5df2\u7ecf\u8f93\u5165\u4e86message\u7684\u521d\u59cb\u503c\uff0c\u6240\u4ee5\u4f1a\u663e\u793a”thanks”\u3002<\/p>\n
\u7b2c\u4e09\u4e2a\u4f8b\u5b50<\/h3>\n
\/\/ \u89aa\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\uff08parent.jsx\uff09<\/span>\r\nimport<\/span> React<\/span> from<\/span> \"<\/span>react<\/span>\"<\/span>;<\/span>\r\nimport<\/span> Child<\/span> from<\/span> '<\/span>.\/components\/child<\/span>'<\/span>;<\/span>\r\n\r\nconst<\/span> Parent<\/span> =<\/span> ()<\/span> =><\/span> {<\/span>\r\n  return<\/span>(<\/span>\r\n\t\t<<\/span>div<\/span>><\/span>\r\n\t\t\t<<\/span>Child<\/span>\r\n\t\t\ttitle<\/span> =<\/span> {<\/span>'<\/span>Hello<\/span>'<\/span>}<\/span>\r\n\t\t\ttext<\/span> =<\/span> {<\/span>'<\/span>World<\/span>'<\/span>}<\/span>\r\n\t\t\tmessage<\/span> =<\/span> {<\/span>'<\/span>thanks<\/span>'<\/span>}<\/span>\r\n\t\t\t\/<\/span>>\r\n<\/span>\t\t<<\/span>\/div<\/span>>\r\n<\/span>  );<\/span>\r\n};<\/span>\r\n\r\nexport<\/span> default<\/span> Parent<\/span>;<\/span>\r\n<\/code><\/pre>\n
\/\/ \u5b50\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\uff08components\/child.js\uff09<\/span>\r\nimport<\/span> React<\/span> from<\/span> \"<\/span>react<\/span>\"<\/span>;<\/span>\r\n\r\nconst<\/span> Child<\/span> =<\/span> ({<\/span>title<\/span> =<\/span> '<\/span>\u3053\u3093\u306b\u3061\u306f<\/span>'<\/span>,<\/span> text<\/span> =<\/span> '<\/span>\u3088\u3046\u3053\u305d<\/span>'<\/span>,<\/span> message<\/span> =<\/span> '<\/span>\u3042\u308a\u304c\u3068\u3046<\/span>'<\/span>})<\/span> =><\/span> {<\/span>\r\n  return<\/span>(<\/span>\r\n\t\t<<\/span>div<\/span>><\/span>\r\n\t\t\t<<\/span>h1<\/span>><\/span>{<\/span>title<\/span>}<\/span><<\/span>\/h1<\/span>>\r\n<\/span>\t\t\t<<\/span>p<\/span>><\/span>{<\/span>text<\/span>}<\/span><<\/span>\/p<\/span>>\r\n<\/span>\t\t\t<<\/span>p<\/span>><\/span>{<\/span>message<\/span>}<\/span><<\/span>\/p<\/span>>\r\n<\/span>\t\t<<\/span>\/div<\/span>>\r\n<\/span>  );<\/span>\r\n};<\/span>\r\n\r\nexport<\/span> default<\/span> Child<\/span>;<\/span>\r\n<\/code><\/pre>\n
\u8f93\u51fa\u7ed3\u679c<\/p>\n
Hello\r\nWorld\r\nthanks\r\n<\/code><\/pre>\n
\u5b50\u7ec4\u4ef6\u4e2d\u5df2\u7ecf\u6709\u521d\u59cb\u503c\u7684\u63cf\u8ff0\uff0c\u4f46\u662f\u4f1a\u88ab\u7236\u7ec4\u4ef6\u7684\u63cf\u8ff0\u8986\u76d6\u3002<\/p>\n
\u7b2c\u56db\u4e2a\u4f8b\u5b50<\/h3>\n
\/\/ \u89aa\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\uff08parent.jsx\uff09<\/span>\r\nimport<\/span> React<\/span> from<\/span> \"<\/span>react<\/span>\"<\/span>;<\/span>\r\nimport<\/span> Child<\/span> from<\/span> '<\/span>.\/components\/child<\/span>'<\/span>;<\/span>\r\n\r\nconst<\/span> Parent<\/span> =<\/span> ()<\/span> =><\/span> {<\/span>\r\n  return<\/span>(<\/span>\r\n\t\t<<\/span>div<\/span>><\/span>\r\n\t\t\t<<\/span>Child<\/span>\r\n\t\t\ttitle<\/span> =<\/span> {<\/span>'<\/span>Hello<\/span>'<\/span>}<\/span>\r\n\t\t\ttext<\/span> =<\/span> {<\/span>'<\/span>World<\/span>'<\/span>}<\/span>\r\n\t\t\t\/<\/span>>\r\n<\/span>\t\t<<\/span>\/div<\/span>>\r\n<\/span>  );<\/span>\r\n};<\/span>\r\n\r\nexport<\/span> default<\/span> Parent<\/span>;<\/span>\r\n<\/code><\/pre>\n
