{"id":3806,"date":"2024-01-04T08:57:15","date_gmt":"2024-01-04T00:57:15","guid":{"rendered":"http:\/\/www.ponybai.com\/?p=3806"},"modified":"2024-01-06T22:00:29","modified_gmt":"2024-01-06T14:00:29","slug":"lightning-css","status":"publish","type":"post","link":"http:\/\/www.ponybai.com\/?p=3806","title":{"rendered":"Lightning CSS"},"content":{"rendered":"\n

\u8981\u4e3a\u60a8\u7684\u7ec4\u4ef6\u63d0\u4f9b Lightning Experience \u5916\u89c2\uff0c\u8bf7\u4f7f\u7528 Lightning Design System\u3002\u8981\u8d70\u81ea\u5df1\u7684\u8def\uff0c\u8bf7\u7f16\u5199\u81ea\u5df1\u7684 CSS\u3002<\/p>\n\n\n\n

\u4f7f\u7528 Lightning Design System \u8bbe\u7f6e\u7ec4\u4ef6\u6837\u5f0f<\/h2>\n\n\n\n

Salesforce Lightning Design System \uff08SLDS\uff09 \u662f\u4e00\u4e2a CSS \u6846\u67b6\uff0c\u53ef\u63d0\u4f9b\u4e0e Lightning Experience \u4e00\u81f4\u7684\u5916\u89c2\u3002\u4f7f\u7528 SLDS \u6837\u5f0f\u4e3a\u60a8\u7684\u81ea\u5b9a\u4e49 Lightning Web \u7ec4\u4ef6\u63d0\u4f9b\u4e0e Salesforce \u4e00\u81f4\u7684 UI\uff0c\u800c\u65e0\u9700\u5bf9\u6211\u4eec\u7684\u6837\u5f0f\u8fdb\u884c\u9006\u5411\u5de5\u7a0b\u3002\u6700\u91cd\u8981\u7684\u662f\uff0c\u5b83\u53ea\u9002\u7528\u4e8e\u5728 Lightning Experience \u548c Salesforce \u79fb\u52a8\u5e94\u7528\u7a0b\u5e8f\u4e2d\u8fd0\u884c\u7684 Lightning \u7ec4\u4ef6\u3002<\/p>\n\n\n\n

\u63d0\u793a<\/p>\n\n\n\n

\u4ea4\u4e92\u5f0f\u57fa\u672c\u7ec4\u4ef6\u793a\u4f8b\u53ef\u5728\u7ec4\u4ef6\u53c2\u8003\u4e2d\u627e\u5230\u3002<\/p>\n\n\n\n

\u4f7f\u7528\u57fa\u672c Lightning \u7ec4\u4ef6<\/h2>\n\n\n\n

\u547d\u540d\u7a7a\u95f4\u4e2d\u7684\u57fa\u672c\u7ec4\u4ef6\u4f7f\u7528\u00a0Lightning Design System\u00a0\u6837\u5f0f\u3002\u8bb8\u591a\u57fa\u672c\u7ec4\u4ef6\u90fd\u662f\u6839\u636e SLDS \u7ec4\u4ef6\u84dd\u56fe\u6784\u5efa\u7684\u3002\u84dd\u56fe\u4e0e\u6846\u67b6\u65e0\u5173\uff0c\u53ef\u8bbf\u95ee HTML \u548c CSS\u3002\u4e00\u4e9b\u793a\u4f8b\u5305\u62ec \u3001 \u548c \u7ec4\u4ef6\u3002lightninglightning-accordionlightning-cardlightning-tree<\/code><\/p>\n\n\n\n

\u57fa\u672c\u7ec4\u4ef6\u63d0\u4f9b\u4e86\u4e00\u4e2a\u5c5e\u6027\uff0c\u4ee5\u4fbf\u60a8\u53ef\u4ee5\u5c06 SLDS \u5b9e\u7528\u7a0b\u5e8f\u7c7b\u6216\u5b9a\u5236\u7c7b\u6dfb\u52a0\u5230\u7ec4\u4ef6\u7684\u5916\u90e8\u5143\u7d20\u4e2d\u3002\u4f8b\u5982\uff0c\u8981\u5c06\u8fb9\u8ddd\u5b9e\u7528\u7a0b\u5e8f\u7c7b\u5e94\u7528\u4e8e\u57fa\u672c\u7ec4\u4ef6\uff0c\u8bf7\u4f7f\u7528 \u3002\u8fd9\u91cc\u5b83\u7528\u4e8e\u589e\u52a0\u6309\u94ae\u4e4b\u95f4\u7684\u8fb9\u8ddd\u3002class<\/code>lightning-button<\/code>class=\"slds-m-left_medium\"<\/code><\/p>\n\n\n\n

<template>\n  <lightning-button label=\"Submit\" title=\"submit\" onclick={handleSubmit}><\/lightning-button>\n  <lightning-button\n    variant=\"brand\"\n    label=\"Cancel\"\n    title=\"cancel\"\n    onclick={handleCancel}\n    class=\"slds-m-left_medium\"\n  ><\/lightning-button>\n<\/template><\/code><\/pre>\n\n\n\n
\u67d0\u4e9b\u7ec4\u4ef6\u63d0\u4f9b\u5c5e\u6027\uff0c\u4ee5\u4fbf\u60a8\u53ef\u4ee5\u8f7b\u677e\u5730\u5e94\u7528\u8bbe\u8ba1\u53d8\u4f53\u3002variant<\/code><\/p>\n\n\n\n
\u91cd\u8981<\/p>\n\n\n\n
\u5728\u8bbe\u7f6e\u7ec4\u4ef6\u6837\u5f0f\u65f6\uff0c\u4e0d\u8981\u4f9d\u8d56\u57fa\u672c Lightning \u7ec4\u4ef6\u7684\u5185\u90e8\u6807\u8bb0\u6216 CSS \u7c7b\uff0c\u56e0\u4e3a\u5b83\u4eec\u53ef\u80fd\u4f1a\u5728\u5c06\u6765\u7684\u7248\u672c\u4e2d\u66f4\u6539\u3002\u4e0d\u652f\u6301\u8986\u76d6\u57fa\u672c\u7ec4\u4ef6\u6837\u5f0f\uff0c\u9664\u975e\u4f7f\u7528\u8bb0\u5f55\u7684\u6837\u5f0f\u6302\u94a9\u3002\u8bf7\u53c2\u9605\u6837\u5f0f\u7ec4\u4ef6\u7684\u53cd\u6a21\u5f0f\u3002<\/p>\n\n\n\n
\u4f7f\u7528\u57fa\u672c Lightning \u7ec4\u4ef6\u8bbe\u8ba1\u53d8\u4f53\u548c\u5b9e\u7528\u7a0b\u5e8f\u7c7b<\/h2>\n\n\n\n
\u8981\u66f4\u6539\u57fa\u672c Lightning \u7ec4\u4ef6\u7684\u6837\u5f0f\uff0c\u8bf7\u9996\u5148\u68c0\u67e5\u201c\u7ec4\u4ef6\u53c2\u8003\u201d\u4ee5\u67e5\u770b\u8be5\u7ec4\u4ef6\u662f\u5426\u6709\u8bbe\u8ba1\u53d8\u4f53\u3002\u8981\u66f4\u6539\u7ec4\u4ef6\u7684\u95f4\u8ddd\uff0c\u4f8b\u5982\u5bf9\u9f50\u65b9\u5f0f\u3001\u586b\u5145\u3001\u8fb9\u8ddd\u751a\u81f3\u5176\u6392\u7248\uff0c\u8bf7\u4f7f\u7528\u00a0Lightning Design System \u5b9e\u7528\u7a0b\u5e8f\u7c7b\u3002<\/p>\n\n\n\n
\u4f7f\u7528\u6837\u5f0f\u6302\u94a9\u8986\u76d6\u9ed8\u8ba4\u6837\u5f0f<\/h2>\n\n\n\n
\u5982\u679c\u8bbe\u8ba1\u53d8\u4f53\u548c\u5b9e\u7528\u7a0b\u5e8f\u7c7b\u4e0d\u7b26\u5408\u60a8\u7684\u8981\u6c42\uff0c\u8bf7\u8003\u8651\u8bbe\u7f6e\u6302\u94a9\u6837\u5f0f\u3002\u6709\u5173\u66f4\u591a\u4fe1\u606f\uff0c\u8bf7\u53c2\u9605\u4f7f\u7528 Lightning Design System \u6837\u5f0f\u6302\u94a9\u8bbe\u7f6e\u7ec4\u4ef6\u6837\u5f0f\u3002<\/p>\n\n\n\n
\u5e94\u7528\u81ea\u5b9a\u4e49 CSS\u7c7b<\/h2>\n\n\n\n
\u5982\u679c\u6837\u5f0f\u6302\u94a9\u4e0d\u9002\u7528\u4e8e\u60a8\u7684\u7528\u4f8b\uff0c\u8bf7\u5c1d\u8bd5\u4f7f\u7528\u5177\u6709\u5168\u5c40\u8bbf\u95ee\u6743\u9650\u7684\u8bbe\u8ba1\u4ee4\u724c\u3002<\/p>\n\n\n\n
\u63d0\u793a<\/p>\n\n\n\n
\u4ece 24 \u5e74\u51ac\u5b63\u5f00\u59cb\uff0c\u6211\u4eec\u5efa\u8bae\u60a8\u5c3d\u53ef\u80fd\u4f7f\u7528\u5168\u5c40\u989c\u8272\u6837\u5f0f\u6302\u94a9\u800c\u4e0d\u662f\u8bbe\u8ba1\u6807\u8bb0\uff0c\u4ee5\u7b26\u5408\u00a0Web \u5185\u5bb9\u53ef\u8bbf\u95ee\u6027\u6307\u5357 \uff08WCAG\uff09\u00a02.1 \u989c\u8272\u5bf9\u6bd4\u5ea6\u6807\u51c6\u3002\u8bf7\u53c2\u9605\u00a0Lightning Design System\uff1a\u8fc1\u79fb\u6307\u5357\u3002<\/p>\n\n\n\n
\u5982\u679c\u5168\u5c40\u8bbe\u8ba1\u6807\u8bb0\u4e0d\u8d77\u4f5c\u7528\uff0c\u8bf7\u521b\u5efa\u81ea\u5b9a\u4e49 CSS \u7c7b\uff0c\u800c\u4e0d\u662f\u91cd\u5199 SLDS \u7c7b\u3002\u521b\u5efa\u4e00\u4e2a\u7c7b\uff0c\u800c\u4e0d\u662f\u4ee5\u60a8\u4e0d\u62e5\u6709\u7684\u7c7b\u540d\u4e3a\u76ee\u6807\uff0c\u56e0\u4e3a\u8be5\u7c7b\u540d\u53ef\u80fd\u4f1a\u66f4\u6539\u3002\u4f8b\u5982\uff0c\u4e0d\u8981\u4ee5 \u4e3a\u76ee\u6807\uff0c\u56e0\u4e3a\u5b83\u662f\u57fa\u672c\u7ec4\u4ef6\u5185\u90e8\u6807\u8bb0\u7684\u4e00\u90e8\u5206\u3002\u76f8\u53cd\uff0c\u521b\u5efa\u4e00\u4e2a\u81ea\u5b9a\u4e49\u7c7b\u5e76\u5c06\u5176\u4f20\u9012\u5230 class \u5c5e\u6027\u4e2d\u3002.slds-input<\/code><\/p>\n\n\n\n
\u4f4d\u4e8e Lightning Experience \u6216 Salesforce \u79fb\u52a8\u5e94\u7528\u7a0b\u5e8f\u4e2d\u7684\u81ea\u5b9a\u4e49\u7ec4\u4ef6\u53ef\u4ee5\u5728\u6ca1\u6709\u4efb\u4f55\u8bed\u53e5\u6216\u9759\u6001\u8d44\u6e90\u7684\u60c5\u51b5\u4e0b\u4f7f\u7528 Lightning Design System\u3002\u53ea\u9700\u5c06 Lightning Design System CSS \u7c7b\u5206\u914d\u7ed9 HTML \u5143\u7d20\u5373\u53ef\u3002import<\/code><\/p>\n\n\n\n
\/* Do this *\/\n.my-custom-styles {\n  padding: var(--lwc-spacingMedium); \/* --lwc-spacingMedium: 16px; *\/\n}\n\n\/* DON\u2019T DO THIS *\/\n.slds-button {\n  padding: 16px;\n}<\/code><\/pre>\n\n\n\n
\u4ee5\u589e\u91cf\u65b9\u5f0f\u5e94\u7528\u6837\u5f0f\u3002<\/p>\n\n\n\n
\/* Do this *\/\n.my-style {\n  padding: var(--scoped-spacing);\n}\n\n\/* DON\u2019T DO THIS *\/\n.slds-scoped-notification {\n  padding: var(--scoped-spacing);\n}<\/code><\/pre>\n\n\n\n
<div class=\"slds-scoped-notification my-style\"><\/div><\/code><\/pre>\n\n\n\n
\u517b\u6210\u826f\u597d\u7684CSS\u4e60\u60ef\uff0c\u4e0d\u8981\u8ba9\u9009\u62e9\u5668\u8fc7\u8f7d\u3002<\/p>\n\n\n\n
