{"id":38635,"date":"2023-08-07T12:36:25","date_gmt":"2023-08-21T23:33:03","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/react-%e4%ba%8b%e4%bb%b6%e5%a4%84%e7%90%86%e7%a8%8b%e5%ba%8f%e7%9a%84%e9%99%b7%e9%98%b1%e4%b8%8e%e5%85%8b%e6%9c%8d%e6%96%b9%e6%b3%95%e3%80%82\/"},"modified":"2024-04-30T17:24:53","modified_gmt":"2024-04-30T09:24:53","slug":"react-%e4%ba%8b%e4%bb%b6%e5%a4%84%e7%90%86%e7%a8%8b%e5%ba%8f%e7%9a%84%e9%99%b7%e9%98%b1%e4%b8%8e%e5%85%8b%e6%9c%8d%e6%96%b9%e6%b3%95%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/react-%e4%ba%8b%e4%bb%b6%e5%a4%84%e7%90%86%e7%a8%8b%e5%ba%8f%e7%9a%84%e9%99%b7%e9%98%b1%e4%b8%8e%e5%85%8b%e6%9c%8d%e6%96%b9%e6%b3%95%e3%80%82\/","title":{"rendered":"React \u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u7684\u9677\u9631\u4e0e\u514b\u670d\u65b9\u6cd5"},"content":{"rendered":"

\u9996\u5148<\/h1>\n

\u4f60\u597d\uff0c\u6211\u662fKazuya(@bearone236)\uff01\u8fd9\u6b21\u6211\u4eec\u5c06\u91cd\u70b9\u4ecb\u7ecdReact\u7684\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\uff0c\u5e76\u8be6\u7ec6\u89e3\u91ca\u5176\u529f\u80fd\u548c\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u7684\u884c\u4e3a\u3002<\/p>\n

React\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u6846\u67b6\uff0c\u4e8b\u4ef6\u5904\u7406\u4e5f\u662f\u5176\u4e2d\u7684\u4e00\u90e8\u5206\u3002\u7136\u800c\uff0c\u5982\u679c\u4f7f\u7528\u4e0d\u6b63\u786e\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u5947\u602a\u7684\u884c\u4e3a\u3002<\/p>\n

\u5728\u8fd9\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u5c06\u89e3\u91ca\u6211\u5728\u4f7f\u7528React\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u65f6\u9047\u5230\u7684\u95ee\u9898\u4ee5\u53ca\u89e3\u51b3\u65b9\u6cd5\u3002\u6211\u4eec\u8fd8\u5c06\u4e00\u8d77\u63a2\u8ba8React\u548cJavaScript\u7684\u534f\u4f5c\u95ee\u9898?\u3002<\/p>\n

\u8fd9\u6b21\u6211\u4eec\u4e0d\u4f1a\u8be6\u7ec6\u89e3\u91caReact\uff0c\u4f46\u662f\u5982\u679c\u6709\u65f6\u95f4\u7684\u8bdd\uff0c\u6211\u60f3\u5728\u53e6\u4e00\u7bc7\u535a\u5ba2\u4e2d\u603b\u7ed3React\u5b66\u4e60\u7684\u5fc5\u5907\u77e5\u8bc6\uff0c\u5982\u865a\u62dfDOM\u548c\u6e32\u67d3\u7b49\u3002<\/div>\n

\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u662f\u4ec0\u4e48\uff1f<\/h1>\n

\u4e00\u822c\u800c\u8a00\uff0c\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u6307\u7684\u662f\u5f53\u4e8b\u4ef6\u89e6\u53d1\u65f6\u6267\u884c\u7684\u4ee3\u7801\u5757\u6216\u51fd\u6570\uff08\u901a\u5e38\u662f\u7528\u6237\u5b9a\u4e49\u7684 JavaScript \u51fd\u6570\uff09\u3002<\/p>\n

\u5728React\u4e2d\uff0c\u53ef\u4ee5\u5728JSX\u4ee3\u7801\u4e2d\u7f16\u5199\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\uff0c\u4ee5\u54cd\u5e94\u7528\u6237\u4ea4\u4e92\uff0c\u4f8b\u5982\u70b9\u51fb\u3001\u8868\u5355\u8f93\u5165\u3001\u7a97\u53e3\u5904\u7406\u548c\u9f20\u6807\u5904\u7406\u7b49\u3002<\/p>\n

