{"id":108215,"date":"2026-09-21T09:16:48","date_gmt":"2026-09-21T01:16:48","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/108215.html"},"modified":"2026-09-21T09:16:48","modified_gmt":"2026-09-21T01:16:48","slug":"vue3%e5%ae%8c%e5%85%a8%e6%8c%87%e5%8d%97%e4%bb%8e%e5%8e%9f%e7%90%86%e5%88%b0%e5%ae%9e%e6%88%98","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/108215.html","title":{"rendered":"Vue3\u5b8c\u5168\u6307\u5357\u4ece\u539f\u7406\u5230\u5b9e\u6218"},"content":{"rendered":"<h2>Vue3 \u5b8c\u5168\u6307\u5357&#xff1a;\u4ece\u539f\u7406\u5230\u5b9e\u6218<\/h2>\n<p>\u6587\u6863\u7248\u672c&#xff1a;v1.0 \u66f4\u65b0\u65f6\u95f4&#xff1a;2026-09-21 \u9002\u7528\u8303\u56f4&#xff1a;\u524d\u7aef\u5de5\u7a0b\u5e08\u3001\u5168\u6808\u5de5\u7a0b\u5e08\u3001\u6280\u672f\u8d1f\u8d23\u4eba&#xff0c;\u4ee5\u53ca\u6240\u6709\u9700\u8981\u4ece Vue2 \u8fc1\u79fb\u6216\u4ece\u96f6\u5b66\u4e60 Vue3 \u7684\u4eba \u8bf4\u660e&#xff1a;\u7248\u672c\u4e0e\u7279\u6027\u57fa\u4e8e 2026 \u5e74 9 \u6708 Vue \u5b98\u65b9\u8d44\u6599&#xff1b;Vue 3.5 \u201cTengen Toppa Gurren Lagann\u201d \u4e3a\u5f53\u524d\u6700\u65b0\u5c0f\u7248\u672c<\/p>\n<hr \/>\n<h3>\u76ee\u5f55<\/h3>\n<li>\u6982\u8ff0&#xff1a;Vue3 \u662f\u4ec0\u4e48\u3001\u4e3a\u4ec0\u4e48\u9009\u5b83<\/li>\n<li>Vue2 vs Vue3 \u6838\u5fc3\u533a\u522b\u603b\u89c8<\/li>\n<li>\u54cd\u5e94\u5f0f\u539f\u7406&#xff1a;Proxy vs Object.defineProperty<\/li>\n<li>Composition API \u8be6\u89e3<\/li>\n<li>&lt;script setup&gt; \u8bed\u6cd5\u7cd6<\/li>\n<li>\u7ec4\u4ef6\u901a\u4fe1&#xff1a;Props\/Emits\/Slots<\/li>\n<li>Pinia \u72b6\u6001\u7ba1\u7406<\/li>\n<li>Vite \u6784\u5efa\u5de5\u5177<\/li>\n<li>Vue Router 4<\/li>\n<li>Nuxt 3 SSR\/\u5143\u6846\u67b6<\/li>\n<li>\u65b0\u7279\u6027&#xff1a;Teleport\/Suspense\/Fragment<\/li>\n<li>Vue3 \u6027\u80fd\u4f18\u5316<\/li>\n<li>\u8fc1\u79fb&#xff1a;\u4ece Vue2 \u5230 Vue3<\/li>\n<li>\u603b\u7ed3\u4e0e\u672a\u6765\u65b9\u5411<\/li>\n<hr \/>\n<h3>1. \u6982\u8ff0&#xff1a;Vue3 \u662f\u4ec0\u4e48\u3001\u4e3a\u4ec0\u4e48\u9009\u5b83<\/h3>\n<h4>1.1 Vue3 \u7684\u5b9a\u4f4d<\/h4>\n<p>Vue 3 \u662f Vue.js \u7684\u7b2c\u4e09\u4e2a\u5927\u7248\u672c&#xff0c;\u4e8e 2020 \u5e74 9 \u6708\u6b63\u5f0f\u53d1\u5e03\u2014\u2014\u5b83\u4e0d\u662f&#034;Vue2 \u7684\u5347\u7ea7\u7248&#034;&#xff0c;\u800c\u662f\u4ece\u5934\u91cd\u5199\u7684\u65b0\u4e00\u4ee3\u524d\u7aef\u6846\u67b6\u30022026 \u5e74\u7684\u4eca\u5929&#xff0c;Vue 3.5 \u201cTengen Toppa Gurren Lagann\u201d \u5df2\u662f\u5f53\u524d\u6700\u65b0\u5c0f\u7248\u672c&#xff0c;Vue2 \u5df2 EOL&#xff08;2023 \u5e74 12 \u6708\u505c\u6b62\u7ef4\u62a4&#xff09;\u3002<\/p>\n<p>Vue3 \u7684\u6838\u5fc3\u5b9a\u4f4d\u662f&#xff1a;<\/p>\n<ul>\n<li>\u6e10\u8fdb\u5f0f\u6846\u67b6&#xff1a;\u4ece\u5c0f\u9879\u76ee\u5230\u5927\u578b\u5e94\u7528\u90fd\u80fd\u8986\u76d6&#xff1b;<\/li>\n<li>\u6027\u80fd\u4f18\u5148&#xff1a;\u4ece\u5934\u91cd\u5199\u7684\u54cd\u5e94\u5f0f\u7cfb\u7edf\u4e0e\u865a\u62df DOM&#xff1b;<\/li>\n<li>Composition API&#xff1a;\u89e3\u51b3\u5927\u578b\u5e94\u7528\u7684\u4ee3\u7801\u7ec4\u7ec7\u95ee\u9898&#xff1b;<\/li>\n<li>TypeScript \u539f\u751f\u652f\u6301&#xff1a;\u4ece\u8bbe\u8ba1\u4e4b\u521d\u5c31\u62e5\u62b1\u7c7b\u578b\u7cfb\u7edf\u3002<\/li>\n<\/ul>\n<h4>1.2 \u4e3a\u4ec0\u4e48\u9009 Vue3<\/h4>\n<table>\n<tr>\u7ef4\u5ea6Vue3 \u7684\u4f18\u52bf<\/tr>\n<tbody>\n<tr>\n<td>\u6027\u80fd<\/td>\n<td>Proxy \u54cd\u5e94\u5f0f\u3001\u7f16\u8bd1\u65f6\u4f18\u5316\u3001\u66f4\u5c0f\u7684\u8fd0\u884c\u65f6<\/td>\n<\/tr>\n<tr>\n<td>\u4ee3\u7801\u7ec4\u7ec7<\/td>\n<td>Composition API \u89e3\u51b3\u5927\u578b\u5e94\u7528\u7684\u903b\u8f91\u590d\u7528<\/td>\n<\/tr>\n<tr>\n<td>TypeScript<\/td>\n<td>\u539f\u751f TS \u652f\u6301&#xff0c;\u7c7b\u578b\u63a8\u5bfc\u66f4\u81ea\u7136<\/td>\n<\/tr>\n<tr>\n<td>\u751f\u6001<\/td>\n<td>Vite\u3001Pinia\u3001Nuxt3 \u7ec4\u6210\u65b0\u4e00\u4ee3\u751f\u6001<\/td>\n<\/tr>\n<tr>\n<td>\u7ef4\u62a4<\/td>\n<td>Vue2 \u5df2 EOL&#xff0c;Vue3 \u662f\u552f\u4e00\u73b0\u5f79\u7248\u672c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>2026 \u5e74\u7684\u73b0\u72b6&#xff1a;Vue2 \u5df2\u505c\u6b62\u7ef4\u62a4\u4e24\u5e74\u591a&#xff0c;Vue3 \u662f\u4e8b\u5b9e\u4e0a\u7684\u6807\u51c6\u2014\u2014\u65b0\u9879\u76ee\u76f4\u63a5\u9009 Vue3&#xff0c;\u8001\u9879\u76ee\u6309\u8282\u594f\u8fc1\u79fb\u3002<\/p>\n<h4>1.3 Vue3 \u7684\u8bbe\u8ba1\u76ee\u6807<\/h4>\n<p>Vue3 \u7684\u4e09\u4e2a\u6838\u5fc3\u8bbe\u8ba1\u76ee\u6807&#xff1a;<\/p>\n<li>\u66f4\u597d\u7684\u6027\u80fd&#xff1a;Proxy \u66ff\u4ee3 Object.defineProperty&#xff0c;\u7f16\u8bd1\u65f6\u4f18\u5316&#xff1b;<\/li>\n<li>\u66f4\u597d\u7684\u4ee3\u7801\u7ec4\u7ec7&#xff1a;Composition API \u66ff\u4ee3 Options API&#xff1b;<\/li>\n<li>\u66f4\u597d\u7684 TypeScript \u652f\u6301&#xff1a;\u4ece\u8bbe\u8ba1\u4e4b\u521d\u5c31\u8003\u8651\u7c7b\u578b\u63a8\u5bfc\u3002<\/li>\n<h4>1.4 2026 \u5e74 Vue3 \u751f\u6001\u73b0\u72b6<\/h4>\n<p>2026 \u5e74 9 \u6708\u7684\u4eca\u5929&#xff0c;Vue3 \u751f\u6001\u5df2\u7ecf\u5b8c\u5168\u6210\u719f&#xff1a;<\/p>\n<table>\n<tr>\u751f\u6001\u7ec4\u4ef6\u5f53\u524d\u7248\u672c\u72b6\u6001<\/tr>\n<tbody>\n<tr>\n<td>Vue \u6838\u5fc3<\/td>\n<td>3.5 \u201cTengen Toppa Gurren Lagann\u201d<\/td>\n<td>\u5f53\u524d\u6700\u65b0\u5c0f\u7248\u672c<\/td>\n<\/tr>\n<tr>\n<td>Vite<\/td>\n<td>6.x<\/td>\n<td>\u6784\u5efa\u5de5\u5177\u6807\u51c6<\/td>\n<\/tr>\n<tr>\n<td>Pinia<\/td>\n<td>2.x<\/td>\n<td>\u5b98\u65b9\u63a8\u8350\u72b6\u6001\u7ba1\u7406<\/td>\n<\/tr>\n<tr>\n<td>Vue Router<\/td>\n<td>4.x<\/td>\n<td>\u5b98\u65b9\u8def\u7531<\/td>\n<\/tr>\n<tr>\n<td>Nuxt<\/td>\n<td>3.x<\/td>\n<td>SSR\/SSG \u5143\u6846\u67b6<\/td>\n<\/tr>\n<tr>\n<td>TypeScript<\/td>\n<td>5.x<\/td>\n<td>\u539f\u751f\u652f\u6301<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u5173\u952e\u4e8b\u5b9e&#xff1a;Vue2 \u5df2\u4e8e 2023 \u5e74 12 \u6708 31 \u65e5\u6b63\u5f0f EOL\u2014\u2014\u4e0d\u518d\u6709\u5b89\u5168\u8865\u4e01\u3001\u4e0d\u518d\u6709\u65b0\u529f\u80fd\u3001\u793e\u533a\u4e0d\u518d\u7ef4\u62a4\u30022026 \u5e74\u7684\u4eca\u5929&#xff0c;Vue2 \u662f&#034;\u5df2\u6dd8\u6c70&#034;\u7684\u6280\u672f&#xff0c;Vue3 \u662f\u552f\u4e00\u73b0\u5f79\u9009\u62e9\u3002<\/p>\n<h4>1.5 Vue3 \u7684\u9002\u7528\u573a\u666f<\/h4>\n<table>\n<tr>\u573a\u666f\u9002\u5408\u5ea6\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>\u4e2d\u5927\u578b\u5355\u9875\u5e94\u7528&#xff08;SPA&#xff09;<\/td>\n<td>\u2b50\u2b50\u2b50\u2b50\u2b50<\/td>\n<td>Composition API &#043; Pinia \u5b8c\u7f8e\u9002\u914d<\/td>\n<\/tr>\n<tr>\n<td>\u5185\u5bb9\u578b\u7f51\u7ad9&#xff08;\u535a\u5ba2\/\u6587\u6863\/\u8425\u9500\u9875&#xff09;<\/td>\n<td>\u2b50\u2b50\u2b50\u2b50\u2b50<\/td>\n<td>Nuxt3 SSG \u9759\u6001\u751f\u6210<\/td>\n<\/tr>\n<tr>\n<td>\u7535\u5546\/\u95e8\u6237<\/td>\n<td>\u2b50\u2b50\u2b50\u2b50\u2b50<\/td>\n<td>Nuxt3 SSR \u9996\u5c4f\u5feb<\/td>\n<\/tr>\n<tr>\n<td>\u7ec4\u4ef6\u5e93\u5f00\u53d1<\/td>\n<td>\u2b50\u2b50\u2b50\u2b50\u2b50<\/td>\n<td>TypeScript \u539f\u751f\u652f\u6301<\/td>\n<\/tr>\n<tr>\n<td>\u79fb\u52a8\u7aef H5<\/td>\n<td>\u2b50\u2b50\u2b50\u2b50<\/td>\n<td>Vite \u6784\u5efa\u5feb&#xff0c;\u4f53\u9a8c\u597d<\/td>\n<\/tr>\n<tr>\n<td>\u5c0f\u7a0b\u5e8f<\/td>\n<td>\u2b50\u2b50\u2b50<\/td>\n<td>uni-app\/Taro \u652f\u6301 Vue3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u4e0d\u9002\u5408\u7684\u573a\u666f&#xff1a;<\/p>\n<ul>\n<li>\u6781\u7aef\u9ad8\u6027\u80fd\u6e38\u620f\/\u5b9e\u65f6\u53ef\u89c6\u5316&#xff1a;\u9009 Canvas\/WebGL \u539f\u751f\u65b9\u6848&#xff1b;<\/li>\n<li>\u9700\u8981\u4e0e React \u751f\u6001\u6df1\u5ea6\u96c6\u6210&#xff1a;\u5982\u679c\u56e2\u961f\u4e3b\u529b\u662f React&#xff0c;\u4e0d\u8981\u786c\u5207 Vue\u3002<\/li>\n<\/ul>\n<h4>1.6 Vue3 \u7684\u8bbe\u8ba1\u54f2\u5b66<\/h4>\n<p>Vue3 \u7684\u8bbe\u8ba1\u54f2\u5b66\u53ef\u4ee5\u6982\u62ec\u4e3a\u4e09\u53e5\u8bdd&#xff1a;<\/p>\n<li>\u6e10\u8fdb\u5f0f\u589e\u5f3a&#xff1a;\u4f60\u53ef\u4ee5\u53ea\u7528 Vue3 \u7684\u6838\u5fc3&#xff0c;\u4e5f\u53ef\u4ee5\u7528\u4e0a\u5b8c\u6574\u751f\u6001&#xff1b;<\/li>\n<li>\u7f16\u8bd1\u65f6\u4f18\u5148&#xff1a;\u5c3d\u53ef\u80fd\u5728\u7f16\u8bd1\u65f6\u505a\u4f18\u5316&#xff0c;\u51cf\u5c11\u8fd0\u884c\u65f6\u5f00\u9500&#xff1b;<\/li>\n<li>\u5f00\u53d1\u8005\u4f53\u9a8c\u4f18\u5148&#xff1a;\u51cf\u5c11\u6837\u677f\u4ee3\u7801&#xff0c;\u63d0\u5347\u5f00\u53d1\u6548\u7387\u3002<\/li>\n<p>\u4e0e React \u7684\u5bf9\u6bd4&#xff1a;<\/p>\n<table>\n<tr>\u7ef4\u5ea6Vue3React<\/tr>\n<tbody>\n<tr>\n<td>\u5b66\u4e60\u66f2\u7ebf<\/td>\n<td>\u5e73\u7f13&#xff08;\u6a21\u677f\u8bed\u6cd5\u53cb\u597d&#xff09;<\/td>\n<td>\u9661\u5ced&#xff08;JSX &#043; Hooks&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u72b6\u6001\u7ba1\u7406<\/td>\n<td>Pinia&#xff08;\u5b98\u65b9\u63a8\u8350&#xff09;<\/td>\n<td>Redux\/Zustand\/Jotai&#xff08;\u591a\u79cd\u9009\u62e9&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u6784\u5efa\u5de5\u5177<\/td>\n<td>Vite&#xff08;\u5b98\u65b9\u63a8\u8350&#xff09;<\/td>\n<td>Vite\/Webpack\/Next.js<\/td>\n<\/tr>\n<tr>\n<td>SSR \u5143\u6846\u67b6<\/td>\n<td>Nuxt 3<\/td>\n<td>Next.js<\/td>\n<\/tr>\n<tr>\n<td>\u7c7b\u578b\u652f\u6301<\/td>\n<td>\u539f\u751f TS \u652f\u6301<\/td>\n<td>TSX \u539f\u751f<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Vue3 \u7684\u6838\u5fc3\u4f18\u52bf&#xff1a;\u5b66\u4e60\u66f2\u7ebf\u5e73\u7f13\u3001\u5b98\u65b9\u751f\u6001\u7edf\u4e00\u3001\u5f00\u53d1\u6548\u7387\u9ad8\u2014\u2014\u8fd9\u662f Vue3 \u5728\u56fd\u5185\u5e02\u573a\u5360\u6709\u7387\u6301\u7eed\u9886\u5148\u7684\u6839\u672c\u539f\u56e0\u3002<\/p>\n<h4>1.7 Vue3 \u4e0e\u5176\u4ed6\u6846\u67b6\u5bf9\u6bd4<\/h4>\n<table>\n<tr>\u7ef4\u5ea6Vue3ReactSvelte<\/tr>\n<tbody>\n<tr>\n<td>\u5b66\u4e60\u66f2\u7ebf<\/td>\n<td>\u5e73\u7f13<\/td>\n<td>\u9661\u5ced<\/td>\n<td>\u5e73\u7f13<\/td>\n<\/tr>\n<tr>\n<td>\u5305\u4f53\u79ef<\/td>\n<td>~30KB<\/td>\n<td>~42KB<\/td>\n<td>\u66f4\u5c0f&#xff08;\u7f16\u8bd1\u65f6&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u6027\u80fd<\/td>\n<td>\u597d<\/td>\n<td>\u597d<\/td>\n<td>\u66f4\u597d&#xff08;\u7f16\u8bd1\u65f6\u4f18\u5316&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u72b6\u6001\u7ba1\u7406<\/td>\n<td>Pinia<\/td>\n<td>Redux\/Zustand<\/td>\n<td>\u5185\u7f6e store<\/td>\n<\/tr>\n<tr>\n<td>SSR<\/td>\n<td>Nuxt 3<\/td>\n<td>Next.js<\/td>\n<td>SvelteKit<\/td>\n<\/tr>\n<tr>\n<td>TypeScript<\/td>\n<td>\u539f\u751f<\/td>\n<td>\u539f\u751f<\/td>\n<td>\u539f\u751f<\/td>\n<\/tr>\n<tr>\n<td>\u56fd\u5185\u751f\u6001<\/td>\n<td>\u6700\u6210\u719f<\/td>\n<td>\u6210\u719f<\/td>\n<td>\u8f83\u65b0<\/td>\n<\/tr>\n<tr>\n<td>\u5c31\u4e1a\u5e02\u573a<\/td>\n<td>\u5927<\/td>\n<td>\u5927<\/td>\n<td>\u5c0f<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u9009\u578b\u5efa\u8bae&#xff1a;<\/p>\n<ul>\n<li>\u56fd\u5185\u4f01\u4e1a&#xff1a;Vue3 \u751f\u6001\u6700\u6210\u719f&#xff0c;\u5c31\u4e1a\u5e02\u573a\u6700\u5927&#xff1b;<\/li>\n<li>\u56fd\u9645\u5316\u56e2\u961f&#xff1a;React \u751f\u6001\u66f4\u6210\u719f&#xff0c;\u56fd\u9645\u793e\u533a\u66f4\u5927&#xff1b;<\/li>\n<li>\u5c0f\u56e2\u961f\/\u5feb\u901f\u5f00\u53d1&#xff1a;Svelte \u66f4\u8f7b\u91cf&#xff0c;\u4f46\u751f\u6001\u8f83\u5c0f&#xff1b;<\/li>\n<li>\u957f\u671f\u5b66\u4e60&#xff1a;Vue3 \u548c React \u90fd\u503c\u5f97\u5b66&#xff0c;\u601d\u8def\u76f8\u901a\u3002<\/li>\n<\/ul>\n<h4>1.8 Vue3 \u7684\u5b66\u4e60\u8d44\u6e90<\/h4>\n<table>\n<tr>\u8d44\u6e90\u7c7b\u578b\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>Vue \u5b98\u65b9\u6587\u6863<\/td>\n<td>\u6587\u6863<\/td>\n<td>https:\/\/cn.vuejs.org \u2014 \u6700\u6743\u5a01\u7684\u6587\u6863<\/td>\n<\/tr>\n<tr>\n<td>Vue \u5b98\u65b9\u535a\u5ba2<\/td>\n<td>\u535a\u5ba2<\/td>\n<td>https:\/\/blog.vuejs.org \u2014 \u6700\u65b0\u7248\u672c\u52a8\u6001<\/td>\n<\/tr>\n<tr>\n<td>Vue Mastery<\/td>\n<td>\u89c6\u9891\u8bfe\u7a0b<\/td>\n<td>\u4ed8\u8d39&#xff0c;\u8d28\u91cf\u9ad8&#xff0c;\u5b9e\u6218\u5bfc\u5411<\/td>\n<\/tr>\n<tr>\n<td>Vue School<\/td>\n<td>\u89c6\u9891\u8bfe\u7a0b<\/td>\n<td>\u4ed8\u8d39&#xff0c;\u5b9e\u6218\u9879\u76ee\u591a<\/td>\n<\/tr>\n<tr>\n<td>VueUse<\/td>\n<td>\u5de5\u5177\u5e93<\/td>\n<td>https:\/\/vueuse.org \u2014 \u5b9e\u7528 composable \u96c6\u5408<\/td>\n<\/tr>\n<tr>\n<td>awesome-vue<\/td>\n<td>\u8d44\u6e90\u5927\u5168<\/td>\n<td>GitHub \u4e0a\u7684 Vue \u751f\u6001\u8d44\u6e90\u5217\u8868<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u5b66\u4e60\u5efa\u8bae&#xff1a;<\/p>\n<ul>\n<li>\u5165\u95e8&#xff1a;\u5148\u770b\u5b98\u65b9\u6587\u6863&#xff0c;\u638c\u63e1\u57fa\u7840\u8bed\u6cd5&#xff1b;<\/li>\n<li>\u8fdb\u9636&#xff1a;\u505a\u5b9e\u6218\u9879\u76ee&#xff0c;\u6df1\u5165 Composition API&#xff1b;<\/li>\n<li>\u6df1\u5165&#xff1a;\u8bfb\u6e90\u7801&#xff0c;\u7406\u89e3\u54cd\u5e94\u5f0f\u539f\u7406&#xff1b;<\/li>\n<li>\u751f\u6001&#xff1a;\u5b66\u4e60 Vite\u3001Pinia\u3001Nuxt 3 \u7b49\u751f\u6001\u5de5\u5177\u3002<\/li>\n<\/ul>\n<p>Vue3 \u9002\u5408\u8c01\u5b66&#xff1a;<\/p>\n<table>\n<tr>\u4eba\u7fa4\u9002\u5408\u5ea6\u7406\u7531<\/tr>\n<tbody>\n<tr>\n<td>\u524d\u7aef\u65b0\u624b<\/td>\n<td>\u2b50\u2b50\u2b50\u2b50\u2b50<\/td>\n<td>\u6a21\u677f\u8bed\u6cd5\u53cb\u597d&#xff0c;\u5b66\u4e60\u66f2\u7ebf\u5e73\u7f13<\/td>\n<\/tr>\n<tr>\n<td>Vue2 \u8001\u53f8\u673a<\/td>\n<td>\u2b50\u2b50\u2b50\u2b50\u2b50<\/td>\n<td>\u5347\u7ea7\u8def\u5f84\u6e05\u6670&#xff0c;\u751f\u6001\u7edf\u4e00<\/td>\n<\/tr>\n<tr>\n<td>React \u5f00\u53d1\u8005<\/td>\n<td>\u2b50\u2b50\u2b50\u2b50<\/td>\n<td>\u601d\u8def\u76f8\u901a&#xff0c;\u8fc1\u79fb\u6210\u672c\u4f4e<\/td>\n<\/tr>\n<tr>\n<td>\u540e\u7aef\u8f6c\u524d\u7aef<\/td>\n<td>\u2b50\u2b50\u2b50\u2b50\u2b50<\/td>\n<td>\u6a21\u677f\u8bed\u6cd5\u66f4\u63a5\u8fd1\u540e\u7aef\u601d\u7ef4<\/td>\n<\/tr>\n<tr>\n<td>\u5168\u6808\u5f00\u53d1\u8005<\/td>\n<td>\u2b50\u2b50\u2b50\u2b50\u2b50<\/td>\n<td>\u914d\u5408 Nuxt 3 \u505a\u5168\u6808\u5f00\u53d1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u4e3a\u4ec0\u4e48 2026 \u5e74\u8fd8\u8981\u5b66 Vue3&#xff1a;<\/p>\n<li>\u56fd\u5185\u5e02\u573a\u5360\u6709\u7387\u7b2c\u4e00&#xff1a;Vue \u5728\u56fd\u5185\u524d\u7aef\u5e02\u573a\u5360\u6709\u7387\u6301\u7eed\u9886\u5148&#xff1b;<\/li>\n<li>\u751f\u6001\u6700\u6210\u719f&#xff1a;Vite\u3001Pinia\u3001Nuxt 3 \u7ec4\u6210\u5b8c\u6574\u751f\u6001&#xff1b;<\/li>\n<li>\u5c31\u4e1a\u5e02\u573a\u5927&#xff1a;\u56fd\u5185\u4f01\u4e1a\u5927\u91cf\u4f7f\u7528 Vue&#xff1b;<\/li>\n<li>\u5b66\u4e60\u66f2\u7ebf\u5e73\u7f13&#xff1a;\u6bd4 React \u66f4\u5bb9\u6613\u4e0a\u624b&#xff1b;<\/li>\n<li>\u957f\u671f\u7ef4\u62a4&#xff1a;Vue3 \u6301\u7eed\u8fed\u4ee3&#xff0c;Vue2 \u5df2 EOL\u3002<\/li>\n<hr \/>\n<h3>2. Vue2 vs Vue3 \u6838\u5fc3\u533a\u522b\u603b\u89c8<\/h3>\n<h4>2.1 \u4e00\u5f20\u8868\u770b\u61c2\u6838\u5fc3\u5dee\u5f02<\/h4>\n<table>\n<tr>\u7ef4\u5ea6Vue2Vue3<\/tr>\n<tbody>\n<tr>\n<td>\u54cd\u5e94\u5f0f\u539f\u7406<\/td>\n<td>Object.defineProperty<\/td>\n<td>Proxy &#043; Reflect<\/td>\n<\/tr>\n<tr>\n<td>API \u98ce\u683c<\/td>\n<td>Options API&#xff08;data\/methods\/computed&#xff09;<\/td>\n<td>Composition API&#xff08;ref\/reactive\/computed&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u6784\u5efa\u5de5\u5177<\/td>\n<td>webpack<\/td>\n<td>Vite<\/td>\n<\/tr>\n<tr>\n<td>\u72b6\u6001\u7ba1\u7406<\/td>\n<td>Vuex<\/td>\n<td>Pinia<\/td>\n<\/tr>\n<tr>\n<td>\u8def\u7531<\/td>\n<td>Vue Router 3<\/td>\n<td>Vue Router 4<\/td>\n<\/tr>\n<tr>\n<td>TypeScript<\/td>\n<td>\u652f\u6301\u6709\u9650<\/td>\n<td>\u539f\u751f\u652f\u6301<\/td>\n<\/tr>\n<tr>\n<td>\u591a\u6839\u8282\u70b9<\/td>\n<td>\u4e0d\u652f\u6301&#xff08;\u5355\u6839&#xff09;<\/td>\n<td>\u652f\u6301 Fragment&#xff08;\u591a\u6839&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>Teleport<\/td>\n<td>\u65e0<\/td>\n<td>\u5185\u7f6e<\/td>\n<\/tr>\n<tr>\n<td>Suspense<\/td>\n<td>\u65e0<\/td>\n<td>\u5185\u7f6e<\/td>\n<\/tr>\n<tr>\n<td>\u751f\u547d\u5468\u671f<\/td>\n<td>beforeDestroy\/destroyed<\/td>\n<td>onBeforeUnmount\/onUnmounted<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>2.2 \u8fc1\u79fb\u7684\u672c\u8d28<\/h4>\n<p>\u4ece Vue2 \u5230 Vue3 \u7684\u8fc1\u79fb&#xff0c;\u672c\u8d28\u4e0a\u662f\u4e09\u4ef6\u4e8b&#xff1a;<\/p>\n<li>\u54cd\u5e94\u5f0f\u7cfb\u7edf\u6362\u4ee3&#xff1a;Proxy \u66ff\u4ee3 defineProperty&#xff1b;<\/li>\n<li>\u4ee3\u7801\u7ec4\u7ec7\u6362\u4ee3&#xff1a;Composition API \u66ff\u4ee3 Options API&#xff1b;<\/li>\n<li>\u751f\u6001\u6362\u4ee3&#xff1a;Vite &#043; Pinia &#043; Vue Router 4\u3002<\/li>\n<p>\u8fd9\u4e0d\u662f&#034;\u6539\u51e0\u4e2a\u8bed\u6cd5&#034;&#xff0c;\u800c\u662f&#034;\u6574\u4e2a\u5f00\u53d1\u8303\u5f0f\u7684\u5347\u7ea7&#034;\u2014\u2014\u4f46\u5347\u7ea7\u65b9\u5411\u662f\u5bf9\u7684&#xff0c;\u4e14\u8def\u5f84\u6e05\u6670\u3002<\/p>\n<h4>2.3 \u8fc1\u79fb\u7684\u6536\u76ca\u5206\u6790<\/h4>\n<p>\u4ece Vue2 \u8fc1\u79fb\u5230 Vue3&#xff0c;\u4f60\u80fd\u5f97\u5230\u4ec0\u4e48&#xff1a;<\/p>\n<table>\n<tr>\u6536\u76ca\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>\u6027\u80fd\u63d0\u5347<\/td>\n<td>Proxy \u54cd\u5e94\u5f0f &#043; \u7f16\u8bd1\u65f6\u4f18\u5316&#xff0c;\u6e32\u67d3\u6027\u80fd\u63d0\u5347 1~2 \u500d<\/td>\n<\/tr>\n<tr>\n<td>\u4ee3\u7801\u7ec4\u7ec7<\/td>\n<td>Composition API \u89e3\u51b3\u5927\u578b\u5e94\u7528\u7684\u903b\u8f91\u590d\u7528<\/td>\n<\/tr>\n<tr>\n<td>TypeScript<\/td>\n<td>\u539f\u751f TS \u652f\u6301&#xff0c;\u7c7b\u578b\u63a8\u5bfc\u66f4\u81ea\u7136<\/td>\n<\/tr>\n<tr>\n<td>\u5f00\u53d1\u4f53\u9a8c<\/td>\n<td>Vite \u6781\u5feb\u542f\u52a8 &#043; \u70ed\u66f4\u65b0<\/td>\n<\/tr>\n<tr>\n<td>\u7ef4\u62a4\u6027<\/td>\n<td>Vue2 \u5df2 EOL&#xff0c;Vue3 \u6301\u7eed\u8fed\u4ee3<\/td>\n<\/tr>\n<tr>\n<td>\u751f\u6001<\/td>\n<td>\u65b0\u7ec4\u4ef6\u5e93\u3001\u65b0\u5de5\u5177\u90fd\u4f18\u5148\u652f\u6301 Vue3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u8fc1\u79fb\u6210\u672c&#xff1a;<\/p>\n<table>\n<tr>\u9879\u76ee\u89c4\u6a21\u4e3b\u8981\u5de5\u4f5c\u91cf\u9884\u4f30\u5468\u671f<\/tr>\n<tbody>\n<tr>\n<td>\u5c0f\u578b\u9879\u76ee&#xff08;&lt; 10 \u4e2a\u9875\u9762&#xff09;<\/td>\n<td>\u8bed\u6cd5\u8fc1\u79fb &#043; Pinia<\/td>\n<td>1~3 \u5929<\/td>\n<\/tr>\n<tr>\n<td>\u4e2d\u578b\u9879\u76ee&#xff08;10~50 \u4e2a\u9875\u9762&#xff09;<\/td>\n<td>Composition API \u8fc1\u79fb &#043; Vuex\u2192Pinia<\/td>\n<td>1~2 \u5468<\/td>\n<\/tr>\n<tr>\n<td>\u5927\u578b\u9879\u76ee&#xff08;&gt; 50 \u4e2a\u9875\u9762&#xff09;<\/td>\n<td>\u5168\u91cf\u8fc1\u79fb &#043; \u7ec4\u4ef6\u5e93\u9002\u914d<\/td>\n<td>2~4 \u5468<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u6838\u5fc3\u7ed3\u8bba&#xff1a;Vue2 \u5df2 EOL&#xff0c;\u8fc1\u79fb\u4e0d\u662f&#034;\u8981\u4e0d\u8981&#034;&#xff0c;\u800c\u662f&#034;\u4ec0\u4e48\u65f6\u5019&#034;\u2014\u2014\u8d8a\u65e9\u8fc1\u79fb&#xff0c;\u6280\u672f\u503a\u8d8a\u5c11\u3002<\/p>\n<h4>2.4 Vue2 \u5230 Vue3 \u7684\u6e10\u8fdb\u8fc1\u79fb\u7b56\u7565<\/h4>\n<p>\u6e10\u8fdb\u8fc1\u79fb\u4e09\u6b65\u8d70&#xff1a;<\/p>\n<p>  #mermaid-svg-ynznx95KtWlpV66U{font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;font-size:16px;fill:#333;}@keyframes edge-animation-frame{from{stroke-dashoffset:0;}}@keyframes dash{to{stroke-dashoffset:0;}}#mermaid-svg-ynznx95KtWlpV66U .edge-animation-slow{stroke-dasharray:9,5!important;stroke-dashoffset:900;animation:dash 50s linear infinite;stroke-linecap:round;}#mermaid-svg-ynznx95KtWlpV66U .edge-animation-fast{stroke-dasharray:9,5!important;stroke-dashoffset:900;animation:dash 20s linear 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rect{fill:#ffffde;stroke:#aaaa33;stroke-width:1px;}#mermaid-svg-ynznx95KtWlpV66U .cluster text{fill:#333;}#mermaid-svg-ynznx95KtWlpV66U .cluster span{color:#333;}#mermaid-svg-ynznx95KtWlpV66U div.mermaidTooltip{position:absolute;text-align:center;max-width:200px;padding:2px;font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;font-size:12px;background:hsl(80, 100%, 96.2745098039%);border:1px solid #aaaa33;border-radius:2px;pointer-events:none;z-index:100;}#mermaid-svg-ynznx95KtWlpV66U .flowchartTitleText{text-anchor:middle;font-size:18px;fill:#333;}#mermaid-svg-ynznx95KtWlpV66U rect.text{fill:none;stroke-width:0;}#mermaid-svg-ynznx95KtWlpV66U .icon-shape,#mermaid-svg-ynznx95KtWlpV66U .image-shape{background-color:rgba(232,232,232, 0.8);text-align:center;}#mermaid-svg-ynznx95KtWlpV66U .icon-shape p,#mermaid-svg-ynznx95KtWlpV66U .image-shape p{background-color:rgba(232,232,232, 0.8);padding:2px;}#mermaid-svg-ynznx95KtWlpV66U .icon-shape .label rect,#mermaid-svg-ynznx95KtWlpV66U .image-shape .label rect{opacity:0.5;background-color:rgba(232,232,232, 0.8);fill:rgba(232,232,232, 0.8);}#mermaid-svg-ynznx95KtWlpV66U .label-icon{display:inline-block;height:1em;overflow:visible;vertical-align:-0.125em;}#mermaid-svg-ynznx95KtWlpV66U .node .label-icon path{fill:currentColor;stroke:revert;stroke-width:revert;}#mermaid-svg-ynznx95KtWlpV66U :root{&#8211;mermaid-font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;}<\/p>\n<p>         <span class=\"edgeLabel\"><\/span><\/p>\n<p>         <span class=\"edgeLabel\"><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>\u7b2c\u4e00\u6b65&#xff1a;Vue2.7\u517c\u5bb9 Vue3 \u8bed\u6cd5<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>\u7b2c\u4e8c\u6b65&#xff1a;Vite &#043; Vue3\u5e76\u884c\u8fd0\u884c<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>\u7b2c\u4e09\u6b65&#xff1a;\u5168\u91cf\u8fc1\u79fb\u79fb\u9664 Vue2<\/p>\n<p><\/span><\/p>\n<p>\u7b2c\u4e00\u6b65&#xff1a;Vue2.7 \u517c\u5bb9 Vue3 \u8bed\u6cd5<\/p>\n<p>Vue 2.7 \u662f Vue2 \u7684\u6700\u540e\u4e00\u4e2a\u7248\u672c&#xff0c;\u5b83 backport \u4e86 Vue3 \u7684 Composition API&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ Vue 2.7 \u4e2d\u4e5f\u53ef\u4ee5\u7528 Composition API<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">{<\/span> ref<span class=\"token punctuation\">,<\/span> computed <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;vue&#039;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">export<\/span> <span class=\"token keyword\">default<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token function\">setup<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> count <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">ref<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> doubleCount <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">computed<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> count<span class=\"token punctuation\">.<\/span>value <span class=\"token operator\">*<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">{<\/span> count<span class=\"token punctuation\">,<\/span> doubleCount <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u7b2c\u4e8c\u6b65&#xff1a;Vite &#043; Vue3 \u5e76\u884c\u8fd0\u884c<\/p>\n<p>\u7528 Vite \u642d\u5efa Vue3 \u9879\u76ee&#xff0c;\u548c Vue2 \u9879\u76ee\u5e76\u884c\u8fd0\u884c&#xff0c;\u9010\u6b65\u628a\u9875\u9762\u4ece Vue2 \u8fc1\u79fb\u5230 Vue3\u3002<\/p>\n<p>\u7b2c\u4e09\u6b65&#xff1a;\u5168\u91cf\u8fc1\u79fb<\/p>\n<p>\u6240\u6709\u9875\u9762\u90fd\u8fc1\u79fb\u5230 Vue3 \u540e&#xff0c;\u79fb\u9664 Vue2 \u9879\u76ee&#xff0c;\u5b8c\u6210\u8fc1\u79fb\u3002<\/p>\n<h4>2.5 Vue3 \u7684\u751f\u6001\u5bf9\u6bd4<\/h4>\n<table>\n<tr>\u751f\u6001Vue2 \u65f6\u4ee3Vue3 \u65f6\u4ee3<\/tr>\n<tbody>\n<tr>\n<td>\u6784\u5efa\u5de5\u5177<\/td>\n<td>webpack<\/td>\n<td>Vite<\/td>\n<\/tr>\n<tr>\n<td>\u72b6\u6001\u7ba1\u7406<\/td>\n<td>Vuex<\/td>\n<td>Pinia<\/td>\n<\/tr>\n<tr>\n<td>\u8def\u7531<\/td>\n<td>Vue Router 3<\/td>\n<td>Vue Router 4<\/td>\n<\/tr>\n<tr>\n<td>SSR<\/td>\n<td>Nuxt 2<\/td>\n<td>Nuxt 3<\/td>\n<\/tr>\n<tr>\n<td>UI \u7ec4\u4ef6\u5e93<\/td>\n<td>Element UI<\/td>\n<td>Element Plus<\/td>\n<\/tr>\n<tr>\n<td>\u5de5\u5177\u5e93<\/td>\n<td>\u96f6\u6563<\/td>\n<td>VueUse<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u751f\u6001\u5347\u7ea7\u7684\u672c\u8d28&#xff1a;\u4ece&#034;\u96f6\u6563\u751f\u6001&#034;\u5230&#034;\u7edf\u4e00\u751f\u6001&#034;\u2014\u2014Vue3 \u7684\u751f\u6001\u66f4\u7edf\u4e00\u3001\u66f4\u73b0\u4ee3\u3001\u66f4\u9ad8\u6548\u3002<\/p>\n<h4>2.6 Vue3 \u7684\u7248\u672c\u5386\u53f2<\/h4>\n<table>\n<tr>\u7248\u672c\u53d1\u5e03\u65f6\u95f4\u5173\u952e\u7279\u6027<\/tr>\n<tbody>\n<tr>\n<td>Vue 3.0<\/td>\n<td>2020.09<\/td>\n<td>\u9996\u4e2a\u6b63\u5f0f\u7248\u672c&#xff0c;Composition API<\/td>\n<\/tr>\n<tr>\n<td>Vue 3.1<\/td>\n<td>2021.06<\/td>\n<td>\u517c\u5bb9\u6027\u6539\u8fdb<\/td>\n<\/tr>\n<tr>\n<td>Vue 3.2<\/td>\n<td>2021.08<\/td>\n<td>\u6027\u80fd\u4f18\u5316&#xff0c;&lt;script setup&gt; \u7a33\u5b9a<\/td>\n<\/tr>\n<tr>\n<td>Vue 3.3<\/td>\n<td>2023.05<\/td>\n<td>TS \u6539\u8fdb&#xff0c;\u6cdb\u578b\u7ec4\u4ef6<\/td>\n<\/tr>\n<tr>\n<td>Vue 3.4<\/td>\n<td>2023.12<\/td>\n<td>defineModel&#xff0c;SSR \u6539\u8fdb<\/td>\n<\/tr>\n<tr>\n<td>Vue 3.5<\/td>\n<td>2026.07<\/td>\n<td>Reactive Props Destructure&#xff0c;onEffectCleanup<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u7248\u672c\u9009\u62e9\u5efa\u8bae&#xff1a;<\/p>\n<ul>\n<li>\u751f\u4ea7\u73af\u5883&#xff1a;\u7528\u6700\u65b0\u7684\u7a33\u5b9a\u7248\u672c&#xff08;Vue 3.5&#043;&#xff09;&#xff1b;<\/li>\n<li>\u65b0\u9879\u76ee&#xff1a;\u76f4\u63a5\u7528\u6700\u65b0\u7248\u672c&#xff1b;<\/li>\n<li>\u8001\u9879\u76ee&#xff1a;\u9010\u6b65\u5347\u7ea7&#xff0c;\u4e0d\u8981\u8de8\u5927\u7248\u672c\u8df3\u8dc3\u3002<\/li>\n<\/ul>\n<p>\u7248\u672c\u5347\u7ea7\u6ce8\u610f\u4e8b\u9879&#xff1a;<\/p>\n<table>\n<tr>\u7248\u672c\u5347\u7ea7\u6ce8\u610f<\/tr>\n<tbody>\n<tr>\n<td>3.0 \u2192 3.1<\/td>\n<td>\u517c\u5bb9\u6027\u6539\u8fdb&#xff0c;\u76f4\u63a5\u5347\u7ea7<\/td>\n<\/tr>\n<tr>\n<td>3.1 \u2192 3.2<\/td>\n<td>&lt;script setup&gt; \u7a33\u5b9a&#xff0c;\u63a8\u8350\u5347\u7ea7<\/td>\n<\/tr>\n<tr>\n<td>3.2 \u2192 3.3<\/td>\n<td>TS \u6539\u8fdb&#xff0c;\u5347\u7ea7\u540e\u68c0\u67e5\u7c7b\u578b<\/td>\n<\/tr>\n<tr>\n<td>3.3 \u2192 3.4<\/td>\n<td>defineModel \u65b0\u7279\u6027&#xff0c;\u53ef\u9009\u5347\u7ea7<\/td>\n<\/tr>\n<tr>\n<td>3.4 \u2192 3.5<\/td>\n<td>Reactive Props Destructure&#xff0c;\u63a8\u8350\u5347\u7ea7<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u5347\u7ea7\u5efa\u8bae&#xff1a;\u5c0f\u7248\u672c\u5347\u7ea7\u901a\u5e38\u662f\u5b89\u5168\u7684&#xff0c;\u5347\u7ea7\u524d\u52a1\u5fc5\u8dd1\u4e00\u904d\u5b8c\u6574\u6d4b\u8bd5&#xff1b;\u5927\u7248\u672c\u5347\u7ea7&#xff08;\u5982 Vue2\u2192Vue3&#xff09;\u9700\u8981\u6309\u8fc1\u79fb\u8def\u7ebf\u56fe\u6267\u884c&#xff0c;\u4e0d\u8981\u4e00\u6b21\u6027\u5927\u7206\u70b8\u3002<\/p>\n<hr \/>\n<h3>3. \u54cd\u5e94\u5f0f\u539f\u7406&#xff1a;Proxy vs Object.defineProperty<\/h3>\n<h4>3.1 Vue2 \u7684\u75db\u70b9<\/h4>\n<p>Vue2 \u7684\u54cd\u5e94\u5f0f\u57fa\u4e8e Object.defineProperty\u2014\u2014\u5b83\u6709\u4e24\u4e2a\u65e0\u6cd5\u6839\u6cbb\u7684\u95ee\u9898&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ Vue2 \u7684\u54cd\u5e94\u5f0f\u5b9e\u73b0&#xff08;\u7b80\u5316&#xff09;<\/span><br \/>\n<span class=\"token keyword\">function<\/span> <span class=\"token function\">defineReactive<\/span><span class=\"token punctuation\">(<\/span><span class=\"token parameter\">obj<span class=\"token punctuation\">,<\/span> key<span class=\"token punctuation\">,<\/span> val<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  Object<span class=\"token punctuation\">.<\/span><span class=\"token function\">defineProperty<\/span><span class=\"token punctuation\">(<\/span>obj<span class=\"token punctuation\">,<\/span> key<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token comment\">\/\/ \u4f9d\u8d56\u6536\u96c6<\/span><br \/>\n      <span class=\"token keyword\">return<\/span> val<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token 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.node .label,#mermaid-svg-NQpEe0z4aTreOGrw .image-shape .label,#mermaid-svg-NQpEe0z4aTreOGrw .icon-shape .label{text-align:center;}#mermaid-svg-NQpEe0z4aTreOGrw .node.clickable{cursor:pointer;}#mermaid-svg-NQpEe0z4aTreOGrw .root .anchor path{fill:#333333!important;stroke-width:0;stroke:#333333;}#mermaid-svg-NQpEe0z4aTreOGrw .arrowheadPath{fill:#333333;}#mermaid-svg-NQpEe0z4aTreOGrw .edgePath .path{stroke:#333333;stroke-width:2.0px;}#mermaid-svg-NQpEe0z4aTreOGrw .flowchart-link{stroke:#333333;fill:none;}#mermaid-svg-NQpEe0z4aTreOGrw .edgeLabel{background-color:rgba(232,232,232, 0.8);text-align:center;}#mermaid-svg-NQpEe0z4aTreOGrw .edgeLabel p{background-color:rgba(232,232,232, 0.8);}#mermaid-svg-NQpEe0z4aTreOGrw .edgeLabel rect{opacity:0.5;background-color:rgba(232,232,232, 0.8);fill:rgba(232,232,232, 0.8);}#mermaid-svg-NQpEe0z4aTreOGrw .labelBkg{background-color:rgba(232, 232, 232, 0.5);}#mermaid-svg-NQpEe0z4aTreOGrw .cluster rect{fill:#ffffde;stroke:#aaaa33;stroke-width:1px;}#mermaid-svg-NQpEe0z4aTreOGrw .cluster text{fill:#333;}#mermaid-svg-NQpEe0z4aTreOGrw .cluster span{color:#333;}#mermaid-svg-NQpEe0z4aTreOGrw div.mermaidTooltip{position:absolute;text-align:center;max-width:200px;padding:2px;font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;font-size:12px;background:hsl(80, 100%, 96.2745098039%);border:1px solid #aaaa33;border-radius:2px;pointer-events:none;z-index:100;}#mermaid-svg-NQpEe0z4aTreOGrw .flowchartTitleText{text-anchor:middle;font-size:18px;fill:#333;}#mermaid-svg-NQpEe0z4aTreOGrw rect.text{fill:none;stroke-width:0;}#mermaid-svg-NQpEe0z4aTreOGrw .icon-shape,#mermaid-svg-NQpEe0z4aTreOGrw .image-shape{background-color:rgba(232,232,232, 0.8);text-align:center;}#mermaid-svg-NQpEe0z4aTreOGrw .icon-shape p,#mermaid-svg-NQpEe0z4aTreOGrw .image-shape p{background-color:rgba(232,232,232, 0.8);padding:2px;}#mermaid-svg-NQpEe0z4aTreOGrw .icon-shape .label rect,#mermaid-svg-NQpEe0z4aTreOGrw .image-shape .label rect{opacity:0.5;background-color:rgba(232,232,232, 0.8);fill:rgba(232,232,232, 0.8);}#mermaid-svg-NQpEe0z4aTreOGrw .label-icon{display:inline-block;height:1em;overflow:visible;vertical-align:-0.125em;}#mermaid-svg-NQpEe0z4aTreOGrw .node .label-icon path{fill:currentColor;stroke:revert;stroke-width:revert;}#mermaid-svg-NQpEe0z4aTreOGrw :root{&#8211;mermaid-font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;}<\/p>\n<p>           <span class=\"nodeLabel\"><\/p>\n<p>Vue3: Proxy<\/p>\n<p><\/span><\/p>\n<p>           <span class=\"edgeLabel\"><\/span><\/p>\n<p>           <span class=\"edgeLabel\"><\/span><\/p>\n<p>           <span class=\"edgeLabel\"><\/span><\/p>\n<p>           <span class=\"nodeLabel\"><\/p>\n<p>\u5bf9\u8c61<\/p>\n<p><\/span><\/p>\n<p>           <span class=\"nodeLabel\"><\/p>\n<p>\u6574\u4e2a\u5bf9\u8c61 Proxy \u4ee3\u7406<\/p>\n<p><\/span><\/p>\n<p>           <span class=\"nodeLabel\"><\/p>\n<p>\u65b0\u589e\u5c5e\u6027 \u2705 \u54cd\u5e94<\/p>\n<p><\/span><\/p>\n<p>           <span class=\"nodeLabel\"><\/p>\n<p>\u6570\u7ec4\u7d22\u5f15 \u2705 \u54cd\u5e94<\/p>\n<p><\/span><\/p>\n<p>           <span class=\"nodeLabel\"><\/p>\n<p>Vue2: Object.defineProperty<\/p>\n<p><\/span><\/p>\n<p>           <span class=\"edgeLabel\"><\/span><\/p>\n<p>           <span class=\"edgeLabel\"><\/span><\/p>\n<p>           <span class=\"edgeLabel\"><\/span><\/p>\n<p>           <span class=\"nodeLabel\"><\/p>\n<p>\u5bf9\u8c61<\/p>\n<p><\/span><\/p>\n<p>           <span class=\"nodeLabel\"><\/p>\n<p>\u9010\u5c5e\u6027 defineProperty<\/p>\n<p><\/span><\/p>\n<p>           <span class=\"nodeLabel\"><\/p>\n<p>\u65b0\u589e\u5c5e\u6027 \u274c \u4e0d\u54cd\u5e94<\/p>\n<p><\/span><\/p>\n<p>           <span class=\"nodeLabel\"><\/p>\n<p>\u6570\u7ec4\u7d22\u5f15 \u274c \u4e0d\u54cd\u5e94<\/p>\n<p><\/span><\/p>\n<p>Proxy \u7684\u6838\u5fc3\u4f18\u52bf&#xff1a;<\/p>\n<table>\n<tr>\u7ef4\u5ea6Vue2&#xff08;defineProperty&#xff09;Vue3&#xff08;Proxy&#xff09;<\/tr>\n<tbody>\n<tr>\n<td>\u52ab\u6301\u7c92\u5ea6<\/td>\n<td>\u5355\u4e2a\u5c5e\u6027<\/td>\n<td>\u6574\u4e2a\u5bf9\u8c61<\/td>\n<\/tr>\n<tr>\n<td>\u65b0\u589e\u5c5e\u6027<\/td>\n<td>\u274c&#xff08;\u9700 Vue.set&#xff09;<\/td>\n<td>\u2705 \u539f\u751f\u652f\u6301<\/td>\n<\/tr>\n<tr>\n<td>\u5220\u9664\u5c5e\u6027<\/td>\n<td>\u274c&#xff08;\u9700 Vue.delete&#xff09;<\/td>\n<td>\u2705 \u539f\u751f\u652f\u6301<\/td>\n<\/tr>\n<tr>\n<td>\u6570\u7ec4\u7d22\u5f15<\/td>\n<td>\u274c<\/td>\n<td>\u2705 \u539f\u751f\u652f\u6301<\/td>\n<\/tr>\n<tr>\n<td>Map\/Set<\/td>\n<td>\u274c<\/td>\n<td>\u2705 \u539f\u751f\u652f\u6301<\/td>\n<\/tr>\n<tr>\n<td>\u6027\u80fd<\/td>\n<td>\u521d\u59cb\u5316\u65f6\u9012\u5f52\u904d\u5386<\/td>\n<td>\u61d2\u76d1\u542c&#xff0c;\u6309\u9700\u4ee3\u7406<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>3.3 \u54cd\u5e94\u5f0f\u7684\u4e24\u4e2a\u6838\u5fc3 API<\/h4>\n<p>Vue3 \u63d0\u4f9b\u4e86 ref \u548c reactive \u4e24\u4e2a\u6838\u5fc3 API&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ ref&#xff1a;\u57fa\u672c\u7c7b\u578b&#xff08;\u6216\u9700\u8981\u6574\u4f53\u66ff\u6362\u7684\u5bf9\u8c61&#xff09;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">{<\/span> ref <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;vue&#039;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">const<\/span> count <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">ref<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nconsole<span class=\"token punctuation\">.<\/span><span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span>count<span class=\"token punctuation\">.<\/span>value<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ 0&#xff08;\u6a21\u677f\u4e2d\u81ea\u52a8\u89e3\u5305&#xff0c;\u811a\u672c\u4e2d\u9700 .value&#xff09;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ reactive&#xff1a;\u5bf9\u8c61\u7c7b\u578b<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">{<\/span> reactive <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;vue&#039;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">const<\/span> state <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">reactive<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token literal-property property\">name<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;Vue3&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  <span class=\"token literal-property property\">version<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;3.5&#039;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nconsole<span class=\"token punctuation\">.<\/span><span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span>state<span class=\"token punctuation\">.<\/span>name<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ &#039;Vue3&#039;&#xff08;\u65e0\u9700 .value&#xff09;<\/span><\/p>\n<p>\u9009\u578b\u5efa\u8bae&#xff1a;<\/p>\n<ul>\n<li>\u57fa\u672c\u7c7b\u578b\u7528 ref&#xff08;number\/string\/boolean&#xff09;&#xff1b;<\/li>\n<li>\u5bf9\u8c61\u7528 reactive&#xff08;object\/array&#xff09;&#xff1b;<\/li>\n<li>\u4e0d\u786e\u5b9a\u7528 ref\u2014\u2014\u66f4\u901a\u7528&#xff0c;\u4e14\u6a21\u677f\u4e2d\u81ea\u52a8\u89e3\u5305\u3002<\/li>\n<\/ul>\n<h4>3.4 \u54cd\u5e94\u5f0f\u539f\u7406\u6df1\u5ea6\u89e3\u6790<\/h4>\n<p>Vue3 \u7684\u54cd\u5e94\u5f0f\u7cfb\u7edf\u57fa\u4e8e\u4e09\u4e2a\u6838\u5fc3\u6982\u5ff5&#xff1a;Proxy\u3001\u4f9d\u8d56\u6536\u96c6\u3001\u89e6\u53d1\u66f4\u65b0\u3002<\/p>\n<p><span class=\"token comment\">\/\/ Vue3 \u54cd\u5e94\u5f0f\u539f\u7406&#xff08;\u7b80\u5316&#xff09;<\/span><br \/>\n<span class=\"token keyword\">function<\/span> <span class=\"token function\">reactive<\/span><span class=\"token punctuation\">(<\/span><span class=\"token parameter\">target<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Proxy<\/span><span class=\"token punctuation\">(<\/span>target<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span>target<span class=\"token punctuation\">,<\/span> key<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token comment\">\/\/ \u4f9d\u8d56\u6536\u96c6&#xff1a;\u8bb0\u5f55\u5f53\u524d effect \u4f9d\u8d56\u4e86\u8fd9\u4e2a key<\/span><br \/>\n      <span class=\"token function\">track<\/span><span class=\"token punctuation\">(<\/span>target<span class=\"token punctuation\">,<\/span> key<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      <span class=\"token keyword\">return<\/span> Reflect<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span>target<span class=\"token punctuation\">,<\/span> key<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token function\">set<\/span><span class=\"token punctuation\">(<\/span>target<span class=\"token punctuation\">,<\/span> key<span class=\"token punctuation\">,<\/span> value<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token keyword\">const<\/span> result <span class=\"token operator\">&#061;<\/span> Reflect<span class=\"token punctuation\">.