\/* Don\u2019t do this *\/\nbutton.button {\n  ...;\n}\n.card > * {\n  ...;\n}\n.button {\n  margin-bottom: 18px !important<\/strong>;\n}\nbody.container > div.sidebar > article.card {\n  ...;\n}<\/code><\/pre>\n\n\n\n
\u4ece\u57fa\u7840\u7ec4\u4ef6\u521b\u5efa\u81ea\u5b9a\u4e49\u7ec4\u4ef6<\/h2>\n\n\n\n
\u8981\u6784\u5efa Lightning Web \u7ec4\u4ef6\uff0c\u8bf7\u901a\u8fc7\u5c06\u8f83\u5c0f\u7684\u57fa\u672c\u7ec4\u4ef6\u7ec4\u5408\u6210\u4e00\u4e2a\u66f4\u590d\u6742\u7684\u81ea\u5b9a\u4e49\u7ec4\u4ef6\u6765\u7ec4\u5408\u5b83\u3002\u5c1d\u8bd5\u4ece\u6309\u94ae\u548c\u5a92\u4f53\u5bf9\u8c61\u7b49\u7ec4\u4ef6\u6784\u5efa\u60a8\u7684\u8bbe\u8ba1\u3002\u4f7f\u7528\u5b9e\u7528\u7a0b\u5e8f\uff08\u4f8b\u5982\u7f51\u683c\u548c\u95f4\u8ddd\u7c7b\uff09\u8fdb\u884c\u5e03\u5c40\u3002\u5f53\u60a8\u5411\u7ec4\u4ef6\u6dfb\u52a0\u65b0\u529f\u80fd\u65f6\uff0c\u8bf7\u5728\u00a0Lightning Design System\u00a0\u4e2d\u641c\u7d22\u6709\u6548\u7684\u6a21\u5f0f\uff0c\u5e76\u5c06\u8fd9\u4e9b\u7c7b\u5e94\u7528\u4e8e\u6a21\u677f\u3002lightning<\/code><\/p>\n\n\n\n
\u4f8b\u5982\uff0c\u4f7f\u7528\u5b9e\u7528\u7a0b\u5e8f\u7c7b\u66f4\u6539\u6807\u5934\u5927\u5c0f\u6216\u5411\u5bb9\u5668\u6dfb\u52a0\u586b\u5145\u3002div<\/code><\/p>\n\n\n\n
<template>\n  <h1 class=\"slds-text-heading_large\">SLDS Example<\/h1>\n  <div class=\"slds-p-top_medium\">\n    <p>Hello!<\/p>\n  <\/div>\n<\/template><\/code><\/pre>\n\n\n\n
\u4ece Lightning Design \u7cfb\u7edf\u84dd\u56fe\u521b\u5efa\u81ea\u5b9a\u4e49\u7ec4\u4ef6<\/h2>\n\n\n\n
\u5982\u679c\u60a8\u627e\u4e0d\u5230\u9002\u5408\u60a8\u7684\u7528\u4f8b\u7684\u57fa\u672c\u7ec4\u4ef6\uff0c\u8bf7\u627e\u5230\u6700\u63a5\u8fd1\u7684 SLDS \u84dd\u56fe\u6765\u5e2e\u52a9\u60a8\u6784\u5efa\u7ec4\u4ef6\u3002\u8bf7\u53c2\u89c1\u4ece SLDS \u84dd\u56fe\u521b\u5efa\u7ec4\u4ef6\u3002<\/p>\n\n\n\n
\u4f7f\u7528\u57fa\u672c Lightning \u7ec4\u4ef6\u8bbe\u8ba1\u53d8\u4f53<\/h2>\n\n\n\n
\u8bb8\u591a\u57fa\u672c\u7684 Lightning \u7ec4\u4ef6\u90fd\u6709\u591a\u79cd\u8bbe\u8ba1\u53d8\u4f53\u3002\u6bcf\u4e2a\u8bbe\u8ba1\u53d8\u4f53\u90fd\u8d4b\u4e88\u7ec4\u4ef6\u4e0d\u540c\u7684\u5916\u89c2\u3002<\/p>\n\n\n\n
\u57fa\u7840\u7ec4\u4ef6\u8bbe\u8ba1\u53d8\u4f53\u5bf9\u5e94\u4e8e\u95ea\u7535\u8bbe\u8ba1\u7cfb\u7edf \uff08SLDS\uff09 \u4e2d\u7684\u53d8\u4f53\u3002\u4f8b\u5982\uff0c\u652f\u6301\u5c06\u4e0d\u540c\u6587\u672c\u548c\u80cc\u666f\u989c\u8272\u5e94\u7528\u4e8e\u6309\u94ae\u7684\u8bbe\u8ba1\u53d8\u4f53\u3002lightning-button<\/code><\/p>\n\n\n\n
\u5982\u679c\u7ec4\u4ef6\u5177\u6709\u8bbe\u8ba1\u53d8\u4f53\uff0c\u5219\u8be5\u7ec4\u4ef6\u5177\u6709\u5c5e\u6027\u3002\u4f7f\u7528\u8be5\u5c5e\u6027\u9009\u53d6\u8bbe\u8ba1\u53d8\u4f53\u3002variant<\/code>variant<\/code><\/p>\n\n\n\n
\u672c\u793a\u4f8b\u521b\u5efa\u4e00\u4e2a\u5177\u6709\u8bbe\u8ba1\u53d8\u4f53\u7684\u6309\u94ae\uff0c\u8be5\u6309\u94ae\u5728\u6309\u94ae\u4e0a\u63d0\u4f9b\u84dd\u8272\u80cc\u666f\u8272\u3002brand<\/code><\/p>\n\n\n\n
<lightning-button\n  variant=\"brand\"\n  label=\"Submit\"\n  title=\"submit form\"\n  onclick={handleClick}\n><\/lightning-button><\/code><\/pre>\n\n\n\n
\u5982\u679c\u672a\u6307\u5b9a \uff0c\u6216\u8005\u6307\u5b9a\u4e86\u4e0d\u652f\u6301\u7684\u503c\uff0c\u5219\u4f7f\u7528\u9ed8\u8ba4\u503c\u3002\u5bf9\u4e8e \uff0c\u7f3a\u7701\u503c\u4e3a \u3002variant<\/code>lightning-button<\/code>neutral<\/code><\/p>\n\n\n\n
\u5982\u679c\u60a8\u6ca1\u6709\u770b\u5230\u60a8\u559c\u6b22\u7684\u8bbe\u8ba1\u53d8\u4f53\uff0c\u6216\u8005\u7ec4\u4ef6\u6ca1\u6709\u5c5e\u6027\uff0c\u8bf7\u4f7f\u7528\u00a0Lightning Design System \u7c7b\u6765\u5b9e\u73b0\u60a8\u60f3\u8981\u7684\u6837\u5f0f\u3002variant<\/code><\/p>\n\n\n\n
\u4f8b\u5982\uff0c\u8981\u5c06\u8fb9\u8ddd\u5b9e\u7528\u7a0b\u5e8f\u7c7b\u5e94\u7528\u4e8e\u57fa\u672c\u7ec4\u4ef6\uff0c\u8bf7\u4f7f\u7528 \u3002lightning-button<\/code>class=\"slds-m-left_medium\"<\/code><\/p>\n\n\n\n
<lightning-button\n  variant=\"brand\"\n  label=\"Submit\"\n  title=\"submit\"\n  onclick={handleSubmit}\n  class=\"slds-m-left_medium\"\n><\/lightning-button><\/code><\/pre>\n\n\n\n
\u8fd8\u53ef\u4ee5\u5c06\u5b9e\u7528\u5de5\u5177\u7c7b\u5e94\u7528\u4e8e\u5d4c\u5957\u5728\u67d0\u4e9b\u57fa\u672c\u7ec4\u4ef6\u4e2d\u7684\u5143\u7d20\uff0c\u5982\u4ee5\u4e0b\u793a\u4f8b\u6240\u793a\u3002\u57fa\u672c\u7ec4\u4ef6\u7684\u4e3b\u4f53\u4f7f\u7528\u586b\u5145\u5b9e\u7528\u7a0b\u5e8f\u7c7b\u3002lightning-card<\/code>slds-p-horizontal_small<\/code><\/p>\n\n\n\n
<lightning-card title=\"Hello\">\n  <lightning-button label=\"New\" slot=\"actions\"><\/lightning-button>\n  <p class=\"slds-p-horizontal_small\">Card Body (custom component)<\/p>\n  <p slot=\"footer\">Card Footer<\/p>\n<\/lightning-card><\/code><\/pre>\n\n\n\n
\u5982\u679c\u627e\u4e0d\u5230\u5408\u9002\u7684\u8bbe\u8ba1\u53d8\u4f53\u6216 SLDS \u7c7b\uff0c\u8bf7\u8003\u8651\u4f7f\u7528\u6837\u5f0f\u6302\u94a9\u3002<\/p>\n\n\n\n
\u63d0\u793a<\/p>\n\n\n\n
\u5728\u201c\u7ec4\u4ef6\u53c2\u8003\u201d\u4e2d\u67e5\u770b\u57fa\u672c\u7ec4\u4ef6\u7684\u8bbe\u8ba1\u53d8\u4f53\u548c\u4ea4\u4e92\u5f0f\u793a\u4f8b\u3002<\/p>\n\n\n\n
\u4f7f\u7528 Lightning Design System \u6837\u5f0f\u94a9\u5b50\u8bbe\u7f6e\u7ec4\u4ef6\u6837\u5f0f<\/h2>\n\n\n\n
\u501f\u52a9 Salesforce Lightning Design System \uff08SLDS\uff09 \u6837\u5f0f\u6302\u94a9\uff0c\u53ef\u4ee5\u8f7b\u677e\u81ea\u5b9a\u4e49\u7ec4\u4ef6\u6837\u5f0f\u5e76\u8868\u8fbe\u60a8\u7684\u54c1\u724c\u3002\u6837\u5f0f\u6302\u94a9\u63d0\u4f9b\u4e0e SLDS \u7ec4\u4ef6\u84dd\u56fe\u548c\u8bbe\u8ba1\u53d8\u4f53\u76f8\u5bf9\u5e94\u7684 CSS \u81ea\u5b9a\u4e49\u5c5e\u6027\u3002\u8981\u81ea\u5b9a\u4e49 SLDS \u6837\u5f0f\uff0c\u8bf7\u5728\u7ec4\u4ef6\u7684\u6837\u5f0f\u8868\u4e2d\u58f0\u660e\u76f8\u5e94\u7684\u81ea\u5b9a\u4e49\u5c5e\u6027\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u81ea\u5b9a\u4e49\u5c5e\u6027\u6765\u8bbe\u7f6e\u57fa\u672c\u7ec4\u4ef6\u548c\u81ea\u5b9a\u4e49\u7ec4\u4ef6\u7684\u6837\u5f0f\u3002<\/p>\n\n\n\n
\u63d0\u793a<\/p>\n\n\n\n
\u8981\u66f4\u6539\u57fa\u672c Lightning \u7ec4\u4ef6\u7684\u6837\u5f0f\uff0c\u8bf7\u9996\u5148\u68c0\u67e5\u8be5\u7ec4\u4ef6\u662f\u5426\u6709\u8bbe\u8ba1\u53d8\u4f53\u3002\u8981\u66f4\u6539\u7ec4\u4ef6\u7684\u95f4\u8ddd\uff0c\u4f8b\u5982\u5bf9\u9f50\u65b9\u5f0f\u3001\u586b\u5145\u3001\u8fb9\u8ddd\uff0c\u751a\u81f3\u5176\u6392\u7248\uff0c\u8bf7\u67e5\u770b\u00a0Lightning Design System \u5b9e\u7528\u7a0b\u5e8f\u7c7b\u3002\u5982\u679c\u8fd9\u4e9b\u6280\u672f\u4e0d\u9002\u7528\u4e8e\u60a8\u7684\u7528\u4f8b\uff0c\u8bf7\u5c1d\u8bd5 SLDS \u6837\u5f0f\u6302\u94a9\u3002<\/p>\n\n\n\n
\u6837\u5f0f\u94a9\u5b50\u662f SLDS \u6837\u5f0f\u8868\u4e2d\u7684\u5360\u4f4d\u7b26\uff0c\u4f8b\u5982\uff0c\u5b83\u4f7f\u60a8\u80fd\u591f\u4f7f\u7528\u76f8\u5e94\u7684 CSS \u81ea\u5b9a\u4e49\u5c5e\u6027\u6765\u81ea\u5b9a\u4e49\u6837\u5f0f\u3002var(--slds-c-badge--color-background, #ecebea)<\/code>--slds-c-badge-color-background<\/code><\/p>\n\n\n\n
CSS \u5b9a\u5236\u5c5e\u6027\u5bf9\u5e94\u4e8e SLDS \u7ec4\u4ef6\u84dd\u56fe\u53ca\u5176\u8bbe\u8ba1\u53d8\u4f53\u3002\u4f8b\u5982\uff0c\u81ea\u5b9a\u4e49\u5c5e\u6027\u4e0e\u5177\u6709\u54c1\u724c\u53d8\u4f53\u7684\u6309\u94ae\u84dd\u56fe\u76f8\u5bf9\u5e94\u3002--slds-c-button-brand-*<\/code><\/p>\n\n\n\n