\n

\u56e0\u6b64\uff0c\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u6709\u65f6\u4e5f\u88ab\u79f0\u4e3a “\u4e8b\u4ef6\u89e6\u53d1\u5668”\u3002<\/p>\n

\u5728\u8fd9\u6b21\u6d3b\u52a8\u5904\u7406\u51fd\u6570\u7684\u4f20\u9012\u4e2d\uff0c\u6211\u4eec\u89c2\u5bdf\u5230\u610f\u5916\u7684\u884c\u4e3a\u3002\u6211\u4eec\u5c06\u8fdb\u884c\u66f4\u6df1\u5165\u7684\u7814\u7a76\u3002\u8fd9\u4e9b\u90fd\u662f\u5f00\u53d1\u6240\u9700\u7684\u77e5\u8bc6\uff0c\u8bf7\u52a1\u5fc5\u5728\u8fd9\u91cc\u5b66\u4e60\u3002<\/p>\n

\u5982\u679c\u60a8\u5bf9\u6b64\u6b21\u7684\u64cd\u4f5c\u548c\u95ee\u9898\u89e3\u51b3\u65b9\u6848\u6709\u5174\u8da3\uff0c\u53ef\u4ee5\u5728 React \u5b98\u65b9\u7f51\u7ad9\u4e2d\u627e\u5230\u5177\u4f53\u7684\u8be6\u60c5\uff0c\u8bf7\u52a1\u5fc5\u9605\u8bfb\u3002<\/div>\n

5\u4e2a\u610f\u5916\u884c\u4e3a<\/h1>\n

\u3010\u610f\u5916\u306a\u52d5\u4f5c 1\u3011\u4f7f\u7528useState\u94a9\u5b50\u7684\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f<\/h2>\n

\u4e0b\u9762\u7684\u4ee3\u7801\u662f\u901a\u8fc7\u70b9\u51fb\u6309\u94ae\u89e6\u53d1 onClick \u51fd\u6570\uff0c\u5e76\u4f7f\u7528 useState \u6765\u9010\u6e10\u589e\u52a0 count \u53d8\u91cf\u7684\u9884\u671f\u63cf\u8ff0\u3002<\/p>\n

