\u5f53\u4f60\u5728\u4f7f\u7528\u5355\u6587\u4ef6\u7ec4\u4ef6\u65f6\uff0c\u7ec4\u4ef6\u5df2\u7ecf\u4f1a\u6839\u636e\u5176\u6587\u4ef6\u540d\u63a8\u5bfc\u51fa\u5176\u540d\u79f0\u3002\u4e3e\u4f8b\u6765\u8bf4\uff0c\u4e00\u4e2a\u540d\u4e3a MyComponent.vue \u7684\u6587\u4ef6\u4f1a\u63a8\u5bfc\u51fa\u663e\u793a\u540d\u79f0\u4e3a\u201cMyComponent\u201d\u3002<\/p>\n
\u53e6\u4e00\u79cd\u573a\u666f\u662f\u5f53\u4e00\u4e2a\u7ec4\u4ef6\u901a\u8fc7 app.component \u88ab\u5168\u5c40\u6ce8\u518c\u65f6\uff0c\u8fd9\u4e2a\u5168\u5c40 ID \u5c31\u81ea\u52a8\u88ab\u8bbe\u4e3a\u4e86\u5176\u540d\u79f0\u3002<\/p>\n
\u4f7f\u7528 name \u9009\u9879\u4f7f\u4f60\u53ef\u4ee5\u8986\u76d6\u63a8\u5bfc\u51fa\u7684\u540d\u79f0\uff0c\u6216\u662f\u5728\u6ca1\u6709\u63a8\u5bfc\u51fa\u540d\u5b57\u65f6\u663e\u5f0f\u63d0\u4f9b\u4e00\u4e2a\u3002(\u4f8b\u5982\u6ca1\u6709\u4f7f\u7528\u6784\u5efa\u5de5\u5177\u65f6\uff0c\u6216\u662f\u4e00\u4e2a\u5185\u8054\u7684\u975e SFC \u5f0f\u7684\u7ec4\u4ef6)<\/p>\n
\u6709\u4e00\u79cd\u573a\u666f\u4e0b name \u5fc5\u987b\u662f\u5df2\u663e\u5f0f\u58f0\u660e\u7684\uff1a\u5373 \u5728 3.2.34 \u6216\u4ee5\u4e0a\u7684\u7248\u672c\u4e2d\uff0c\u4f7f\u7528 expose<\/strong> \u51fd\u6570\u7528\u4e8e\u663e\u5f0f\u5730\u9650\u5236\u8be5\u7ec4\u4ef6\u66b4\u9732\u51fa\u7684\u5c5e\u6027\uff0c\u5f53\u7236\u7ec4\u4ef6\u901a\u8fc7\u6a21\u677f\u5f15\u7528\u8bbf\u95ee\u8be5\u7ec4\u4ef6\u7684\u5b9e\u4f8b\u65f6\uff0c\u5c06\u4ec5\u80fd\u8bbf\u95eeexpose<\/strong>\u51fd\u6570\u66b4\u9732\u51fa\u7684\u5185\u5bb9\uff1a<\/p>\n \u8981\u542f\u7528\u8be5\u8bed\u6cd5\uff0c\u9700\u8981\u5728 \u5f53\u4f7f\u7528 \u5904\u4e8e scoped<\/strong> \u6837\u5f0f\u4e2d\u7684\u9009\u62e9\u5668\u5982\u679c\u60f3\u8981\u505a\u66f4\u201c\u6df1\u5ea6\u201d\u7684\u9009\u62e9\uff0c\u4e5f\u5373\uff1a\u5f71\u54cd\u5230\u5b50\u7ec4\u4ef6\uff0c\u53ef\u4ee5\u4f7f\u7528 :deep()<\/strong> \u8fd9\u4e2a\u4f2a\u7c7b\uff1a<\/p>\n \u4ee3\u7801\u4f1a\u88ab\u7f16\u8bd1\u6210\uff1a<\/p>\n \u901a\u8fc7 v-html \u521b\u5efa\u7684 DOM \u5185\u5bb9\u4e0d\u4f1a\u88ab\u4f5c\u7528\u57df\u6837\u5f0f\u5f71\u54cd\uff0c\u4f46\u4ecd\u7136\u53ef\u4ee5\u4f7f\u7528\u6df1\u5ea6\u9009\u62e9\u5668\u6765\u8bbe\u7f6e\u5176\u6837\u5f0f\u3002<\/p>\n \u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u4f5c\u7528\u57df\u6837\u5f0f\u4e0d\u4f1a\u5f71\u54cd\u5230 \u5982\u679c\u60f3\u8ba9\u5176\u4e2d\u4e00\u4e2a\u6837\u5f0f\u89c4\u5219\u5e94\u7528\u5230\u5168\u5c40\uff0c\u6bd4\u8d77\u53e6\u5916\u521b\u5efa\u4e00\u4e2a \u4e00\u4e2a \u7ec4\u4ef6name \u5f53\u4f60\u5728\u4f7f\u7528\u5355\u6587\u4ef6\u7ec4\u4ef6\u65f6\uff0c\u7ec4\u4ef6\u5df2\u7ecf\u4f1a\u6839\u636e\u5176\u6587\u4ef6\u540d\u63a8\u5bfc\u51fa\u5176\u540d\u79f0\u3002\u4e3e\u4f8b\u6765\u8bf4\uff0c\u4e00\u4e2a\u540d\u4e3a MyCompon … <\/p>\n\n
<script setup> <\/code>`\u7684\u5355\u6587\u4ef6\u7ec4\u4ef6\u4f1a\u81ea\u52a8\u6839\u636e\u6587\u4ef6\u540d\u751f\u6210\u5bf9\u5e94\u7684 name \u9009\u9879\uff0c\u5373\u4f7f\u662f\u5728\u914d\u5408 <\/code>`<KeepAlive> <\/code><\/code>\u4f7f\u7528\u65f6\u4e5f\u65e0\u9700\u518d\u624b\u52a8\u58f0\u660e\u3002<\/p>\n<\/blockquote>\n\u66b4\u9732\u516c\u5171\u5c5e\u6027<\/h2>\n