\u7ec4\u4ef6\u7ea7\u4e0e\u5168\u5c40\u989c\u8272\u6837\u5f0f\u6302\u94a9<\/h2>\n\n\n\n
\u7ec4\u4ef6\u7ea7\u6837\u5f0f\u6302\u94a9 \uff08\uff09 \u4f7f\u60a8\u80fd\u591f\u66f4\u65b0\u7279\u5b9a\u7ec4\u4ef6\u4e2d\u7684\u5c5e\u6027\u3002\u4f8b\u5982\uff0c\u82e5\u8981\u5c06\u8f83\u7c97\u7684\u8fb9\u6846\u5e94\u7528\u4e8e\u5355\u4e2a\u6309\u94ae\uff0c\u8bf7\u7f16\u8f91\u8be5\u6309\u94ae\u7684\u7ec4\u4ef6\u6302\u94a9\uff0c\u5b83\u4e0d\u4f1a\u5f71\u54cd\u4efb\u4f55\u5176\u4ed6\u7ec4\u4ef6\u3002\u8bf7\u53c2\u9605\u00a0Lightning Design System\uff1a Styling Hooks\u3002--slds-c-*<\/code><\/p>\n\n\n\n
\u5168\u5c40\u989c\u8272\u6837\u5f0f\u6302\u94a9 \uff08\uff09 \u662f\u9884\u5b9a\u4e49\u7684\u503c\uff0c\u7528\u4e8e\u5728\u5e94\u7528\u4e2d\u5168\u5c40\u4f7f\u7528\u3002\u4f8b\u5982\uff0c\u82e5\u8981\u91cd\u65b0\u547d\u540d\u5e94\u7528\u7a0b\u5e8f\uff0c\u8bf7\u4f7f\u7528\u5168\u5c40\u6302\u94a9\u5bf9\u6b63\u5728\u4f7f\u7528\u7684\u6240\u6709\u7ec4\u4ef6\u8fdb\u884c\u66f4\u6539\u3002\u8bf7\u53c2\u9605\u00a0Lightning Design System\uff1a Global Color Styling Hooks\u3002--slds-g-*<\/code><\/p>\n\n\n\n
\u6211\u4eec\u5efa\u8bae\u60a8\u8fdb\u884c\u7684\u4efb\u4f55\u989c\u8272\u81ea\u5b9a\u4e49\u90fd\u7b26\u5408\u00a0Web \u5185\u5bb9\u8f85\u52a9\u529f\u80fd\u6307\u5357 \uff08WCAG\uff09\u00a02.1 \u6587\u672c\u548c\u975e\u6587\u672c\u989c\u8272\u5bf9\u6bd4\u5ea6\u6807\u51c6\u3002\u8bf7\u53c2\u9605\u00a0Lightning Design System\uff1a\u8fc1\u79fb\u6307\u5357\u3002<\/p>\n\n\n\n
\u7ec4\u4ef6\u7ea7\u6837\u5f0f\u94a9\u5b50\u793a\u4f8b<\/h2>\n\n\n\n
\u8ba9\u6211\u4eec\u770b\u4e00\u4e2a Lightning Web \u7ec4\u4ef6\uff0c\u8be5\u7ec4\u4ef6\u5b9e\u73b0\u4e86\u5e26\u6709\u54c1\u724c\u53d8\u4f53\u7684 SLDS \u6309\u94ae\u84dd\u56fe\uff0c\u8be5\u84dd\u56fe\u5c06\u80cc\u666f\u989c\u8272\u8f6c\u6362\u4e3a\u6807\u51c6 Salesforce \u84dd\u8272\u3002<\/p>\n\n\n\n
<!-- myButton.html -->\n<template>\n  <button class=\"slds-button slds-button_brand\">Submit<\/button><\/div>\n<\/template><\/code><\/pre>\n\n\n\n
\u91cd\u8981<\/p>\n\n\n\n
\u4e0d\u8981\u76f4\u63a5\u8986\u76d6 SLDS \u7c7b\uff0c\u5982\u672c\u793a\u4f8b\u6240\u793a\u3002<\/p>\n\n\n\n
\/* myButton.css *\/\n\/* Anti-pattern - Don't do this *\/\n.slds-button_brand {\n  background-color: purple;\n}\n<\/code><\/pre>\n\n\n\n
\u4e0d\u652f\u6301 CSS \u8986\u76d6\uff0c\u56e0\u4e3a SLDS \u7c7b\u548c\u57fa\u672c\u7ec4\u4ef6\u5185\u90e8\u7ed3\u6784\u5728\u5c06\u6765\u7684\u53d1\u884c\u7248\u4e2d\u53ef\u80fd\u4f1a\u66f4\u6539\u3002\u66ff\u4ee3\u53ef\u80fd\u4f1a\u8fc7\u65f6\uff0c\u4e0d\u518d\u6309\u9884\u671f\u5de5\u4f5c\u3002<\/p>\n\n\n\n
\u8bf7\u6539\u7528 CSS \u81ea\u5b9a\u4e49\u5c5e\u6027\uff0c\u5982\u4e0b\u4f8b\u6240\u793a\u3002<\/p>\n\n\n\n
\u8981\u5bf9\u54c1\u724c\u53d8\u4f53\u5e94\u7528\u4e0d\u540c\u7684\u80cc\u666f\u989c\u8272\uff0c\u8bf7\u6307\u5b9a\u76f8\u5e94\u7684 CSS \u81ea\u5b9a\u4e49\u5c5e\u6027\uff0c\u5373 \u3002\u8981\u4f7f\u7528\u81ea\u5b9a\u4e49\u6837\u5f0f\u5b9a\u4f4d\u7ec4\u4ef6\u4e2d\u7684\u6240\u6709\u5143\u7d20\uff0c\u8bf7\u4f7f\u7528\u00a0\uff1ahost<\/code>\u00a0\u9009\u62e9\u5668\u3002--slds-c-button-brand-color-background<\/code><\/p>\n\n\n\n
\/* myButton.css *\/\n:host {\n  --slds-c-button-brand-color-background: purple;\n  --slds-c-button-brand-color-border: purple;\n  \/* Other CSS custom properties here *\/\n}<\/code><\/pre>\n\n\n\n
\u6216\u8005\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u5176\u4ed6\u9009\u62e9\u5668\uff08\u5982\u5143\u7d20\u6216\u81ea\u5b9a\u4e49\u7c7b\uff09\u6765\u9650\u5b9a\u81ea\u5b9a\u4e49\u8303\u56f4\u3002<\/p>\n\n\n\n
\u57fa\u672c\u7ec4\u4ef6\u5b9e\u73b0 SLDS \u7ec4\u4ef6\u84dd\u56fe\u5e76\u4f7f\u7528 SLDS \u6837\u5f0f\u3002\u8981\u5728\u57fa\u672c\u7ec4\u4ef6\uff08\u5982 \uff09\u4e0a\u81ea\u5b9a\u4e49 SLDS \u6837\u5f0f\uff0c\u8bf7\u4f7f\u7528\u76f8\u5e94\u7684 CSS \u81ea\u5b9a\u4e49\u5c5e\u6027\u3002lightning-button<\/code><\/p>\n\n\n\n
<!-- myBaseButton.html -->\n<template>\n  <lightning-button variant=\"brand\" label=\"Submit\" onclick={handleClick}><\/lightning-button>\n<\/template><\/code><\/pre>\n\n\n\n
\/* myBaseButton.css *\/\n:host {\n  --slds-c-button-brand-color-background: orange;\n  --slds-c-button-brand-color-border: orange;\n  \/* Other CSS custom properties here *\/\n}<\/code><\/pre>\n\n\n\n
\u6ce8\u610f<\/p>\n\n\n\n
\u6709\u5173\u6837\u5f0f\u6302\u94a9\u7684\u5b8c\u6574\u5217\u8868\uff0c\u8bf7\u53c2\u9605\u6bcf\u4e2a\u7ec4\u4ef6\u7684\u84dd\u56fe\u3002\u4f8b\u5982\uff0cButtons \u6837\u5f0f\u6302\u94a9\u5217\u5728\u00a0lightningdesignsystem.com\/components\/buttons\/#Styling-Hooks-Overview\u00a0\u4e2d\u3002\u82e5\u8981\u4e86\u89e3\u6709\u5173\u8bbe\u7f6e\u6302\u94a9\u6837\u5f0f\u7684\u8be6\u7ec6\u4fe1\u606f\uff0c\u8bf7\u53c2\u9605\u00a0lightningdesignsystem.com\/platforms\/lightning\/styling-hooks\/\u3002<\/p>\n\n\n\n
\u652f\u6301\u9650\u5236<\/h2>\n\n\n\n
\u7ec4\u4ef6\u84dd\u56fe<\/p>\n\n\n\n
\u8fd9\u4e9b Lightning Design System \u7ec4\u4ef6\u84dd\u56fe\u53ca\u5176 CSS \u81ea\u5b9a\u4e49\u5c5e\u6027\u5728\u57fa\u7840\u7ec4\u4ef6\u4e0a\u4e0d\u53d7\u652f\u6301\u3002<\/p>\n\n\n\n
    \n
  • \u6a21\u6001 – \u6a21\u6001\u7ec4\u4ef6\u84dd\u56fe\u4e0e\u57fa\u7840\u7ec4\u4ef6\u4e0d\u5bf9\u5e94\u3002<\/li>\n\n\n\n
  • Toast – \u6a21\u5757\u4e0d\u652f\u6301\u81ea\u5b9a\u4e49\u5c5e\u6027\u3002lightning\/platformShowToastEvent<\/code>--slds-c-toast-*<\/code><\/li>\n\n\n\n
  • \u5de5\u5177\u63d0\u793a – \u7ec4\u4ef6\u4e0d\u652f\u6301\u81ea\u5b9a\u4e49\u5c5e\u6027\u3002lightning-helptext<\/code>--slds-c-tooltip-*<\/code><\/li>\n<\/ul>\n\n\n\n
    \u94fe\u63a5<\/p>\n\n\n\n
    \u4e0d\u652f\u6301\u4f7f\u7528\u81ea\u5b9a\u4e49\u5c5e\u6027\u8bbe\u7f6e\u94fe\u63a5\u7684\u6837\u5f0f\u3002\u94fe\u63a5\u7528\u4e8e\u57fa\u672c\u7ec4\u4ef6\uff08\u5982 \u548c\uff09\u548c\u6a21\u5757\u4e2d\u3002lightning-breadcrumb<\/code>lightning-formatted-*<\/code>lightning\/navigation<\/code>\u8868\u5355\u5143\u7d20<\/p>\n\n\n\n
    \u4e0d\u652f\u6301\u4f7f\u7528\u81ea\u5b9a\u4e49\u5c5e\u6027\u8bbe\u7f6e\u8868\u5355\u5143\u7d20\u7684\u6837\u5f0f\u3002\u8868\u5355\u5143\u7d20\u7528\u4e8e,,,\u7ec4\u4ef6\u4e2d\u3002lightning-input-*<\/code>lightning-checkbox-group<\/code>lightning-radio-group<\/code>lightning-textarea<\/code><\/p>\n\n\n\n
    \u52a9\u60a8\u6784\u5efa\u81ea\u5df1\u7684\u81ea\u5b9a\u4e49\u7ec4\u4ef6\u3002<\/p>\n\n\n\n
    \u9996\u5148\uff0c\u6211\u4eec\u5047\u8bbe\u60a8\u5df2\u7ecf\u7528\u5c3d\u4e86\u201c\u7ec4\u4ef6\u5f15\u7528\u201d\u4e2d\u53ef\u7528\u7684\u57fa\u672c\u7ec4\u4ef6\u5217\u8868\uff0c\u5e76\u4e14\u60a8\u65e0\u6cd5\u4f7f\u7528\u6837\u5f0f\u6302\u94a9\u81ea\u5b9a\u4e49\u57fa\u672c\u7ec4\u4ef6\u4e0a\u7684\u6837\u5f0f\u4ee5\u6ee1\u8db3\u60a8\u7684\u8981\u6c42\u3002<\/p>\n\n\n\n