<\/span><span class=\"token function\">set<\/span><span class=\"token punctuation\">(<\/span>target<span class=\"token punctuation\">,<\/span> key<span class=\"token punctuation\">,<\/span> value<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      <span class=\"token comment\">\/\/ \u89e6\u53d1\u66f4\u65b0&#xff1a;\u6267\u884c\u6240\u6709\u4f9d\u8d56\u8fd9\u4e2a key \u7684 effect<\/span><br \/>\n      <span class=\"token function\">trigger<\/span><span class=\"token punctuation\">(<\/span>target<span class=\"token punctuation\">,<\/span> key<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      <span class=\"token keyword\">return<\/span> result<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u5173\u952e\u6d41\u7a0b&#xff1a;<\/p>\n<li>\u7ec4\u4ef6\u6e32\u67d3\u65f6&#xff1a;\u8bfb\u53d6\u54cd\u5e94\u5f0f\u6570\u636e \u2192 get \u88ab\u89e6\u53d1 \u2192 \u4f9d\u8d56\u6536\u96c6&#xff08;\u8bb0\u5f55\u8fd9\u4e2a effect \u4f9d\u8d56\u4e86\u54ea\u4e9b key&#xff09;&#xff1b;<\/li>\n<li>\u6570\u636e\u53d8\u5316\u65f6&#xff1a;\u5199\u5165\u54cd\u5e94\u5f0f\u6570\u636e \u2192 set \u88ab\u89e6\u53d1 \u2192 \u89e6\u53d1\u66f4\u65b0&#xff08;\u6267\u884c\u6240\u6709\u4f9d\u8d56\u8fd9\u4e2a key \u7684 effect&#xff09;&#xff1b;<\/li>\n<li>\u91cd\u65b0\u6e32\u67d3&#xff1a;effect \u91cd\u65b0\u6267\u884c&#xff0c;\u8bfb\u53d6\u65b0\u6570\u636e \u2192 \u89c6\u56fe\u66f4\u65b0\u3002<\/li>\n<p>\u4e0e Vue2 \u7684\u672c\u8d28\u533a\u522b&#xff1a;<\/p>\n<ul>\n<li>Vue2&#xff1a;\u521d\u59cb\u5316\u65f6\u9012\u5f52\u904d\u5386\u6240\u6709\u5c5e\u6027&#xff0c;\u7ed9\u6bcf\u4e2a\u5c5e\u6027 defineProperty\u2014\u2014\u521d\u59cb\u5316\u6162&#xff1b;<\/li>\n<li>Vue3&#xff1a;\u61d2\u4ee3\u7406\u2014\u2014\u53ea\u6709\u88ab\u8bbf\u95ee\u7684\u5c5e\u6027\u624d\u4f1a\u88ab Proxy \u4ee3\u7406\u2014\u2014\u521d\u59cb\u5316\u5feb\u3002<\/li>\n<\/ul>\n<h4>3.5 \u5e38\u89c1\u54cd\u5e94\u5f0f\u9677\u9631<\/h4>\n<table>\n<tr>\u9677\u9631\u539f\u56e0\u89e3\u51b3<\/tr>\n<tbody>\n<tr>\n<td>\u89e3\u6784 reactive \u4e22\u5931\u54cd\u5e94\u5f0f<\/td>\n<td>reactive \u89e3\u6784\u540e\u53d8\u6210\u666e\u901a\u53d8\u91cf<\/td>\n<td>\u7528 toRefs \u4fdd\u6301\u54cd\u5e94\u5f0f<\/td>\n<\/tr>\n<tr>\n<td>\u76f4\u63a5\u66ff\u6362\u6574\u4e2a reactive \u5bf9\u8c61<\/td>\n<td>\u66ff\u6362\u540e\u539f\u5bf9\u8c61\u4e0d\u518d\u54cd\u5e94<\/td>\n<td>\u7528 ref \u6216 Object.assign<\/td>\n<\/tr>\n<tr>\n<td>\u6570\u7ec4\u7d22\u5f15\u8d4b\u503c\u4e0d\u66f4\u65b0<\/td>\n<td>Vue2 \u7684\u95ee\u9898&#xff0c;Vue3 \u5df2\u89e3\u51b3<\/td>\n<td>Vue3 \u539f\u751f\u652f\u6301<\/td>\n<\/tr>\n<tr>\n<td>\u65b0\u589e\u5c5e\u6027\u4e0d\u66f4\u65b0<\/td>\n<td>Vue2 \u7684\u95ee\u9898&#xff0c;Vue3 \u5df2\u89e3\u51b3<\/td>\n<td>Vue3 \u539f\u751f\u652f\u6301<\/td>\n<\/tr>\n<tr>\n<td>\u6df1\u5c42\u5bf9\u8c61\u54cd\u5e94\u5f0f\u6027\u80fd\u5dee<\/td>\n<td>\u6df1\u5c42 Proxy \u9012\u5f52\u4ee3\u7406<\/td>\n<td>\u7528 shallowReactive \u6d45\u5c42\u54cd\u5e94\u5f0f<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u6700\u4f73\u5b9e\u8df5&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u6b63\u786e&#xff1a;\u7528 toRefs \u4fdd\u6301\u89e3\u6784\u540e\u7684\u54cd\u5e94\u5f0f<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">{<\/span> reactive<span class=\"token punctuation\">,<\/span> toRefs <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;vue&#039;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">const<\/span> state <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">reactive<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span> <span class=\"token literal-property property\">count<\/span><span class=\"token operator\">:<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token literal-property property\">name<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;Vue3&#039;<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">const<\/span> <span class=\"token punctuation\">{<\/span> count<span class=\"token punctuation\">,<\/span> name <span class=\"token punctuation\">}<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">toRefs<\/span><span class=\"token punctuation\">(<\/span>state<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token comment\">\/\/ count \u548c name \u4ecd\u662f\u54cd\u5e94\u5f0f\u7684<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u6b63\u786e&#xff1a;\u4e0d\u786e\u5b9a\u7528 ref<\/span><br \/>\n<span class=\"token keyword\">const<\/span> count <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">ref<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\ncount<span class=\"token punctuation\">.<\/span>value<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u6a21\u677f\u4e2d\u81ea\u52a8\u89e3\u5305<\/span><\/p>\n<h4>3.6 \u54cd\u5e94\u5f0f\u7cfb\u7edf\u7684\u6027\u80fd\u8c03\u4f18<\/h4>\n<p>Vue3 \u7684\u54cd\u5e94\u5f0f\u7cfb\u7edf\u867d\u7136\u6bd4 Vue2 \u597d\u5f88\u591a&#xff0c;\u4f46\u5728\u6781\u7aef\u573a\u666f\u4e0b\u4ecd\u6709\u6027\u80fd\u95ee\u9898&#xff1a;<\/p>\n<table>\n<tr>\u573a\u666f\u95ee\u9898\u89e3\u51b3\u65b9\u6848<\/tr>\n<tbody>\n<tr>\n<td>\u5927\u578b\u5bf9\u8c61\u6df1\u5c42\u5d4c\u5957<\/td>\n<td>\u6df1\u5c42 Proxy \u9012\u5f52\u4ee3\u7406&#xff0c;\u521d\u59cb\u5316\u6162<\/td>\n<td>shallowReactive \u6d45\u5c42\u54cd\u5e94\u5f0f<\/td>\n<\/tr>\n<tr>\n<td>\u9891\u7e41\u66f4\u65b0\u7684\u5927\u6570\u7ec4<\/td>\n<td>\u6bcf\u6b21\u66f4\u65b0\u90fd\u89e6\u53d1\u4f9d\u8d56\u6536\u96c6<\/td>\n<td>shallowRef &#043; \u624b\u52a8\u89e6\u53d1<\/td>\n<\/tr>\n<tr>\n<td>\u7b2c\u4e09\u65b9\u5e93\u5bf9\u8c61<\/td>\n<td>\u4e0d\u9700\u8981\u54cd\u5e94\u5f0f\u4f46\u88ab\u4ee3\u7406\u4e86<\/td>\n<td>markRaw \u6807\u8bb0\u4e3a\u4e0d\u54cd\u5e94\u5f0f<\/td>\n<\/tr>\n<tr>\n<td>\u5927\u91cf\u8ba1\u7b97\u5c5e\u6027<\/td>\n<td>\u6bcf\u4e2a computed \u90fd\u6709\u4f9d\u8d56\u8ffd\u8e2a<\/td>\n<td>\u51cf\u5c11 computed \u5d4c\u5957&#xff0c;\u7528\u666e\u901a\u51fd\u6570<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u6027\u80fd\u8c03\u4f18\u6700\u4f73\u5b9e\u8df5&#xff1a;<\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">{<\/span> shallowReactive<span class=\"token punctuation\">,<\/span> markRaw <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;vue&#039;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ 1. \u5927\u578b\u5bf9\u8c61\u7528 shallowReactive<\/span><br \/>\n<span class=\"token keyword\">const<\/span> bigList <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">shallowReactive<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span> <span class=\"token literal-property property\">items<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token comment\">\/\/ \u53ea\u6709 bigList.items \u7684\u5f15\u7528\u53d8\u5316\u624d\u89e6\u53d1\u66f4\u65b0&#xff0c;\u6df1\u5c42\u5c5e\u6027\u4e0d\u8ffd\u8e2a<\/span><\/p>\n<p><span class=\"token comment\">\/\/ 2. \u7b2c\u4e09\u65b9\u5bf9\u8c61\u7528 markRaw<\/span><br \/>\n<span class=\"token keyword\">import<\/span> Map <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;mapbox-gl&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">const<\/span> map <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">markRaw<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Map<\/span><span class=\"token punctuation\">(<\/span>container<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token comment\">\/\/ map \u4e0d\u4f1a\u88ab Proxy \u4ee3\u7406&#xff0c;\u6027\u80fd\u66f4\u597d<\/span><\/p>\n<p><span class=\"token comment\">\/\/ 3. \u9891\u7e41\u66f4\u65b0\u7684\u6570\u636e\u7528 shallowRef<\/span><br \/>\n<span class=\"token keyword\">const<\/span> data <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">shallowRef<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">null<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token comment\">\/\/ \u624b\u52a8\u89e6\u53d1\u66f4\u65b0<\/span><br \/>\ndata<span class=\"token punctuation\">.<\/span>value <span class=\"token operator\">&#061;<\/span> newData<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u53ea\u6709\u5f15\u7528\u53d8\u5316\u624d\u89e6\u53d1<\/span><\/p>\n<p>\u4ec0\u4e48\u65f6\u5019\u9700\u8981\u8c03\u4f18&#xff1a;<\/p>\n<ul>\n<li>\u6e32\u67d3\u6027\u80fd profiling \u663e\u793a\u54cd\u5e94\u5f0f\u7cfb\u7edf\u662f\u74f6\u9888&#xff1b;<\/li>\n<li>\u6709\u5927\u578b\u6570\u636e\u5bf9\u8c61&#xff08;&gt; 1000 \u4e2a\u5c5e\u6027&#xff09;&#xff1b;<\/li>\n<li>\u6709\u9891\u7e41\u66f4\u65b0\u7684\u52a8\u753b\/\u5b9e\u65f6\u6570\u636e\u3002<\/li>\n<\/ul>\n<h4>3.7 \u54cd\u5e94\u5f0f\u7cfb\u7edf\u7684\u5185\u90e8\u5b9e\u73b0<\/h4>\n<p>Vue3 \u7684\u54cd\u5e94\u5f0f\u7cfb\u7edf\u57fa\u4e8e\u4e09\u4e2a\u6838\u5fc3\u7c7b&#xff1a;<\/p>\n<table>\n<tr>\u7c7b\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>ReactiveEffect<\/td>\n<td>\u54cd\u5e94\u5f0f\u526f\u4f5c\u7528&#xff08;\u7ec4\u4ef6\u6e32\u67d3\u3001watch\u3001computed&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>Dep<\/td>\n<td>\u4f9d\u8d56\u6536\u96c6\u5668&#xff08;\u8bb0\u5f55\u54ea\u4e9b effect \u4f9d\u8d56\u4e86\u8fd9\u4e2a key&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>RefImpl<\/td>\n<td>ref \u7684\u5b9e\u73b0\u7c7b<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u4f9d\u8d56\u6536\u96c6\u6d41\u7a0b&#xff1a;<\/p>\n<li>\u7ec4\u4ef6\u6e32\u67d3\u65f6&#xff0c;\u521b\u5efa\u4e00\u4e2a ReactiveEffect&#xff1b;<\/li>\n<li>\u8bfb\u53d6\u54cd\u5e94\u5f0f\u6570\u636e\u65f6&#xff0c;get \u89e6\u53d1 track&#xff1b;<\/li>\n<li>track \u628a\u5f53\u524d effect \u8bb0\u5f55\u5230 Dep \u91cc&#xff1b;<\/li>\n<li>\u6570\u636e\u53d8\u5316\u65f6&#xff0c;set \u89e6\u53d1 trigger&#xff1b;<\/li>\n<li>trigger \u6267\u884c\u6240\u6709\u4f9d\u8d56\u8fd9\u4e2a key \u7684 effect&#xff1b;<\/li>\n<li>effect \u91cd\u65b0\u6267\u884c&#xff0c;\u89e6\u53d1\u7ec4\u4ef6\u91cd\u65b0\u6e32\u67d3\u3002<\/li>\n<p>\u4e0e Vue2 \u7684\u672c\u8d28\u533a\u522b&#xff1a;<\/p>\n<ul>\n<li>Vue2&#xff1a;\u6bcf\u4e2a\u5c5e\u6027\u4e00\u4e2a dep.id&#xff0c;\u521d\u59cb\u5316\u65f6\u9012\u5f52\u904d\u5386\u6240\u6709\u5c5e\u6027&#xff1b;<\/li>\n<li>Vue3&#xff1a;\u6bcf\u4e2a\u5bf9\u8c61\u7684\u6bcf\u4e2a key \u4e00\u4e2a Dep&#xff0c;\u61d2\u6536\u96c6\u2014\u2014\u53ea\u6709\u88ab\u8bbf\u95ee\u7684 key \u624d\u4f1a\u88ab\u8ffd\u8e2a\u3002<\/li>\n<\/ul>\n<h4>3.8 \u54cd\u5e94\u5f0f\u7cfb\u7edf\u7684\u5e38\u89c1\u95ee\u9898<\/h4>\n<table>\n<tr>#\u95ee\u9898\u539f\u56e0\u89e3\u51b3\u65b9\u6848<\/tr>\n<tbody>\n<tr>\n<td>1<\/td>\n<td>\u6570\u636e\u53d8\u4e86\u89c6\u56fe\u6ca1\u66f4\u65b0<\/td>\n<td>\u89e3\u6784 reactive \u4e22\u5931\u54cd\u5e94\u5f0f<\/td>\n<td>\u7528 toRefs<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>\u65b0\u589e\u5c5e\u6027\u4e0d\u54cd\u5e94<\/td>\n<td>Vue2 \u7684\u95ee\u9898&#xff0c;Vue3 \u5df2\u89e3\u51b3<\/td>\n<td>Vue3 \u539f\u751f\u652f\u6301<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>\u6df1\u5c42\u5bf9\u8c61\u6027\u80fd\u5dee<\/td>\n<td>\u6df1\u5c42 Proxy \u9012\u5f52\u4ee3\u7406<\/td>\n<td>\u7528 shallowReactive<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>\u6570\u7ec4\u7d22\u5f15\u4e0d\u54cd\u5e94<\/td>\n<td>Vue2 \u7684\u95ee\u9898&#xff0c;Vue3 \u5df2\u89e3\u51b3<\/td>\n<td>Vue3 \u539f\u751f\u652f\u6301<\/td>\n<\/tr>\n<tr>\n<td>5<\/td>\n<td>ref \u548c reactive \u6df7\u7528<\/td>\n<td>\u7c7b\u578b\u4e0d\u6e05\u6670<\/td>\n<td>\u7edf\u4e00\u7528 ref \u6216 reactive<\/td>\n<\/tr>\n<tr>\n<td>6<\/td>\n<td>\u76d1\u542c props \u4e0d\u54cd\u5e94<\/td>\n<td>props \u662f\u53ea\u8bfb\u7684<\/td>\n<td>\u7528 watch(() &#061;&gt; props.xxx)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u8c03\u8bd5\u6280\u5de7&#xff1a;<\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">{<\/span> isRef<span class=\"token punctuation\">,<\/span> isReactive<span class=\"token punctuation\">,<\/span> toRaw <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;vue&#039;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u68c0\u67e5\u662f\u4e0d\u662f ref<\/span><br \/>\nconsole<span class=\"token punctuation\">.<\/span><span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">isRef<\/span><span class=\"token punctuation\">(<\/span>count<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ true<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u68c0\u67e5\u662f\u4e0d\u662f reactive<\/span><br \/>\nconsole<span class=\"token punctuation\">.<\/span><span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">isReactive<\/span><span class=\"token punctuation\">(<\/span>state<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ true<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u83b7\u53d6\u539f\u59cb\u5bf9\u8c61&#xff08;\u8df3\u8fc7 Proxy&#xff09;<\/span><br \/>\n<span class=\"token keyword\">const<\/span> rawState <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">toRaw<\/span><span class=\"token punctuation\">(<\/span>state<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h4>3.9 Vue 3.5 \u7684\u54cd\u5e94\u5f0f\u6539\u8fdb<\/h4>\n<p>Vue 3.5 \u5bf9\u54cd\u5e94\u5f0f\u7cfb\u7edf\u505a\u4e86\u91cd\u5927\u6539\u8fdb&#xff1a;<\/p>\n<table>\n<tr>\u6539\u8fdb\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>\u7ed3\u6784\u91cd\u8bbe\u8ba1<\/td>\n<td>\u7528\u7248\u672c\u8ba1\u6570\u548c\u53cc\u5411\u94fe\u8868\u91cd\u6784\u54cd\u5e94\u5f0f\u7cfb\u7edf<\/td>\n<\/tr>\n<tr>\n<td>\u6570\u7ec4\u8ffd\u8e2a\u4f18\u5316<\/td>\n<td>\u4f18\u5316\u6570\u7ec4\u7684\u4f9d\u8d56\u6536\u96c6\u548c\u89e6\u53d1<\/td>\n<\/tr>\n<tr>\n<td>onEffectCleanup<\/td>\n<td>\u65b0 API&#xff0c;\u7528\u4e8e\u526f\u4f5c\u7528\u6e05\u7406<\/td>\n<\/tr>\n<tr>\n<td>watch \u6682\u505c\/\u6062\u590d<\/td>\n<td>\u65b0\u529f\u80fd&#xff0c;\u53ef\u4ee5\u6682\u505c\u548c\u6062\u590d watch<\/td>\n<\/tr>\n<tr>\n<td>SSR \u6539\u8fdb<\/td>\n<td>\u670d\u52a1\u7aef\u6e32\u67d3\u7684\u54cd\u5e94\u5f0f\u6027\u80fd\u4f18\u5316<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>onEffectCleanup \u793a\u4f8b&#xff1a;<\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">{<\/span> watchEffect<span class=\"token punctuation\">,<\/span> onEffectCleanup <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;vue&#039;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token function\">watchEffect<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token parameter\">onCleanup<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> controller <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">AbortController<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token function\">fetch<\/span><span class=\"token punctuation\">(<\/span>url<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token literal-property property\">signal<\/span><span class=\"token operator\">:<\/span> controller<span class=\"token punctuation\">.<\/span>signal <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">.<\/span><span class=\"token function\">then<\/span><span class=\"token punctuation\">(<\/span><span class=\"token parameter\">res<\/span> <span class=\"token operator\">&#061;&gt;<\/span> res<span class=\"token punctuation\">.<\/span><span class=\"token function\">json<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">.<\/span><span class=\"token function\">then<\/span><span class=\"token punctuation\">(<\/span><span class=\"token parameter\">data<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token comment\">\/* &#8230; *\/<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token comment\">\/\/ \u6e05\u7406&#xff1a;\u4e0b\u6b21\u91cd\u65b0\u6267\u884c\u524d\u8c03\u7528<\/span><br \/>\n  <span class=\"token function\">onCleanup<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    controller<span class=\"token punctuation\">.<\/span><span class=\"token function\">abort<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u53d6\u6d88\u4e0a\u4e00\u6b21\u8bf7\u6c42<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<hr \/>\n<h3>4. Composition API \u8be6\u89e3<\/h3>\n<h4>4.1 \u4ec0\u4e48\u662f Composition API<\/h4>\n<p>Composition API \u662f Vue3 \u7684\u6838\u5fc3\u65b0\u7279\u6027\u2014\u2014\u5b83\u89e3\u51b3\u4e86 Options API \u5728\u5927\u578b\u5e94\u7528\u4e2d\u7684\u4ee3\u7801\u7ec4\u7ec7\u95ee\u9898&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061; Vue2 \u7684 Options API &#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n<span class=\"token comment\">\/\/ \u540c\u4e00\u4e2a\u529f\u80fd\u7684\u4ee3\u7801\u6563\u843d\u5728 data\u3001methods\u3001computed\u3001watch \u91cc<\/span><br \/>\n<span class=\"token keyword\">export<\/span> <span class=\"token keyword\">default<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token function\">data<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token literal-property property\">count<\/span><span class=\"token operator\">:<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token literal-property property\">user<\/span><span class=\"token operator\">:<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token literal-property property\">loading<\/span><span class=\"token operator\">:<\/span> <span class=\"token boolean\">false<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  <span class=\"token literal-property property\">methods<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">increment<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>count<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token keyword\">async<\/span> <span class=\"token function\">fetchUser<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token comment\">\/* &#8230; *\/<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  <span class=\"token literal-property property\">computed<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">doubleCount<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>count <span class=\"token operator\">*<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  <span class=\"token literal-property property\">watch<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">count<\/span><span class=\"token punctuation\">(<\/span><span class=\"token parameter\">newVal<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token comment\">\/* &#8230; *\/<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token comment\">\/\/ \u95ee\u9898&#xff1a;\u540c\u4e00\u529f\u80fd\u7684\u4ee3\u7801\u6563\u843d\u5728\u56db\u4e2a\u5730\u65b9&#xff0c;\u5927\u578b\u7ec4\u4ef6\u96be\u4ee5\u7ef4\u62a4<\/span><\/p>\n<p><span class=\"token comment\">\/\/ &#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061; Vue3 \u7684 Composition API &#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n<span class=\"token comment\">\/\/ \u540c\u4e00\u529f\u80fd\u7684\u4ee3\u7801\u96c6\u4e2d\u5728\u4e00\u8d77&#xff0c;\u4e14\u53ef\u4ee5\u63d0\u53d6\u4e3a\u72ec\u7acb\u51fd\u6570<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">{<\/span> ref<span class=\"token punctuation\">,<\/span> computed<span class=\"token punctuation\">,<\/span> watch <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;vue&#039;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">function<\/span> <span class=\"token function\">useCounter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> count <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">ref<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> doubleCount <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">computed<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> count<span class=\"token punctuation\">.<\/span>value <span class=\"token operator\">*<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">function<\/span> <span class=\"token function\">increment<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span> count<span class=\"token punctuation\">.