{"id":4725,"date":"2025-05-28T13:14:10","date_gmt":"2025-06-04T06:12:10","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=4725"},"modified":"2025-06-04T13:14:10","modified_gmt":"2025-06-04T06:12:10","slug":"%e8%a7%a3%e6%b1%bareact-js%e4%b8%ad%e7%9a%84%e3%80%8c%e5%83%85%e8%83%bd%e6%9c%89%e4%b8%80%e5%80%8b%e5%ae%b9%e5%99%a8%e5%85%83%e7%b4%a0%e3%80%8d%e9%8c%af%e8%aa%a4","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/react-js\/%e8%a7%a3%e6%b1%bareact-js%e4%b8%ad%e7%9a%84%e3%80%8c%e5%83%85%e8%83%bd%e6%9c%89%e4%b8%80%e5%80%8b%e5%ae%b9%e5%99%a8%e5%85%83%e7%b4%a0%e3%80%8d%e9%8c%af%e8%aa%a4\/","title":{"rendered":"\u89e3\u6c7a React.js \u4e2d\u7684 “\u50c5\u80fd\u6709\u4e00\u500b\u5bb9\u5668\u5143\u7d20” \u932f\u8aa4\uff1a\u5168\u9762\u6307\u5357"},"content":{"rendered":"

<\/p>\n

\u5168\u9762\u89e3\u6c7a React.js \u4e2d\u7684 “\u50c5\u80fd\u6709\u4e00\u500b\u5bb9\u5668\u5143\u7d20” \u932f\u8aa4<\/h1>\n

\u5728\u7576\u4eca\u7684\u7db2\u9801\u958b\u767c\u4e2d\uff0cReact.js \u4f5c\u70ba\u4e00\u500b\u6d41\u884c\u7684 JavaScript \u5eab\uff0c\u5df2\u6210\u70ba\u958b\u767c\u9ad8\u6548\u7528\u6236\u7aef\u61c9\u7528\u7684\u9996\u9078\u3002\u7136\u800c\uff0c\u8a31\u591a\u958b\u767c\u8005\u5728\u4f7f\u7528\u904e\u7a0b\u4e2d\u53ef\u80fd\u6703\u9047\u5230\u4e00\u500b\u5e38\u898b\u7684\u932f\u8aa4\uff1a\u201cError: There should be only one container element in a DOM\u201d\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u9019\u4e00\u932f\u8aa4\u7684\u6210\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\uff0c\u5e6b\u52a9\u60a8\u66f4\u9806\u5229\u5730\u958b\u5c55 React \u958b\u767c\u3002<\/p>\n

\u4e86\u89e3 “\u50c5\u80fd\u6709\u4e00\u500b\u5bb9\u5668\u5143\u7d20” \u932f\u8aa4<\/h2>\n

\u201cError: There should be only one container element in a DOM\u201d \u932f\u8aa4\u662f React.js \u4e2d\u6700\u5e38\u898b\u7684\u554f\u984c\u4e4b\u4e00\u3002\u5b83\u8868\u793a\u5728\u60a8\u7684\u7d44\u4ef6\u4e2d\u5b58\u5728\u591a\u500b\u6839\u5bb9\u5668\u5143\u7d20\uff0c\u800c React.js \u53ea\u5141\u8a31\u4f7f\u7528\u4e00\u500b\u3002\u5728 React \u4e2d\uff0c\u6240\u6709\u7684\u7d44\u4ef6\u5fc5\u9808\u88ab\u5305\u88f9\u5728\u4e00\u500b\u55ae\u4e00\u7684\u6839\u5143\u7d20\u4e2d\uff0c\u4ee5\u4fbf\u65bc\u6e32\u67d3\u3002<\/p>\n

\u70ba\u4ec0\u9ebc\u6703\u767c\u751f\u9019\u500b\u932f\u8aa4\uff1f<\/h2>\n

\u9019\u500b\u932f\u8aa4\u901a\u5e38\u662f\u56e0\u70ba\u60a8\u7684\u5143\u4ef6\u8fd4\u56de\u4e86\u591a\u500b\u5144\u5f1f\u5143\u7d20\uff0c\u800c\u6c92\u6709\u5305\u88f9\u5728\u4e00\u500b\u7236\u5bb9\u5668\u4e2d\u3002React \u9700\u8981\u4e00\u500b\u55ae\u4e00\u7684\u5bb9\u5668\u5143\u7d20\u4f86\u9032\u884c\u6e32\u67d3\uff0c\u5426\u5247\u5c07\u7121\u6cd5\u6b63\u78ba\u8655\u7406 DOM \u7d50\u69cb\u3002<\/p>\n