export default {\n setup(props, { expose }) {\n \/\/ \u8ba9\u7ec4\u4ef6\u5b9e\u4f8b\u5904\u4e8e \u201c\u5173\u95ed\u72b6\u6001\u201d\n \/\/ \u5373\u4e0d\u5411\u7236\u7ec4\u4ef6\u66b4\u9732\u4efb\u4f55\u4e1c\u897f\n expose()\n\n const publicCount = ref(0)\n const privateCount = ref(0)\n \/\/ \u6709\u9009\u62e9\u5730\u66b4\u9732\u5c40\u90e8\u72b6\u6001\n expose({ count: publicCount })\n }\n}<\/code><\/pre>\nscript setup<\/h2>\n
<script><\/code><\/code> \u4ee3\u7801\u5757\u4e0a\u6dfb\u52a0 setup attribute\uff1a<\/p>\n<script setup>\nconsole.log('hello script setup')\n<\/script><\/code><\/pre>\n<script setup> <\/code>`\u7684\u65f6\u5019\uff0c\u4efb\u4f55\u5728 <\/code>`<script setup><\/code><\/code> \u58f0\u660e\u7684\u9876\u5c42\u7684\u7ed1\u5b9a (\u5305\u62ec\u53d8\u91cf\uff0c\u51fd\u6570\u58f0\u660e\uff0c\u4ee5\u53ca import \u5bfc\u5165\u7684\u5185\u5bb9) \u90fd\u80fd\u5728\u6a21\u677f\u4e2d\u76f4\u63a5\u4f7f\u7528\u3002import \u5bfc\u5165\u7684\u5185\u5bb9\u4e5f\u4f1a\u4ee5\u540c\u6837\u7684\u65b9\u5f0f\u66b4\u9732\u3002\u8fd9\u610f\u5473\u7740\u6211\u4eec\u53ef\u4ee5\u5728\u6a21\u677f\u8868\u8fbe\u5f0f\u4e2d\u76f4\u63a5\u4f7f\u7528\u5bfc\u5165\u7684 helper \u51fd\u6570\uff0c\u800c\u4e0d\u9700\u8981\u901a\u8fc7 methods \u9009\u9879\u6765\u66b4\u9732\u5b83:<\/p>\n<script setup>\nimport { capitalize } from '.\/helpers'\n<\/script>\n\n<template>\n <div>{{ capitalize('hello') }}<\/div>\n<\/template><\/code><\/pre>\n\u5355\u6587\u4ef6\u7ec4\u4ef6CSS<\/h2>\n
\u6df1\u5ea6\u9009\u62e9\u5668<\/h3>\n
<style scoped>\n.a :deep(.b) {\n \/* ... *\/\n}\n<\/style><\/code><\/pre>\n.a[data-v-f3f3eg9] .b {\n \/* ... *\/\n}<\/code><\/pre>\n\u63d2\u69fd\u9009\u62e9\u5668<\/h3>\n
<slot\/> <\/code><\/code>\u6e32\u67d3\u51fa\u6765\u7684\u5185\u5bb9\uff0c\u56e0\u4e3a\u5b83\u4eec\u88ab\u8ba4\u4e3a\u662f\u7236\u7ec4\u4ef6\u6240\u6301\u6709\u5e76\u4f20\u9012\u8fdb\u6765\u7684\u3002\u4f7f\u7528 :slotted<\/strong> \u4f2a\u7c7b\u4ee5\u660e\u786e\u5730\u5c06\u63d2\u69fd\u5185\u5bb9\u4f5c\u4e3a\u9009\u62e9\u5668\u7684\u76ee\u6807\uff1a<\/p>\n<style scoped>\n:slotted(div) {\n color: red;\n}\n<\/style><\/code><\/pre>\n\u5168\u5c40\u9009\u62e9\u5668<\/h3>\n
<style><\/code><\/code>\uff0c\u53ef\u4ee5\u4f7f\u7528 :global \u4f2a\u7c7b\u6765\u5b9e\u73b0 (\u770b\u4e0b\u9762\u7684\u4ee3\u7801)\uff1a<\/p>\n<style scoped>\n:global(.red) {\n color: red;\n}\n<\/style><\/code><\/pre>\nCSS Modules<\/h3>\n
<style module> <\/code><\/code>\u6807\u7b7e\u4f1a\u88ab\u7f16\u8bd1\u4e3a CSS Modules \u5e76\u4e14\u5c06\u751f\u6210\u7684 CSS class \u4f5c\u4e3a $style \u5bf9\u8c61\u66b4\u9732\u7ed9\u7ec4\u4ef6\uff1a<\/p>\n<template>\n <p :class="$style.red">This should be red<\/p>\n<\/template>\n\n<style module>\n.red {\n color: red;\n}\n<\/style><\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"