    \u8981\u4ece SLDS \u84dd\u56fe\u6784\u5efa\u7ec4\u4ef6\uff0c\u8bf7\u641c\u7d22\u00a0SLDS \u84dd\u56fe\u76ee\u5f55\u4ee5\u67e5\u627e\u6700\u63a5\u8fd1\u60a8\u7684\u7ec4\u4ef6\u7684\u8bbe\u8ba1\u3002\u5982\u679c SLDS \u84dd\u56fe\u5177\u6709\u76f8\u5e94\u7684\u57fa\u672c\u7ec4\u4ef6\uff0c\u5219\u8be5\u84dd\u56fe\u5728\u9875\u9762\u53f3\u4e0a\u89d2\u6709\u4e00\u4e2a\u00a0Lightning \u7ec4\u4ef6<\/strong>\u6309\u94ae \uff081\uff09\u3002\u6bcf\u4e2a\u84dd\u56fe\u90fd\u63d0\u4f9b\u4e86\u5176\u8bbe\u5907\u652f\u6301 \uff082\uff09 \u7684\u8be6\u7ec6\u4fe1\u606f – \u81ea\u9002\u5e94\u3001\u54cd\u5e94\u5f0f\u6216\u4ec5\u9650\u684c\u9762\u3002\u81ea\u9002\u5e94\u84dd\u56fe\u5177\u6709\u975e\u684c\u9762\u65ad\u70b9\u7684\u6807\u8bb0\uff0c\u800c\u54cd\u5e94\u5f0f\u84dd\u56fe\u5219\u53ef\u8de8\u5c4f\u5e55\u5927\u5c0f\u4f18\u96c5\u5730\u7f29\u653e\u3002<\/p>\n\n\n\n
    \"\"<\/figure>\n\n\n\n
    \u5c3d\u7ba1\u57fa\u672c\u7ec4\u4ef6\u5b9e\u73b0\u4e86 SLDS \u6837\u5f0f\uff0c\u4f46\u5e76\u975e\u6240\u6709\u57fa\u672c\u7ec4\u4ef6\u90fd\u652f\u6301\u79fb\u52a8\u5c4f\u5e55\u3002\u57fa\u672c\u7ec4\u4ef6\u6587\u6863\u4e2d\u5217\u51fa\u4e86\u652f\u6301\u3002<\/p>\n\n\n\n
    \u4f8b\u5982\uff0c\u6570\u636e\u8868 SLDS \u84dd\u56fe\u662f\u81ea\u9002\u5e94\u7684\uff0c\u4f46\u57fa\u672c\u7ec4\u4ef6\u4e0d\u652f\u6301\u79fb\u52a8\u8bbe\u5907\u3002\u6b64\u5916\uff0c\u8bf7\u8003\u8651\u81ea\u9002\u5e94\u9009\u9879\u5361 SLDS \u84dd\u56fe\uff0c\u5176\u4e2d\u9009\u9879\u5361\u5728\u79fb\u52a8\u5c4f\u5e55\u4e0a\u5806\u53e0\u5e76\u5145\u5f53\u6309\u94ae\u3002\u76f8\u5e94\u7684\u4e0d\u652f\u6301\u6b64\u79fb\u52a8\u884c\u4e3a\u3002lightning-datatablelightning-tabset<\/code><\/p>\n\n\n\n
    \u4ece\u57fa\u672c\u53d8\u5316\u5f00\u59cb<\/h2>\n\n\n\n
    \u5047\u8bbe\u60a8\u8981\u521b\u5efa\u4e00\u4e2a\u4f5c\u7528\u57df\u901a\u77e5\uff0c\u5e76\u4e14\u60a8\u77e5\u9053\u6ca1\u6709\u76f8\u5e94\u7684 Lightning Web \u7ec4\u4ef6\u3002\u4ece SLDS \u84dd\u56fe\u4e0a\u7684\u57fa\u672c\u53d8\u4f53\u5f00\u59cb\uff0c\u7136\u540e\u4ece\u90a3\u91cc\u5f00\u59cb\u6784\u5efa\u3002\u9996\u5148\uff0c\u5c06\u54cd\u5e94\u5f0f\u57fa\u672c\u53d8\u4f53\u6807\u8bb0\u590d\u5236\u5e76\u7c98\u8d34\u5230\u6a21\u677f\u4e2d\u3002<\/p>\n\n\n\n
    <template>\n  <div\n    class=\"slds-scoped-notification slds-media slds-media_center slds-scoped-notification_light\"\n    role=\"status\"\n  >\n    <div class=\"slds-media__figure\">\n      <span class=\"slds-icon_container slds-icon-utility-info\" title=\"information\">\n        <svg class=\"slds-icon slds-icon_small slds-icon-text-default\" aria-hidden=\"true\">\n          <use xlink:href=\"\/assets\/icons\/utility-sprite\/svg\/symbols.svg#info\"><\/use>\n        <\/svg>\n        <span class=\"slds-assistive-text\">information<\/span>\n      <\/span>\n    <\/div>\n    <div class=\"slds-media__body\">\n      <p>\n        It looks as if duplicates exist for this lead.\n        <a href=\"javascript:void(0);\">View Duplicates.<\/a>\n      <\/p>\n    <\/div>\n  <\/div>\n<\/template><\/code><\/pre>\n\n\n\n
    \u901a\u77e5\u5728\u6807\u8bb0\u4e2d\u5305\u542b\u4e00\u4e2a\u56fe\u6807\u3002\u5c06\u56fe\u6807\u66ff\u6362\u4e3a\u57fa\u672c\u7ec4\u4ef6\u3002svg<\/code><div class=\"slds-media__figure\"><\/code>lightning-icon<\/code><\/p>\n\n\n\n
    <template>\n  <div\n    class=\"slds-scoped-notification slds-media slds-media_center slds-scoped-notification_light\"\n    role=\"status\"\n  >\n    <div class=\"slds-media__figure\">\n      <lightning-icon\n        icon-name=\"utility:info\"\n        alternative-text=\"information\"\n        size=\"small\"\n      ><\/lightning-icon>\n    <\/div>\n    <div class=\"slds-media__body\">\n      <p>\n        It looks as if duplicates exist for this lead.\n        <a href=\"javascript:void(0);\">View Duplicates.<\/a>\n      <\/p>\n    <\/div>\n  <\/div>\n<\/template><\/code><\/pre>\n\n\n\n
    \u5c06\u6d88\u606f\u79fb\u52a8\u5230\u7ec4\u4ef6\u7684 JavaScript \u6587\u4ef6\uff0c\u5e76\u5c06\u5c5e\u6027\u7ed1\u5b9a\u5230\u6a21\u677f\u3002message<\/code><\/p>\n\n\n\n
    <template>\n  <div\n    class=\"slds-scoped-notification slds-media slds-media_center slds-scoped-notification_light\"\n    role=\"status\"\n  >\n    <div class=\"slds-media__figure\">\n      <lightning-icon\n        icon-name=\"utility:info\"\n        alternative-text=\"information\"\n        size=\"small\"\n      ><\/lightning-icon>\n    <\/div>\n    <div class=\"slds-media__body\">\n      <p>{message}<\/p>\n    <\/div>\n  <\/div>\n<\/template><\/code><\/pre>\n\n\n\n
    import { LightningElement, api } from \"lwc\";\n\nexport default class ScopedNotification extends LightningElement {\n  @api message = \"It looks as if duplicates exist ...\";\n}<\/code><\/pre>\n\n\n\n
    \u521b\u5efa\u6837\u5f0f\u4e3b\u9898\u548c\u53d8\u4f53<\/h2>\n\n\n\n
    \u4f5c\u7528\u57df\u901a\u77e5\u84dd\u56fe\u5305\u62ec\u8981\u5728\u7ec4\u4ef6\u4e2d\u6355\u83b7\u7684\u4e0d\u540c\u4e3b\u9898\uff08\u6d45\u8272\u548c\u6df1\u8272\uff09\u3002\u4f7f\u7528 getter \u51fd\u6570\u8fd4\u56de\u6240\u9009\u4e3b\u9898\u7684\u7c7b\u540d\u3002<\/p>\n\n\n\n
    import { LightningElement, api } from \"lwc\";\n\nexport default class ScopedNotification extends LightningElement {\n  @api message = \"Your message here\";\n  @api theme = \"\";\n\n  get scopedNotificationClass() {\n    let className = \"slds-scoped-notification slds-media slds-media_center\";\n    if (this.theme === \"light\") {\n      className += \" slds-scoped-notification_light\";\n    }\n    if (this.theme === \"dark\") {\n      className += \" slds-scoped-notification_dark\";\n    }\n    return className;\n  }\n}<\/code><\/pre>\n\n\n\n
    \u66f4\u6539\u4e3b\u9898\u65f6\uff0c\u56fe\u6807\u6837\u5f0f\u4f1a\u66f4\u6539\u3002\u6df1\u8272\u4e3b\u9898\u4f7f\u7528\u53cd\u5411\u53d8\u4f53\u3002\u6dfb\u52a0\u4e00\u4e2a getter \u4ee5\u8fd4\u56de\u6b63\u786e\u7684\u53d8\u4f53\u3002<\/p>\n\n\n\n
    get iconVariant() {\n  let iconVariant = null;\n\n  if (this.theme == 'dark') {\n    iconVariant = 'inverse';\n  }\n\n  return iconVariant;\n}<\/code><\/pre>\n\n\n\n
    \u66f4\u65b0\u6807\u8bb0\uff0c\u4f7f\u5176\u6839\u636e\u60a8\u4f7f\u7528\u7684\u4e3b\u9898\u8fdb\u884c\u8c03\u6574\u3002\u4ece\u84dd\u56fe\u4e2d\u4fee\u6539\u6b64\u9759\u6001\u6807\u8bb0\u4ee5\u4f7f\u7528\u52a8\u6001\u6837\u5f0f\u3002<\/p>\n\n\n\n
    <div\n  class=\"slds-scoped-notification\n    slds-media\n    slds-media_center\n    slds-scoped-notification_light\"\n  role=\"status\"\n><\/div><\/code><\/pre>\n\n\n\n
    \u5c06\u6a21\u677f\u4e2d\u7684\u7c7b\u7ed1\u5b9a\u5230 getter\u3002scopedNotificationClass<\/code><\/p>\n\n\n\n
    <div class={scopedNotificationClass} role=\"status\"><\/div><\/code><\/pre>\n\n\n\n
    \u540c\u6837\uff0c\u5c06 variant \u5c5e\u6027\u7ed1\u5b9a\u5230 getter\u3002lightning-icon<\/code>iconVariant<\/code><\/p>\n\n\n\n
    <lightning-icon\n  icon-name=\"utility:info\"\n  alternative-text=\"information\"\n  size=\"small\"\n  variant={iconVariant}\n><\/lightning-icon><\/code><\/pre>\n\n\n\n
    \u5b9e\u73b0\u7ec4\u4ef6<\/h2>\n\n\n\n
    \u60a8\u7684\u7ec4\u4ef6\u5df2\u51c6\u5907\u597d\u5f00\u59cb\u64cd\u4f5c\u3002\u60a8\u53ef\u4ee5\u5728\u5176\u4ed6\u7ec4\u4ef6\u4e2d\u4f7f\u7528\u5b83\uff0c\u4e5f\u53ef\u4ee5\u5c06\u5176\u5305\u542b\u5728\u00a0Lightning \u5e94\u7528\u7a0b\u5e8f\u751f\u6210\u5668\u7684\u9875\u9762\u4e0a\u3002<\/p>\n\n\n\n
