{"id":4716,"date":"2023-01-04T17:51:02","date_gmt":"2023-01-04T09:51:02","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=4716"},"modified":"2023-01-04T17:51:02","modified_gmt":"2023-01-04T09:51:02","slug":"%e8%a7%a3%e6%b1%bareact-js%e4%b8%ad%e7%9a%84invalidhookcall%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%84invalidhookcall%e9%8c%af%e8%aa%a4\/","title":{"rendered":"\u89e3\u6c7aReact.js\u4e2d\u7684”InvalidHookCall”\u932f\u8aa4"},"content":{"rendered":"

<\/p>\n

\u89e3\u6c7a React.js “Error: Invalid hook call. Hooks can only be called inside of the body of a function component” \u5e38\u898b\u932f\u8aa4<\/h1>\n

React.js \u662f\u4e00\u500b\u7528\u65bc\u69cb\u5efa\u7528\u6236\u754c\u9762\u7684 JavaScript \u5eab\uff0c\u5b83\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u8f15\u9b06\u5730\u69cb\u5efa\u9ad8\u6027\u80fd\u7684\u7db2\u9801\u61c9\u7528\u7a0b\u5e8f\u3002\u7136\u800c\uff0c\u5728\u4f7f\u7528 React.js \u6642\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u9047\u5230\u4e00\u4e9b\u5e38\u898b\u7684\u932f\u8aa4\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662f\u201cError: Invalid hook call. Hooks can only be called inside of the body of a function component\u201d\u3002<\/p>\n

\u4ec0\u9ebc\u662f React.js Hooks\uff1f<\/h2>\n

React.js Hooks \u662f\u4e00\u7a2e\u65b0\u7684 React.js API\uff0c\u5b83\u5141\u8a31\u958b\u767c\u8005\u5728\u4e0d\u4f7f\u7528 class \u7684\u60c5\u6cc1\u4e0b\u4f7f\u7528 React \u7684 state \u548c\u5176\u4ed6\u529f\u80fd\u3002\u5b83\u5011\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u8f15\u9b06\u5730\u69cb\u5efa\u53ef\u91cd\u7528\u7684\u7d44\u4ef6\uff0c\u4e26\u66f4\u5bb9\u6613\u5730\u5c07\u7d44\u4ef6\u8207\u5176\u4ed6\u7d44\u4ef6\u7d44\u5408\u5728\u4e00\u8d77\u3002<\/p>\n

\u4ec0\u9ebc\u662f “Error: Invalid hook call. Hooks can only be called inside of the body of a function component” \u932f\u8aa4\uff1f<\/h2>\n

“Error: Invalid hook call. Hooks can only be called inside of the body of a function component” \u932f\u8aa4\u662f\u4e00\u500b\u5e38\u898b\u7684 React.js \u932f\u8aa4\uff0c\u5b83\u8868\u660e\u4f60\u6b63\u5728\u5617\u8a66\u5728 class \u7d44\u4ef6\u4e2d\u8abf\u7528 Hooks\uff0c\u4f46 Hooks \u53ea\u80fd\u5728 function \u7d44\u4ef6\u4e2d\u8abf\u7528\u3002<\/p>\n

\u5982\u4f55\u89e3\u6c7a “Error: Invalid hook call. Hooks can only be called inside of the body of a function component” \u932f\u8aa4\uff1f<\/h2>\n

\u8981\u89e3\u6c7a “Error: Invalid hook call. Hooks can only be called inside of the body of a function component” \u932f\u8aa4\uff0c\u4f60\u9700\u8981\u5c07\u4f60\u7684\u7d44\u4ef6\u5f9e class \u7d44\u4ef6\u6539\u70ba function \u7d44\u4ef6\u3002<\/p>\n

\n\/\/ \u4f8b\u5982\uff0c\u4f60\u53ef\u4ee5\u5c07\u4ee5\u4e0b class \u7d44\u4ef6\u8f49\u63db\u70ba function \u7d44\u4ef6\uff1a\n\nclass MyComponent extends React.Component {\n  render() {\n    return 
Hello World!<\/div>;\n  }\n}\n\n\/\/ \u8f49\u63db\u70ba\uff1a\n\nfunction MyComponent() {\n  return 
Hello World!<\/div>;\n}\n<\/pre>\n
\u7e3d\u7d50<\/h2>\n
React.js Hooks \u662f\u4e00\u7a2e\u65b0\u7684 React.js API\uff0c\u5b83\u5141\u8a31\u958b\u767c\u8005\u5728\u4e0d\u4f7f\u7528 class \u7684\u60c5\u6cc1\u4e0b\u4f7f\u7528 React \u7684 state \u548c\u5176\u4ed6\u529f\u80fd\u3002\u7136\u800c\uff0c\u5728\u4f7f\u7528 Hooks \u6642\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u9047\u5230 “Error: Invalid hook call. Hooks can only be called inside of the body of a function component” \u932f\u8aa4\uff0c\u8868\u660e\u4f60\u6b63\u5728\u5617\u8a66\u5728 class \u7d44\u4ef6\u4e2d\u8abf\u7528 Hooks\uff0c\u4f46 Hooks \u53ea\u80fd\u5728 function \u7d44\u4ef6\u4e2d\u8abf\u7528\u3002\u8981\u89e3\u6c7a\u6b64\u932f\u8aa4\uff0c\u4f60\u9700\u8981\u5c07\u4f60\u7684\u7d44\u4ef6\u5f9e class \u7d44\u4ef6\u6539\u70ba function \u7d44\u4ef6\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u89e3\u6c7aReact.js\u4e2d\u7684”InvalidHookCall”\u932f\u8aa4\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u6709\u7528\u7684\u6280\u5de7\uff0c\u4ee5\u78ba\u4fdd\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\u80fd\u5920\u6b63\u5e38\u904b\u884c\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-4716","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\/pcFK27-1e4","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/4716","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=4716"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/4716\/revisions"}],"predecessor-version":[{"id":4717,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/4716\/revisions\/4717"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=4716"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=4716"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=4716"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}