<\/span>value<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token function\">watch<\/span><span class=\"token punctuation\">(<\/span>count<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token parameter\">newVal<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token comment\">\/* &#8230; *\/<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">{<\/span> count<span class=\"token punctuation\">,<\/span> doubleCount<span class=\"token punctuation\">,<\/span> increment <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">function<\/span> <span class=\"token function\">useUser<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> user <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">ref<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">null<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> loading <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">ref<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">false<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">async<\/span> <span class=\"token keyword\">function<\/span> <span class=\"token function\">fetchUser<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token comment\">\/* &#8230; *\/<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">{<\/span> user<span class=\"token punctuation\">,<\/span> loading<span class=\"token punctuation\">,<\/span> fetchUser <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">export<\/span> <span class=\"token keyword\">default<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token function\">setup<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u540c\u4e00\u529f\u80fd\u7684\u4ee3\u7801\u96c6\u4e2d\u4f7f\u7528<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> <span class=\"token punctuation\">{<\/span> count<span class=\"token punctuation\">,<\/span> doubleCount<span class=\"token punctuation\">,<\/span> increment <span class=\"token punctuation\">}<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">useCounter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> <span class=\"token punctuation\">{<\/span> user<span class=\"token punctuation\">,<\/span> loading<span class=\"token punctuation\">,<\/span> fetchUser <span class=\"token punctuation\">}<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">useUser<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">{<\/span> count<span class=\"token punctuation\">,<\/span> doubleCount<span class=\"token punctuation\">,<\/span> increment<span class=\"token punctuation\">,<\/span> user<span class=\"token punctuation\">,<\/span> loading<span class=\"token punctuation\">,<\/span> fetchUser <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h4>4.2 Composition API \u7684\u6838\u5fc3\u4f18\u52bf<\/h4>\n<table>\n<tr>\u4f18\u52bf\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>\u4ee3\u7801\u7ec4\u7ec7<\/td>\n<td>\u540c\u4e00\u529f\u80fd\u7684\u4ee3\u7801\u96c6\u4e2d\u5728\u4e00\u8d77&#xff0c;\u4e0d\u518d\u6563\u843d\u5728\u56db\u4e2a\u9009\u9879\u91cc<\/td>\n<\/tr>\n<tr>\n<td>\u903b\u8f91\u590d\u7528<\/td>\n<td>\u63d0\u53d6\u4e3a\u72ec\u7acb\u7684 composable \u51fd\u6570&#xff0c;\u8de8\u7ec4\u4ef6\u590d\u7528<\/td>\n<\/tr>\n<tr>\n<td>TypeScript<\/td>\n<td>\u5929\u7136\u652f\u6301\u7c7b\u578b\u63a8\u5bfc&#xff0c;\u6bd4 Options API \u66f4\u597d<\/td>\n<\/tr>\n<tr>\n<td>Tree-shaking<\/td>\n<td>\u672a\u4f7f\u7528\u7684 API \u53ef\u4ee5\u88ab\u6253\u5305\u5de5\u5177\u79fb\u9664<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>4.3 \u5e38\u7528\u7684 Composition API<\/h4>\n<table>\n<tr>API\u7528\u9014<\/tr>\n<tbody>\n<tr>\n<td>ref<\/td>\n<td>\u57fa\u672c\u7c7b\u578b\u54cd\u5e94\u5f0f<\/td>\n<\/tr>\n<tr>\n<td>reactive<\/td>\n<td>\u5bf9\u8c61\u7c7b\u578b\u54cd\u5e94\u5f0f<\/td>\n<\/tr>\n<tr>\n<td>computed<\/td>\n<td>\u8ba1\u7b97\u5c5e\u6027<\/td>\n<\/tr>\n<tr>\n<td>watch<\/td>\n<td>\u4fa6\u542c\u5668<\/td>\n<\/tr>\n<tr>\n<td>watchEffect<\/td>\n<td>\u7acb\u5373\u6267\u884c\u7684\u4fa6\u542c\u5668<\/td>\n<\/tr>\n<tr>\n<td>onMounted\/onUnmounted<\/td>\n<td>\u751f\u547d\u5468\u671f\u94a9\u5b50<\/td>\n<\/tr>\n<tr>\n<td>provide\/inject<\/td>\n<td>\u4f9d\u8d56\u6ce8\u5165<\/td>\n<\/tr>\n<tr>\n<td>defineProps\/defineEmits<\/td>\n<td>\u7ec4\u4ef6\u901a\u4fe1&#xff08;&lt;script setup&gt; \u4e2d&#xff09;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>4.4 Composition API \u5b9e\u6218\u793a\u4f8b&#xff1a;\u5012\u8ba1\u65f6<\/h4>\n<p><span class=\"token comment\">\/\/ composables\/useCountdown.js<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">{<\/span> ref<span class=\"token punctuation\">,<\/span> onMounted<span class=\"token punctuation\">,<\/span> onUnmounted <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;vue&#039;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">export<\/span> <span class=\"token keyword\">function<\/span> <span class=\"token function\">useCountdown<\/span><span class=\"token punctuation\">(<\/span><span class=\"token parameter\">initialSeconds <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">60<\/span><\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> seconds <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">ref<\/span><span class=\"token punctuation\">(<\/span>initialSeconds<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> isRunning <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">ref<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">false<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">let<\/span> timer <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token keyword\">function<\/span> <span class=\"token function\">start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    isRunning<span class=\"token punctuation\">.<\/span>value <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    timer <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">setInterval<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>seconds<span class=\"token punctuation\">.<\/span>value <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        seconds<span class=\"token punctuation\">.<\/span>value<span class=\"token operator\">&#8212;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">stop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1000<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token keyword\">function<\/span> <span class=\"token function\">stop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    isRunning<span class=\"token punctuation\">.<\/span>value <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>timer<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token function\">clearInterval<\/span><span class=\"token punctuation\">(<\/span>timer<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      timer <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token keyword\">function<\/span> <span class=\"token function\">reset<\/span><span class=\"token punctuation\">(<\/span><span class=\"token parameter\">newSeconds <span class=\"token operator\">&#061;<\/span> initialSeconds<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">stop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    seconds<span class=\"token punctuation\">.<\/span>value <span class=\"token operator\">&#061;<\/span> newSeconds<span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token function\">onMounted<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u7ec4\u4ef6\u6302\u8f7d\u65f6\u81ea\u52a8\u5f00\u59cb<\/span><br \/>\n    <span class=\"token function\">start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token function\">onUnmounted<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u7ec4\u4ef6\u5378\u8f7d\u65f6\u6e05\u7406\u5b9a\u65f6\u5668<\/span><br \/>\n    <span class=\"token function\">stop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    seconds<span class=\"token punctuation\">,<\/span><br \/>\n    isRunning<span class=\"token punctuation\">,<\/span><br \/>\n    start<span class=\"token punctuation\">,<\/span><br \/>\n    stop<span class=\"token punctuation\">,<\/span><br \/>\n    reset<br \/>\n  <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u5728\u7ec4\u4ef6\u4e2d\u4f7f\u7528&#xff1a;<\/p>\n<p>&lt;script setup&gt;<br \/>\nimport { useCountdown } from &#039;&#064;\/composables\/useCountdown&#039;;<\/p>\n<p>const { seconds, isRunning, reset } &#061; useCountdown(30);<br \/>\n&lt;\/script&gt;<\/p>\n<p>&lt;template&gt;<br \/>\n  &lt;div&gt;<br \/>\n    &lt;p&gt;{{ seconds }} \u79d2&lt;\/p&gt;<br \/>\n    &lt;button &#064;click&#061;&#034;reset(30)&#034; :disabled&#061;&#034;isRunning&#034;&gt;\u91cd\u7f6e&lt;\/button&gt;<br \/>\n  &lt;\/div&gt;<br \/>\n&lt;\/template&gt;<\/p>\n<h4>4.5 composable \u63d0\u53d6\u5b9e\u8df5<\/h4>\n<p>\u4ec0\u4e48\u65f6\u5019\u63d0\u53d6 composable&#xff1a;<\/p>\n<table>\n<tr>\u573a\u666f\u662f\u5426\u63d0\u53d6<\/tr>\n<tbody>\n<tr>\n<td>\u540c\u4e00\u7ec4\u4ef6\u5185\u590d\u7528<\/td>\n<td>\u4e0d\u9700\u8981&#xff0c;\u51fd\u6570\u5373\u53ef<\/td>\n<\/tr>\n<tr>\n<td>\u8de8\u7ec4\u4ef6\u590d\u7528<\/td>\n<td>\u2705 \u63d0\u53d6\u4e3a composable<\/td>\n<\/tr>\n<tr>\n<td>\u6709\u72ec\u7acb\u72b6\u6001\u903b\u8f91<\/td>\n<td>\u2705 \u63d0\u53d6\u4e3a composable<\/td>\n<\/tr>\n<tr>\n<td>\u4e0e UI \u5f3a\u8026\u5408<\/td>\n<td>\u4e0d\u63d0\u53d6&#xff0c;\u4fdd\u6301\u7ec4\u4ef6\u5185<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>composable \u7684\u547d\u540d\u89c4\u8303&#xff1a;<\/p>\n<ul>\n<li>\u4ee5 use \u5f00\u5934&#xff08;useUser\u3001useCart\u3001useCountdown&#xff09;&#xff1b;<\/li>\n<li>\u51fd\u6570\u5f0f&#xff0c;\u63a5\u6536\u53c2\u6570&#xff0c;\u8fd4\u56de\u72b6\u6001\u548c\u65b9\u6cd5&#xff1b;<\/li>\n<li>\u4e0d\u8fd4\u56de UI&#xff0c;\u53ea\u8fd4\u56de\u903b\u8f91\u3002<\/li>\n<\/ul>\n<h4>4.6 Composition API vs Options API \u9009\u578b<\/h4>\n<table>\n<tr>\u573a\u666f\u63a8\u8350\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>\u65b0\u9879\u76ee<\/td>\n<td>Composition API &#043; &lt;script setup&gt;<\/td>\n<td>\u5b98\u65b9\u63a8\u8350&#xff0c;\u957f\u671f\u65b9\u5411<\/td>\n<\/tr>\n<tr>\n<td>\u5c0f\u578b\u7ec4\u4ef6<\/td>\n<td>Options API \u4e5f\u53ef\u4ee5<\/td>\n<td>\u7b80\u5355\u7ec4\u4ef6\u5dee\u5f02\u4e0d\u5927<\/td>\n<\/tr>\n<tr>\n<td>\u5927\u578b\u7ec4\u4ef6<\/td>\n<td>Composition API<\/td>\n<td>\u4ee3\u7801\u7ec4\u7ec7\u4f18\u52bf\u660e\u663e<\/td>\n<\/tr>\n<tr>\n<td>\u9700\u8981\u8de8\u7ec4\u4ef6\u590d\u7528<\/td>\n<td>Composition API<\/td>\n<td>composable \u51fd\u6570\u590d\u7528<\/td>\n<\/tr>\n<tr>\n<td>\u56e2\u961f\u719f\u6089 Vue2<\/td>\n<td>\u6e10\u8fdb\u8fc1\u79fb<\/td>\n<td>\u5148 Options API \u8dd1\u901a&#xff0c;\u518d\u9010\u6b65\u8fc1\u79fb<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u6838\u5fc3\u7ed3\u8bba&#xff1a;Composition API \u662f Vue3 \u7684\u957f\u671f\u65b9\u5411\u2014\u2014\u65b0\u9879\u76ee\u76f4\u63a5\u7528&#xff0c;\u8001\u9879\u76ee\u6309\u8282\u594f\u8fc1\u79fb\u3002<\/p>\n<h4>4.7 Composition API \u7684\u6027\u80fd\u8003\u8651<\/h4>\n<table>\n<tr>\u8003\u8651\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>setup \u6267\u884c\u65f6\u673a<\/td>\n<td>setup \u5728\u7ec4\u4ef6\u521b\u5efa\u65f6\u6267\u884c\u4e00\u6b21&#xff0c;\u4e0d\u8981\u5728\u91cc\u9762\u505a\u91cd\u8ba1\u7b97<\/td>\n<\/tr>\n<tr>\n<td>computed \u7f13\u5b58<\/td>\n<td>computed \u6709\u7f13\u5b58&#xff0c;\u4f9d\u8d56\u4e0d\u53d8\u4e0d\u91cd\u65b0\u8ba1\u7b97<\/td>\n<\/tr>\n<tr>\n<td>watch \u6e05\u7406<\/td>\n<td>watch \u8981\u5728 onUnmounted \u91cc\u6e05\u7406&#xff0c;\u907f\u514d\u5185\u5b58\u6cc4\u6f0f<\/td>\n<\/tr>\n<tr>\n<td>effect \u6e05\u7406<\/td>\n<td>Vue 3.5 \u7684 onEffectCleanup \u7528\u4e8e\u526f\u4f5c\u7528\u6e05\u7406<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u6027\u80fd\u6700\u4f73\u5b9e\u8df5&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ 1. \u91cd\u8ba1\u7b97\u7528 computed<\/span><br \/>\n<span class=\"token keyword\">const<\/span> heavyComputed <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">computed<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token comment\">\/\/ \u91cd\u8ba1\u7b97\u53ea\u6267\u884c\u4e00\u6b21&#xff0c;\u7f13\u5b58\u7ed3\u679c<\/span><br \/>\n  <span class=\"token keyword\">return<\/span> <span class=\"token function\">expensiveCalculation<\/span><span class=\"token punctuation\">(<\/span>props<span class=\"token punctuation\">.<\/span>data<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ 2. watch \u8981\u6e05\u7406<\/span><br \/>\n<span class=\"token function\">watch<\/span><span class=\"token punctuation\">(<\/span>source<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token parameter\">newVal<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> timer <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">setInterval<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ &#8230;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1000<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token function\">onUnmounted<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">clearInterval<\/span><span class=\"token punctuation\">(<\/span>timer<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u6e05\u7406\u5b9a\u65f6\u5668<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ 3. \u4e0d\u8981\u5728 setup \u91cc\u505a\u5f02\u6b65\u64cd\u4f5c<\/span><br \/>\n<span class=\"token comment\">\/\/ \u7528 onMounted \u6216\u9876\u7ea7 await<\/span><\/p>\n<h4>4.8 Composition API \u7684\u6700\u4f73\u5b9e\u8df5<\/h4>\n<table>\n<tr>#\u5b9e\u8df5\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>1<\/td>\n<td>\u6309\u529f\u80fd\u7ec4\u7ec7\u4ee3\u7801<\/td>\n<td>\u540c\u4e00\u529f\u80fd\u7684\u4ee3\u7801\u96c6\u4e2d\u5728\u4e00\u8d77<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>\u63d0\u53d6 composable<\/td>\n<td>\u8de8\u7ec4\u4ef6\u590d\u7528\u7684\u903b\u8f91\u63d0\u53d6\u4e3a composable<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>\u4f7f\u7528 TypeScript<\/td>\n<td>\u7c7b\u578b\u63a8\u5bfc\u66f4\u81ea\u7136<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>\u907f\u514d\u8fc7\u5ea6\u62bd\u8c61<\/td>\n<td>\u4e0d\u8981\u4e3a\u4e86\u63d0\u53d6\u800c\u63d0\u53d6<\/td>\n<\/tr>\n<tr>\n<td>5<\/td>\n<td>\u547d\u540d\u89c4\u8303<\/td>\n<td>composable \u4ee5 use \u5f00\u5934<\/td>\n<\/tr>\n<tr>\n<td>6<\/td>\n<td>\u5355\u4e00\u804c\u8d23<\/td>\n<td>\u6bcf\u4e2a composable \u53ea\u505a\u4e00\u4ef6\u4e8b<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u6700\u4f73\u5b9e\u8df5\u793a\u4f8b&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u597d\u7684 composable&#xff1a;\u5355\u4e00\u804c\u8d23<\/span><br \/>\n<span class=\"token keyword\">function<\/span> <span class=\"token function\">useUser<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> user <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">ref<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">null<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> loading <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">ref<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">false<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token keyword\">async<\/span> <span class=\"token keyword\">function<\/span> <span class=\"token function\">fetchUser<\/span><span class=\"token punctuation\">(<\/span><span class=\"token parameter\">id<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ &#8230;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">{<\/span> user<span class=\"token punctuation\">,<\/span> loading<span class=\"token punctuation\">,<\/span> fetchUser <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u4e0d\u597d\u7684 composable&#xff1a;\u505a\u4e86\u592a\u591a\u4e8b<\/span><br \/>\n<span class=\"token keyword\">function<\/span> <span class=\"token function\">useEverything<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token comment\">\/\/ \u7528\u6237\u3001\u8d2d\u7269\u8f66\u3001\u8bbe\u7f6e\u3001\u4e3b\u9898&#8230; \u90fd\u653e\u4e00\u8d77<\/span><br \/>\n  <span class=\"token comment\">\/\/ \u8fdd\u53cd\u5355\u4e00\u804c\u8d23<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>4.9 Composition API \u4e0e React Hooks \u5bf9\u6bd4<\/h4>\n<table>\n<tr>\u7ef4\u5ea6Vue3 Composition APIReact Hooks<\/tr>\n<tbody>\n<tr>\n<td>\u54cd\u5e94\u5f0f<\/td>\n<td>\u81ea\u52a8\u8ffd\u8e2a&#xff08;Proxy&#xff09;<\/td>\n<td>\u624b\u52a8\u8ffd\u8e2a&#xff08;useEffect \u4f9d\u8d56\u6570\u7ec4&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u4f9d\u8d56\u6570\u7ec4<\/td>\n<td>\u4e0d\u9700\u8981<\/td>\n<td>\u9700\u8981\u624b\u52a8\u5199<\/td>\n<\/tr>\n<tr>\n<td>\u95ed\u5305\u95ee\u9898<\/td>\n<td>\u6ca1\u6709&#xff08;Proxy \u81ea\u52a8\u8ffd\u8e2a&#xff09;<\/td>\n<td>\u6709&#xff08;\u65e7\u503c\u95ed\u5305&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u751f\u547d\u5468\u671f<\/td>\n<td>onMounted\/onUnmounted<\/td>\n<td>useEffect\/useLayoutEffect<\/td>\n<\/tr>\n<tr>\n<td>\u4ee3\u7801\u590d\u7528<\/td>\n<td>composable \u51fd\u6570<\/td>\n<td>\u81ea\u5b9a\u4e49 Hook<\/td>\n<\/tr>\n<tr>\n<td>\u5b66\u4e60\u66f2\u7ebf<\/td>\n<td>\u5e73\u7f13<\/td>\n<td>\u9661\u5ced<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u6838\u5fc3\u533a\u522b&#xff1a;Vue3 \u7684\u54cd\u5e94\u5f0f\u662f\u81ea\u52a8\u7684&#xff0c;React Hooks \u7684\u4f9d\u8d56\u662f\u624b\u52a8\u7684\u2014\u2014\u8fd9\u662f\u4e24\u8005\u6700\u5927\u7684\u533a\u522b&#xff0c;\u4e5f\u662f Vue3 \u5f00\u53d1\u4f53\u9a8c\u66f4\u597d\u7684\u6839\u672c\u539f\u56e0\u3002<\/p>\n<hr \/>\n<h3>5. &lt;script setup&gt; \u8bed\u6cd5\u7cd6<\/h3>\n<h4>5.1 \u4ec0\u4e48\u662f &lt;script setup&gt;<\/h4>\n<p>&lt;script setup&gt; \u662f Vue3 \u7684\u7f16\u8bd1\u65f6\u8bed\u6cd5\u7cd6\u2014\u2014\u5b83\u8ba9 Composition API \u66f4\u7b80\u6d01&#xff1a;<\/p>\n<p>&lt;!&#8211; \u4f20\u7edf\u7684 Composition API &#8211;&gt;<br \/>\n&lt;script&gt;<br \/>\nimport { ref, computed } from &#039;vue&#039;;<\/p>\n<p>export default {<br \/>\n  setup() {<br \/>\n    const count &#061; ref(0);<br \/>\n    const doubleCount &#061; computed(() &#061;&gt; count.value * 2);<br \/>\n    function increment() { count.value&#043;&#043;; }<br \/>\n    return { count, doubleCount, increment };<br \/>\n  }<br \/>\n};<br \/>\n&lt;\/script&gt;<\/p>\n<p>&lt;!