<<\/span>button<\/span> onClick<\/span>=<\/span>{<\/span>setCount<\/span>(<\/span>count<\/span> +<\/span> 1<\/span>)<\/span>}<\/span>><\/span>Click<\/<\/span>button<\/span>><\/span>\r\n<\/code><\/pre>\n
\u5f53\u58f0\u660e\u6b64\u4e8b\u65f6\uff0c\u5c06\u51fa\u73b0\u201c\u592a\u591a\u6b21\u91cd\u6e32\u67d3\u3002React\u9650\u5236\u6e32\u67d3\u6b21\u6570\u4ee5\u9632\u6b62\u65e0\u9650\u5faa\u73af\u201d\u7684\u9519\u8bef\u4fe1\u606f\u3002\uff08\u65e0\u9650\u5faa\u73af\uff09<\/p>\n
\u636e\u8bf4\uff0c\u8fd9\u662f\u7531\u4e8e\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u672c\u8eab\u76f4\u63a5\u9020\u6210\u7684\uff0c\u4f46\u662fuseState\u548c\u6e32\u67d3\u4e5f\u4e0e\u65e0\u9650\u5faa\u73af\u95ee\u9898\u6709\u5173\u3002<\/p>\n
\u8fd9\u91cc\u4e0d\u5177\u4f53\u89e3\u91ca\u4e86\uff0c\u4f46\u7b80\u5355\u6765\u8bf4\uff0cReact \u6709\u4e00\u4e2a\u6761\u4ef6\u7528\u6765\u5224\u65ad\u4f55\u65f6\u8fdb\u884c\u6e32\u67d3\uff0c\u5c31\u662f\u5f53\u72b6\u6001\u66f4\u65b0\u65f6\u3002useState\u51fd\u6570\u7528\u4e8e\u8ba1\u6570\uff0c\u6bcf\u6b21\u8c03\u7528useCount\u51fd\u6570\u65f6\u90fd\u4f1a\u66f4\u65b0\u72b6\u6001\uff0c\u4ece\u800c\u5bfc\u81f4\u91cd\u65b0\u6e32\u67d3\u3002<\/p>\n
\u3010\u975e\u9884\u671f\u7684\u884c\u4e3a 2\u3011 \u4f7f\u7528\u63a7\u5236\u53f0\u7684\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f<\/h2>\n
\u8fd9\u6bb5\u4ee3\u7801\u662f\u6839\u636e\u731c\u6d4b\uff0c\u6bcf\u6b21\u70b9\u51fb\u6309\u94ae\u65f6\u90fd\u4f1a\u8f93\u51fa console.log(‘test’)\u3002<\/p>\n
<<\/span>button<\/span> onClick<\/span>=<\/span>{<\/span>console<\/span>.<\/span>log<\/span>(<\/span>\"<\/span>test<\/span>\"<\/span>)<\/span>}<\/span>><\/span>Click<\/<\/span>button<\/span>><\/span>\r\n<\/code><\/pre>\n
\u3010\u5b9f\u884c\u7d50\u679c\u3011\r\n\r\n(\u4f55\u5ea6\u30af\u30ea\u30c3\u30af\u3057\u3066\u3082\u4f55\u3082\u8868\u793a\u3055\u308c\u306a\u3044)\r\n<\/code><\/pre>\n
\u5728\u5177\u6709 onClick \u5c5e\u6027\u7684\u4ee3\u7801\u4e2d\uff0c\u5f53\u7ec4\u4ef6\u6e32\u67d3\u65f6\uff0cconsole.log(“test”) \u5c06\u88ab\u6267\u884c\u3002<\/p>\n
\u8fd9\u662f\u7531\u4e8eJavaScript\u6267\u884cconsole.log(“test”)\u5e76\u5c06\u5176\u8fd4\u56de\u503c\uff08\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\u662fundefined\uff09\u8bbe\u7f6e\u4e3aonClick\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u800c\u5bfc\u81f4\u7684\u884c\u4e3a\u3002<\/p>\n
\u2192 \u56e0\u6b64\uff0c\u5728\u5b9e\u9645\u70b9\u51fb\u6309\u94ae\u65f6\u4e0d\u4f1a\u53d1\u751f\u4efb\u4f55\u4e8b\u60c5\u3002<\/p>\n
\u3010\u4e0d\u671f\u671b\u7684\u884c\u4e3a 3\u3011\u5f53\u5411\u51fd\u6570\u4f20\u9012\u53c2\u6570\u65f6\u7684\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u3002<\/h2>\n