\/\/ \u5b50\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\uff08components\/child.js\uff09<\/span>\r\nimport<\/span> React<\/span> from<\/span> \"<\/span>react<\/span>\"<\/span>;<\/span>\r\n\r\nconst<\/span> Child<\/span> =<\/span> ({<\/span>title<\/span> =<\/span> '<\/span>\u3053\u3093\u306b\u3061\u306f<\/span>'<\/span>,<\/span> text<\/span> =<\/span> '<\/span>\u3088\u3046\u3053\u305d<\/span>'<\/span>,<\/span> message<\/span> =<\/span> '<\/span>\u3042\u308a\u304c\u3068\u3046<\/span>'<\/span>})<\/span> =><\/span> {<\/span>\r\n  return<\/span>(<\/span>\r\n\t\t<<\/span>div<\/span>><\/span>\r\n\t\t\t<<\/span>h1<\/span>><\/span>{<\/span>title<\/span>}<\/span><<\/span>\/h1<\/span>>\r\n<\/span>\t\t\t<<\/span>p<\/span>><\/span>{<\/span>text<\/span>}<\/span><<\/span>\/p<\/span>>\r\n<\/span>\t\t\t<<\/span>p<\/span>><\/span>{<\/span>message<\/span>}<\/span><<\/span>\/p<\/span>>\r\n<\/span>\t\t<<\/span>\/div<\/span>>\r\n<\/span>  );<\/span>\r\n};<\/span>\r\n\r\nexport<\/span> default<\/span> Child<\/span>;<\/span>\r\n<\/code><\/pre>\n
\u8f93\u51fa\u7ed3\u679c<\/p>\n
Hello\r\nWorld\r\n\u3042\u308a\u304c\u3068\u3046\r\n<\/code><\/pre>\n
\u8fd9\u662f\u8fc7\u53bb\u7684\u7efc\u5408\u6a21\u5f0f\u3002<\/p>\n
\u53cd\u5e94\u94a9\u5b50<\/h1>\n
Hook\u662fReact 16.8\u7248\u672c\u4e2d\u65b0\u589e\u52a0\u7684\u529f\u80fd\u3002Hook\u53ef\u4ee5\u5728\u51fd\u6570\u7ec4\u4ef6\u4e2d\u4f7f\u7528\uff0c\u53ef\u4ee5\u8ba9\u60a8\u65e0\u9700\u7f16\u5199\u7c7b\u4e5f\u80fd\u4f7f\u7528\u50cf\u72b6\u6001\u7b49\u529f\u80fd\u3002<\/p>\n
ReactDOM<\/span>.<\/span>render<\/span>(<\/span>\r\n  <<\/span>App<\/span> \/><\/span>,<\/span>\r\n  document<\/span>.<\/span>getElementById<\/span>(<\/span>\"<\/span>app<\/span>\"<\/span>)<\/span>\r\n);<\/span>\r\n<\/code><\/pre>\n
const<\/span> root<\/span> =<\/span> ReactDOM<\/span>.<\/span>createRoot<\/span>(<\/span>document<\/span>.<\/span>getElementById<\/span>(<\/span>\"<\/span>root<\/span>\"<\/span>));<\/span>\r\nroot<\/span>.<\/span>render<\/span>(<\/span>\r\n  <<\/span>App<\/span> \/><\/span>\r\n);<\/span>\r\n<\/code><\/pre>\n
\u8fd9\u4e24\u79cd\u4ee3\u7801\u662f\u7528\u4e8e\u6e32\u67d3React\u7ec4\u4ef6\u7684\u4e0d\u540c\u65b9\u6cd5\u3002
\n\u7b2c\u4e00\u6bb5\u4ee3\u7801\u4f7f\u7528ReactDOM.render()\u65b9\u6cd5\uff0c\u5c06React\u7ec4\u4ef6\u6e32\u67d3\u5230\u6307\u5b9a\u7684HTML\u5143\u7d20\u4e2d\u3002\u5177\u4f53\u6765\u8bf4\uff0c\u5b83\u5c06App\u7ec4\u4ef6\u6e32\u67d3\u5230id\u4e3a”app”\u7684HTML\u5143\u7d20\u4e2d\u3002
\n\u7b2c\u4e8c\u6bb5\u4ee3\u7801\u4f7f\u7528ReactDOM.createRoot()\u65b9\u6cd5\u521b\u5efa\u4e86\u4e00\u4e2aReact\u6839\u5bf9\u8c61\uff0c\u5e76\u5728\u6839\u5bf9\u8c61\u4e2d\u6e32\u67d3\u7ec4\u4ef6\u3002\u5177\u4f53\u6765\u8bf4\uff0c\u5b83\u5c06App\u7ec4\u4ef6\u6e32\u67d3\u5230id\u4e3a”root”\u7684HTML\u5143\u7d20\u4e2d\u3002
