{"id":4556,"date":"2023-01-04T16:11:51","date_gmt":"2023-01-04T08:11:51","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=4556"},"modified":"2023-01-04T16:11:51","modified_gmt":"2023-01-04T08:11:51","slug":"%e5%ad%b8%e7%bf%92react-js%e4%b8%ad%e7%9a%84%e7%b5%84%e4%bb%b6%e5%8a%a0%e8%bc%89lazyloading","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/react-js\/%e5%ad%b8%e7%bf%92react-js%e4%b8%ad%e7%9a%84%e7%b5%84%e4%bb%b6%e5%8a%a0%e8%bc%89lazyloading\/","title":{"rendered":"\u5b78\u7fd2React.js\u4e2d\u7684\u7d44\u4ef6\u52a0\u8f09(LazyLoading)"},"content":{"rendered":"<p><meta name=\"keywords\" content=\"React, React.js, React \u7d44\u4ef6\u52a0\u8f09, lazy loading\"><\/p>\n<h1>React \u7d44\u4ef6\u52a0\u8f09(lazy loading)<\/h1>\n<p>React \u7d44\u4ef6\u52a0\u8f09(lazy loading)\u662f\u4e00\u7a2e\u6280\u8853\uff0c\u53ef\u4ee5\u8b93\u4f60\u5728\u4f7f\u7528 React \u6642\uff0c\u66f4\u6709\u6548\u7387\u5730\u52a0\u8f09\u7d44\u4ef6\u3002\u5b83\u53ef\u4ee5\u8b93\u4f60\u5728\u9700\u8981\u6642\u624d\u52a0\u8f09\u7d44\u4ef6\uff0c\u800c\u4e0d\u662f\u4e00\u6b21\u6027\u52a0\u8f09\u6240\u6709\u7d44\u4ef6\uff0c\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u7db2\u9801\u8f09\u5165\u6642\u9593\uff0c\u63d0\u5347\u4f7f\u7528\u8005\u9ad4\u9a57\u3002<\/p>\n<p>React \u7d44\u4ef6\u52a0\u8f09(lazy loading)\u7684\u539f\u7406\u662f\uff0c\u7576\u4f7f\u7528\u8005\u9700\u8981\u6642\uff0c\u624d\u6703\u52a0\u8f09\u7d44\u4ef6\uff0c\u800c\u4e0d\u662f\u4e00\u6b21\u6027\u52a0\u8f09\u6240\u6709\u7d44\u4ef6\u3002\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u7db2\u9801\u8f09\u5165\u6642\u9593\uff0c\u63d0\u5347\u4f7f\u7528\u8005\u9ad4\u9a57\u3002<\/p>\n<p><!--more--><\/p>\n<p>React \u7d44\u4ef6\u52a0\u8f09(lazy loading)\u7684\u5be6\u73fe\u65b9\u5f0f\u6709\u5f88\u591a\u7a2e\uff0c\u5176\u4e2d\u4e00\u7a2e\u662f\u4f7f\u7528 React.lazy \u548c Suspense \u7d44\u4ef6\u3002React.lazy \u53ef\u4ee5\u8b93\u4f60\u5ef6\u9072\u52a0\u8f09\u7d44\u4ef6\uff0c\u800c Suspense \u5247\u53ef\u4ee5\u5728\u7d44\u4ef6\u52a0\u8f09\u6642\u986f\u793a\u4e00\u500b\u81e8\u6642\u7684 UI\uff0c\u4f8b\u5982\u8f09\u5165\u4e2d\u7684\u52d5\u756b\u3002<\/p>\n<p>\u70ba\u4e86\u4f7f\u7528 React.lazy \u548c Suspense\uff0c\u4f60\u9700\u8981\u5148\u5b89\u88dd React 16.6 \u6216\u66f4\u65b0\u7684\u7248\u672c\uff0c\u7136\u5f8c\u5728\u4f60\u7684\u7d44\u4ef6\u4e2d\u4f7f\u7528\u4ee5\u4e0b\u7a0b\u5f0f\u78bc\uff1a<\/p>\n<pre class=\"brush: javascript\">\nconst MyComponent = React.lazy(() => import('.\/MyComponent'));\n\nfunction MyApp() {\n  return (\n    <div>\n      <Suspense fallback={<div>Loading...<\/div>}>\n        <MyComponent \/>\n      <\/Suspense>\n    <\/div>\n  );\n}\n<\/pre>\n<p>\u5728\u4e0a\u9762\u7684\u7a0b\u5f0f\u78bc\u4e2d\uff0c\u6211\u5011\u4f7f\u7528 React.lazy \u4f86\u5ef6\u9072\u52a0\u8f09\u7d44\u4ef6\uff0c\u4e26\u4f7f\u7528 Suspense \u4f86\u986f\u793a\u8f09\u5165\u4e2d\u7684\u52d5\u756b\u3002<\/p>\n<p>React \u7d44\u4ef6\u52a0\u8f09(lazy loading)\u53ef\u4ee5\u8b93\u4f60\u66f4\u6709\u6548\u7387\u5730\u52a0\u8f09\u7d44\u4ef6\uff0c\u6e1b\u5c11\u7db2\u9801\u8f09\u5165\u6642\u9593\uff0c\u63d0\u5347\u4f7f\u7528\u8005\u9ad4\u9a57\u3002\u4f7f\u7528 React.lazy \u548c Suspense \u4f86\u5be6\u73fe React \u7d44\u4ef6\u52a0\u8f09(lazy loading)\u662f\u4e00\u500b\u5f88\u597d\u7684\u65b9\u6cd5\uff0c\u4f46\u662f\u4f60\u4e5f\u53ef\u4ee5\u4f7f\u7528\u5176\u4ed6\u65b9\u6cd5\u4f86\u5be6\u73fe\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2React.js\u4e2d\u7684\u7d44\u4ef6\u52a0\u8f09(LazyLoading)\uff0c\u53ef\u4ee5\u6709\u6548\u63d0\u5347\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\uff0c\u6e1b\u5c11\u9801\u9762\u8f09\u5165\u6642\u9593\uff0c\u63d0\u9ad8\u7528\u6236\u9ad4\u9a57\u3002\u672c\u6587\u5c07\u4ecb\u7d39React.js\u4e2d\u7684\u7d44\u4ef6\u52a0\u8f09(LazyLoading)\u7684\u57fa\u672c\u6982\u5ff5\uff0c\u4ee5\u53ca\u5982\u4f55\u5be6\u73fe\u7d44\u4ef6\u52a0\u8f09(LazyLoading)\u7684\u6280\u8853\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-4556","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\/pcFK27-1bu","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/4556","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=4556"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/4556\/revisions"}],"predecessor-version":[{"id":4557,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/4556\/revisions\/4557"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=4556"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=4556"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=4556"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}