export<\/span> default<\/span> function<\/span> App<\/span>()<\/span> {<\/span>\r\n  const<\/span> e<\/span> =<\/span> 0<\/span>;<\/span>\r\n  function<\/span> handleChange<\/span>(<\/span>e<\/span>)<\/span> {<\/span>\r\n    console<\/span>.<\/span>log<\/span>(<\/span>`test: <\/span>${<\/span>e<\/span>}<\/span>`<\/span>);<\/span>\r\n  }<\/span>\r\n  return <\/span>(<\/span>\r\n    <<\/span>div<\/span>><\/span>\r\n      <<\/span>button<\/span> onClick<\/span>=<\/span>{<\/span>handleChange<\/span>(<\/span>e<\/span>)<\/span>}<\/span>><\/span>Count<\/<\/span>button<\/span>><\/span>\r\n    <\/<\/span>div<\/span>><\/span>\r\n  );<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u3010\u5b9f\u884c\u7d50\u679c\u3011\r\n\r\n(\u4f55\u5ea6\u30af\u30ea\u30c3\u30af\u3057\u3066\u3082\u4f55\u3082\u8868\u793a\u3055\u308c\u306a\u3044)\r\n<\/code><\/pre>\n
\u4f7f\u7528\u51fd\u6570\u53c2\u6570\u6267\u884c\u4e86\u4e0e\u793a\u4f8b2\u76f8\u540c\u7684\u64cd\u4f5c\uff0c\u4f46\u89c2\u5bdf\u5230\u4e86\u4e0a\u8ff0\u76f8\u4f3c\u7684\u8f93\u51fa\u7ed3\u679c\u3002<\/p>\n
\u3010\u4e0d\u7b26\u5408\u9884\u671f\u7684\u884c\u4e3a 4-1\u3011\u4f7f\u7528\u65e0\u53c2\u6570\u51fd\u6570\u7684\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f<\/h2>\n
export<\/span> default<\/span> function<\/span> App<\/span>()<\/span> {<\/span>\r\n  function<\/span> handleChange<\/span>()<\/span> {<\/span>\r\n    console<\/span>.<\/span>log<\/span>(<\/span>\"<\/span>test<\/span>\"<\/span>);<\/span>\r\n  }<\/span>\r\n  return <\/span>(<\/span>\r\n    <<\/span>div<\/span>><\/span>\r\n      <<\/span>button<\/span> onClick<\/span>=<\/span>{<\/span>handleChange<\/span>}<\/span>><\/span>Count<\/<\/span>button<\/span>><\/span>\r\n    <\/<\/span>div<\/span>><\/span>\r\n  );<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u901a\u8fc7\u5982\u6b64\u5f62\u5f0f\u7684\u5b9a\u4e49\u51fd\u6570\u5e76\u5728 JSX \u63cf\u8ff0\u4e4b\u5916\u89e6\u53d1\uff0c\u53ef\u4ee5\u770b\u5230\u6b63\u5e38\u8fd0\u884c\u7684\u7ed3\u679c\u3002<\/p>\n
\u53ef\u4ee5\u901a\u8fc7\u5c06\u6319\u52d51\u4e2d\u7684useState\u94a9\u5b50\u4ee3\u7801\u66f4\u6539\u4e3a\u76f8\u540c\u7684\u683c\u5f0f\u6765\u5b9e\u73b0\u6b63\u5e38\u5de5\u4f5c\u3002<\/p>\n
\u3010\u610f\u5916\u306a\u6319\u52d5 4-2\u3011 \u4f7f\u7528\u5e26\u53c2\u6570\u4f46\u65e0\u8fd4\u56de\u503c\u7684\u51fd\u6570\u4f5c\u4e3a\u4e8b\u4ef6\u5904\u7406\u5668\u3002<\/h2>\n
export<\/span> default<\/span> function<\/span> App<\/span>()<\/span> {<\/span>\r\n  function<\/span> handleChange<\/span>()<\/span> {<\/span>\r\n    console<\/span>.<\/span>log<\/span>(<\/span>\"<\/span>test<\/span>\"<\/span>);<\/span>\r\n  }<\/span>\r\n  return <\/span>(<\/span>\r\n    <<\/span>div<\/span>><\/span>\r\n      <<\/span>button<\/span> onClick<\/span>=<\/span>{<\/span>handleChange<\/span>()<\/span>}<\/span>><\/span>Count<\/<\/span>button<\/span>><\/span>\r\n    <\/<\/span>div<\/span>><\/span>\r\n  );<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u3010\u5b9f\u884c\u7d50\u679c\u3011\r\n\r\n(\u4f55\u5ea6\u30af\u30ea\u30c3\u30af\u3057\u3066\u3082\u4f55\u3082\u8868\u793a\u3055\u308c\u306a\u3044)\r\n<\/code><\/pre>\n
\u7136\u800c\uff0c\u5f53\u5728\u51fd\u6570\u4e2d\u4f7f\u7528\u53c2\u6570\u65f6\uff0c\u53ef\u80fd\u4f1a\u51fa\u73b0\u610f\u6599\u4e4b\u5916\u7684\u884c\u4e3a\u3002<\/p>\n
\u2192 \u51fd\u6570\u4f20\u53c2\u662f\u5426\u6709\u95ee\u9898…\uff1f
\n\u2192 \u662f\u5426\u5b58\u5728\u6709\u65e0\u53c2\u6570\u7684\u533a\u522b…\uff1f<\/p>\n