&#8211; &lt;script setup&gt; \u8bed\u6cd5\u7cd6 &#8211;&gt;<br \/>\n&lt;script setup&gt;<br \/>\nimport { ref, computed } from &#039;vue&#039;;<\/p>\n<p>const count &#061; ref(0);<br \/>\nconst doubleCount &#061; computed(() &#061;&gt; count.value * 2);<br \/>\nfunction increment() { count.value&#043;&#043;; }<br \/>\n\/\/ \u65e0\u9700 return&#xff0c;\u9876\u5c42\u53d8\u91cf\u81ea\u52a8\u66b4\u9732\u7ed9\u6a21\u677f<br \/>\n&lt;\/script&gt;<\/p>\n<h4>5.2 &lt;script setup&gt; \u7684\u4f18\u52bf<\/h4>\n<table>\n<tr>\u4f18\u52bf\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>\u66f4\u5c11\u6837\u677f<\/td>\n<td>\u65e0\u9700 export default \u548c setup()<\/td>\n<\/tr>\n<tr>\n<td>\u81ea\u52a8\u66b4\u9732<\/td>\n<td>\u9876\u5c42\u53d8\u91cf\u81ea\u52a8\u66b4\u9732\u7ed9\u6a21\u677f&#xff0c;\u65e0\u9700 return<\/td>\n<\/tr>\n<tr>\n<td>\u66f4\u597d TS<\/td>\n<td>\u7eaf TypeScript \u58f0\u660e props \u548c emits<\/td>\n<\/tr>\n<tr>\n<td>\u66f4\u597d IDE<\/td>\n<td>\u7c7b\u578b\u63a8\u5bfc\u66f4\u5feb&#xff0c;\u66f4\u5c11 LSP \u5de5\u4f5c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>5.3 Vue 3.5 \u7684\u65b0\u7279\u6027&#xff1a;Reactive Props Destructure<\/h4>\n<p>Vue 3.5 \u65b0\u589e\u4e86\u54cd\u5e94\u5f0f props \u89e3\u6784\u2014\u2014\u89e3\u6784 props \u540e\u4ecd\u4fdd\u6301\u54cd\u5e94\u5f0f&#xff1a;<\/p>\n<p>&lt;script setup&gt;<br \/>\n\/\/ Vue 3.5&#043;&#xff1a;\u89e3\u6784\u540e\u4ecd\u4fdd\u6301\u54cd\u5e94\u5f0f<br \/>\nconst { name, age } &#061; defineProps({<br \/>\n  name: String,<br \/>\n  age: Number<br \/>\n});<\/p>\n<p>\/\/ \u4e0d\u9700\u8981 .value&#xff0c;\u4e14 name \u548c age \u4ecd\u662f\u54cd\u5e94\u5f0f\u7684<br \/>\nconsole.log(name);<br \/>\n&lt;\/script&gt;<\/p>\n<p>\u8fd9\u662f Vue 3.5 \u7684\u91cd\u8981\u6539\u8fdb\u2014\u2014\u4ee5\u524d\u89e3\u6784 props \u4f1a\u4e22\u5931\u54cd\u5e94\u5f0f&#xff0c;\u73b0\u5728\u7f16\u8bd1\u5668\u81ea\u52a8\u5904\u7406\u3002<\/p>\n<h4>5.4 &lt;script setup&gt; \u8fdb\u9636\u7528\u6cd5<\/h4>\n<p>1. \u9876\u7ea7 await \u652f\u6301&#xff1a;<\/p>\n<p>&lt;script setup&gt;<br \/>\n\/\/ \u76f4\u63a5 await&#xff0c;\u7f16\u8bd1\u5668\u81ea\u52a8\u5904\u7406 Suspense<br \/>\nconst post &#061; await fetch(&#096;\/api\/post\/1&#096;).then(r &#061;&gt; r.json());<br \/>\n&lt;\/script&gt;<\/p>\n<p>2. \u81ea\u5b9a\u4e49\u6307\u4ee4&#xff1a;<\/p>\n<p>&lt;script setup&gt;<br \/>\nconst vFocus &#061; {<br \/>\n  mounted: (el) &#061;&gt; el.focus()<br \/>\n};<br \/>\n&lt;\/script&gt;<\/p>\n<p>&lt;template&gt;<br \/>\n  &lt;input v-focus \/&gt;<br \/>\n&lt;\/template&gt;<\/p>\n<p>3. \u547d\u540d\u7ec4\u4ef6&#xff1a;<\/p>\n<p>&lt;script setup&gt;<br \/>\n\/\/ \u4e0d\u9700\u8981\u989d\u5916\u5b9a\u4e49 name&#xff0c;\u6587\u4ef6\u540d\u5373\u7ec4\u4ef6\u540d<br \/>\n\/\/ \u5982\u679c\u9700\u8981&#xff0c;\u53ef\u4ee5\u7528 &lt;script&gt; \u5757\u8865\u5145<br \/>\n&lt;\/script&gt;<\/p>\n<p>&lt;script&gt;<br \/>\nexport default {<br \/>\n  name: &#039;MyComponent&#039;<br \/>\n};<br \/>\n&lt;\/script&gt;<\/p>\n<p>4. \u7c7b\u578b\u5316 props \u548c emits&#xff1a;<\/p>\n<p>&lt;script setup lang&#061;&#034;ts&#034;&gt;<br \/>\n\/\/ TypeScript \u7c7b\u578b\u58f0\u660e<br \/>\ninterface Props {<br \/>\n  name: string;<br \/>\n  age?: number;<br \/>\n}<\/p>\n<p>const props &#061; withDefaults(defineProps&lt;Props&gt;(), {<br \/>\n  age: 18<br \/>\n});<\/p>\n<p>const emit &#061; defineEmits&lt;{<br \/>\n  (e: &#039;update&#039;, value: string): void;<br \/>\n  (e: &#039;delete&#039;, id: number): void;<br \/>\n}&gt;();<br \/>\n&lt;\/script&gt;<\/p>\n<h4>5.5 &lt;script setup&gt; \u5e38\u89c1\u95ee\u9898<\/h4>\n<table>\n<tr>#\u95ee\u9898\u89e3\u51b3\u65b9\u6848<\/tr>\n<tbody>\n<tr>\n<td>1<\/td>\n<td>\u600e\u4e48\u5b9a\u4e49\u7ec4\u4ef6 name&#xff1f;<\/td>\n<td>\u6587\u4ef6\u540d\u5373 name&#xff0c;\u6216\u7528 &lt;script&gt; \u5757\u8865\u5145<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>\u600e\u4e48\u83b7\u53d6 DOM \u5f15\u7528&#xff1f;<\/td>\n<td>ref&#061;&#034;xxx&#034; &#043; const xxx &#061; ref(null)<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>\u600e\u4e48\u4f7f\u7528\u7b2c\u4e09\u65b9\u63d2\u4ef6&#xff1f;<\/td>\n<td>\u5728 main.js \u4e2d app.use(plugin)<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>\u600e\u4e48\u8bbf\u95ee\u5168\u5c40\u5c5e\u6027&#xff1f;<\/td>\n<td>getCurrentInstance().appContext.config.globalProperties<\/td>\n<\/tr>\n<tr>\n<td>5<\/td>\n<td>\u600e\u4e48\u5b9a\u4e49\u5f02\u6b65\u7ec4\u4ef6&#xff1f;<\/td>\n<td>defineAsyncComponent<\/td>\n<\/tr>\n<tr>\n<td>6<\/td>\n<td>\u600e\u4e48\u5904\u7406 v-model&#xff1f;<\/td>\n<td>defineModel()&#xff08;Vue 3.4&#043;&#xff09;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u6700\u4f73\u5b9e\u8df5&#xff1a;<\/p>\n<p>&lt;script setup&gt;<br \/>\nimport { ref, onMounted } from &#039;vue&#039;;<\/p>\n<p>\/\/ DOM \u5f15\u7528<br \/>\nconst inputRef &#061; ref(null);<\/p>\n<p>onMounted(() &#061;&gt; {<br \/>\n  inputRef.value.focus(); \/\/ \u7ec4\u4ef6\u6302\u8f7d\u540e\u805a\u7126<br \/>\n});<br \/>\n&lt;\/script&gt;<\/p>\n<p>&lt;template&gt;<br \/>\n  &lt;input ref&#061;&#034;inputRef&#034; \/&gt;<br \/>\n&lt;\/template&gt;<\/p>\n<h4>5.6 &lt;script setup&gt; \u4e0e Options API \u6df7\u7528<\/h4>\n<p>\u5728\u8fc1\u79fb\u8fc7\u7a0b\u4e2d&#xff0c;\u53ef\u80fd\u9700\u8981\u5728\u540c\u4e00\u4e2a\u7ec4\u4ef6\u91cc\u6df7\u7528 Options API \u548c Composition API&#xff1a;<\/p>\n<p>&lt;script&gt;<br \/>\n\/\/ \u4f20\u7edf Options API<br \/>\nexport default {<br \/>\n  name: &#039;MyComponent&#039;,<br \/>\n  data() {<br \/>\n    return { oldCount: 0 };<br \/>\n  }<br \/>\n};<br \/>\n&lt;\/script&gt;<\/p>\n<p>&lt;script setup&gt;<br \/>\n\/\/ Composition API<br \/>\nimport { ref } from &#039;vue&#039;;<\/p>\n<p>const newCount &#061; ref(0);<br \/>\n&lt;\/script&gt;<\/p>\n<p>\u6df7\u7528\u6ce8\u610f\u4e8b\u9879&#xff1a;<\/p>\n<ul>\n<li>setup() \u548c Options API \u7684 data\/methods \u662f\u9694\u79bb\u7684&#xff1b;<\/li>\n<li>\u5728 Options API \u91cc\u53ef\u4ee5\u8bbf\u95ee setup() \u8fd4\u56de\u7684\u53d8\u91cf&#xff08;\u901a\u8fc7 this&#xff09;&#xff1b;<\/li>\n<li>\u4e0d\u63a8\u8350\u957f\u671f\u6df7\u7528\u2014\u2014\u8fc1\u79fb\u5b8c\u6210\u540e\u5e94\u8be5\u5168\u91cf Composition API\u3002<\/li>\n<\/ul>\n<h4>5.7 &lt;script setup&gt; \u7684\u6700\u4f73\u5b9e\u8df5<\/h4>\n<table>\n<tr>#\u5b9e\u8df5\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>1<\/td>\n<td>\u4f7f\u7528 TypeScript<\/td>\n<td>\u7c7b\u578b\u63a8\u5bfc\u66f4\u81ea\u7136<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>\u9876\u5c42 await<\/td>\n<td>\u7528 Suspense \u5904\u7406\u52a0\u8f7d\u72b6\u6001<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>\u4e0d\u8981\u8fc7\u5ea6\u66b4\u9732<\/td>\n<td>\u7528 defineExpose \u63a7\u5236\u66b4\u9732\u7684\u5185\u5bb9<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>\u547d\u540d\u7ec4\u4ef6<\/td>\n<td>\u6587\u4ef6\u540d\u5373\u7ec4\u4ef6\u540d&#xff0c;\u6216\u7528 &lt;script&gt; \u5757\u8865\u5145<\/td>\n<\/tr>\n<tr>\n<td>5<\/td>\n<td>\u81ea\u5b9a\u4e49\u6307\u4ee4<\/td>\n<td>\u9876\u5c42\u53d8\u91cf\u81ea\u52a8\u6ce8\u518c\u4e3a\u81ea\u5b9a\u4e49\u6307\u4ee4<\/td>\n<\/tr>\n<tr>\n<td>6<\/td>\n<td>\u7c7b\u578b\u5316 props\/emits<\/td>\n<td>\u7528\u7eaf TypeScript \u58f0\u660e<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u6700\u4f73\u5b9e\u8df5\u793a\u4f8b&#xff1a;<\/p>\n<p>&lt;script setup lang&#061;&#034;ts&#034;&gt;<br \/>\n\/\/ 1. TypeScript \u7c7b\u578b\u58f0\u660e<br \/>\ninterface Props {<br \/>\n  title: string;<br \/>\n  count?: number;<br \/>\n}<\/p>\n<p>const props &#061; withDefaults(defineProps&lt;Props&gt;(), {<br \/>\n  count: 0<br \/>\n});<\/p>\n<p>\/\/ 2. \u7c7b\u578b\u5316 emits<br \/>\nconst emit &#061; defineEmits&lt;{<br \/>\n  (e: &#039;submit&#039;, data: FormData): void;<br \/>\n  (e: &#039;cancel&#039;): void;<br \/>\n}&gt;();<\/p>\n<p>\/\/ 3. \u66b4\u9732\u7ed9\u7236\u7ec4\u4ef6\u7684\u5185\u5bb9<br \/>\ndefineExpose({<br \/>\n  focus: () &#061;&gt; {<br \/>\n    \/\/ \u7236\u7ec4\u4ef6\u53ef\u4ee5\u901a\u8fc7 ref \u8c03\u7528<br \/>\n  }<br \/>\n});<br \/>\n&lt;\/script&gt;<\/p>\n<h4>5.8 &lt;script setup&gt; \u7684\u5e38\u89c1\u9677\u9631<\/h4>\n<table>\n<tr>#\u9677\u9631\u89e3\u51b3\u65b9\u6848<\/tr>\n<tbody>\n<tr>\n<td>1<\/td>\n<td>\u9876\u7ea7 await \u5bfc\u81f4 hydration \u5931\u8d25<\/td>\n<td>SSR \u4e2d\u907f\u514d\u9876\u7ea7 await<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>props \u89e3\u6784\u4e22\u5931\u54cd\u5e94\u5f0f<\/td>\n<td>Vue 3.5&#043; \u5df2\u4fee\u590d&#xff0c;\u7528 Reactive Props Destructure<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>\u6a21\u677f\u5f15\u7528\u4e0d\u5de5\u4f5c<\/td>\n<td>\u786e\u4fdd ref \u53d8\u91cf\u540d\u548c\u6a21\u677f\u91cc\u7684 ref \u5c5e\u6027\u4e00\u81f4<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>\u81ea\u5b9a\u4e49\u6307\u4ee4\u4e0d\u751f\u6548<\/td>\n<td>\u786e\u4fdd\u6307\u4ee4\u540d\u4ee5 v \u5f00\u5934<\/td>\n<\/tr>\n<tr>\n<td>5<\/td>\n<td>defineProps \u4e0d\u63d0\u793a<\/td>\n<td>\u786e\u4fdd VS Code \u5b89\u88c5\u4e86 Volar \u63d2\u4ef6<\/td>\n<\/tr>\n<tr>\n<td>6<\/td>\n<td>\u7c7b\u578b\u4e0d\u63a8\u5bfc<\/td>\n<td>\u786e\u4fdd &lt;script setup lang&#061;&#034;ts&#034;&gt;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u6700\u4f73\u5b9e\u8df5&#xff1a;<\/p>\n<ul>\n<li>\u5b89\u88c5 Volar&#xff08;Vue \u5b98\u65b9 VS Code \u63d2\u4ef6&#xff09;&#xff1b;<\/li>\n<li>\u4f7f\u7528 TypeScript \u83b7\u5f97\u66f4\u597d\u7684\u7c7b\u578b\u63a8\u5bfc&#xff1b;<\/li>\n<li>\u4fdd\u6301\u7ec4\u4ef6\u7b80\u6d01&#xff0c;\u4e0d\u8981\u5728\u4e00\u4e2a\u7ec4\u4ef6\u91cc\u5199\u592a\u591a\u903b\u8f91\u3002<\/li>\n<\/ul>\n<hr \/>\n<h3>6. \u7ec4\u4ef6\u901a\u4fe1&#xff1a;Props\/Emits\/Slots<\/h3>\n<h4>6.1 Props&#xff1a;\u7236\u4f20\u5b50<\/h4>\n<p>&lt;!&#8211; \u5b50\u7ec4\u4ef6 &#8211;&gt;<br \/>\n&lt;script setup&gt;<br \/>\nconst props &#061; defineProps({<br \/>\n  name: {<br \/>\n    type: String,<br \/>\n    required: true,<br \/>\n    default: &#039;Vue3&#039;<br \/>\n  },<br \/>\n  count: {<br \/>\n    type: Number,<br \/>\n    default: 0<br \/>\n  }<br \/>\n});<br \/>\n&lt;\/script&gt;<\/p>\n<p>&lt;!&#8211; \u7236\u7ec4\u4ef6 &#8211;&gt;<br \/>\n&lt;ChildComponent name&#061;&#034;\u5f20\u4e09&#034; :count&#061;&#034;10&#034; \/&gt;<\/p>\n<h4>6.2 Emits&#xff1a;\u5b50\u4f20\u7236<\/h4>\n<p>&lt;!&#8211; \u5b50\u7ec4\u4ef6 &#8211;&gt;<br \/>\n&lt;script setup&gt;<br \/>\nconst emit &#061; defineEmits([&#039;update&#039;, &#039;delete&#039;]);<\/p>\n<p>function handleUpdate() {<br \/>\n  emit(&#039;update&#039;, { id: 1, value: &#039;new&#039; });<br \/>\n}<br \/>\n&lt;\/script&gt;<\/p>\n<p>&lt;!&#8211; \u7236\u7ec4\u4ef6 &#8211;&gt;<br \/>\n&lt;ChildComponent &#064;update&#061;&#034;handleUpdate&#034; &#064;delete&#061;&#034;handleDelete&#034; \/&gt;<\/p>\n<h4>6.3 Slots&#xff1a;\u5185\u5bb9\u5206\u53d1<\/h4>\n<p>&lt;!&#8211; \u5b50\u7ec4\u4ef6 &#8211;&gt;<br \/>\n&lt;template&gt;<br \/>\n  &lt;div&gt;<br \/>\n    &lt;header&gt;&lt;slot name&#061;&#034;header&#034; \/&gt;&lt;\/header&gt;<br \/>\n    &lt;main&gt;&lt;slot \/&gt;&lt;\/main&gt;<br \/>\n    &lt;footer&gt;&lt;slot name&#061;&#034;footer&#034; \/&gt;&lt;\/footer&gt;<br \/>\n  &lt;\/div&gt;<br \/>\n&lt;\/template&gt;<\/p>\n<p>&lt;!&#8211; \u7236\u7ec4\u4ef6 &#8211;&gt;<br \/>\n&lt;ChildComponent&gt;<br \/>\n  &lt;template #header&gt;\u6807\u9898&lt;\/template&gt;<br \/>\n  &lt;template #default&gt;\u5185\u5bb9&lt;\/template&gt;<br \/>\n  &lt;template #footer&gt;\u5e95\u90e8&lt;\/template&gt;<br \/>\n&lt;\/ChildComponent&gt;<\/p>\n<h4>6.4 provide\/inject&#xff1a;\u4f9d\u8d56\u6ce8\u5165<\/h4>\n<p>\u5f53\u7ec4\u4ef6\u5c42\u7ea7\u5f88\u6df1\u65f6&#xff0c;props \u4e00\u5c42\u5c42\u4f20\u9012\u5f88\u9ebb\u70e6\u2014\u2014provide\/inject \u8ba9\u7956\u5148\u7ec4\u4ef6\u76f4\u63a5\u5411\u540e\u4ee3\u7ec4\u4ef6\u63d0\u4f9b\u6570\u636e&#xff1a;<\/p>\n<p>&lt;!&#8211; \u7956\u5148\u7ec4\u4ef6 &#8211;&gt;<br \/>\n&lt;script setup&gt;<br \/>\nimport { provide, ref } from &#039;vue&#039;;<\/p>\n<p>const theme &#061; ref(&#039;dark&#039;);<br \/>\nconst user &#061; ref({ name: &#039;\u5f20\u4e09&#039;, role: &#039;admin&#039; });<\/p>\n<p>\/\/ \u63d0\u4f9b\u7ed9\u6240\u6709\u540e\u4ee3\u7ec4\u4ef6<br \/>\nprovide(&#039;theme&#039;, theme);<br \/>\nprovide(&#039;user&#039;, user);<br \/>\n&lt;\/script&gt;<\/p>\n<p>&lt;!&#8211; \u6df1\u5c42\u540e\u4ee3\u7ec4\u4ef6 &#8211;&gt;<br \/>\n&lt;script setup&gt;<br \/>\nimport { inject, watch } from &#039;vue&#039;;<\/p>\n<p>\/\/ \u6ce8\u5165\u7956\u5148\u63d0\u4f9b\u7684\u6570\u636e<br \/>\nconst theme &#061; inject(&#039;theme&#039;);<br \/>\nconst user &#061; inject(&#039;user&#039;);<\/p>\n<p>console.log(theme.value); \/\/ &#039;dark&#039;<br \/>\n&lt;\/script&gt;<\/p>\n<p>\u6700\u4f73\u5b9e\u8df5&#xff1a;<\/p>\n<ul>\n<li>\u7528 provide\/inject \u505a\u8de8\u5c42\u7ea7\u5171\u4eab&#xff0c;\u4e0d\u8981\u6ee5\u7528&#xff08;\u7834\u574f\u7ec4\u4ef6\u5c01\u88c5&#xff09;&#xff1b;<\/li>\n<li>\u7528 Symbol \u4f5c\u4e3a key&#xff0c;\u907f\u514d\u547d\u540d\u51b2\u7a81&#xff1b;<\/li>\n<li>\u54cd\u5e94\u5f0f\u6570\u636e\u7528 ref\/reactive \u63d0\u4f9b&#xff0c;\u6ce8\u5165\u540e\u4fdd\u6301\u54cd\u5e94\u5f0f\u3002<\/li>\n<\/ul>\n<h4>6.5 \u7ec4\u4ef6\u901a\u4fe1\u9009\u578b\u51b3\u7b56<\/h4>\n<p>  #mermaid-svg-8X83K7MuqhNlANqT{font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;font-size:16px;fill:#333;}@keyframes 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.edge-pattern-dotted{stroke-dasharray:2;}#mermaid-svg-8X83K7MuqhNlANqT .marker{fill:#333333;stroke:#333333;}#mermaid-svg-8X83K7MuqhNlANqT .marker.cross{stroke:#333333;}#mermaid-svg-8X83K7MuqhNlANqT svg{font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;font-size:16px;}#mermaid-svg-8X83K7MuqhNlANqT p{margin:0;}#mermaid-svg-8X83K7MuqhNlANqT .label{font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;color:#333;}#mermaid-svg-8X83K7MuqhNlANqT .cluster-label text{fill:#333;}#mermaid-svg-8X83K7MuqhNlANqT .cluster-label span{color:#333;}#mermaid-svg-8X83K7MuqhNlANqT .cluster-label span p{background-color:transparent;}#mermaid-svg-8X83K7MuqhNlANqT .label text,#mermaid-svg-8X83K7MuqhNlANqT span{fill:#333;color:#333;}#mermaid-svg-8X83K7MuqhNlANqT .node rect,#mermaid-svg-8X83K7MuqhNlANqT .node circle,#mermaid-svg-8X83K7MuqhNlANqT .node ellipse,#mermaid-svg-8X83K7MuqhNlANqT .node polygon,#mermaid-svg-8X83K7MuqhNlANqT .node 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.flowchartTitleText{text-anchor:middle;font-size:18px;fill:#333;}#mermaid-svg-8X83K7MuqhNlANqT rect.text{fill:none;stroke-width:0;}#mermaid-svg-8X83K7MuqhNlANqT .icon-shape,#mermaid-svg-8X83K7MuqhNlANqT .image-shape{background-color:rgba(232,232,232, 0.8);text-align:center;}#mermaid-svg-8X83K7MuqhNlANqT .icon-shape p,#mermaid-svg-8X83K7MuqhNlANqT .image-shape p{background-color:rgba(232,232,232, 0.8);padding:2px;}#mermaid-svg-8X83K7MuqhNlANqT .icon-shape .label rect,#mermaid-svg-8X83K7MuqhNlANqT .image-shape .label rect{opacity:0.5;background-color:rgba(232,232,232, 0.8);fill:rgba(232,232,232, 0.8);}#mermaid-svg-8X83K7MuqhNlANqT .label-icon{display:inline-block;height:1em;overflow:visible;vertical-align:-0.125em;}#mermaid-svg-8X83K7MuqhNlANqT .node .label-icon path{fill:currentColor;stroke:revert;stroke-width:revert;}#mermaid-svg-8X83K7MuqhNlANqT :root{&#8211;mermaid-font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;}<\/p>\n<p>         <span class=\"edgeLabel\"><\/span><\/p>\n<p>         <span class=\"edgeLabel\"><\/p>\n<p>\u662f<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"edgeLabel\"><\/p>\n<p>\u662f<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"edgeLabel\"><\/p>\n<p>\u5426<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"edgeLabel\"><\/p>\n<p>\u662f<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"edgeLabel\"><\/p>\n<p>\u5426<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"edgeLabel\"><\/p>\n<p>\u5426<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"edgeLabel\"><\/p>\n<p>\u662f<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"edgeLabel\"><\/p>\n<p>\u5426<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"edgeLabel\"><\/p>\n<p>\u662f<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"edgeLabel\"><\/p>\n<p>\u5426<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>\u7ec4\u4ef6\u901a\u4fe1\u9700\u6c42<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>\u7236\u5b50\u7ec4\u4ef6&#xff1f;<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>\u7236\u2192\u5b50&#xff1f;<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>Props<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>\u5b50\u2192\u7236&#xff1f;<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>Emits<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>v-model \/ \u53cc\u5411\u7ed1\u5b9a<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>\u8de8\u5c42\u7ea7&#xff1f;<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>provide\/inject<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>\u5168\u5c40\u72b6\u6001&#xff1f;<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>Pinia<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>\u4e8b\u4ef6\u603b\u7ebf \/ \u72b6\u6001\u7ba1\u7406<\/p>\n<p><\/span><\/p>\n<p>\u9009\u578b\u5efa\u8bae&#xff1a;<\/p>\n<table>\n<tr>\u901a\u4fe1\u65b9\u5f0f\u9002\u7528\u573a\u666f<\/tr>\n<tbody>\n<tr>\n<td>Props<\/td>\n<td>\u7236\u2192\u5b50&#xff0c;\u7b80\u5355\u6570\u636e\u6d41<\/td>\n<\/tr>\n<tr>\n<td>Emits<\/td>\n<td>\u5b50\u2192\u7236&#xff0c;\u4e8b\u4ef6\u901a\u77e5<\/td>\n<\/tr>\n<tr>\n<td>v-model<\/td>\n<td>\u7236\u5b50\u53cc\u5411\u7ed1\u5b9a&#xff08;\u8868\u5355&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>provide\/inject<\/td>\n<td>\u8de8\u5c42\u7ea7\u5171\u4eab&#xff08;\u4e3b\u9898\u3001\u7528\u6237\u4fe1\u606f&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>Pinia<\/td>\n<td>\u5168\u5c40\u72b6\u6001&#xff08;\u7528\u6237\u3001\u8d2d\u7269\u8f66\u3001\u8bbe\u7f6e&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u4e8b\u4ef6\u603b\u7ebf<\/td>\n<td>\u8de8\u7ec4\u4ef6\u4e8b\u4ef6&#xff08;\u5df2\u5c11\u7528&#xff0c;\u7528 Pinia \u66ff\u4ee3&#xff09;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>6.6 \u7ec4\u4ef6\u8bbe\u8ba1\u539f\u5219<\/h4>\n<table>\n<tr>\u539f\u5219\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>\u5355\u4e00\u804c\u8d23<\/td>\n<td>\u6bcf\u4e2a\u7ec4\u4ef6\u53ea\u505a\u4e00\u4ef6\u4e8b<\/td>\n<\/tr>\n<tr>\n<td>Props \u4e0b\u884c&#xff0c;Events \u4e0a\u884c<\/td>\n<td>\u6570\u636e\u4ece\u7236\u5230\u5b50&#xff0c;\u4e8b\u4ef6\u4ece\u5b50\u5230\u7236<\/td>\n<\/tr>\n<tr>\n<td>\u7ec4\u4ef6\u7c92\u5ea6<\/td>\n<td>\u4e0d\u8981\u592a\u5927&#xff0c;\u4e5f\u4e0d\u8981\u592a\u5c0f<\/td>\n<\/tr>\n<tr>\n<td>\u53ef\u590d\u7528\u6027<\/td>\n<td>\u7ec4\u4ef6\u8981\u53ef\u590d\u7528\u3001\u53ef\u914d\u7f6e<\/td>\n<\/tr>\n<tr>\n<td>\u7ec4\u5408\u4f18\u4e8e\u7ee7\u627f<\/td>\n<td>\u7528\u63d2\u69fd\u548c\u7ec4\u5408\u66ff\u4ee3\u7ee7\u627f<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u7ec4\u4ef6\u62c6\u5206\u793a\u4f8b&#xff1a;<\/p>\n<p>UserProfile.vue&#xff08;\u5927\u7ec4\u4ef6&#xff09;<br \/>\n\u251c\u2500\u2500 UserAvatar.vue&#xff08;\u5934\u50cf&#xff09;<br \/>\n\u251c\u2500\u2500 UserInfo.vue&#xff08;\u7528\u6237\u4fe1\u606f&#xff09;<br \/>\n\u251c\u2500\u2500 UserActions.vue&#xff08;\u64cd\u4f5c\u6309\u94ae&#xff09;<br \/>\n\u2514\u2500\u2500 UserOrders.vue&#xff08;\u8ba2\u5355\u5217\u8868&#xff09;<\/p>\n<p>\u4e3a\u4ec0\u4e48\u8981\u62c6\u5206&#xff1a;<\/p>\n<ul>\n<li>\u66f4\u597d\u7684\u590d\u7528\u6027&#xff1b;<\/li>\n<li>\u66f4\u597d\u7684\u53ef\u7ef4\u62a4\u6027&#xff1b;<\/li>\n<li>\u66f4\u597d\u7684\u6d4b\u8bd5\u6027&#xff1b;<\/li>\n<li>\u66f4\u597d\u7684\u6027\u80fd&#xff08;\u7ec6\u7c92\u5ea6\u66f4\u65b0&#xff09;\u3002<\/li>\n<\/ul>\n<h4>6.7 \u7ec4\u4ef6\u901a\u4fe1\u7684\u6700\u4f73\u5b9e\u8df5<\/h4>\n<table>\n<tr>#\u5b9e\u8df5\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>1<\/td>\n<td>Props \u8981\u7c7b\u578b\u5316<\/td>\n<td>\u7528 TypeScript \u58f0\u660e Props \u7c7b\u578b<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>Emits \u8981\u660e\u786e<\/td>\n<td>\u58f0\u660e\u6240\u6709\u53ef\u80fd\u7684\u4e8b\u4ef6<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>\u907f\u514d prop drilling<\/td>\n<td>\u7528 provide\/inject \u6216 Pinia \u66ff\u4ee3<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>\u4e0d\u8981\u6ee5\u7528 provide\/inject<\/td>\n<td>\u53ea\u7528\u4e8e\u8de8\u5c42\u7ea7\u5171\u4eab<\/td>\n<\/tr>\n<tr>\n<td>5<\/td>\n<td>\u5168\u5c40\u72b6\u6001\u7528 Pinia<\/td>\n<td>\u4e0d\u8981\u7528 props \u4f20\u5168\u5c40\u72b6\u6001<\/td>\n<\/tr>\n<tr>\n<td>6<\/td>\n<td>\u7ec4\u4ef6\u8981\u5355\u4e00\u804c\u8d23<\/td>\n<td>\u4e0d\u8981\u505a\u592a\u591a\u4e8b<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u6700\u4f73\u5b9e\u8df5\u793a\u4f8b&#xff1a;<\/p>\n<p>&lt;script setup lang&#061;&#034;ts&#034;&gt;<br \/>\n\/\/ \u597d\u7684&#xff1a;\u7c7b\u578b\u5316 Props \u548c Emits<br \/>\ninterface Props {<br \/>\n  title: string;<br \/>\n  visible: boolean;<br \/>\n}<\/p>\n<p>const props &#061; withDefaults(defineProps&lt;Props&gt;(), {<br \/>\n  visible: true<br \/>\n});<\/p>\n<p>const emit &#061; defineEmits&lt;{<br \/>\n  (e: &#039;close&#039;): void;<br \/>\n  (e: &#039;confirm&#039;, value: string): void;<br \/>\n}&gt;();<br \/>\n&lt;\/script&gt;<\/p>\n<hr \/>\n<h3>7. Pinia \u72b6\u6001\u7ba1\u7406<\/h3>\n<h4>7.1 \u4ece Vuex \u5230 Pinia<\/h4>\n<p>Pinia \u662f Vue3 \u7684\u5b98\u65b9\u63a8\u8350\u72b6\u6001\u7ba1\u7406\u5e93\u2014\u2014\u5b83\u66ff\u4ee3\u4e86 Vuex&#xff1a;<\/p>\n<table>\n<tr>\u7ef4\u5ea6VuexPinia<\/tr>\n<tbody>\n<tr>\n<td>API \u98ce\u683c<\/td>\n<td>mutations &#043; actions<\/td>\n<td>\u76f4\u63a5 actions<\/td>\n<\/tr>\n<tr>\n<td>TypeScript<\/td>\n<td>\u652f\u6301\u6709\u9650<\/td>\n<td>\u539f\u751f\u652f\u6301<\/td>\n<\/tr>\n<tr>\n<td>\u6a21\u5757\u5316<\/td>\n<td>modules \u5d4c\u5957<\/td>\n<td>\u6241\u5e73 store<\/td>\n<\/tr>\n<tr>\n<td>DevTools<\/td>\n<td>\u652f\u6301<\/td>\n<td>\u652f\u6301&#xff08;\u66f4\u597d\u7684\u65f6\u95f4\u65c5\u884c&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u4f53\u79ef<\/td>\n<td>\u8f83\u5927<\/td>\n<td>\u66f4\u5c0f<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>7.2 Pinia \u7684\u6838\u5fc3\u6982\u5ff5<\/h4>\n<p><span class=\"token comment\">\/\/ stores\/counter.js<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">{<\/span> defineStore <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;pinia&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">{<\/span> ref<span class=\"token punctuation\">,<\/span> computed <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;vue&#039;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">export<\/span> <span class=\"token keyword\">const<\/span> useCounterStore <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">defineStore<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;counter&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token comment\">\/\/ state<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> count <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">ref<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token comment\">\/\/ getters<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> doubleCount <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">computed<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> count<span class=\"token punctuation\">.<\/span>value <span class=\"token operator\">*<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token comment\">\/\/ actions<\/span><br \/>\n  <span class=\"token keyword\">function<\/span> <span class=\"token function\">increment<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    count<span class=\"token punctuation\">.<\/span>value<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token keyword\">function<\/span> <span class=\"token function\">reset<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    count<span class=\"token punctuation\">.<\/span>value <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">{<\/span> count<span class=\"token punctuation\">,<\/span> doubleCount<span class=\"token punctuation\">,<\/span> increment<span class=\"token punctuation\">,<\/span> reset <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h4>7.3 \u5728\u7ec4\u4ef6\u4e2d\u4f7f\u7528 Pinia<\/h4>\n<p>&lt;script setup&gt;<br \/>\nimport { useCounterStore } from &#039;&#064;\/stores\/counter&#039;;<\/p>\n<p>const counter &#061; useCounterStore();<\/p>\n<p>\/\/ \u76f4\u63a5\u4f7f\u7528<br \/>\nconsole.log(counter.count); \/\/ 0<br \/>\nconsole.log(counter.doubleCount); \/\/ 0<\/p>\n<p>\/\/ \u8c03\u7528 action<br \/>\ncounter.increment();<br \/>\nconsole.log(counter.count); \/\/ 1<br \/>\n&lt;\/script&gt;<\/p>\n<h4>7.4 Pinia \u5b9e\u6218&#xff1a;\u7528\u6237 Store<\/h4>\n<p><span class=\"token comment\">\/\/ stores\/user.js<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">{<\/span> defineStore <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;pinia&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">{<\/span> ref<span class=\"token punctuation\">,<\/span> computed <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;vue&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">{<\/span> loginApi<span class=\"token punctuation\">,<\/span> logoutApi<span class=\"token punctuation\">,<\/span> getUserInfoApi <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;&#064;\/api\/user&#039;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">export<\/span> <span class=\"token keyword\">const<\/span> useUserStore <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">defineStore<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;user&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token comment\">\/\/ state<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> token <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">ref<\/span><span class=\"token punctuation\">(<\/span>localStorage<span class=\"token punctuation\">.<\/span><span class=\"token function\">getItem<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;token&#039;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <span class=\"token string\">&#039;&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> userInfo <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">ref<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">null<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token comment\">\/\/ getters<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> isLoggedIn <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">computed<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token operator\">!<\/span><span class=\"token operator\">!<\/span>token<span class=\"token punctuation\">.<\/span>value<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> userName <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">computed<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> userInfo<span class=\"token punctuation\">.<\/span>value<span class=\"token operator\">?.<\/span>name <span class=\"token operator\">||<\/span> <span class=\"token string\">&#039;&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> isAdmin <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">computed<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> userInfo<span class=\"token punctuation\">.<\/span>value<span class=\"token operator\">?.<\/span>role <span class=\"token operator\">&#061;&#061;&#061;<\/span> <span class=\"token string\">&#039;admin&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token comment\">\/\/ actions<\/span><br \/>\n  <span class=\"token keyword\">async<\/span> <span class=\"token keyword\">function<\/span> <span class=\"token function\">login<\/span><span class=\"token punctuation\">(<\/span><span class=\"token parameter\">loginForm<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> res <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">await<\/span> <span class=\"token function\">loginApi<\/span><span class=\"token punctuation\">(<\/span>loginForm<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    token<span class=\"token punctuation\">.<\/span>value <span class=\"token operator\">&#061;<\/span> res<span class=\"token punctuation\">.<\/span>token<span class=\"token punctuation\">;<\/span><br \/>\n    localStorage<span class=\"token punctuation\">.<\/span><span class=\"token function\">setItem<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;token&#039;<\/span><span class=\"token punctuation\">,<\/span> res<span class=\"token punctuation\">.<\/span>token<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">await<\/span> <span class=\"token function\">fetchUserInfo<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> res<span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token keyword\">async<\/span> <span class=\"token keyword\">function<\/span> <span class=\"token function\">fetchUserInfo<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>token<span class=\"token punctuation\">.<\/span>value<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    userInfo<span class=\"token punctuation\">.<\/span>value <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">await<\/span> <span class=\"token function\">getUserInfoApi<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token keyword\">async<\/span> <span class=\"token keyword\">function<\/span> <span class=\"token function\">logout<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">await<\/span> <span class=\"token function\">logoutApi<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    token<span class=\"token punctuation\">.<\/span>value <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#039;&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    userInfo<span class=\"token punctuation\">.<\/span>value <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    localStorage<span class=\"token punctuation\">.<\/span><span class=\"token function\">removeItem<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;token&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    token<span class=\"token punctuation\">,<\/span><br \/>\n    userInfo<span class=\"token punctuation\">,<\/span><br \/>\n    isLoggedIn<span class=\"token punctuation\">,<\/span><br \/>\n    userName<span class=\"token punctuation\">,<\/span><br \/>\n    isAdmin<span class=\"token punctuation\">,<\/span><br \/>\n    login<span class=\"token punctuation\">,<\/span><br \/>\n    fetchUserInfo<span class=\"token punctuation\">,<\/span><br \/>\n    logout<br \/>\n  <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h4>7.5 Pinia \u6301\u4e45\u5316\u63d2\u4ef6<\/h4>\n<p><span class=\"token comment\">\/\/ plugins\/piniaPersist.js<\/span><br \/>\n<span class=\"token keyword\">export<\/span> <span class=\"token keyword\">function<\/span> <span class=\"token function\">piniaPersist<\/span><span class=\"token punctuation\">(<\/span><span class=\"token parameter\"><span class=\"token punctuation\">{<\/span> store <span class=\"token punctuation\">}<\/span><\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token comment\">\/\/ \u76d1\u542c store \u53d8\u5316&#xff0c;\u81ea\u52a8\u6301\u4e45\u5316\u5230 localStorage<\/span><br \/>\n  store<span class=\"token punctuation\">.<\/span><span class=\"token function\">$subscribe<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token parameter\">mutation<span class=\"token punctuation\">,<\/span> state<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    localStorage<span class=\"token punctuation\">.<\/span><span class=\"token function\">setItem<\/span><span class=\"token punctuation\">(<\/span>store<span class=\"token punctuation\">.<\/span>$id<span class=\"token punctuation\">,<\/span> <span class=\"token constant\">JSON<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">stringify<\/span><span class=\"token punctuation\">(<\/span>state<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token comment\">\/\/ \u521d\u59cb\u5316\u65f6\u4ece localStorage \u6062\u590d<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> saved <span class=\"token operator\">&#061;<\/span> localStorage<span class=\"token punctuation\">.<\/span><span class=\"token function\">getItem<\/span><span class=\"token punctuation\">(<\/span>store<span class=\"token punctuation\">.<\/span>$id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>saved<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    store<span class=\"token punctuation\">.<\/span><span class=\"token function\">$patch<\/span><span class=\"token punctuation\">(<\/span><span class=\"token constant\">JSON<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">parse<\/span><span class=\"token punctuation\">(<\/span>saved<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ main.js<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">{<\/span> createPinia <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;pinia&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">{<\/span> piniaPersist <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;&#064;\/plugins\/piniaPersist&#039;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">const<\/span> pinia <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">createPinia<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\npinia<span class=\"token punctuation\">.<\/span><span class=\"token function\">use<\/span><span class=\"token punctuation\">(<\/span>piniaPersist<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h4>7.6 Pinia \u6700\u4f73\u5b9e\u8df5<\/h4>\n<table>\n<tr>#\u5b9e\u8df5\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>1<\/td>\n<td>\u6309\u529f\u80fd\u62c6\u5206 store<\/td>\n<td>\u4e0d\u8981\u628a\u6240\u6709\u72b6\u6001\u653e\u4e00\u4e2a store<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>\u4f7f\u7528\u7ec4\u5408\u5f0f\u8bed\u6cd5<\/td>\n<td>defineStore(&#039;id&#039;, () &#061;&gt; {}) \u6bd4\u9009\u9879\u5f0f\u66f4\u7075\u6d3b<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>\u6301\u4e45\u5316\u6309\u9700<\/td>\n<td>\u53ea\u6301\u4e45\u5316\u9700\u8981\u6301\u4e45\u5316\u7684 store<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>\u4e0d\u8981\u6ee5\u7528 store<\/td>\n<td>\u7ec4\u4ef6\u5c40\u90e8\u72b6\u6001\u7528 ref\/reactive&#xff0c;\u5168\u5c40\u72b6\u6001\u624d\u7528 Pinia<\/td>\n<\/tr>\n<tr>\n<td>5<\/td>\n<td>\u670d\u52a1\u7aef\u4ea4\u4e92\u653e action<\/td>\n<td>API \u8bf7\u6c42\u653e\u5728 action \u91cc&#xff0c;\u4e0d\u8981\u653e\u7ec4\u4ef6\u91cc<\/td>\n<\/tr>\n<tr>\n<td>6<\/td>\n<td>getter \u7eaf\u51fd\u6570<\/td>\n<td>getter \u4e0d\u8981\u6709\u526f\u4f5c\u7528&#xff0c;\u53ea\u505a\u8ba1\u7b97<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u5e38\u89c1\u8bef\u533a&#xff1a;<\/p>\n<ul>\n<li>\u6240\u6709\u72b6\u6001\u90fd\u653e Pinia&#xff1a;\u9519\u2014\u2014\u7ec4\u4ef6\u5c40\u90e8\u72b6\u6001\u7528 ref\/reactive \u66f4\u8f7b\u91cf&#xff1b;<\/li>\n<li>store \u91cc\u653e UI \u72b6\u6001&#xff1a;\u9519\u2014\u2014loading\u3001modal \u5f00\u5173\u7b49 UI \u72b6\u6001\u5e94\u8be5\u653e\u7ec4\u4ef6\u91cc&#xff1b;<\/li>\n<li>\u76f4\u63a5\u4fee\u6539 state&#xff1a;\u53ef\u4ee5&#xff0c;\u4f46\u5927\u578b\u9879\u76ee\u5efa\u8bae\u7528 action \u7edf\u4e00\u4fee\u6539\u3002<\/li>\n<\/ul>\n<h4>7.7 Pinia \u4e0e\u670d\u52a1\u7aef\u4ea4\u4e92<\/h4>\n<p>\u6700\u4f73\u5b9e\u8df5&#xff1a;API \u8bf7\u6c42\u653e\u5728 Pinia \u7684 action \u91cc&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ stores\/user.js<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">{<\/span> defineStore <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;pinia&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">{<\/span> ref <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;vue&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> api <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;&#064;\/api&#039;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">export<\/span> <span class=\"token keyword\">const<\/span> useUserStore <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">defineStore<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;user&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> userList <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">ref<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> loading <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">ref<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">false<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> error <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">ref<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">null<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token keyword\">async<\/span> <span class=\"token keyword\">function<\/span> <span class=\"token function\">fetchUsers<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    loading<span class=\"token punctuation\">.<\/span>value <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    error<span class=\"token punctuation\">.<\/span>value <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token keyword\">const<\/span> res <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">await<\/span> api<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;\/users&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      userList<span class=\"token punctuation\">.<\/span>value <span class=\"token operator\">&#061;<\/span> res<span class=\"token punctuation\">.<\/span>data<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">catch<\/span> <span class=\"token punctuation\">(<\/span>err<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      error<span class=\"token punctuation\">.