{"id":5731,"date":"2023-01-06T14:49:42","date_gmt":"2023-01-06T06:49:42","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=5731"},"modified":"2023-01-06T14:49:42","modified_gmt":"2023-01-06T06:49:42","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8react%e4%b8%ad%e4%bd%bf%e7%94%a8%e9%ab%98%e9%9a%8e%e7%b5%84%e4%bb%b6%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/react-js\/%e5%a6%82%e4%bd%95%e5%9c%a8react%e4%b8%ad%e4%bd%bf%e7%94%a8%e9%ab%98%e9%9a%8e%e7%b5%84%e4%bb%b6%ef%bc%9f\/","title":{"rendered":"\u5982\u4f55\u5728React\u4e2d\u4f7f\u7528\u9ad8\u968e\u7d44\u4ef6\uff1f"},"content":{"rendered":"

<\/p>\n

\u5982\u4f55\u5728 React \u4e2d\u4f7f\u7528\u9ad8\u9636\u7ec4\u4ef6\uff1f<\/h1>\n

React \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\u7528\u6236\u754c\u9762\u3002React \u4e2d\u7684\u9ad8\u9636\u7d44\u4ef6\uff08HOC\uff09\u662f\u4e00\u7a2e\u53ef\u4ee5\u91cd\u7528\u7d44\u4ef6\u7684\u6280\u8853\uff0c\u5b83\u53ef\u4ee5\u63d0\u4f9b\u66f4\u591a\u7684\u529f\u80fd\uff0c\u4e26\u6e1b\u5c11\u91cd\u8907\u4ee3\u78bc\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u5728 React \u4e2d\u4f7f\u7528\u9ad8\u9636\u7d44\u4ef6\u3002<\/p>\n

\u4ec0\u9ebc\u662f\u9ad8\u9636\u7d44\u4ef6\uff1f<\/h2>\n

\u9ad8\u9636\u7d44\u4ef6\uff08HOC\uff09\u662f\u4e00\u7a2e\u53ef\u4ee5\u91cd\u7528\u7d44\u4ef6\u7684\u6280\u8853\uff0c\u5b83\u53ef\u4ee5\u5c07\u516c\u5171\u529f\u80fd\u62bd\u53d6\u51fa\u4f86\uff0c\u4e26\u5c07\u5b83\u5011\u653e\u5728\u4e00\u500b\u53ef\u4ee5\u91cd\u7528\u7684\u7d44\u4ef6\u4e2d\u3002\u5b83\u53ef\u4ee5\u6e1b\u5c11\u91cd\u8907\u4ee3\u78bc\uff0c\u4e26\u63d0\u4f9b\u66f4\u591a\u7684\u529f\u80fd\uff0c\u4f8b\u5982\u6dfb\u52a0\u9a57\u8b49\uff0c\u6dfb\u52a0\u984d\u5916\u7684\u529f\u80fd\uff0c\u6216\u8005\u6dfb\u52a0\u984d\u5916\u7684\u6a23\u5f0f\u3002<\/p>\n

\u5982\u4f55\u5728 React \u4e2d\u4f7f\u7528\u9ad8\u9636\u7d44\u4ef6\uff1f<\/h2>\n

\u4f7f\u7528\u9ad8\u9636\u7d44\u4ef6\u5728 React \u4e2d\u975e\u5e38\u7c21\u55ae\uff0c\u53ea\u9700\u8981\u5c07\u7d44\u4ef6\u50b3\u905e\u7d66\u9ad8\u9636\u7d44\u4ef6\u51fd\u6578\uff0c\u4e26\u5c07\u7d50\u679c\u50b3\u905e\u7d66 React \u61c9\u7528\u7a0b\u5e8f\u5373\u53ef\u3002<\/p>\n

