{"id":4732,"date":"2023-01-04T17:57:54","date_gmt":"2023-01-04T09:57:54","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=4732"},"modified":"2023-01-04T17:57:54","modified_gmt":"2023-01-04T09:57:54","slug":"%e8%a7%a3%e6%b1%bareact-js%e4%b8%ad%e7%9a%84erroracomponentischangingacontrolledinputoftypecheckboxtobeuncontrolled%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%84erroracomponentischangingacontrolledinputoftypecheckboxtobeuncontrolled%e9%8c%af%e8%aa%a4\/","title":{"rendered":"\u89e3\u6c7aReact.js\u4e2d\u7684”Error:Acomponentischangingacontrolledinputoftypecheckboxtobeuncontrolled”\u932f\u8aa4"},"content":{"rendered":"

<\/p>\n

\u89e3\u6c7a React.js “Error: A component is changing a controlled input of type checkbox to be uncontrolled” \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\u500b\u5e38\u898b\u7684\u932f\u8aa4\uff1a\u201cError\uff1aA component is changing a controlled input of type checkbox to be uncontrolled\u201d\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5011\u5c07\u8a73\u7d30\u89e3\u91cb\u9019\u500b\u932f\u8aa4\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u53ef\u4ee5\u89e3\u6c7a\u5b83\u7684\u65b9\u6cd5\u3002<\/p>\n

\u4ec0\u9ebc\u662f React.js \u201cError\uff1aA component is changing a controlled input of type checkbox to be uncontrolled\u201d \u932f\u8aa4\uff1f<\/h2>\n

React.js \u201cError\uff1aA component is changing a controlled input of type checkbox to be uncontrolled\u201d \u932f\u8aa4\u662f\u4e00\u500b\u7531 React.js \u6240\u62cb\u51fa\u7684\u8b66\u544a\uff0c\u8868\u793a\u60a8\u6b63\u5728\u5617\u8a66\u5c07\u4e00\u500b\u53d7\u63a7\u7684\u8f38\u5165\uff08\u4f8b\u5982 checkbox\uff09\u66f4\u6539\u70ba\u4e0d\u53d7\u63a7\u7684\u72c0\u614b\u3002<\/p>\n

\u53d7\u63a7\u8f38\u5165\u662f\u6307\u8f38\u5165\u7684\u503c\u662f\u7531 React.js \u63a7\u5236\u7684\uff0c\u800c\u4e0d\u53d7\u63a7\u8f38\u5165\u5247\u662f\u6307\u8f38\u5165\u7684\u503c\u662f\u7531\u7528\u6236\u81ea\u5df1\u63a7\u5236\u7684\u3002\u4f8b\u5982\uff0c\u5982\u679c\u60a8\u6b63\u5728\u4f7f\u7528 React.js \u4f86\u69cb\u5efa\u4e00\u500b\u8868\u55ae\uff0c\u5247\u60a8\u53ef\u4ee5\u4f7f\u7528\u53d7\u63a7\u8f38\u5165\u4f86\u63a7\u5236\u7528\u6236\u8f38\u5165\u7684\u503c\uff0c\u800c\u4e0d\u53d7\u63a7\u8f38\u5165\u5247\u662f\u6307\u7528\u6236\u53ef\u4ee5\u81ea\u7531\u5730\u8f38\u5165\u4efb\u4f55\u503c\u3002<\/p>\n

\u56e0\u6b64\uff0c\u7576\u60a8\u5617\u8a66\u5c07\u4e00\u500b\u53d7\u63a7\u7684\u8f38\u5165\u66f4\u6539\u70ba\u4e0d\u53d7\u63a7\u7684\u72c0\u614b\u6642\uff0cReact.js \u5c31\u6703\u62cb\u51fa\u9019\u500b\u932f\u8aa4\u3002<\/p>\n

\u5982\u4f55\u89e3\u6c7a React.js \u201cError\uff1aA component is changing a controlled input of type checkbox to be uncontrolled\u201d \u932f\u8aa4\uff1f<\/h2>\n