    \u6b64\u793a\u4f8b\u4f7f\u7528\u53e6\u4e00\u4e2a Lightning Web \u7ec4\u4ef6\u4e2d\u7684\u7ec4\u4ef6\u3002\u8be5\u793a\u4f8b\u63d0\u4f9b\u54cd\u5e94\u5f0f\u7f51\u683c\u5e03\u5c40\uff0c\u5e76\u4e0e\u00a0Tabs SLDS \u84dd\u56fe\u76f8\u5bf9\u5e94\u3002c-scoped-notificationlightning-layoutlightning-tabset<\/code><\/p>\n\n\n\n
    <lightning-card>\n  <lightning-layout multiple-rows>\n    <lightning-layout-item size=\"12\" small-device-size=\"9\" padding=\"around-small\">\n      <lightning-tabset>\n        <lightning-tab label=\"Item one\">\n          <div class=\"slds-m-bottom_small\">\n            <c-scoped-notification message=\"Hello notification!\" theme=\"light\">\n            <\/c-scoped-notification>\n          <\/div>\n        <\/lightning-tab>\n        <lightning-tab label=\"Item two\"> Tab 2 content here <\/lightning-tab>\n      <\/lightning-tabset>\n    <\/lightning-layout-item>\n    <lightning-layout-item size=\"12\" small-device-size=\"3\" padding=\"around-small\">\n      <p>Sidebar Content Goes Here<\/p>\n    <\/lightning-layout-item>\n  <\/lightning-layout>\n<\/lightning-card><\/code><\/pre>\n\n\n\n
    \u7531\u4e8e\u6211\u4eec\u6307\u5b9a \uff0c\u7b2c\u4e00\u4e2a\u4e2d\u7684\u5185\u5bb9\u5360\u636e\u4e86\u5e73\u677f\u7535\u8111\u6216\u53f0\u5f0f\u673a\u4e0a\u5c4f\u5e55\u5bbd\u5ea6\u7684 75%\uff08480 px \u6216\u66f4\u54cd\u5e94\u7684\u65ad\u70b9\uff09\u3002\u5728\u79fb\u52a8\u8bbe\u5907\u4e0a\u67e5\u770b\u65f6\uff0c\u5c06\u5185\u5bb9\u8c03\u6574\u4e3a\u5360\u636e\u5c4f\u5e55\u5bbd\u5ea6\u7684 100%\u3002\u8bf7\u53c2\u9605\u521b\u5efa\u54cd\u5e94\u5f0f\u5e03\u5c40\u3002small-device-size=\"9\"lightning-layout-itemsize=\"12\"<\/code><\/p>\n\n\n\n
    \u4f7f\u7528 Lightning Design System Design \u4ee4\u724c<\/h2>\n\n\n\n
    \u8bbe\u8ba1\u6807\u8bb0\u662f\u5b58\u50a8\u89c6\u89c9\u8bbe\u8ba1\u5c5e\u6027\u7684\u547d\u540d\u5b9e\u4f53\uff0c\u4f8b\u5982\u8fb9\u8ddd\u548c\u95f4\u8ddd\u503c\u3001\u5b57\u4f53\u5927\u5c0f\u548c\u7cfb\u5217\u6216\u989c\u8272\u7684\u5341\u516d\u8fdb\u5236\u503c\u3002<\/p>\n\n\n\n
    \u63d0\u793a<\/p>\n\n\n\n
    \u4ece 24 \u5e74\u51ac\u5b63\u5f00\u59cb\uff0c\u6211\u4eec\u5efa\u8bae\u60a8\u5c3d\u53ef\u80fd\u4f7f\u7528\u5168\u5c40\u989c\u8272\u6837\u5f0f\u6302\u94a9\u800c\u4e0d\u662f\u8bbe\u8ba1\u6807\u8bb0\uff0c\u4ee5\u7b26\u5408\u00a0Web \u5185\u5bb9\u53ef\u8bbf\u95ee\u6027\u6307\u5357 \uff08WCAG\uff09\u00a02.1 \u989c\u8272\u5bf9\u6bd4\u5ea6\u6807\u51c6\u3002\u8bf7\u53c2\u9605\u00a0Lightning Design System\uff1a\u8fc1\u79fb\u6307\u5357\u3002<\/p>\n\n\n\n
    \u5728 Lightning Web \u7ec4\u4ef6\u4e2d\u4f7f\u7528 CSS \u53d8\u91cf\u6765\u8bbf\u95ee Lightning Design System \u8bbe\u8ba1\u4ee4\u724c\u3002Lightning Web \u7ec4\u4ef6\u53ef\u4ee5\u4f7f\u7528\u4efb\u4f55\u6807\u8bb0\u4e3a\u201c\u5168\u5c40\u8bbf\u95ee\u201d\u7684 Lightning \u8bbe\u8ba1\u7cfb\u7edf\u8bbe\u8ba1\u4ee4\u724c\u3002<\/p>\n\n\n\n
    \u91cd\u8981<\/p>\n\n\n\n
    \u5982\u679c\u6536\u5230\u9519\u8bef\uff1a\uff0c\u5219\u53ef\u80fd\u662f\u60a8\u4f7f\u7528\u7684\u4ee4\u724c\u672a\u6807\u8bb0\u4e3a\u201c\u5168\u5c40\u8bbf\u95ee\u201d\u3002\u4f7f\u7528\u5168\u5c40\u4ee4\u724c\u6216\u4f7f\u7528\u81ea\u5b9a\u4e49 Aura \u8bbe\u8ba1\u4ee4\u724c\u3002No TOKEN named {tokenName} found<\/code><\/p>\n\n\n\n
    \u8981\u5728 Lightning Web \u7ec4\u4ef6\u7684 CSS \u4e2d\u5f15\u7528\u8bbe\u8ba1\u4ee4\u724c\uff0c\u8bf7\u4f7f\u7528\u524d\u7f00\u5e76\u5f15\u7528 \u4e2d\u7684\u4ee4\u724c\u540d\u79f0\u3002--lwc-<\/code>camelCase<\/code><\/p>\n\n\n\n
    \/* myWebComponent.css *\/\ndiv {\n  margin-right: var(--lwc-spacingSmall);\n}<\/code><\/pre>\n\n\n\n
    \u6ce8\u610f<\/p>\n\n\n\n
    \u5728\u7f16\u8bd1\u65f6\uff0c\u6211\u4eec\u5c06\u53d8\u91cf\u66ff\u6362\u4e3a\u5b83\u4eec\u7684\u5b9e\u9645\u503c\uff0c\u8fd9\u610f\u5473\u7740\u5728\u8fd0\u884c\u65f6\uff0c\u5bf9\u53d8\u91cf\u7684\u5f15\u7528\u4e0d\u8d77\u4f5c\u7528\u3002\u4f8b\u5982\uff0c\u4e0d\u80fd\u4f7f\u7528\u6807\u51c6 API \u6216\u53d8\u91cf\u3002CSSStyleDeclaration.getPropertyValue()<\/code>CSSStyleDeclaration.setPropertyValue()<\/code><\/p>\n\n\n\n
    \u4f7f\u7528\u81ea\u5b9a\u4e49 Aura Token<\/h2>\n\n\n\n
    Lightning Web \u7ec4\u4ef6\u7684 CSS \u6587\u4ef6\u53ef\u4ee5\u4f7f\u7528\u5728\u60a8\u7684\u7ec4\u7ec7\u4e2d\u521b\u5efa\u6216\u4ece\u975e\u6258\u7ba1\u8f6f\u4ef6\u5305\u5b89\u88c5\u7684\u81ea\u5b9a\u4e49 Aura \u4ee4\u724c\u3002<\/p>\n\n\n\n
    \u5c06\u89c6\u89c9\u8bbe\u8ba1\u7684\u57fa\u672c\u4ef7\u503c\u6355\u83b7\u5230\u81ea\u5b9a\u4e49 Aura Token\u4e2d\u3002\u5b9a\u4e49\u4e00\u6b21\u4ee4\u724c\u503c\uff0c\u7136\u540e\u5728 Lightning \u7ec4\u4ef6\u7684 CSS \u4e2d\u91cd\u590d\u4f7f\u7528\u5b83\u3002\u4ee4\u724c\u53ef\u4ee5\u8f7b\u677e\u786e\u4fdd\u60a8\u7684\u8bbe\u8ba1\u4fdd\u6301\u4e00\u81f4\uff0c\u751a\u81f3\u66f4\u5bb9\u6613\u968f\u7740\u8bbe\u8ba1\u7684\u53d1\u5c55\u800c\u66f4\u65b0\u8bbe\u8ba1\u3002<\/p>\n\n\n\n
    \u63d0\u793a<\/p>\n\n\n\n
    \u4ece 24 \u5e74\u51ac\u5b63\u5f00\u59cb\uff0c\u6211\u4eec\u5efa\u8bae\u60a8\u5c3d\u53ef\u80fd\u4f7f\u7528\u5168\u5c40\u989c\u8272\u6837\u5f0f\u6302\u94a9\u800c\u4e0d\u662f\u81ea\u5b9a\u4e49 Aura \u4ee4\u724c\uff0c\u4ee5\u7b26\u5408\u00a0Web \u5185\u5bb9\u53ef\u8bbf\u95ee\u6027\u6307\u5357 \uff08WCAG\uff09\u00a02.1 \u989c\u8272\u5bf9\u6bd4\u5ea6\u6807\u51c6\u3002\u8bf7\u53c2\u9605\u00a0Lightning Design System\uff1a\u8fc1\u79fb\u6307\u5357\u3002<\/p>\n\n\n\n
    \u901a\u8fc7\u521b\u5efa Lightning Token\u6346\u7ed1\u5305\uff0c\u5728\u5f00\u53d1\u8005\u63a7\u5236\u53f0\u4e2d\u521b\u5efa\u81ea\u5b9a\u4e49 Aura Token\u3002\u4f8b\u5982\uff0c\u6b64\u4ee4\u724c\u6346\u7ed1\u5305\u5177\u6709\u4e00\u4e2a\u540d\u4e3a \u7684\u81ea\u5b9a\u4e49 Aura \u4ee4\u724c\u3002myBackgroundColor<\/code><\/p>\n\n\n\n
    <aura:tokens>\n  <aura:token name=\"myBackgroundColor\" value=\"#f4f6f9\" \/>\n<\/aura:tokens><\/code><\/pre>\n\n\n\n
    \u81ea\u5b9a\u4e49 Aura \u4ee4\u724c\u5e76\u4e0d\u65b0\u9c9c\uff0c\u4f46\u73b0\u5728\u60a8\u53ef\u4ee5\u4f7f\u7528\u6807\u51c6 CSS \u51fd\u6570\u5728 Lightning Web \u7ec4\u4ef6\u7684 CSS \u6587\u4ef6\u4e2d\u4f7f\u7528\u5b83\u4eec\u3002\u5728\u81ea\u5b9a\u4e49 Aura \u4ee4\u724c\u4e4b\u524d\u6dfb\u52a0\u3002var()<\/code>--c-<\/code><\/p>\n\n\n\n
    \/* myLightningWebComponent.css *\/\ncolor: var(--c-myBackgroundColor);\n\n\u4f7f\u7528 CSS \u6837\u5f0f\u8868\u8bbe\u7f6e\u7ec4\u4ef6\u6837\u5f0f\r\n\u82e5\u8981\u5c06\u4e00\u7ec4\u6837\u5f0f\u4e0e\u7ec4\u4ef6\u6346\u7ed1\u5728\u4e00\u8d77\uff0c\u8bf7\u5728\u7ec4\u4ef6\u7684\u6587\u4ef6\u5939\u4e2d\u521b\u5efa\u4e00\u4e2a\u4e0e\u7ec4\u4ef6\u540c\u540d\u7684\u6837\u5f0f\u8868\u3002\u6837\u5f0f\u8868\u5c06\u81ea\u52a8\u5e94\u7528\u4e8e\u7ec4\u4ef6\u3002\u5982\u679c\u8981\u4f7f\u7528\u4e00\u4e2a\u6216\u591a\u4e2a\u6837\u5f0f\u8868\u8bbe\u7f6e\u7ec4\u4ef6\u7684\u6837\u5f0f\uff0c\u8bf7\u914d\u7f6e static \u5c5e\u6027\u3002stylesheets\r\n\r\n\u4e00\u4e2a\u7ec4\u4ef6\u7684\u6587\u4ef6\u5939\u4e2d\u53ea\u80fd\u6709\u4e00\u4e2a\u6837\u5f0f\u8868\u3002\u6837\u5f0f\u8868\u4f7f\u7528\u6807\u51c6\u7684 CSS \u8bed\u6cd5\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u5927\u591a\u6570\u9009\u62e9\u5668\u3002\u6837\u5f0f\u8868\u53ef\u4ee5\u4ece\u591a\u4e2a CSS \u6a21\u5757\u5bfc\u5165\u6837\u5f0f\u89c4\u5219\u3002\r\n\r\n\u5728\u7ec4\u4ef6\u7684\u6837\u5f0f\u8868\u4e2d\u5b9a\u4e49\u7684\u6837\u5f0f\u7684\u8303\u56f4\u9650\u5b9a\u4e3a\u8be5\u7ec4\u4ef6\u3002\u6b64\u89c4\u5219\u5141\u8bb8\u7ec4\u4ef6\u5728\u4e0d\u540c\u7684\u4e0a\u4e0b\u6587\u4e2d\u91cd\u7528\uff0c\u800c\u4e0d\u4f1a\u4e22\u5931\u5176\u6837\u5f0f\u3002\u5b83\u8fd8\u53ef\u4ee5\u9632\u6b62\u7ec4\u4ef6\u7684\u6837\u5f0f\u8986\u76d6\u9875\u9762\u5176\u4ed6\u90e8\u5206\u7684\u6837\u5f0f\u3002\r\n\r\n\u6df1\u5165\u63a2\u8ba8\uff1aLightning Web \u7ec4\u4ef6\u4e2d\u7684\u5f71\u5b50 DOM \u548c CSS\r\n\r\n\u6b64\u793a\u4f8b\u6f14\u793a\u4e86\u5728\u7236\u7ec4\u4ef6\u4e2d\u5b9a\u4e49\u7684 CSS \u6837\u5f0f\u5982\u4f55\u65e0\u6cd5\u8fdb\u5165\u5b50\u7ec4\u4ef6\u3002\u6709\u4e24\u4e2a\u7ec4\u4ef6\uff0c\u4ee5\u53ca .