{"id":5723,"date":"2023-01-06T14:47:41","date_gmt":"2023-01-06T06:47:41","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=5723"},"modified":"2023-01-06T14:47:41","modified_gmt":"2023-01-06T06:47:41","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8react%e4%b8%ad%e4%bd%bf%e7%94%a8%e6%9c%ac%e5%9c%b0%e5%ad%98%e5%84%b2%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%e6%9c%ac%e5%9c%b0%e5%ad%98%e5%84%b2%ef%bc%9f\/","title":{"rendered":"\u5982\u4f55\u5728React\u4e2d\u4f7f\u7528\u672c\u5730\u5b58\u5132\uff1f"},"content":{"rendered":"

<\/p>\n

\u5982\u4f55\u5728 React \u4e2d\u4f7f\u7528\u672c\u5730\u5b58\u5132\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 Web \u61c9\u7528\u7a0b\u5e8f\u3002\u5728 React \u4e2d\u4f7f\u7528\u672c\u5730\u5b58\u5132\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u8f15\u9b06\u5730\u5c07\u6578\u64da\u4fdd\u5b58\u5728\u7528\u6236\u7684\u8a2d\u5099\u4e0a\uff0c\u800c\u4e0d\u9700\u8981\u5c07\u6578\u64da\u50b3\u8f38\u5230\u670d\u52d9\u5668\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u5728 React \u4e2d\u4f7f\u7528\u672c\u5730\u5b58\u5132\u3002<\/p>\n

\u4f7f\u7528 localStorage API<\/h2>\n

localStorage API \u662f\u4e00\u500b Web \u6a19\u6e96\uff0c\u5b83\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u5c07\u6578\u64da\u4fdd\u5b58\u5728\u7528\u6236\u7684\u8a2d\u5099\u4e0a\uff0c\u800c\u4e0d\u9700\u8981\u5c07\u6578\u64da\u50b3\u8f38\u5230\u670d\u52d9\u5668\u3002localStorage API \u63d0\u4f9b\u4e86\u4e00\u500b\u7c21\u55ae\u7684\u65b9\u6cd5\u4f86\u5b58\u5132\u6578\u64da\uff0c\u5b83\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u5c07\u6578\u64da\u4fdd\u5b58\u5728\u7528\u6236\u7684\u8a2d\u5099\u4e0a\uff0c\u800c\u4e0d\u9700\u8981\u5c07\u6578\u64da\u50b3\u8f38\u5230\u670d\u52d9\u5668\u3002<\/p>\n

\n\/\/ \u5c07\u6578\u64da\u4fdd\u5b58\u5230 localStorage\nlocalStorage.setItem('key', 'value');\n\n\/\/ \u5f9e localStorage \u7372\u53d6\u6578\u64da\nlet value = localStorage.getItem('key');\n<\/pre>\n
\u4f7f\u7528 React Context API<\/h2>\n
React Context API \u662f\u4e00\u500b React \u6a19\u6e96\uff0c\u5b83\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u5c07\u6578\u64da\u4fdd\u5b58\u5728\u7528\u6236\u7684\u8a2d\u5099\u4e0a\uff0c\u800c\u4e0d\u9700\u8981\u5c07\u6578\u64da\u50b3\u8f38\u5230\u670d\u52d9\u5668\u3002React Context API \u63d0\u4f9b\u4e86\u4e00\u500b\u7c21\u55ae\u7684\u65b9\u6cd5\u4f86\u5b58\u5132\u6578\u64da\uff0c\u5b83\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u5c07\u6578\u64da\u4fdd\u5b58\u5728\u7528\u6236\u7684\u8a2d\u5099\u4e0a\uff0c\u800c\u4e0d\u9700\u8981\u5c07\u6578\u64da\u50b3\u8f38\u5230\u670d\u52d9\u5668\u3002<\/p>\n
\n\/\/ \u5275\u5efa\u4e00\u500b Context\nconst MyContext = React.createContext();\n\n\/\/ \u5c07\u6578\u64da\u4fdd\u5b58\u5230 Context\nMyContext.setState({ key: 'value' });\n\n\/\/ \u5f9e Context \u7372\u53d6\u6578\u64da\nlet value = MyContext.getState('key');\n<\/pre>\n
\u4f7f\u7528 React Hooks<\/h2>\n
React Hooks \u662f\u4e00\u500b React \u6a19\u6e96\uff0c\u5b83\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u5c07\u6578\u64da\u4fdd\u5b58\u5728\u7528\u6236\u7684\u8a2d\u5099\u4e0a\uff0c\u800c\u4e0d\u9700\u8981\u5c07\u6578\u64da\u50b3\u8f38\u5230\u670d\u52d9\u5668\u3002React Hooks \u63d0\u4f9b\u4e86\u4e00\u500b\u7c21\u55ae\u7684\u65b9\u6cd5\u4f86\u5b58\u5132\u6578\u64da\uff0c\u5b83\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u5c07\u6578\u64da\u4fdd\u5b58\u5728\u7528\u6236\u7684\u8a2d\u5099\u4e0a\uff0c\u800c\u4e0d\u9700\u8981\u5c07\u6578\u64da\u50b3\u8f38\u5230\u670d\u52d9\u5668\u3002<\/p>\n
\n\/\/ \u5275\u5efa\u4e00\u500b Hook\nconst [state, setState] = useState({ key: 'value' });\n\n\/\/ \u5c07\u6578\u64da\u4fdd\u5b58\u5230 Hook\nsetState({ key: 'value' });\n\n\/\/ \u5f9e Hook \u7372\u53d6\u6578\u64da\nlet value = state.key;\n<\/pre>\n
\u7e3d\u7d50<\/h2>\n
\u5728 React \u4e2d\u4f7f\u7528\u672c\u5730\u5b58\u5132\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u8f15\u9b06\u5730\u5c07\u6578\u64da\u4fdd\u5b58\u5728\u7528\u6236\u7684\u8a2d\u5099\u4e0a\uff0c\u800c\u4e0d\u9700\u8981\u5c07\u6578\u64da\u50b3\u8f38\u5230\u670d\u52d9\u5668\u3002\u672c\u6587\u4ecb\u7d39\u4e86\u4e09\u7a2e\u5728 React \u4e2d\u4f7f\u7528\u672c\u5730\u5b58\u5132\u7684\u65b9\u6cd5\uff1a\u4f7f\u7528 localStorage API\u3001\u4f7f\u7528 React Context API \u548c\u4f7f\u7528 React Hooks\u3002\u958b\u767c\u8005\u53ef\u4ee5\u6839\u64da\u81ea\u5df1\u7684\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u65b9\u6cd5\u4f86\u5b58\u5132\u6578\u64da\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u6587\u7ae0\u6458\u8981\uff1a\u672c\u6587\u5c07\u8a73\u7d30\u4ecb\u7d39\u5982\u4f55\u5728React\u4e2d\u4f7f\u7528\u672c\u5730\u5b58\u5132\uff0c\u5f9e\u57fa\u672c\u7684localStorage\u5230\u66f4\u9ad8\u7d1a\u7684IndexedDB\uff0c\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528\u5b83\u5011\u4f86\u63d0\u9ad8\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u53ef\u7528\u6027\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-5723","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\/pcFK27-1uj","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5723","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=5723"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5723\/revisions"}],"predecessor-version":[{"id":5724,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5723\/revisions\/5724"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=5723"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=5723"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=5723"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}