\u89e3\u51b3\uff01 !)<\/h1>\n
\u5728 React \u516c\u5f0f\u6587\u6863\u7684\u201c\u9677\u9631\u201d\u90e8\u5206\u4e2d\uff0c\u5305\u542b\u4e86\u6240\u6709\u7591\u95ee\u7684\u89e3\u7b54\u3002<\/p>\n
\u3010\u5f53\u9700\u8981\u4f7f\u7528\u51fd\u6570\u4f5c\u4e3a\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u65f6\u3011<\/h3>\n
\n
\n\u95a2\u6570\u3092\u6e21\u3059 (\u6b63\u3057\u3044 \u2b55\ufe0f)\u95a2\u6570\u3092\u547c\u3073\u51fa\u3059(\u9593\u9055\u3044 \u274c\u00a0)\u30b3\u30fc\u30c9<button onClick={handleClick}><\/code><button onClick={handleClick()}><\/code>\u51e6\u7406handleClick \u95a2\u6570\u304c onClick \u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u3068\u3057\u3066\u6e21\u3055\u308c\u3066\u3044\u308bhandleClick()\u306e\u672b\u5c3e\u306b\u7a7a\u306e()\u304c\u5b58\u5728\u3057\u3066\u3044\u308b\u8a73\u7d30React \u306b\u3053\u306e\u95a2\u6570\u3092\u899a\u3048\u3066\u3082\u3089\u3044\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u30a2\u30af\u30b7\u30e7\u30f3\u3092\u884c\u3063\u305f\u6642\u306b\u306e\u307f\u30b3\u30fc\u30eb\u3059\u308b\u3088\u3046\u306b\u6307\u793a\u3057\u3066\u3044\u308b\u30a2\u30af\u30b7\u30e7\u30f3\u3092\u5fc5\u8981\u3068\u305b\u305a\u3001\u30ec\u30f3\u30c0\u30fc\u306e\u969b\u306b\u3059\u3050\u306b\u5b9f\u884c\u3055\u308c\u3066\u3057\u307e\u3046<\/div>\n<\/div>\n
\u2192 JSX \u4e2d\u7684\u4ee3\u7801\u5c06\u7acb\u5373\u6267\u884c<\/p>\n
\u203b “\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u4e2d\u4f20\u9012\u7684\u51fd\u6570\u5e94\u8be5\u662f’\u4f20\u9012’\u800c\u4e0d\u662f’\u8c03\u7528'”<\/div>\n
\u5728\u5b9a\u4e49\u51fd\u6570\u65f6\uff0c\u65e0\u8bba\u662f\u51fd\u6570\u58f0\u660e\u8fd8\u662f\u7bad\u5934\u51fd\u6570\uff0c\u90fd\u9700\u8981\u4f7f\u7528\u53c2\u6570\u6765\u6267\u884c\u201c\u4f20\u9012\u51fd\u6570\u201d\u7684\u64cd\u4f5c\uff01<\/p>\n
\n
\u5f53\u9700\u8981\u5728\u5185\u8054\u4ee3\u7801\u4e2d\u76f4\u63a5\u4f7f\u7528\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u65f6\u3002<\/h3>\n
\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u8bf4\u660e\u5982\u4f55\u5728JSX\u4e2d\u7f16\u5199\u5185\u8054\u4ee3\u7801\u3002<\/p>\n
\n
\n\u95a2\u6570\u3092\u6e21\u3059 (\u6b63\u3057\u3044 \u2b55\ufe0f)\u95a2\u6570\u3092\u547c\u3073\u51fa\u3059(\u9593\u9055\u3044 \u274c)\u30b3\u30fc\u30c9<button onClick={() \u21d2 console.log(\u2019\u2026\u2019)}><\/code><button onClick={console.log(\u2019\u2026\u2019)}><\/code>\u51e6\u7406\u30a2\u30ed\u30fc\u95a2\u6570(\u7121\u540d\u95a2\u6570)\u3092\u7528\u3044\u3066\u30a4\u30f3\u30e9\u30a4\u30f3\u30b3\u30fc\u30c9\u30e9\u30c3\u30d7\u3057\u3066\u3044\u308b\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9onClick\u306b\u76f4\u63a5\u30a4\u30f3\u30e9\u30a4\u30f3\u30b3\u30fc\u30c9\u3092\u8a18\u8f09\u3057\u3066\u3044\u308b\u8a73\u7d30\u30ec\u30f3\u30c0\u30fc\u3054\u3068\u306b\u4e2d\u306e\u30b3\u30fc\u30c9\u304c\u5b9f\u884c\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u5f8c\u3067\u547c\u3073\u51fa\u3055\u308c\u308b\u3079\u304d\u95a2\u6570\u3092\u4f5c\u6210\u3057\u305f\u3053\u3068\u306b\u306a\u308b\u30af\u30ea\u30c3\u30af\u3057\u305f\u6642\u3067\u306f\u306a\u304f\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304c\u30ec\u30f3\u30c0\u30fc\u3055\u308c\u308b\u305f\u3073\u306b\u5b9f\u884c\u3055\u308c\u307e\u3059<\/div>\n<\/div>\n