\u6bcf\u4e2a\u7ec4\u4ef6\u90fd\u5305\u542b\u4e00\u4e2a\u6807\u8bb0\u3002\u6837\u5f0f\u8868\u5c06\u6837\u5f0f\u5b9a\u4e49\u4e3a \u3002\u8fd0\u884c\u4ee3\u7801\u65f6\uff0c\u6837\u5f0f\u4ec5\u9002\u7528\u4e8e\u7236\u7ea7\u4e2d\u7684\u6807\u8bb0\uff0c\u800c\u4e0d\u9002\u7528\u4e8e\u5d4c\u5957\u5b50\u7ea7\u4e2d\u7684\u6807\u8bb0\u3002c-parentc-child<h1>parent.cssh1xx-large<h1><h1>\r\n\r\n<!-- parent.html -->\r\n<template>\r\n  <h1>To Do List (h1)<\/h1>\r\n  <c-child><\/c-child>\r\n<\/template>\r\n\/* parent.css *\/\r\nh1 {\r\n  font-size: xx-large;\r\n}\r\n<!-- child.html -->\r\n<template>\r\n  <h1>To Do Item (h1)<\/h1>\r\n<\/template>\r\nParent text is extra large. Child text is normal size.\r\n\r\n\u7236\u7ec4\u4ef6\u53ef\u4ee5\u8bbe\u7f6e\u5b50\u7ec4\u4ef6\u7684\u6837\u5f0f\uff0c\u4f46\u5b83\u5c06\u5176\u6837\u5f0f\u8bbe\u7f6e\u4e3a\u5355\u4e2a\u5143\u7d20\u3002\u7236\u6bcd\u4e0d\u80fd\u63a5\u89e6\u5b69\u5b50\u3002\u8ba9\u6211\u4eec\u6dfb\u52a0\u4e00\u4e2a\u9009\u62e9\u5668\uff0c\u7528\u4e8e\u5b9a\u4e49\u5b50\u7ec4\u4ef6\u5468\u56f4\u7684\u8fb9\u6846\u3002c-childparent.css\r\n\r\n\/* parent.css *\/\r\nh1 {\r\n  font-size: xx-large;\r\n}\r\n\r\nc-child {\r\n  display: block;\r\n  border: 2px solid red;\r\n}\r\nThe child component has a red box around it. \r\n\r\n\u73b0\u5728\uff0c\u8ba9\u6211\u4eec\u4ece\u7ec4\u4ef6\u81ea\u5df1\u7684\u6837\u5f0f\u8868 .c-childchild.css\r\n\r\n\u5728\u6dfb\u52a0\u9009\u62e9\u5668\u4e4b\u524d\uff0c\u8ba9\u6211\u4eec\u5148\u5220\u9664\u9009\u62e9\u5668\u4ee5\u5220\u9664\u7ea2\u8272\u6846\u3002\u4ece\u7ec4\u4ef6\u53ca\u5176\u7236\u7ea7\u8bbe\u7f6e\u7ec4\u4ef6\u6837\u5f0f\u4e0d\u662f\u4e00\u4e2a\u597d\u7684\u505a\u6cd5\uff0c\u56e0\u4e3a\u5b83\u53ef\u80fd\u4f1a\u9020\u6210\u6df7\u6dc6\u5e76\u4ea7\u751f\u610f\u5916\u7684\u7ed3\u679c\u3002\u8fd9\u662f\u5220\u9664\u7684\u3002child.cssc-childparent.cssparent.cssc-child\r\n\r\n\/* parent.css *\/\r\nh1 {\r\n  font-size: xx-large;\r\n}\r\n\u7ec4\u4ef6\u7684\u6837\u5f0f\u8868\u53ef\u4ee5\u5230\u8fbe\u5e76\u8bbe\u7f6e\u5176\u81ea\u5df1\u7684\u5143\u7d20\u7684\u6837\u5f0f\uff0c\u5728\u6b64\u793a\u4f8b\u4e2d\u4e3a .c-child\r\n\r\n\u4e0d\u8981\u4f7f\u7528\u9009\u62e9\u5668\uff0c\u800c\u5e94\u4f7f\u7528 \uff1ahost \u9009\u62e9\u5668\u3002c-child\r\n\r\n\/* child.css *\/\r\n:host {\r\n  display: block;\r\n  background: yellow;\r\n}\r\nChild component's background is yellow.\r\n\r\n\u901a\u8fc7\u4f7f\u7528 \u4ee5 host \u5143\u7d20\u4e3a\u76ee\u6807\uff0c\u6211\u4eec\u5df2\u5c06\u6837\u5f0f\u5e94\u7528\u4e8e \uff0cfrom \u3002:host<c-child>child.css\r\n\r\n\u9009\u62e9\u5668\u63a5\u53d7\u53ef\u9009\u7684\u9009\u62e9\u5668\u5217\u8868\u3002\u82e5\u8981\u5339\u914d\uff0c\u4e3b\u673a\u5143\u7d20\u5fc5\u987b\u5177\u6709\u4e0e\u4f20\u9012\u7684\u9009\u62e9\u5668\u5339\u914d\u7684\u7c7b\u3002\u4e3a\u4e86\u4e86\u89e3\u9009\u62e9\u5668\u7684\u5de5\u4f5c\u539f\u7406\uff0c\u8ba9\u6211\u4eec\u91cd\u5199\u793a\u4f8b\u4ee3\u7801\uff0c\u4f7f\u5176\u770b\u8d77\u6765\u66f4\u50cf\u4e00\u4e2a\u771f\u6b63\u7684\u5e94\u7528\u7a0b\u5e8f\u3002\u6211\u4eec\u6dfb\u52a0\u4e00\u4e2a to\uff0c\u4ee5\u4fbf\u6211\u4eec\u53ef\u4ee5\u5728\u5f85\u529e\u4e8b\u9879\u5217\u8868\u4e0a\u4f20\u9012\u9879\u76ee\u7684\u540d\u79f0\u3002:host:host<slot>c-child\r\n\r\n<!-- child.html -->\r\n<template>\r\n  <h1>To Do Item<\/h1>\r\n  <slot><\/slot>\r\n<\/template>\r\n\u8ba9\u6211\u4eec\u5728\u5b50\u7ec4\u4ef6\u4e2d\u8bbe\u7f6e\u6837\u5f0f\uff0c\u4f46\u8981\u8ba9\u5b83\u6bd4\u6211\u4eec\u5728\u7236\u7ec4\u4ef6\u4e2d\u5b9a\u4e49\u7684\u8981\u5c0f\u4e00\u4e9b\u3002\u6211\u4eec\u8fd8\u5c06\u6240\u6709\u5217\u8868\u9879\u8bbe\u7f6e\u4e3a\u6d45\u7070\u8272\uff0c\u4f46\u6d3b\u52a8\u9879\u9664\u5916\uff0c\u8be5\u6d3b\u52a8\u9879\u4e3a\u6d45\u7eff\u8272\u3002h1largexx-largeh1\r\n\r\n\/* child.css *\/\r\nh1 {\r\n  font-size: large;\r\n}\r\n:host {\r\n  display: block;\r\n  background: lightgray;\r\n}\r\n\r\n:host(.active) {\r\n  background-color: lightgreen;\r\n}\r\n\u5728\u7236\u7ea7\u4e2d\uff0c\u8ba9\u6211\u4eec\u6dfb\u52a0\u4e09\u4e2a\u7ec4\u4ef6\u5e76\u4f7f\u4e00\u4e2a\u5904\u4e8e\u6d3b\u52a8\u72b6\u6001\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6d3b\u52a8\u7ec4\u4ef6\u5c06\u662f\u6240\u9009\u9879\u76ee\u3002c-child\r\n\r\n<!-- parent.html -->\r\n<template>\r\n  <h1>To Do List<\/h1>\r\n  <c-child>Buy potatoes<\/c-child>\r\n  <c-child>Donate to a good cause<\/c-child>\r\n  <c-child class=\"active\">Plan a party<\/c-child>\r\n<\/template>\r\n\/* parent.css *\/\r\n\r\nh1 {\r\n  font-size: xx-large;\r\n}\r\nTo do list with active to do item in light green. \r\n\r\nCSS \u652f\u6301\u548c\u6027\u80fd\u5f71\u54cd\r\n\r\nCSS \u4f5c\u7528\u57df\u4e0e CSS \u4f5c\u7528\u57df\u6a21\u5757\u7ea7\u522b 1 \u6807\u51c6\u5339\u914d\uff0c\u4f46\u6709\u4e00\u4e9b\u4f8b\u5916\u3002\r\n\r\n\u4e0d\u652f\u6301 \uff1ahost-context\uff08\uff09 \u4f2a\u7c7b\u51fd\u6570\u3002\r\n\u4e0d\u652f\u6301 \uff1a:p art \u4f2a\u5143\u7d20\u3002\r\nCSS \u4e2d\u4e0d\u652f\u6301 ID \u9009\u62e9\u5668\u3002\u786e\u4fdd\u503c\u5728 HTML \u6a21\u677f\u4e2d\u662f\u552f\u4e00\u7684\u3002\u5448\u73b0\u6a21\u677f\u65f6\uff0c\u503c\u53ef\u80fd\u4f1a\u8f6c\u6362\u4e3a\u5168\u5c40\u552f\u4e00\u503c\u3002\u5982\u679c\u5728 CSS \u4e2d\u4f7f\u7528 ID \u9009\u62e9\u5668\uff0c\u5b83\u5c06\u4e0e\u8f6c\u6362\u540e\u7684 ID \u4e0d\u5339\u914d\u3002idid\r\nLWC \u4e0d\u4f1a\u5c06\u7ec4\u4ef6\u7684\u81ea\u5b9a\u4e49\u516c\u5171\u5c5e\u6027\u53cd\u6620\u5230\u5176\u76f8\u5e94\u7684 HTML \u5c5e\u6027\u4e2d\u3002\u82e5\u8981\u4e3a\u5b50\u5143\u7d20\u63d0\u4f9b\u6807\u8bc6\u4ee5\u8fdb\u884c\u6837\u5f0f\u8bbe\u7f6e\uff0c\u8bf7\u4f7f\u7528\u5c5e\u6027\u6216\u5c5e\u6027\u3002classdata-*\r\n\u4f5c\u7528\u57df CSS \u4f1a\u5f71\u54cd\u6027\u80fd\uff0c\u56e0\u6b64\u8bf7\u8c28\u614e\u4f7f\u7528\u3002\u6bcf\u4e2a\u9009\u62e9\u5668\u94fe\u90fd\u6709\u4f5c\u7528\u57df\uff0c\u4f20\u9012\u7ed9\u7684\u6bcf\u4e2a\u590d\u5408\u8868\u8fbe\u5f0f\u90fd\u5206\u5e03\u5230\u591a\u4e2a\u9009\u62e9\u5668\u4e2d\u3002\u8fd9\u79cd\u8f6c\u6362\u589e\u52a0\u4e86\u751f\u6210\u7684 CSS \u7684\u5927\u5c0f\u548c\u590d\u6742\u6027\u3002\u8fd9\u4e9b\u589e\u52a0\u610f\u5473\u7740\u7f51\u7edc\u4e0a\u7684\u4f4d\u6570\u66f4\u591a\u3001\u89e3\u6790\u65f6\u95f4\u66f4\u957f\u3001\u6837\u5f0f\u91cd\u65b0\u8ba1\u7b97\u65f6\u95f4\u66f4\u957f\u3002:host()\r\n\r\n\u4e3a\u4e86\u786e\u4fdd CSS \u5c01\u88c5\uff0c\u6bcf\u4e2a\u5143\u7d20\u90fd\u6709\u4e00\u4e2a\u989d\u5916\u7684\u5c5e\u6027\uff0c\u8fd9\u4e5f\u589e\u52a0\u4e86\u6e32\u67d3\u65f6\u95f4\u3002\u4f8b\u5982\uff0c\u5143\u7d20\u5177\u6709\u5c5e\u6027\u3002<c-parent>c-parent_parent-host\r\n\r\n<c-parent