\n\/\/ \u9ad8\u9636\u7d44\u4ef6\u51fd\u6578\nconst withExtraFeature = (WrappedComponent) => {\n  return class extends React.Component {\n    render() {\n      \/\/ \u5c07props\u50b3\u905e\u7d66\u88ab\u5305\u88f9\u7684\u7d44\u4ef6\n      return ;\n    }\n  };\n};\n\n\/\/ \u88ab\u5305\u88f9\u7684\u7d44\u4ef6\nclass MyComponent extends React.Component {\n  render() {\n    return 
My Component<\/div>;\n  }\n}\n\n\/\/ \u4f7f\u7528\u9ad8\u9636\u7d44\u4ef6\nconst EnhancedComponent = withExtraFeature(MyComponent);\n\n\/\/ \u5c07\u589e\u5f37\u7684\u7d44\u4ef6\u50b3\u905e\u7d66 React \u61c9\u7528\u7a0b\u5e8f\nReactDOM.render(, document.getElementById('root'));\n<\/pre>\n
<\/p>\n
\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5b9a\u7fa9\u4e86\u4e00\u500b\u9ad8\u9636\u7d44\u4ef6\u51fd\u6578\uff0c\u5b83\u63a5\u53d7\u4e00\u500b\u7d44\u4ef6\u4f5c\u70ba\u53c3\u6578\uff0c\u4e26\u8fd4\u56de\u4e00\u500b\u65b0\u7684\u7d44\u4ef6\uff0c\u65b0\u7684\u7d44\u4ef6\u5c07\u539f\u59cb\u7d44\u4ef6\u7684 props \u50b3\u905e\u7d66\u539f\u59cb\u7d44\u4ef6\uff0c\u4e26\u6dfb\u52a0\u984d\u5916\u7684\u529f\u80fd\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5011\u4ecb\u7d39\u4e86\u5982\u4f55\u5728 React \u4e2d\u4f7f\u7528\u9ad8\u9636\u7d44\u4ef6\u3002\u9ad8\u9636\u7d44\u4ef6\u53ef\u4ee5\u6e1b\u5c11\u91cd\u8907\u4ee3\u78bc\uff0c\u4e26\u63d0\u4f9b\u66f4\u591a\u7684\u529f\u80fd\uff0c\u4f8b\u5982\u6dfb\u52a0\u9a57\u8b49\uff0c\u6dfb\u52a0\u984d\u5916\u7684\u529f\u80fd\uff0c\u6216\u8005\u6dfb\u52a0\u984d\u5916\u7684\u6a23\u5f0f\u3002\u4f7f\u7528\u9ad8\u9636\u7d44\u4ef6\u5728 React \u4e2d\u975e\u5e38\u7c21\u55ae\uff0c\u53ea\u9700\u8981\u5c07\u7d44\u4ef6\u50b3\u905e\u7d66\u9ad8\u9636\u7d44\u4ef6\u51fd\u6578\uff0c\u4e26\u5c07\u7d50\u679c\u50b3\u905e\u7d66 React \u61c9\u7528\u7a0b\u5e8f\u5373\u53ef\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u6587\u7ae0\u6458\u8981\uff1a\u5728React\u4e2d\uff0c\u9ad8\u968e\u7d44\u4ef6\u662f\u4e00\u7a2e\u53ef\u4ee5\u91cd\u7528\u7684\u7d44\u4ef6\uff0c\u53ef\u4ee5\u63d0\u4f9b\u66f4\u591a\u529f\u80fd\uff0c\u66f4\u597d\u5730\u63a7\u5236\u7d44\u4ef6\u7684\u884c\u70ba\uff0c\u4e26\u63d0\u4f9b\u66f4\u591a\u7684\u6e32\u67d3\u9078\u9805\u3002\u672c\u6587\u5c07\u8a73\u7d30\u4ecb\u7d39\u5982\u4f55\u5728React\u4e2d\u4f7f\u7528\u9ad8\u968e\u7d44\u4ef6\uff0c\u4ee5\u53ca\u5b83\u5011\u7684\u512a\u9ede\u548c\u7f3a\u9ede\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-5731","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\/pcFK27-1ur","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5731","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=5731"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5731\/revisions"}],"predecessor-version":[{"id":5732,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5731\/revisions\/5732"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=5731"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=5731"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=5731"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}