\u8981\u89e3\u6c7a React.js \u201cError\uff1aA component is changing a controlled input of type checkbox to be uncontrolled\u201d \u932f\u8aa4\uff0c\u60a8\u9700\u8981\u78ba\u4fdd\u60a8\u7684\u7a0b\u5f0f\u78bc\u4e2d\u7684\u53d7\u63a7\u8f38\u5165\u59cb\u7d42\u4fdd\u6301\u53d7\u63a7\u72c0\u614b\u3002<\/p>\n

\u4f8b\u5982\uff0c\u5982\u679c\u60a8\u6b63\u5728\u4f7f\u7528 React.js \u4f86\u69cb\u5efa\u4e00\u500b\u8868\u55ae\uff0c\u5247\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u7a0b\u5f0f\u78bc\u4f86\u78ba\u4fdd checkbox \u7684\u503c\u59cb\u7d42\u4fdd\u6301\u53d7\u63a7\u72c0\u614b\uff1a<\/p>\n

\nclass MyForm extends React.Component {\n  constructor(props) {\n    super(props);\n    this.state = {\n      isChecked: false\n    };\n  }\n\n  handleChange = (event) => {\n    this.setState({\n      isChecked: event.target.checked\n    });\n  }\n\n  render() {\n    return (\n      
\n        \n      <\/form>\n    );\n  }\n}\n<\/pre>\n
\u5728\u4e0a\u9762\u7684\u7a0b\u5f0f\u78bc\u4e2d\uff0c\u6211\u5011\u4f7f\u7528 checked<\/code> \u5c6c\u6027\u4f86\u78ba\u4fdd checkbox \u7684\u503c\u59cb\u7d42\u4fdd\u6301\u53d7\u63a7\u72c0\u614b\uff0c\u4e26\u4f7f\u7528 onChange<\/code> \u4e8b\u4ef6\u4f86\u66f4\u65b0 isChecked<\/code> \u72c0\u614b\u3002<\/p>\n
\u6b64\u5916\uff0c\u60a8\u9084\u53ef\u4ee5\u4f7f\u7528 defaultChecked<\/code> \u5c6c\u6027\u4f86\u8a2d\u7f6e checkbox \u7684\u9ed8\u8a8d\u503c\uff0c\u4ee5\u78ba\u4fdd\u5b83\u59cb\u7d42\u4fdd\u6301\u53d7\u63a7\u72c0\u614b\uff1a<\/p>\n
\n\n<\/pre>\n
\u901a\u904e\u4f7f\u7528\u4e0a\u9762\u63d0\u5230\u7684\u65b9\u6cd5\uff0c\u60a8\u5c31\u53ef\u4ee5\u89e3\u6c7a React.js \u201cError\uff1aA component is changing a controlled input of type checkbox to be uncontrolled\u201d \u932f\u8aa4\u3002<\/p>\n
<\/p>\n
\u7e3d\u7d50<\/h2>\n
\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5011\u8a73\u7d30\u89e3\u91cb\u4e86 React.js \u201cError\uff1aA component is changing a controlled input of type checkbox to be uncontrolled\u201d \u932f\u8aa4\uff0c\u4e26\u63d0\u4f9b\u4e86\u4e00\u4e9b\u53ef\u4ee5\u89e3\u6c7a\u5b83\u7684\u65b9\u6cd5\u3002\u901a\u904e\u4f7f\u7528 checked<\/code> \u5c6c\u6027\u548c onChange<\/code> \u4e8b\u4ef6\uff0c\u60a8\u5c31\u53ef\u4ee5\u78ba\u4fdd checkbox \u7684\u503c\u59cb\u7d42\u4fdd\u6301\u53d7\u63a7\u72c0\u614b\uff0c\u4ee5\u907f\u514d\u51fa\u73fe\u9019\u500b\u932f\u8aa4\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u6587\u7ae0\u6458\u8981\uff1a\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u89e3\u6c7aReact.js\u4e2d\u7684”Error:Acomponentischangingacontrolledinputoftypecheckboxtobeuncontrolled”\u932f\u8aa4\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u6709\u7528\u7684\u6280\u5de7\u548c\u5efa\u8b70\uff0c\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u89e3\u6c7a\u6b64\u554f\u984c\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-4732","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\/pcFK27-1ek","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/4732","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=4732"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/4732\/revisions"}],"predecessor-version":[{"id":4733,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/4732\/revisions\/4733"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=4732"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=4732"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=4732"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}