c-parent_parent-host>\r\n  <h1 c-parent_parent>To Do List<\/h1>\r\n  <c-child c-parent_parent c-child_child-host>\r\n    <h1 c-child_child>To Do Item<\/h1>\r\n  <\/c-child>\r\n  <c-child class=\"active\" c-parent_parent c-child_child-host>\r\n    <h1 c-child_child>To Do Item<\/h1>\r\n  <\/c-child>\r\n<\/c-parent>\r\n\u5c06 CSS \u6837\u5f0f\u8868\u5206\u914d\u7ed9\u7ec4\u4ef6\r\n\r\n\u82e5\u8981\u4f7f\u7528\u4e00\u4e2a\u6216\u591a\u4e2a\u6837\u5f0f\u8868\u81ea\u5b9a\u4e49\u7ec4\u4ef6\uff0c\u8bf7\u5c06 static \u5c5e\u6027\u6dfb\u52a0\u5230\u6784\u9020\u51fd\u6570\u4e2d\u3002\u6b64\u5c5e\u6027\u63a5\u53d7\u6837\u5f0f\u8868\u6570\u7ec4\uff0c\u5176\u9ed8\u8ba4\u503c\u4e3a\u7a7a\u6570\u7ec4\u3002\u60a8\u53ef\u4ee5\u8bbe\u7f6e\u5149 DOM \u548c\u9634\u5f71 DOM \u7ec4\u4ef6\u7684\u5c5e\u6027\u3002stylesheetsLightningElementstylesheets\r\n\r\n\u4f8b\u5982\uff0c\u8981\u5c06 \u548c \u6837\u5f0f\u8868\u6ce8\u5165 \uff0c\u8bf7\u5728 \u4e2d\u914d\u7f6e static \u5c5e\u6027\u3002header-styles.cssbutton-styles.cssmyComponentstylesheetsmyComponent.js\r\n\r\nmyComponent\/\r\n    \u251c\u2500\u2500 myComponent.js\r\n    \u251c\u2500\u2500 myComponent.html\r\n    \u251c\u2500\u2500 myComponent.css\r\n    \u251c\u2500\u2500 header-styles.css\r\n    \u2514\u2500\u2500 button-styles.css\r\n\/\/ myComponent.js\r\nimport { LightningElement } from 'lwc';\r\nimport headerStyles from '.\/header-styles.css';\r\nimport buttonStyles from '.\/button-styles.css';\r\n\r\nexport default Example class extends LightningElement {\r\n    static stylesheets = [\r\n        headerStyles,\r\n        buttonStyles\r\n    ];\r\n}\r\nLWC \u5f15\u64ce\u6ce8\u5165\u7684\u7b2c\u4e00\u4e2a\u6837\u5f0f\u8868\u662f \uff0c\u56e0\u4e3a\u5b83\u4e0e\u7ec4\u4ef6\u7684\u6a21\u677f\u9690\u5f0f\u5173\u8054\u3002\u7136\u540e\uff0c\u5f15\u64ce\u5c06\u6309\u7167\u6570\u7ec4\u4e2d\u5217\u51fa\u7684\u987a\u5e8f\u52a0\u8f7d\u4e0e\u8be5\u5c5e\u6027\u5173\u8054\u7684\u6240\u6709\u6837\u5f0f\u8868\u3002\u6839\u636e \u7684\u6b64\u914d\u7f6e \uff0c\u6309\u4ee5\u4e0b\u987a\u5e8f\u52a0\u8f7d\u5176\u6837\u5f0f\u8868\uff1a\u3001 \u548c \u3002myComponent.cssstylesheetsstylesheetsmyComponentmyComponent.cssheader-styles.cssbutton-styles.css\r\n\r\n\u5728\u7ec4\u4ef6\u7c7b\u5b9a\u4e49\u671f\u95f4\uff0cLWC \u5f15\u64ce\u5728\u5e94\u7528\u7a0b\u5e8f\u7684\u751f\u5b58\u671f\u5185\u7f13\u5b58\u6570\u7ec4\u3002\u5982\u679c\u5728\u8bc4\u4f30\u7ec4\u4ef6\u4ee3\u7801\u540e\u8fdb\u884c\u4fee\u6539\uff0c\u5219\u4e0d\u4f1a\u5f71\u54cd\u6ce8\u5165\u7684\u6837\u5f0f\u8868\u3002stylesheetsstylesheets\r\n\r\n\u5b50\u7c7b\u7ec4\u4ef6\u4e0d\u4f1a\u81ea\u52a8\u4ece\u8d85\u7c7b\u7ec4\u4ef6\u7ee7\u627f\u3002\u5982\u679c\u8981\u4ece\u8d85\u7c7b\u7ec4\u4ef6\u6269\u5c55\u5230\u5b50\u7c7b\u7ec4\u4ef6\uff0c\u8bf7\u4f7f\u7528\u624b\u52a8\u5c06\u8d85\u7c7b\u4e0e\u5b50\u7c7b\u7ec4\u4ef6\u7684\u6837\u5f0f\u8868\u5408\u5e76\u3002stylesheetsstylesheetssuper.stylesheetsstylesheets\r\n\r\nimport { LightningElement } from \"lwc\";\r\nimport superclassStylesheet from \".\/superclass.css\";\r\nimport subclassStylesheet from \".\/subclass.css\";\r\n\r\nclass Superclass extends LightningElement {\r\n  static stylesheets = [superclassStylesheet];\r\n}\r\n\r\nclass Subclass extends Superclass {\r\n  static stylesheets = [...super.stylesheets, subclassStylesheet];\r\n}\r<\/code><\/pre>\n\n\n\n
    \u4e3a\u7ec4\u4ef6\u521b\u5efa\u6837\u5f0f\u6302\u94a9<\/h2>\n\n\n\n
    \u82e5\u8981\u516c\u5f00\u81ea\u5b9a\u4e49\u7ec4\u4ef6\u7684\u6837\u5f0f\u6302\u94a9\uff0c\u8bf7\u4f7f\u7528 CSS \u81ea\u5b9a\u4e49\u5c5e\u6027\u3002CSS \u81ea\u5b9a\u4e49\u5c5e\u6027\u8fd8\u4f7f\u4ee3\u7801\u66f4\u6613\u4e8e\u9605\u8bfb\u548c\u66f4\u65b0\u3002<\/p>\n\n\n\n
    \u5c06\u7ec4\u4ef6\u7684\u6837\u5f0f\u94a9\u5b50\u8bb0\u5f55\u4e3a\u7ec4\u4ef6 API \u7684\u4e00\u90e8\u5206\u3002\u8981\u66f4\u6539\u7ec4\u4ef6\u7684\u6837\u5f0f\uff0c\u4f7f\u7528\u8005\u53ea\u9700\u8bbe\u7f6e\u6837\u5f0f\u94a9\u5b50\u7684\u503c\uff0c\u4ed6\u4eec\u4e0d\u9700\u8981\u77e5\u9053\u60a8\u5982\u4f55\u5b9e\u73b0\u6837\u5f0f\u3002<\/p>\n\n\n\n
    \u4f7f\u7528\u516c\u5171\u5c5e\u6027\u8bbe\u7f6e LWC \u7684\u6837\u5f0f<\/p>\n\n\n\n
    \nhttps:\/\/youtube.com\/watch?v=ENRVbA3bqzY\n<\/div><\/figure>\n\n\n\n
    \u8981\u5728\u7ec4\u4ef6\u7684\u6837\u5f0f\u8868\u4e2d\u5b9a\u4e49 CSS \u81ea\u5b9a\u4e49\u5c5e\u6027\uff0c\u8bf7\u5728\u8be5\u5c5e\u6027\u524d\u9762\u52a0\u4e0a\u524d\u7f00\u3002\u8981\u63d2\u5165\u8be5\u5c5e\u6027\u7684\u503c\uff0c\u8bf7\u4f7f\u7528 .--<\/code>var()<\/code><\/p>\n\n\n\n
    :host {\n  --important-color: red;\n}\n\n.important {\n  color: var(--important-color);\n}<\/code><\/pre>\n\n\n\n
    CSS \u81ea\u5b9a\u4e49\u5c5e\u6027\u4ece\u5176\u7236\u7ec4\u4ef6\u7ee7\u627f\u5176\u503c\u3002\u7ee7\u627f\u7684\u5c5e\u6027\u523a\u7a7f\u4e86\u5f71\u5b50 DOM\u3002\u4e00\u4e9b CSS \u5c5e\u6027\uff08\u5982\u989c\u8272\uff09\u4e5f\u662f\u7ee7\u627f\u7684\u3002\u7531\u4e8e CSS \u81ea\u5b9a\u4e49\u5c5e\u6027\u662f\u7ee7\u627f\u7684\uff0c\u56e0\u6b64\u4f7f\u7528\u8005\u53ef\u4ee5\u5728 DOM \u6811\u4e2d\u7684\u66f4\u9ad8\u7ea7\u522b\u8bbe\u7f6e\u5176\u503c\u5e76\u8bbe\u7f6e\u7ec4\u4ef6\u7684\u6837\u5f0f\u3002<\/p>\n\n\n\n
    \u8fd9\u4e9b CSS \u81ea\u5b9a\u4e49\u5c5e\u6027\u4e3a\u4e24\u4e2a\u4e3b\u9898\u521b\u5efa\u6837\u5f0f\u6302\u94a9\uff1a\u6d45\u8272\u548c\u6df1\u8272\u3002\u5c06\u56de\u9000\u503c\u4f5c\u4e3a\u53ef\u9009\u7684\u7b2c\u4e8c\u4e2a\u53c2\u6570\u4f20\u9012\u7ed9 \u3002var()<\/code><\/p>\n\n\n\n
    .light {\n  background-color: var(--light-theme-background-color, lightcyan);\n  color: var(--light-theme-text-color, darkblue);\n}\n\n.dark {\n  background-color: var(--dark-theme-background-color, darkslategray);\n  color: var(--dark-theme-text-color, ghostwhite);\n}<\/code><\/pre>\n\n\n\n
    \u5728\u00a0lwc.dev\u00a0\u7684 playgrounds \u4e2d\u8bd5\u9a8c\u6b64\u4ee3\u7801\u3002<\/p>\n\n\n\n
    \u6837\u5f0f\u7ec4\u4ef6\u7684\u53cd\u6a21\u5f0f<\/h2>\n\n\n\n
    \u4ee5\u4e0b\u662f\u5f00\u53d1\u4eba\u5458\u5728\u8bbe\u7f6e Lightning Web \u7ec4\u4ef6\u6837\u5f0f\u65f6\u5e38\u72af\u7684\u4e00\u4e9b\u9519\u8bef\u3002\u8fd9\u4e9b\u6280\u672f\u4e0d\u53d7\u652f\u6301\uff0c\u6211\u4eec\u5e0c\u671b\u770b\u5230\u4e00\u4e9b\u5177\u4f53\u7684\u4f8b\u5b50\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff0c\u8fd9\u6837\u4f60\u5c31\u53ef\u4ee5\u907f\u514d\u5b83\u4eec\u3002<\/p>\n\n\n\n
    \u6700\u5e38\u89c1\u7684\u53cd\u6a21\u5f0f\u662f\u6839\u636e Lightning \u57fa\u672c\u7ec4\u4ef6\u7684\u6e32\u67d3\u6807\u8bb0\u8bbe\u7f6e\u6837\u5f0f\uff0c\u5e76\u76f4\u63a5\u8986\u76d6 SLDS \u7c7b\u548c\u6837\u5f0f\u3002\u8fd8\u5e94\u907f\u514d\u4f7f\u7528\u7cbe\u786e\u7684\u7c7b\u5c5e\u6027\u5b57\u7b26\u4e32\u5339\u914d\u6765\u67e5\u8be2\u5143\u7d20\u3002<\/p>\n\n\n\n
    \u53cd\u6a21\u5f0f\uff1a\u8bbe\u7f6e\u57fa\u672c\u7ec4\u4ef6\u7684 HTML \u6837\u5f0f<\/h2>\n\n\n\n