\u5f53\u4f7f\u7528 useState \u65f6\uff0cstate \u5c06\u4e0d\u65ad\u66f4\u65b0\uff0c\u8fbe\u5230\u4e86”\u65e0\u9650\u5faa\u73af”\u7684\u5b8c\u6210\u3002<\/p>\n
\u603b\u7ed3<\/h1>\n
\u5728JSX\u7684\u5916\u90e8\u800c\u4e0d\u662f\u5185\u8054\u5b9a\u4e49\u51fd\u6570\u65f6\uff0c\u7f16\u5199\u4e0d\u9700\u8981\u53c2\u6570\u7684”\u4f20\u9012\u51fd\u6570\u7684\u64cd\u4f5c”\u3002<\/h4>\n
2. \u5728 JSX \u4e2d\u60f3\u8981\u5185\u5d4c\u7684\u65f6\u5019\uff0c\u9700\u8981\u7528\u7bad\u5934\u51fd\u6570\u6765\u7f16\u5199\u5904\u7406\u3002<\/h4>\n
\u53ea\u8981\u4f60\u9700\u8981\u5728\u51fd\u6570\u4e2d\u4f7f\u7528\u53c2\u6570\uff0c\u5c31\u4f7f\u7528\u7bad\u5934\u51fd\u6570\u8fdb\u884c\u5b9a\u4e49\uff01\uff08\u4ee5\u4e0b\u662f\u4ee3\u7801\u793a\u4f8b\uff09<\/h4>\n
\u3010\u4f7f\u7528TypeScript\u64b0\u5199\u7684\u53c2\u8003\u4ee3\u7801\u3011<\/p>\n
export<\/span> const<\/span> Board<\/span>:<\/span> React<\/span>.<\/span>FC<\/span><<\/span>BoardProps<\/span>><\/span> =<\/span> ({<\/span> squares<\/span>,<\/span> onClick<\/span> })<\/span> =><\/span> {<\/span>\r\n  const<\/span> callSquare<\/span> =<\/span> (<\/span>i<\/span>:<\/span> number<\/span>)<\/span> =><\/span> {<\/span>\r\n    return<\/span> <<\/span>Square<\/span> value<\/span>=<\/span>{<\/span>squares<\/span>[<\/span>i<\/span>]<\/span>}<\/span> onClick<\/span>=<\/span>{<\/span>()<\/span> =><\/span> onClick<\/span>(<\/span>i<\/span>)<\/span>}<\/span> \/>;<\/span>\r\n  };<\/span>\r\n\r\n  return <\/span>(<\/span>\r\n    <<\/span>div<\/span>><\/span>\r\n      <<\/span>div<\/span> className<\/span>=<\/span>\"board-row\"<\/span>><\/span>\r\n        {<\/span>callSquare<\/span>(<\/span>0<\/span>)<\/span>}<\/span>\r\n        {<\/span>callSquare<\/span>(<\/span>1<\/span>)<\/span>}<\/span>\r\n        {<\/span>callSquare<\/span>(<\/span>2<\/span>)<\/span>}<\/span>\r\n      <\/<\/span>div<\/span>><\/span>\r\n      <<\/span>div<\/span> className<\/span>=<\/span>\"board-row\"<\/span>><\/span>\r\n        {<\/span>callSquare<\/span>(<\/span>3<\/span>)<\/span>}<\/span>\r\n        {<\/span>callSquare<\/span>(<\/span>4<\/span>)<\/span>}<\/span>\r\n        {<\/span>callSquare<\/span>(<\/span>5<\/span>)<\/span>}<\/span>\r\n      <\/<\/span>div<\/span>><\/span>\r\n      <<\/span>div<\/span> className<\/span>=<\/span>\"board-row\"<\/span>><\/span>\r\n        {<\/span>callSquare<\/span>(<\/span>6<\/span>)<\/span>}<\/span>\r\n        {<\/span>callSquare<\/span>(<\/span>7<\/span>)<\/span>}<\/span>\r\n        {<\/span>callSquare<\/span>(<\/span>8<\/span>)<\/span>}<\/span>\r\n      <\/<\/span>div<\/span>><\/span>\r\n    <\/<\/span>div<\/span>><\/span>\r\n  );<\/span>\r\n};<\/span>\r\n<\/code><\/pre>\n
\u6587\u732e\u5f15\u7528<\/h1>\n
 <\/p>\n","protected":false},"excerpt":{"rendered":"
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