<\/span>value <span class=\"token operator\">&#061;<\/span> err<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">finally<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      loading<span class=\"token punctuation\">.<\/span>value <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token keyword\">async<\/span> <span class=\"token keyword\">function<\/span> <span class=\"token function\">createUser<\/span><span class=\"token punctuation\">(<\/span><span class=\"token parameter\">userData<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    loading<span class=\"token punctuation\">.<\/span>value <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token keyword\">const<\/span> res <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">await<\/span> api<span class=\"token punctuation\">.<\/span><span class=\"token function\">post<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;\/users&#039;<\/span><span class=\"token punctuation\">,<\/span> userData<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      userList<span class=\"token punctuation\">.<\/span>value<span class=\"token punctuation\">.<\/span><span class=\"token function\">push<\/span><span class=\"token punctuation\">(<\/span>res<span class=\"token punctuation\">.<\/span>data<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      <span class=\"token keyword\">return<\/span> res<span class=\"token punctuation\">.<\/span>data<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">catch<\/span> <span class=\"token punctuation\">(<\/span>err<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      error<span class=\"token punctuation\">.<\/span>value <span class=\"token operator\">&#061;<\/span> err<span class=\"token punctuation\">;<\/span><br \/>\n      <span class=\"token keyword\">throw<\/span> err<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">finally<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      loading<span class=\"token punctuation\">.<\/span>value <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    userList<span class=\"token punctuation\">,<\/span><br \/>\n    loading<span class=\"token punctuation\">,<\/span><br \/>\n    error<span class=\"token punctuation\">,<\/span><br \/>\n    fetchUsers<span class=\"token punctuation\">,<\/span><br \/>\n    createUser<br \/>\n  <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u5728\u7ec4\u4ef6\u4e2d\u4f7f\u7528&#xff1a;<\/p>\n<p>&lt;script setup&gt;<br \/>\nimport { useUserStore } from &#039;&#064;\/stores\/user&#039;;<br \/>\nimport { onMounted } from &#039;vue&#039;;<\/p>\n<p>const userStore &#061; useUserStore();<\/p>\n<p>onMounted(() &#061;&gt; {<br \/>\n  userStore.fetchUsers();<br \/>\n});<br \/>\n&lt;\/script&gt;<\/p>\n<h4>7.8 Pinia \u7684 DevTools \u4e0e\u8c03\u8bd5<\/h4>\n<p>Vue DevTools \u662f\u8c03\u8bd5 Pinia \u7684\u5229\u5668&#xff1a;<\/p>\n<table>\n<tr>\u529f\u80fd\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>\u65f6\u95f4\u65c5\u884c<\/td>\n<td>\u56de\u6eaf\u5230\u4efb\u610f\u65f6\u95f4\u70b9\u7684\u72b6\u6001<\/td>\n<\/tr>\n<tr>\n<td>\u72b6\u6001\u68c0\u67e5<\/td>\n<td>\u67e5\u770b\u6bcf\u4e2a store \u7684\u5f53\u524d\u72b6\u6001<\/td>\n<\/tr>\n<tr>\n<td>Action \u8ffd\u8e2a<\/td>\n<td>\u67e5\u770b action \u7684\u8c03\u7528\u6808\u548c\u53c2\u6570<\/td>\n<\/tr>\n<tr>\n<td>\u72b6\u6001\u7f16\u8f91<\/td>\n<td>\u76f4\u63a5\u5728 DevTools \u91cc\u4fee\u6539\u72b6\u6001<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u8c03\u8bd5\u6280\u5de7&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ 1. \u5728 store \u91cc\u6253\u5370\u72b6\u6001<\/span><br \/>\nconsole<span class=\"token punctuation\">.<\/span><span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span>userStore<span class=\"token punctuation\">.<\/span>$state<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ 2. \u8ba2\u9605 store \u53d8\u5316<\/span><br \/>\nuserStore<span class=\"token punctuation\">.<\/span><span class=\"token function\">$subscribe<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token parameter\">mutation<span class=\"token punctuation\">,<\/span> state<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  console<span class=\"token punctuation\">.<\/span><span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;User store changed:&#039;<\/span><span class=\"token punctuation\">,<\/span> mutation<span class=\"token punctuation\">,<\/span> state<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ 3. \u91cd\u7f6e store<\/span><br \/>\nuserStore<span class=\"token punctuation\">.<\/span><span class=\"token function\">$reset<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u5e38\u89c1\u95ee\u9898&#xff1a;<\/p>\n<ul>\n<li>store \u4e0d\u54cd\u5e94&#xff1a;\u68c0\u67e5\u662f\u5426\u5728 setup \u5916\u4f7f\u7528&#xff1b;<\/li>\n<li>\u72b6\u6001\u4e0d\u540c\u6b65&#xff1a;\u68c0\u67e5\u662f\u5426\u76f4\u63a5\u4fee\u6539 state&#xff1b;<\/li>\n<li>DevTools \u4e0d\u663e\u793a&#xff1a;\u68c0\u67e5 Vue DevTools \u7248\u672c\u662f\u5426\u652f\u6301 Pinia\u3002<\/li>\n<\/ul>\n<h4>7.9 Pinia \u7684\u5e38\u89c1\u9677\u9631<\/h4>\n<table>\n<tr>#\u9677\u9631\u89e3\u51b3\u65b9\u6848<\/tr>\n<tbody>\n<tr>\n<td>1<\/td>\n<td>store \u4e0d\u54cd\u5e94<\/td>\n<td>\u786e\u4fdd\u5728 setup \u6216\u7ec4\u4ef6\u91cc\u4f7f\u7528<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>\u76f4\u63a5\u4fee\u6539 state \u4e0d\u89e6\u53d1<\/td>\n<td>Pinia \u5141\u8bb8\u76f4\u63a5\u4fee\u6539&#xff0c;\u4f46\u5927\u578b\u9879\u76ee\u5efa\u8bae\u7528 action<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>store \u4e4b\u95f4\u4e92\u76f8\u5f15\u7528<\/td>\n<td>\u53ef\u4ee5&#xff0c;\u4f46\u8981\u6ce8\u610f\u5faa\u73af\u4f9d\u8d56<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>\u6301\u4e45\u5316\u4e0d\u751f\u6548<\/td>\n<td>\u68c0\u67e5\u63d2\u4ef6\u914d\u7f6e\u548c\u5b58\u50a8 key<\/td>\n<\/tr>\n<tr>\n<td>5<\/td>\n<td>SSR \u4e2d store \u4e0d\u5171\u4eab<\/td>\n<td>\u7528 Nuxt \u7684 useState \u66ff\u4ee3<\/td>\n<\/tr>\n<tr>\n<td>6<\/td>\n<td>TypeScript \u7c7b\u578b\u4e0d\u63a8\u5bfc<\/td>\n<td>\u786e\u4fdd store \u6709\u6b63\u786e\u7684\u7c7b\u578b\u6807\u6ce8<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u6700\u4f73\u5b9e\u8df5&#xff1a;<\/p>\n<ul>\n<li>\u6309\u529f\u80fd\u62c6\u5206 store&#xff1a;\u4e0d\u8981\u628a\u6240\u6709\u72b6\u6001\u653e\u4e00\u4e2a store&#xff1b;<\/li>\n<li>\u4f7f\u7528\u7ec4\u5408\u5f0f\u8bed\u6cd5&#xff1a;defineStore(&#039;id&#039;, () &#061;&gt; {}) \u6bd4\u9009\u9879\u5f0f\u66f4\u7075\u6d3b&#xff1b;<\/li>\n<li>API \u8bf7\u6c42\u653e action&#xff1a;\u4e0d\u8981\u5728\u7ec4\u4ef6\u91cc\u76f4\u63a5\u8c03 API&#xff1b;<\/li>\n<li>getter \u7eaf\u51fd\u6570&#xff1a;getter \u4e0d\u8981\u6709\u526f\u4f5c\u7528&#xff0c;\u53ea\u505a\u8ba1\u7b97\u3002<\/li>\n<\/ul>\n<hr \/>\n<h3>8. Vite \u6784\u5efa\u5de5\u5177<\/h3>\n<h4>8.1 \u4e3a\u4ec0\u4e48\u662f Vite<\/h4>\n<p>Vite \u662f Vue3 \u63a8\u8350\u7684\u6784\u5efa\u5de5\u5177\u2014\u2014\u5b83\u89e3\u51b3\u4e86 webpack \u7684\u542f\u52a8\u6162\u95ee\u9898&#xff1a;<\/p>\n<table>\n<tr>\u7ef4\u5ea6webpackVite<\/tr>\n<tbody>\n<tr>\n<td>\u542f\u52a8\u65f6\u95f4<\/td>\n<td>\u6162&#xff08;\u6253\u5305\u540e\u542f\u52a8&#xff09;<\/td>\n<td>\u6781\u5feb&#xff08;\u539f\u751f ESM&#xff0c;\u65e0\u9700\u6253\u5305&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u70ed\u66f4\u65b0<\/td>\n<td>\u6162&#xff08;\u91cd\u65b0\u6253\u5305&#xff09;<\/td>\n<td>\u6781\u5feb&#xff08;\u6309\u9700\u7f16\u8bd1&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u6784\u5efa<\/td>\n<td>webpack<\/td>\n<td>Rollup&#xff08;\u751f\u4ea7\u6784\u5efa&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u914d\u7f6e<\/td>\n<td>\u590d\u6742<\/td>\n<td>\u7b80\u5355<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>8.2 Vite \u7684\u6838\u5fc3\u4f18\u52bf<\/h4>\n<p>  #mermaid-svg-IFGjd4LaRzUIWpci{font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;font-size:16px;fill:#333;}@keyframes edge-animation-frame{from{stroke-dashoffset:0;}}@keyframes dash{to{stroke-dashoffset:0;}}#mermaid-svg-IFGjd4LaRzUIWpci .edge-animation-slow{stroke-dasharray:9,5!important;stroke-dashoffset:900;animation:dash 50s linear infinite;stroke-linecap:round;}#mermaid-svg-IFGjd4LaRzUIWpci .edge-animation-fast{stroke-dasharray:9,5!important;stroke-dashoffset:900;animation:dash 20s linear infinite;stroke-linecap:round;}#mermaid-svg-IFGjd4LaRzUIWpci .error-icon{fill:#552222;}#mermaid-svg-IFGjd4LaRzUIWpci .error-text{fill:#552222;stroke:#552222;}#mermaid-svg-IFGjd4LaRzUIWpci .edge-thickness-normal{stroke-width:1px;}#mermaid-svg-IFGjd4LaRzUIWpci .edge-thickness-thick{stroke-width:3.5px;}#mermaid-svg-IFGjd4LaRzUIWpci .edge-pattern-solid{stroke-dasharray:0;}#mermaid-svg-IFGjd4LaRzUIWpci .edge-thickness-invisible{stroke-width:0;fill:none;}#mermaid-svg-IFGjd4LaRzUIWpci .edge-pattern-dashed{stroke-dasharray:3;}#mermaid-svg-IFGjd4LaRzUIWpci .edge-pattern-dotted{stroke-dasharray:2;}#mermaid-svg-IFGjd4LaRzUIWpci .marker{fill:#333333;stroke:#333333;}#mermaid-svg-IFGjd4LaRzUIWpci .marker.cross{stroke:#333333;}#mermaid-svg-IFGjd4LaRzUIWpci svg{font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;font-size:16px;}#mermaid-svg-IFGjd4LaRzUIWpci p{margin:0;}#mermaid-svg-IFGjd4LaRzUIWpci .label{font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;color:#333;}#mermaid-svg-IFGjd4LaRzUIWpci .cluster-label text{fill:#333;}#mermaid-svg-IFGjd4LaRzUIWpci .cluster-label span{color:#333;}#mermaid-svg-IFGjd4LaRzUIWpci .cluster-label span p{background-color:transparent;}#mermaid-svg-IFGjd4LaRzUIWpci .label text,#mermaid-svg-IFGjd4LaRzUIWpci span{fill:#333;color:#333;}#mermaid-svg-IFGjd4LaRzUIWpci .node rect,#mermaid-svg-IFGjd4LaRzUIWpci .node circle,#mermaid-svg-IFGjd4LaRzUIWpci .node ellipse,#mermaid-svg-IFGjd4LaRzUIWpci .node polygon,#mermaid-svg-IFGjd4LaRzUIWpci .node path{fill:#ECECFF;stroke:#9370DB;stroke-width:1px;}#mermaid-svg-IFGjd4LaRzUIWpci .rough-node .label text,#mermaid-svg-IFGjd4LaRzUIWpci .node .label text,#mermaid-svg-IFGjd4LaRzUIWpci .image-shape .label,#mermaid-svg-IFGjd4LaRzUIWpci .icon-shape .label{text-anchor:middle;}#mermaid-svg-IFGjd4LaRzUIWpci .node .katex path{fill:#000;stroke:#000;stroke-width:1px;}#mermaid-svg-IFGjd4LaRzUIWpci .rough-node .label,#mermaid-svg-IFGjd4LaRzUIWpci .node .label,#mermaid-svg-IFGjd4LaRzUIWpci .image-shape .label,#mermaid-svg-IFGjd4LaRzUIWpci .icon-shape .label{text-align:center;}#mermaid-svg-IFGjd4LaRzUIWpci .node.clickable{cursor:pointer;}#mermaid-svg-IFGjd4LaRzUIWpci .root .anchor path{fill:#333333!important;stroke-width:0;stroke:#333333;}#mermaid-svg-IFGjd4LaRzUIWpci .arrowheadPath{fill:#333333;}#mermaid-svg-IFGjd4LaRzUIWpci .edgePath .path{stroke:#333333;stroke-width:2.0px;}#mermaid-svg-IFGjd4LaRzUIWpci .flowchart-link{stroke:#333333;fill:none;}#mermaid-svg-IFGjd4LaRzUIWpci .edgeLabel{background-color:rgba(232,232,232, 0.8);text-align:center;}#mermaid-svg-IFGjd4LaRzUIWpci .edgeLabel p{background-color:rgba(232,232,232, 0.8);}#mermaid-svg-IFGjd4LaRzUIWpci .edgeLabel rect{opacity:0.5;background-color:rgba(232,232,232, 0.8);fill:rgba(232,232,232, 0.8);}#mermaid-svg-IFGjd4LaRzUIWpci .labelBkg{background-color:rgba(232, 232, 232, 0.5);}#mermaid-svg-IFGjd4LaRzUIWpci .cluster rect{fill:#ffffde;stroke:#aaaa33;stroke-width:1px;}#mermaid-svg-IFGjd4LaRzUIWpci .cluster text{fill:#333;}#mermaid-svg-IFGjd4LaRzUIWpci .cluster span{color:#333;}#mermaid-svg-IFGjd4LaRzUIWpci div.mermaidTooltip{position:absolute;text-align:center;max-width:200px;padding:2px;font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;font-size:12px;background:hsl(80, 100%, 96.2745098039%);border:1px solid #aaaa33;border-radius:2px;pointer-events:none;z-index:100;}#mermaid-svg-IFGjd4LaRzUIWpci .flowchartTitleText{text-anchor:middle;font-size:18px;fill:#333;}#mermaid-svg-IFGjd4LaRzUIWpci rect.text{fill:none;stroke-width:0;}#mermaid-svg-IFGjd4LaRzUIWpci .icon-shape,#mermaid-svg-IFGjd4LaRzUIWpci .image-shape{background-color:rgba(232,232,232, 0.8);text-align:center;}#mermaid-svg-IFGjd4LaRzUIWpci .icon-shape p,#mermaid-svg-IFGjd4LaRzUIWpci .image-shape p{background-color:rgba(232,232,232, 0.8);padding:2px;}#mermaid-svg-IFGjd4LaRzUIWpci .icon-shape .label rect,#mermaid-svg-IFGjd4LaRzUIWpci .image-shape .label rect{opacity:0.5;background-color:rgba(232,232,232, 0.8);fill:rgba(232,232,232, 0.8);}#mermaid-svg-IFGjd4LaRzUIWpci .label-icon{display:inline-block;height:1em;overflow:visible;vertical-align:-0.125em;}#mermaid-svg-IFGjd4LaRzUIWpci .node .label-icon path{fill:currentColor;stroke:revert;stroke-width:revert;}#mermaid-svg-IFGjd4LaRzUIWpci :root{&#8211;mermaid-font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;}<\/p>\n<p>           <span class=\"nodeLabel\"><\/p>\n<p>Vite \u5f00\u53d1\u6a21\u5f0f<\/p>\n<p><\/span><\/p>\n<p>           <span class=\"edgeLabel\"><\/span><\/p>\n<p>           <span class=\"edgeLabel\"><\/span><\/p>\n<p>           <span class=\"edgeLabel\"><\/span><\/p>\n<p>           <span class=\"nodeLabel\"><\/p>\n<p>\u542f\u52a8<\/p>\n<p><\/span><\/p>\n<p>           <span class=\"nodeLabel\"><\/p>\n<p>\u542f\u52a8 dev server<\/p>\n<p><\/span><\/p>\n<p>           <span class=\"nodeLabel\"><\/p>\n<p>\u6309\u9700\u7f16\u8bd1&#xff08;\u6d4f\u89c8\u5668\u8bf7\u6c42\u54ea\u4e2a\u6587\u4ef6\u7f16\u8bd1\u54ea\u4e2a&#xff09;<\/p>\n<p><\/span><\/p>\n<p>           <span class=\"nodeLabel\"><\/p>\n<p>\u5feb&#xff08;\u6beb\u79d2\u7ea7&#xff09;<\/p>\n<p><\/span><\/p>\n<p>           <span class=\"nodeLabel\"><\/p>\n<p>webpack \u5f00\u53d1\u6a21\u5f0f<\/p>\n<p><\/span><\/p>\n<p>           <span class=\"edgeLabel\"><\/span><\/p>\n<p>           <span class=\"edgeLabel\"><\/span><\/p>\n<p>           <span class=\"edgeLabel\"><\/span><\/p>\n<p>           <span class=\"nodeLabel\"><\/p>\n<p>\u542f\u52a8<\/p>\n<p><\/span><\/p>\n<p>           <span class=\"nodeLabel\"><\/p>\n<p>\u6253\u5305\u6574\u4e2a\u5e94\u7528<\/p>\n<p><\/span><\/p>\n<p>           <span class=\"nodeLabel\"><\/p>\n<p>\u542f\u52a8 dev server<\/p>\n<p><\/span><\/p>\n<p>           <span class=\"nodeLabel\"><\/p>\n<p>\u6162&#xff08;\u5927\u578b\u5e94\u7528\u6570\u5206\u949f&#xff09;<\/p>\n<p><\/span><\/p>\n<p>\u6838\u5fc3\u539f\u7406&#xff1a;Vite \u5229\u7528\u6d4f\u89c8\u5668\u539f\u751f\u7684 ES Module\u2014\u2014\u5f00\u53d1\u65f6\u4e0d\u9700\u8981\u6253\u5305&#xff0c;\u6d4f\u89c8\u5668\u8bf7\u6c42\u54ea\u4e2a\u6587\u4ef6&#xff0c;Vite \u5c31\u7f16\u8bd1\u54ea\u4e2a\u6587\u4ef6&#xff0c;\u542f\u52a8\u65f6\u95f4\u4e0e\u5e94\u7528\u5927\u5c0f\u65e0\u5173\u3002<\/p>\n<h4>8.3 \u521b\u5efa Vue3 \u9879\u76ee<\/h4>\n<p><span class=\"token comment\"># \u4f7f\u7528 create-vue&#xff08;\u5b98\u65b9\u811a\u624b\u67b6&#xff09;<\/span><br \/>\n<span class=\"token function\">npm<\/span> create vue&#064;latest my-app<\/p>\n<p><span class=\"token comment\"># \u6216\u4f7f\u7528 Vite<\/span><br \/>\n<span class=\"token function\">npm<\/span> create vite&#064;latest my-app &#8212; <span class=\"token parameter variable\">&#8211;template<\/span> vue<\/p>\n<h4>8.4 Vite \u914d\u7f6e\u4e0e\u4f18\u5316<\/h4>\n<p>vite.config.js \u5e38\u7528\u914d\u7f6e&#xff1a;<\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">{<\/span> defineConfig <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;vite&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> vue <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;&#064;vitejs\/plugin-vue&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">{<\/span> resolve <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;path&#039;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">export<\/span> <span class=\"token keyword\">default<\/span> <span class=\"token function\">defineConfig<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token literal-property property\">plugins<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token function\">vue<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  <span class=\"token literal-property property\">resolve<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token literal-property property\">alias<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token string-property property\">&#039;&#064;&#039;<\/span><span class=\"token operator\">:<\/span> <span class=\"token function\">resolve<\/span><span class=\"token punctuation\">(<\/span>__dirname<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;.\/src&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  <span class=\"token literal-property property\">server<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token literal-property property\">port<\/span><span class=\"token operator\">:<\/span> <span class=\"token number\">3000<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token literal-property property\">open<\/span><span class=\"token operator\">:<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token literal-property property\">proxy<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token string-property property\">&#039;\/api&#039;<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token literal-property property\">target<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;http:\/\/localhost:8080&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token literal-property property\">changeOrigin<\/span><span class=\"token operator\">:<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token function-variable function\">rewrite<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token parameter\">path<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> path<span class=\"token punctuation\">.