    \u5f53\u4f60\u68c0\u67e5\u4f60\u7684\u6d4f\u89c8\u5668\u63a7\u5236\u53f0\u5e76\u770b\u5230\u57fa\u672c\u7ec4\u4ef6\u7684\u6e32\u67d3 HTML \u65f6\uff0c\u5f88\u5bb9\u6613\u5236\u4f5c\u4f60\u7684 CSS \u6765\u5b9a\u4f4d\u4f60\u770b\u5230\u7684\u5143\u7d20\u548c\u7c7b\u3002\u4f46\u662f\uff0cSalesforce \u4e0d\u652f\u6301\u57fa\u4e8e\u5448\u73b0\u8f93\u51fa\u7684\u6837\u5f0f\u3002<\/p>\n\n\n\n
    Salesforce \u9700\u8981\u7075\u6d3b\u5730\u91cd\u65b0\u8bbe\u8ba1\u7ec4\u4ef6\u7684\u5185\u90e8\u7ed3\u6784\uff0c\u4ee5\u63d0\u9ad8\u6027\u80fd\u3001\u589e\u5f3a\u529f\u80fd\u5e76\u652f\u6301\u53ef\u8bbf\u95ee\u6027\u3002\u56e0\u6b64\uff0c\u4e0d\u80fd\u5047\u5b9a\u7ec4\u4ef6\u6807\u8bb0\u5728\u7248\u672c\u4e0a\u5448\u73b0\u76f8\u540c\u7684\u7248\u672c\u3002\u5982\u679c\u57fa\u4e8e\u8fd9\u6837\u7684\u5047\u8bbe\u521b\u5efa\u6837\u5f0f\uff0c\u5219\u6837\u5f0f\u5c06\u6765\u53ef\u80fd\u4f1a\u4e2d\u65ad\u3002\u6211\u4eec\u8bb0\u5f55\u4e86\u5bf9\u7ec4\u4ef6\u529f\u80fd\u548c\u884c\u4e3a\u7684\u66f4\u6539\uff0c\u4f46\u4e0d\u8bb0\u5f55\u5bf9\u5176\u5185\u90e8\u7684\u66f4\u6539\u3002<\/p>\n\n\n\n
    \u91cd\u8981<\/p>\n\n\n\n
    \u4e0d\u652f\u6301\u8986\u76d6\u57fa\u672c\u7ec4\u4ef6\u6837\u5f0f\uff0c\u9664\u975e\u4f7f\u7528\u8bb0\u5f55\u7684\u6837\u5f0f\u6302\u94a9\u3002<\/p>\n\n\n\n
    \u8fd9\u662f\u4e00\u4e2a\u5e38\u89c1\u7684\u9519\u8bef\uff0c\u5c06 SLDS \u7c7b\u66ff\u6362\u4e3a\u60a8\u81ea\u5df1\u7684\u7c7b\u3002<\/p>\n\n\n\n
    .myCustomClass .slds-class_name;<\/code><\/pre>\n\n\n\n
    \u5047\u8bbe\u60a8\u7684\u516c\u53f8 Acme Widgets \u5728\u60a8\u7684\u4e00\u4e2a\u81ea\u5b9a\u4e49\u7ec4\u4ef6\u4e2d\u4f7f\u7528\u4e86\u57fa\u672c\u7ec4\u4ef6\u3002\u4f60\u7528 Acme \u81ea\u5df1\u7684\u4e00\u4e2a SLDS \u7c7b\u66ff\u6362\u4e00\u4e2a SLDS \u7c7b\uff0c\u56e0\u4e3a\u5b83\u5f88\u65b9\u4fbf\uff0c\u8fd9\u662f\u4e00\u4e2a\u5e38\u89c1\u7684\u9519\u8bef\u3002\u7ec4\u4ef6 CSS \u4ee5\u9009\u62e9\u5668\u4e3a\u76ee\u6807\u3002lightning-combobox<\/code>.slds-combobox__input<\/code><\/p>\n\n\n\n
    .acme-combobox_box .slds-combobox__input;<\/code><\/pre>\n\n\n\n
    \u5982\u679c Salesforce \u66f4\u6539\u4e3a\u4e0d\u518d\u4f7f\u7528\u9009\u62e9\u5668\uff0c\u5e76\u4e14\u5bf9 Acme \u7ec4\u4ef6\u6837\u5f0f\u9020\u6210\u4e0d\u5229\u5f71\u54cd\uff0c\u5219\u7531\u60a8\u6765\u4fee\u590d\u7ec4\u4ef6\u7684\u6837\u5f0f\u3002lightning-combobox<\/code>.slds-combobox__input<\/code><\/p>\n\n\n\n
    \u8bf7\u53c2\u9605\u4f7f\u7528 Lightning Design System\u00a0\u8bbe\u7f6e\u7ec4\u4ef6\u6837\u5f0f\uff0c\u4e86\u89e3\u652f\u6301\u8bbe\u7f6e\u7ec4\u4ef6\u6837\u5f0f\u7684\u65b9\u6cd5\u3002<\/p>\n\n\n\n
    \u53cd\u6a21\u5f0f\uff1a\u8986\u76d6 SLDS \u7c7b<\/h2>\n\n\n\n
    \u83b7\u53d6 SLDS \u9009\u62e9\u5668\u540d\u79f0\u5e76\u7a0d\u4f5c\u8c03\u6574\u5f88\u7b80\u5355\uff0c\u4f46\u4e0d\u53d7\u652f\u6301\u3002<\/p>\n\n\n\n
    \u8986\u76d6 SLDS \u9009\u62e9\u5668\u7684\u5c5e\u6027\u65f6\uff0c\u5c06\u6765\u5bf9 SLDS \u7684\u66f4\u6539\u53ef\u80fd\u4f1a\u5bfc\u81f4\u7ec4\u4ef6\u6837\u5f0f\u51fa\u73b0\u610f\u5916\u7ed3\u679c\u3002Lightning Design System \u4e0d\u65ad\u6539\u8fdb\uff0c\u5e76\u5c06\u6240\u6709\u66f4\u6539\u8bb0\u5f55\u5728\u00a0SLDS \u53d1\u884c\u8bf4\u660e\u4e2d\u3002<\/p>\n\n\n\n
    \u4e0b\u9762\u662f\u4e00\u4e9b\u4e0d\u53d7\u652f\u6301\u7684\u66ff\u4ee3\u793a\u4f8b\u3002<\/p>\n\n\n\n
    \/* myButton.css *\/\n\/* Anti-pattern - Don't do this *\/\n.slds-button_brand {\n  background-color: purple;\n}<\/code><\/pre>\n\n\n\n
    \/* Don\u2019t do this *\/\n.slds-button {\n  padding: 16px;\n}<\/code><\/pre>\n\n\n\n
    \/* Don\u2019t do this *\/\n.slds-scoped-notification {\n  padding: var(--scoped-spacing);\n}<\/code><\/pre>\n\n\n\n
    \u8bf7\u6539\u7528\u00a0Style Components with Lightning Design System\u00a0\u4e2d\u8ba8\u8bba\u7684\u6280\u672f\u3002<\/p>\n\n\n\n
    \u53cd\u6a21\u5f0f\uff1a\u5177\u6709\u7cbe\u786e\u5c5e\u6027\u5b57\u7b26\u4e32\u5339\u914d\u7684 querySelector<\/h2>\n\n\n\n
    \u7531\u4e8e\u4f18\u5316\u7f29\u77ed\u4e86 Lightning Web \u7ec4\u4ef6\u7684\u6e32\u67d3\u65f6\u95f4\uff0c\u9759\u6001\u8282\u70b9\u7684\u503c\u548c\u5c5e\u6027\u53ef\u80fd\u4f1a\u4f7f\u7528\u989d\u5916\u7684\u7a7a\u683c\u6216\u610f\u5916\u5b57\u7b26\u8fdb\u884c\u6e32\u67d3\u3002\u66f4\u65b0\u4f7f\u7528\u7c7b\u6216\u6837\u5f0f\u5c5e\u6027\u7684 JavaScript \u4ee3\u7801\uff0c\u56e0\u4e3a\u6b64\u66f4\u6539\u53ef\u80fd\u4f1a\u5f71\u54cd\u5b83\u4eec\u3002style<\/code>class<\/code><\/p>\n\n\n\n
    \u4ee5\u524d\uff0c\u60a8\u53ef\u4ee5\u5305\u542b\u7a7a\u683c\uff0c\u4ee5\u4fbf\u901a\u8fc7\u4f7f\u7528\u7cbe\u786e\u7684\u5c5e\u6027\u5b57\u7b26\u4e32\u5339\u914d\u6765\u4f7f\u7528\u5143\u7d20\u7684\u7c7b\u540d\u6765\u67e5\u8be2\u5143\u7d20\u3002<\/p>\n\n\n\n
    \/* Don\u2019t do this *\/\ndocument.querySelector('[class=\"highlight yellow\"]');<\/code><\/pre>\n\n\n\n
    \u8be5\u5c5e\u6027\u5df2\u5448\u73b0\uff0c\u5982\u4e0b\u6240\u793a\u3002highlight yellow<\/code><\/p>\n\n\n\n
    <div class=\"highlight yellow\"><\/code><\/pre>\n\n\n\n
    \u4f46\u662f\uff0c\u8be5\u5c5e\u6027\u73b0\u5728\u53ef\u4ee5\u4f7f\u7528\u989d\u5916\u7684\u7a7a\u683c\u8fdb\u884c\u5448\u73b0\u3002<\/p>\n\n\n\n
    <div class=\" highlight yellow\"><\/code><\/pre>\n\n\n\n
    \u4fee\u6539 JavaScript \u4ee3\u7801\u4ee5\u4f7f\u7528\u5ffd\u7565\u7a7a\u683c\u7684\u9009\u62e9\u5668\u3002<\/p>\n\n\n\n
    \/* Do this instead *\/\ndocument.querySelector(\".highlight.yellow\");<\/code><\/pre>\n\n\n\n
    \u53cd\u6a21\u5f0f\uff1a\u4f9d\u8d56\u4e8e\u751f\u6210\u7684 CSS \u8303\u56f4\u4ee4\u724c<\/h2>\n\n\n\n
    \u4e3a\u4e86\u5728\u7ec4\u4ef6\u4e2d\u9650\u5b9a CSS \u7684\u8303\u56f4\uff0cLWC \u4f1a\u81ea\u52a8\u5411 DOM \u5143\u7d20\u6dfb\u52a0\u5c5e\u6027\u548c\u7c7b\u3002\u8fd9\u4e9b\u5c5e\u6027\u548c\u7c7b\u662f\u5185\u90e8\u5b9e\u73b0\u7ec6\u8282\uff0c\u53ef\u4ee5\u968f\u65f6\u66f4\u6539\u3002<\/p>\n\n\n\n
    <c-cmp c-cmp_cmp-host>\n  <span c-cmp_cmp><\/span>\n<\/c-cmp><\/code><\/pre>\n\n\n\n
    \u867d\u7136\u4f7f\u7528\u751f\u6210\u7684\u7c7b\u4f3c\u4e8e\u7ec4\u4ef6\u540d\u79f0\u7684 CSS \u8303\u56f4\u4ee4\u724c\u5f88\u5bb9\u6613\uff0c\u4f46\u5982\u679c\u4f9d\u8d56\u4e8e\u4e0d\u62e5\u6709\u7684\u7ec4\u4ef6\u7684\u5185\u90e8\u7ed3\u6784\uff0c\u5219\u4ee3\u7801\u53ef\u80fd\u4f1a\u4e2d\u65ad\u3002\u7531\u4e8e\u6027\u80fd\u6539\u8fdb\uff0cLWC \u4e3a Winter ’24 \u7684 CSS \u8303\u56f4\u6807\u8bb0\u751f\u6210\u4e00\u4e2a\u6df7\u6dc6\u5b57\u7b26\u4e32\uff0c\u683c\u5f0f\u4e3a \uff0c\u5176\u4e2d\u662f\u552f\u4e00\u7684\u5b57\u6bcd\u6570\u5b57\u5b57\u7b26\u4e32\u3002lwc-hashstring<\/code>hashstring<\/code><\/p>\n\n\n\n
    <c-cmp lwc-2s44vctlls4-host>\n  <span lwc-2s44vctlls4><\/span>\n<\/c-cmp><\/code><\/pre>\n\n\n\n
    \u4ec5\u5f53\u5347\u7ea7\u5230 LWC API \u7248\u672c 59.0 \u65f6\uff0c\u4e3a CSS \u8303\u56f4\u4ee4\u724c\u751f\u6210\u6a21\u7cca\u5904\u7406\u5b57\u7b26\u4e32\u7684\u66f4\u6539\u624d\u4f1a\u5f71\u54cd\u60a8\u7684\u81ea\u5b9a\u4e49\u7ec4\u4ef6\u3002\u4f46\u662f\uff0c\u6b64\u66f4\u6539\u4f1a\u7acb\u5373\u5f71\u54cd Lightning Experience \u548c Experience Builder \u7ad9\u70b9\u4e2d Salesforce \u521b\u4f5c\u7684\u7ec4\u4ef6\uff0c\u4f8b\u5982\u5728\u8bb0\u5f55\u9875\u9762\u6216\u5217\u8868\u89c6\u56fe\u4e0a\u5448\u73b0\u7684\u7ec4\u4ef6\uff0c\u4ee5\u53ca\u57fa\u672c Lightning \u7ec4\u4ef6\u3002<\/p>\n\n\n\n
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