\n\u5728React 18\u53ca\u66f4\u9ad8\u7248\u672c\u4e2d\uff0c\u63a8\u8350\u4f7f\u7528ReactDOM.createRoot()\u65b9\u6cd5\u5c06\u6574\u4e2a\u5e94\u7528\u7a0b\u5e8f\u5305\u88c5\u5728Root\u4e2d\u3002\u901a\u8fc7\u5c06\u5e94\u7528\u7a0b\u5e8f\u5305\u88c5\u5728Root\u4e2d\uff0c\u53ef\u4ee5\u542f\u7528React\u7684\u5f02\u6b65\u6e32\u67d3\u529f\u80fd\uff08\u5e76\u53d1\u6a21\u5f0f\uff09\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u901a\u8fc7\u5f02\u6b65\u6e32\u67d3\uff0c\u53ef\u4ee5\u6539\u5584UI\u7684\u6027\u80fd\u3002
\n\u53e6\u4e00\u65b9\u9762\uff0cReactDOM.render()\u65b9\u6cd5\u662f\u5728\u8f83\u65e7\u7248\u672c\u7684React\u4e2d\u4f7f\u7528\u7684\u65b9\u6cd5\uff0c\u4e0d\u652f\u6301\u5f02\u6b65\u6e32\u67d3\u3002
\n\u56e0\u6b64\uff0c\u901a\u8fc7\u4f7f\u7528ReactDOM.createRoot()\u65b9\u6cd5\u5c06\u6574\u4e2a\u5e94\u7528\u7a0b\u5e8f\u5305\u88c5\u5728Root\u4e2d\uff0c\u53ef\u4ee5\u5b9e\u73b0\u66f4\u5feb\u901f\u3001\u54cd\u5e94\u66f4\u597d\u7684UI\u3002<\/p>\n
\u4f7f\u7528 useState<\/h2>\n
useState\u662fHook\u7684\u4e00\u79cd\u529f\u80fd\u3002
\n“useState”\u662f\u51fd\u6570\u7ec4\u4ef6\u4e2d\u7528\u4e8e\u7ba1\u7406\u72b6\u6001\u7684\u94a9\u5b50\u3002
\n\u5b83\u662f\u51fd\u6570\u7ec4\u4ef6\u4e2d\u7ecf\u5e38\u4f7f\u7528\u7684\u94a9\u5b50\u3002
\n\u72b6\u6001\u662f\u7ec4\u4ef6\u5185\u90e8\u4fdd\u6301\u7684”\u72b6\u6001”\u3002
\n\u901a\u8fc7\u4f7f\u7528useState\uff0c\u53ef\u4ee5\u5728\u7ec4\u4ef6\u4e2d\u7ba1\u7406”\u72b6\u6001”\u3002
\n\u5b83\u7c7b\u4f3c\u4e8e\u53d8\u91cf\uff0c\u7528\u4e8e\u5728\u9700\u8981\u65f6\u4fdd\u5b58\u6570\u636e\u3002
\nProps\u662f\u4e0d\u53ef\u66f4\u6539\u7684\uff0c\u4f46\u662f\u53ef\u4ee5\u540e\u7eed\u66f4\u6539\u72b6\u6001\u3002<\/p>\n
\u53ea\u9700\u8981\u4e00\u4e2a\u9009\u9879\u3002<\/h2>\n
Q
\nimport React from “react”;\u306fReact 16\u4ee5\u524d\u306f\u5fc5\u8981\u3001React 17\u4ee5\u964d\u306f\u5fc5\u8981\u306a\u3057\u3001\u30b3\u30f3\u30d1\u30a4\u30e9\u304c\u81ea\u52d5\u3067\u30a4\u30f3\u30dd\u30fc\u30c8\u3057\u3066\u304f\u308c\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u3002
\nimport React from “react”;\u306fReact 17\u4ee5\u964d\u306f\u5fc5\u8981\u306a\u3044\u3068\u3044\u3046\u8aac\u660e\u304c\u3042\u3063\u305f\u3051\u3069\u8a18\u8ff0\u6d88\u3059\u3068\u4e0a\u624b\u304f\u3044\u304d\u307e\u305b\u3093\u3001\u306a\u305c\u3067\u3057\u3087\u3046\u304b\uff1fReact18.2.0\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
A\uff08ChatGPT\uff09