\u5982\u4f55\u4fee\u6b63 “\u50c5\u80fd\u6709\u4e00\u500b\u5bb9\u5668\u5143\u7d20” \u932f\u8aa4\uff1f<\/h2>\n

\u70ba\u4e86\u89e3\u6c7a\u9019\u500b\u554f\u984c\uff0c\u60a8\u9700\u8981\u78ba\u4fdd\u7d44\u4ef6\u4e2d\u53ea\u8fd4\u56de\u4e00\u500b\u6839\u5bb9\u5668\u5143\u7d20\u3002\u4e0b\u9762\u662f\u4fee\u6b63\u7684\u7bc4\u4f8b\u7a0b\u5f0f\u78bc\uff1a<\/p>\n

“`javascript
\nimport React from ‘react’;<\/p>\n

const App = () => {
\n return (<\/p>\n

\n

Hello World!<\/h1>\n

\u9019\u662f\u4e00\u500b\u7c21\u55ae\u7684 React \u7d44\u4ef6\u793a\u7bc4\u3002<\/p>\n<\/p><\/div>\n

);
\n};<\/p>\n

export default App;
\n“`<\/p>\n

\u5728\u9019\u6bb5\u7a0b\u5f0f\u78bc\u4e2d\uff0c\u6211\u5011\u4f7f\u7528\u4e00\u500b `<\/p>\n

` \u4f5c\u70ba\u5bb9\u5668\u4f86\u5305\u88f9\u6240\u6709\u5167\u5bb9\uff0c\u9019\u6a23\u5c31\u907f\u514d\u4e86\u591a\u500b\u5bb9\u5668\u5143\u7d20\u7684\u554f\u984c\u3002<\/p>\n

\u7e3d\u7d50<\/h2>\n

\u5728\u9019\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u5011\u63a2\u8a0e\u4e86 React.js \u4e2d\u7684\u201c\u50c5\u80fd\u6709\u4e00\u500b\u5bb9\u5668\u5143\u7d20\u201d\u932f\u8aa4\u53ca\u5176\u539f\u56e0\uff0c\u4e26\u63d0\u4f9b\u4e86\u4e00\u500b\u7c21\u55ae\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u70ba\u4e86\u907f\u514d\u6b64\u932f\u8aa4\uff0c\u8acb\u52d9\u5fc5\u78ba\u4fdd\u6bcf\u500b\u7d44\u4ef6\u90fd\u53ea\u8fd4\u56de\u4e00\u500b\u6839\u5143\u7d20\u3002\u9019\u4e0d\u50c5\u80fd\u63d0\u5347\u60a8\u7684\u958b\u767c\u6548\u7387\uff0c\u9084\u80fd\u4f7f\u60a8\u7684\u61c9\u7528\u7a0b\u5f0f\u66f4\u52a0\u7a69\u5b9a\u3002<\/p>\n

\u5e0c\u671b\u9019\u7bc7\u6587\u7ae0\u80fd\u5e6b\u52a9\u60a8\u66f4\u597d\u5730\u7406\u89e3\u548c\u89e3\u6c7a React.js \u4e2d\u7684\u5bb9\u5668\u5143\u7d20\u932f\u8aa4\uff0c\u8b93\u60a8\u7684\u958b\u767c\u4e4b\u65c5\u66f4\u52a0\u9806\u5229\uff01<\/p>\n

—<\/p>\n","protected":false},"excerpt":{"rendered":"

\u5728\u4f7f\u7528React.js\u6642\uff0c\u6709\u6642\u6703\u9047\u5230\u300c\u50c5\u80fd\u6709\u4e00\u500b\u5bb9\u5668\u5143\u7d20\u300d\u7684\u932f\u8aa4\uff0c\u672c\u6587\u5c07\u8a73\u7d30\u4ecb\u7d39\u5982\u4f55\u89e3\u6c7a\u6b64\u932f\u8aa4\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u6709\u7528\u7684\u6280\u5de7\uff0c\u8b93\u4f60\u80fd\u5920\u66f4\u6709\u6548\u5730\u4f7f\u7528React.js\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[184,183],"tags":[182,181],"class_list":["post-4725","post","type-post","status-publish","format-standard","hentry","category-react","category-react-js","tag-react","tag-react-js"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack-related-posts":[],"jetpack_shortlink":"https:\/\/wp.me\/pcFK27-1ed","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/4725","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/comments?post=4725"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/4725\/revisions"}],"predecessor-version":[{"id":4726,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/4725\/revisions\/4726"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=4725"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=4725"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=4725"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}