\nimport React from ‘react’\u3092\u524a\u9664\u3059\u308b\u3068\u3001React\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u4f5c\u6210\u3059\u308b\u969b\u306b\u5fc5\u8981\u306aReact\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3078\u306e\u30a2\u30af\u30bb\u30b9\u304c\u3067\u304d\u306a\u304f\u306a\u308b\u305f\u3081\u3001\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u307e\u3059\u3002React 17\u4ee5\u964d\u3001React\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3078\u306e\u30a2\u30af\u30bb\u30b9\u304c\u81ea\u52d5\u7684\u306b\u8ffd\u52a0\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u304c\u3001\u305d\u308c\u3067\u3082React\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u660e\u793a\u7684\u306b\u30a4\u30f3\u30dd\u30fc\u30c8\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001import React from ‘react’\u3092\u524a\u9664\u3059\u308b\u3053\u3068\u306f\u63a8\u5968\u3055\u308c\u307e\u305b\u3093\u3002
\nReact18.2.0\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u3067\u3082\u3001React\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u30a4\u30f3\u30dd\u30fc\u30c8\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u305f\u3081\u3001import React from ‘react’\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u30a4\u30f3\u30dd\u30fc\u30c8\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u7701\u7565\u3059\u308b\u3068\u3001React\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304c\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u306a\u304f\u306a\u308a\u3001\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u307e\u3059\u3002<\/p>\n
\u5176\u4ed6<\/h1>\n
\u4ee5\u4e0b\u662f\u4e09\u4e2a\u76f8\u5f53\u4e8eif\u6761\u4ef6\u7684\u8fd0\u7b97\u7b26\uff08\u8868\u8fbe\u5f0f\uff09\uff1a<\/h2>\n
\u5982\u679choge\u4e3a\u771f\uff0c\u5219\u4e3a”OPEN”\uff0c\u5982\u679c\u4e3a\u5047\uff0c\u5219\u4e3a”CLOSE”\u3002<\/p>\n
\u5728\u4e2d\u6587\u4e2d\uff0c\u5982\u679c\u8981\u91cd\u65b0\u8868\u8fbe\u8fd9\u53e5\u8bdd\uff0c\u53ef\u4ee5\u8bf4\uff1a\u4f7f\u7528&&\u7b26\u53f7\u4e66\u5199\u65f6\u3002<\/h2>\n
\u53ea\u6709\u5f53hoge\u4e3a\u771f\u65f6\u624d\u663e\u793a\u3002
\n&&\u4ee5\u4e0b\u53ea\u5728\u4e3a\u771f\u65f6\u624d\u663e\u793a\u3002<\/p>\n
\u5982\u679c\u9700\u8981\u4f7f\u7528Null\u5408\u5e76\u8fd0\u7b97\u7b26<\/h2>\n
{hoge === ‘A’ && ‘B’} \u7684\u4e2d\u6587\u7ffb\u8bd1\u5982\u4e0b\uff1a
\n\u5f53 hoge \u7b49\u4e8e ‘A’ \u5e76\u4e14 ‘B’ \u65f6\uff0c\u5982\u679c\u503c\u4e0d\u662f null \u6216 undefined\uff0c\u5219\u8fd4\u56de A\uff1b\u5982\u679c\u503c\u662f null \u6216 undefined\uff0c\u5219\u8fd4\u56de B\u3002
\n\u4f8b\u5982\uff0c\u5982\u679c\u6570\u7ec4\u4e2d\u5b58\u5728\u7a7a\u5b57\u7b26\u4e32\uff0c\u901a\u8fc7 filter \u65b9\u6cd5\u8fdb\u884c\u5904\u7406\u53ef\u80fd\u4f1a\u5bfc\u81f4\u9519\u8bef\u3002
\n\u4e3a\u4e86\u9632\u6b62\u6b64\u7c7b\u9519\u8bef\uff0c\u5728 null \u6216 undefined \u7684\u60c5\u51b5\u4e0b\uff0c\u4f7f\u7528 Null \u5408\u4f53\u6f14\u7b97\u5b50\u53ef\u4ee5\u5b9a\u4e49\u7a7a\u5b57\u7b26\u4e32\u7b49\u3002<\/p>\n
\u8bf7\u63d0\u4f9b\u76f8\u5173\u94fe\u63a5\u3002<\/h1>\n
\u3010React\u3011\u4ee5\u521d\u5b66\u8005\u4e3a\u76ee\u6807\u7684\u89e3\u6790\u57fa\u672c\u7ec4\u4ef6\u548c\u4f7f\u7528\u65b9\u6cd5\uff01React Hooks\u5165\u95e8<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"
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