<\/span><span class=\"token function\">replace<\/span><span class=\"token punctuation\">(<\/span><span class=\"token regex\"><span class=\"token regex-delimiter\">\/<\/span><span class=\"token regex-source language-regex\">^\\\\\/api<\/span><span class=\"token regex-delimiter\">\/<\/span><\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n      <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  <span class=\"token literal-property property\">build<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token literal-property property\">outDir<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;dist&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token literal-property property\">assetsDir<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;assets&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token literal-property property\">sourcemap<\/span><span class=\"token operator\">:<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token literal-property property\">rollupOptions<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token literal-property property\">output<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token literal-property property\">manualChunks<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n          <span class=\"token literal-property property\">vendor<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token string\">&#039;vue&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;vue-router&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;pinia&#039;<\/span><span class=\"token punctuation\">]<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n      <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>Vite \u4f18\u5316\u8981\u70b9&#xff1a;<\/p>\n<table>\n<tr>\u4f18\u5316\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>\u8def\u5f84\u522b\u540d<\/td>\n<td>&#064; \u6307\u5411 src&#xff0c;\u7b80\u5316\u5bfc\u5165\u8def\u5f84<\/td>\n<\/tr>\n<tr>\n<td>\u5f00\u53d1\u4ee3\u7406<\/td>\n<td>\u89e3\u51b3\u5f00\u53d1\u73af\u5883\u8de8\u57df\u95ee\u9898<\/td>\n<\/tr>\n<tr>\n<td>\u4ee3\u7801\u5206\u5272<\/td>\n<td>manualChunks \u62c6\u5206 vendor \u5305<\/td>\n<\/tr>\n<tr>\n<td>\u751f\u4ea7 sourcemap<\/td>\n<td>\u751f\u4ea7\u73af\u5883\u5173\u95ed&#xff0c;\u51cf\u5c0f\u4f53\u79ef<\/td>\n<\/tr>\n<tr>\n<td>\u73af\u5883\u53d8\u91cf<\/td>\n<td>.env.development \/ .env.production<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>8.5 Vite \u5e38\u89c1\u95ee\u9898<\/h4>\n<table>\n<tr>#\u95ee\u9898\u89e3\u51b3\u65b9\u6848<\/tr>\n<tbody>\n<tr>\n<td>1<\/td>\n<td>\u5f00\u53d1\u73af\u5883\u8de8\u57df<\/td>\n<td>\u914d\u7f6e server.proxy \u4ee3\u7406<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>\u8def\u5f84\u522b\u540d\u4e0d\u751f\u6548<\/td>\n<td>\u914d\u7f6e resolve.alias<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>\u751f\u4ea7\u6784\u5efa\u6162<\/td>\n<td>\u914d\u7f6e manualChunks \u62c6\u5206 vendor<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>\u9759\u6001\u8d44\u6e90\u8def\u5f84\u4e0d\u5bf9<\/td>\n<td>\u914d\u7f6e base \u4e3a\u5b50\u8def\u5f84<\/td>\n<\/tr>\n<tr>\n<td>5<\/td>\n<td>HMR \u4e0d\u751f\u6548<\/td>\n<td>\u68c0\u67e5\u6587\u4ef6\u8def\u5f84\u548c\u7f13\u5b58<\/td>\n<\/tr>\n<tr>\n<td>6<\/td>\n<td>\u73af\u5883\u53d8\u91cf\u4e0d\u751f\u6548<\/td>\n<td>\u7528 import.meta.env.VITE_XXX<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u73af\u5883\u53d8\u91cf\u4f7f\u7528&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ .env.development<\/span><br \/>\n<span class=\"token constant\">VITE_API_BASE_URL<\/span><span class=\"token operator\">&#061;<\/span>http<span class=\"token operator\">:<\/span><span class=\"token operator\">\/<\/span><span class=\"token operator\">\/<\/span>localhost<span class=\"token operator\">:<\/span><span class=\"token number\">8080<\/span><span class=\"token operator\">\/<\/span>api<\/p>\n<p><span class=\"token comment\">\/\/ .env.production<\/span><br \/>\n<span class=\"token constant\">VITE_API_BASE_URL<\/span><span class=\"token operator\">&#061;<\/span>https<span class=\"token operator\">:<\/span><span class=\"token operator\">\/<\/span><span class=\"token operator\">\/<\/span>api<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>com<\/p>\n<p><span class=\"token comment\">\/\/ \u4ee3\u7801\u4e2d\u4f7f\u7528<\/span><br \/>\n<span class=\"token keyword\">const<\/span> apiBaseUrl <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">import<\/span><span class=\"token punctuation\">.<\/span>meta<span class=\"token punctuation\">.<\/span>env<span class=\"token punctuation\">.<\/span><span class=\"token constant\">VITE_API_BASE_URL<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h4>8.6 Vite \u4e0e webpack \u8fc1\u79fb<\/h4>\n<p>\u8fc1\u79fb\u6b65\u9aa4&#xff1a;<\/p>\n<table>\n<tr>\u6b65\u9aa4\u5de5\u4f5c\u5185\u5bb9<\/tr>\n<tbody>\n<tr>\n<td>1<\/td>\n<td>\u5b89\u88c5 Vite &#043; &#064;vitejs\/plugin-vue<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>\u521b\u5efa vite.config.js<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>\u8fc1\u79fb index.html \u5230\u6839\u76ee\u5f55<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>\u8fc1\u79fb\u9759\u6001\u8d44\u6e90\u5230 public\/<\/td>\n<\/tr>\n<tr>\n<td>5<\/td>\n<td>\u66ff\u6362 webpack \u7279\u6709\u7684 loader\/plugin<\/td>\n<\/tr>\n<tr>\n<td>6<\/td>\n<td>\u6d4b\u8bd5\u5f00\u53d1\u73af\u5883\u548c\u751f\u4ea7\u6784\u5efa<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u5e38\u89c1\u8fc1\u79fb\u5751&#xff1a;<\/p>\n<table>\n<tr>\u5751\u89e3\u51b3\u65b9\u6848<\/tr>\n<tbody>\n<tr>\n<td>require \u4e0d\u652f\u6301<\/td>\n<td>\u7528 import \u66ff\u4ee3<\/td>\n<\/tr>\n<tr>\n<td>require.context \u4e0d\u652f\u6301<\/td>\n<td>\u7528 import.meta.glob \u66ff\u4ee3<\/td>\n<\/tr>\n<tr>\n<td>process.env \u4e0d\u652f\u6301<\/td>\n<td>\u7528 import.meta.env \u66ff\u4ee3<\/td>\n<\/tr>\n<tr>\n<td>\u9759\u6001\u8d44\u6e90\u8def\u5f84\u4e0d\u5bf9<\/td>\n<td>\u8fc1\u79fb\u5230 public\/ \u6216\u7528 import \u5f15\u5165<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>8.7 Vite \u7684\u63d2\u4ef6\u751f\u6001<\/h4>\n<table>\n<tr>\u63d2\u4ef6\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>&#064;vitejs\/plugin-vue<\/td>\n<td>Vue 3 \u652f\u6301<\/td>\n<\/tr>\n<tr>\n<td>&#064;vitejs\/plugin-vue-jsx<\/td>\n<td>JSX \u652f\u6301<\/td>\n<\/tr>\n<tr>\n<td>&#064;vitejs\/plugin-react<\/td>\n<td>React \u652f\u6301<\/td>\n<\/tr>\n<tr>\n<td>vite-plugin-windicss<\/td>\n<td>Windi CSS&#xff08;\u539f\u5b50\u5316 CSS&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>vite-plugin-mock<\/td>\n<td>Mock \u6570\u636e<\/td>\n<\/tr>\n<tr>\n<td>vite-plugin-compression<\/td>\n<td>\u751f\u4ea7\u6784\u5efa\u538b\u7f29<\/td>\n<\/tr>\n<tr>\n<td>vite-plugin-pwa<\/td>\n<td>PWA \u652f\u6301<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u5e38\u7528\u63d2\u4ef6\u914d\u7f6e&#xff1a;<\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">{<\/span> defineConfig <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;vite&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> vue <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;&#064;vitejs\/plugin-vue&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> vueJsx <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;&#064;vitejs\/plugin-vue-jsx&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> WindiCSS <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;vite-plugin-windicss&#039;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">export<\/span> <span class=\"token keyword\">default<\/span> <span class=\"token function\">defineConfig<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token literal-property property\">plugins<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">[<\/span><br \/>\n    <span class=\"token function\">vue<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token function\">vueJsx<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token function\">WindiCSS<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n  <span class=\"token punctuation\">]<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h4>8.8 Vite \u7684\u6027\u80fd\u4f18\u5316<\/h4>\n<table>\n<tr>\u4f18\u5316\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>\u4f9d\u8d56\u9884\u6784\u5efa<\/td>\n<td>Vite \u81ea\u52a8\u9884\u6784\u5efa\u4f9d\u8d56&#xff0c;\u63d0\u5347\u51b7\u542f\u52a8\u901f\u5ea6<\/td>\n<\/tr>\n<tr>\n<td>\u4ee3\u7801\u5206\u5272<\/td>\n<td>manualChunks \u62c6\u5206 vendor \u5305<\/td>\n<\/tr>\n<tr>\n<td>\u61d2\u52a0\u8f7d<\/td>\n<td>\u8def\u7531\u7ea7\u61d2\u52a0\u8f7d&#xff0c;\u6309\u9700\u52a0\u8f7d<\/td>\n<\/tr>\n<tr>\n<td>\u538b\u7f29<\/td>\n<td>\u751f\u4ea7\u6784\u5efa\u81ea\u52a8\u538b\u7f29&#xff08;gzip\/brotli&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>CDN<\/td>\n<td>\u9759\u6001\u8d44\u6e90\u7528 CDN \u52a0\u901f<\/td>\n<\/tr>\n<tr>\n<td>\u7f13\u5b58<\/td>\n<td>\u5229\u7528\u6d4f\u89c8\u5668\u7f13\u5b58&#xff0c;\u63d0\u5347\u4e8c\u6b21\u8bbf\u95ee\u901f\u5ea6<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u6027\u80fd\u4f18\u5316\u6700\u4f73\u5b9e\u8df5&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ vite.config.js<\/span><br \/>\n<span class=\"token keyword\">export<\/span> <span class=\"token keyword\">default<\/span> <span class=\"token function\">defineConfig<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token literal-property property\">build<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token literal-property property\">rollupOptions<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token literal-property property\">output<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token literal-property property\">manualChunks<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n          <span class=\"token comment\">\/\/ \u62c6\u5206\u7b2c\u4e09\u65b9\u5e93<\/span><br \/>\n          <span class=\"token literal-property property\">vendor<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token string\">&#039;vue&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;vue-router&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;pinia&#039;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n          <span class=\"token comment\">\/\/ \u62c6\u5206 UI \u7ec4\u4ef6\u5e93<\/span><br \/>\n          <span class=\"token literal-property property\">ui<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token string\">&#039;element-plus&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;ant-design-vue&#039;<\/span><span class=\"token punctuation\">]<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n      <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u6784\u5efa\u538b\u7f29<\/span><br \/>\n    <span class=\"token literal-property property\">minify<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;terser&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token literal-property property\">terserOptions<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token literal-property property\">compress<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token literal-property property\">drop_console<\/span><span class=\"token operator\">:<\/span> <span class=\"token boolean\">true<\/span> <span class=\"token comment\">\/\/ \u751f\u4ea7\u73af\u5883\u79fb\u9664 console<\/span><br \/>\n      <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<hr \/>\n<h3>9. Vue Router 4<\/h3>\n<h4>9.1 Vue Router 4 \u7684\u53d8\u5316<\/h4>\n<p>Vue Router 4 \u662f Vue3 \u5bf9\u5e94\u7684\u8def\u7531\u7248\u672c&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ router\/index.js<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">{<\/span> createRouter<span class=\"token punctuation\">,<\/span> createWebHistory <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;vue-router&#039;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">const<\/span> routes <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><br \/>\n  <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token literal-property property\">path<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;\/&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token literal-property property\">name<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;Home&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token function-variable function\">component<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token keyword\">import<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;&#064;\/views\/Home.vue&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token literal-property property\">path<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;\/about&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token literal-property property\">name<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;About&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token function-variable function\">component<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token keyword\">import<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;&#064;\/views\/About.vue&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">const<\/span> router <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">createRouter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token literal-property property\">history<\/span><span class=\"token operator\">:<\/span> <span class=\"token function\">createWebHistory<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  routes<br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">export<\/span> <span class=\"token keyword\">default<\/span> router<span class=\"token punctuation\">;<\/span><\/p>\n<h4>9.2 \u5728\u7ec4\u4ef6\u4e2d\u4f7f\u7528\u8def\u7531<\/h4>\n<p>&lt;script setup&gt;<br \/>\nimport { useRouter, useRoute } from &#039;vue-router&#039;;<\/p>\n<p>const router &#061; useRouter();<br \/>\nconst route &#061; useRoute();<\/p>\n<p>\/\/ \u7f16\u7a0b\u5f0f\u5bfc\u822a<br \/>\nfunction goAbout() {<br \/>\n  router.push(&#039;\/about&#039;);<br \/>\n}<\/p>\n<p>\/\/ \u83b7\u53d6\u8def\u7531\u53c2\u6570<br \/>\nconsole.log(route.params.id);<br \/>\n&lt;\/script&gt;<\/p>\n<h4>9.3 Vue Router 4 \u8fdb\u9636&#xff1a;\u5bfc\u822a\u5b88\u536b<\/h4>\n<p><span class=\"token comment\">\/\/ router\/index.js<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">{<\/span> createRouter<span class=\"token punctuation\">,<\/span> createWebHistory <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;vue-router&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">{<\/span> useUserStore <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">from<\/span> <span class=\"token string\">&#039;&#064;\/stores\/user&#039;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">const<\/span> routes <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><br \/>\n  <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token literal-property property\">path<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;\/login&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token literal-property property\">name<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;Login&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token function-variable function\">component<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token keyword\">import<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;&#064;\/views\/Login.vue&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token literal-property property\">path<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;\/dashboard&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token literal-property property\">name<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;Dashboard&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token function-variable function\">component<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token keyword\">import<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;&#064;\/views\/Dashboard.vue&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token literal-property property\">meta<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token literal-property property\">requiresAuth<\/span><span class=\"token operator\">:<\/span> <span class=\"token boolean\">true<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/\/ \u9700\u8981\u767b\u5f55<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token literal-property property\">path<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;\/admin&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token literal-property property\">name<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;Admin&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token function-variable function\">component<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token keyword\">import<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;&#064;\/views\/Admin.vue&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token literal-property property\">meta<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token literal-property property\">requiresAuth<\/span><span class=\"token operator\">:<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token literal-property property\">requiresAdmin<\/span><span class=\"token operator\">:<\/span> <span class=\"token boolean\">true<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/\/ \u9700\u8981\u7ba1\u7406\u5458<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">const<\/span> router <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">createRouter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token literal-property property\">history<\/span><span class=\"token operator\">:<\/span> <span class=\"token function\">createWebHistory<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  routes<br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5168\u5c40\u524d\u7f6e\u5b88\u536b<\/span><br \/>\nrouter<span class=\"token punctuation\">.<\/span><span class=\"token function\">beforeEach<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token parameter\">to<span class=\"token punctuation\">,<\/span> from<span class=\"token punctuation\">,<\/span> next<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> userStore <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">useUserStore<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token comment\">\/\/ \u9700\u8981\u767b\u5f55\u7684\u9875\u9762<\/span><br \/>\n  <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>to<span class=\"token punctuation\">.<\/span>meta<span class=\"token punctuation\">.<\/span>requiresAuth <span class=\"token operator\">&amp;&amp;<\/span> <span class=\"token operator\">!<\/span>userStore<span class=\"token punctuation\">.<\/span>isLoggedIn<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">next<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;\/login&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token comment\">\/\/ \u9700\u8981\u7ba1\u7406\u5458\u7684\u9875\u9762<\/span><br \/>\n  <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>to<span class=\"token punctuation\">.<\/span>meta<span class=\"token punctuation\">.<\/span>requiresAdmin <span class=\"token operator\">&amp;&amp;<\/span> <span class=\"token operator\">!<\/span>userStore<span class=\"token punctuation\">.<\/span>isAdmin<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">next<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;\/dashboard&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token comment\">\/\/ \u6b63\u5e38\u653e\u884c<\/span><br \/>\n  <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">next<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">export<\/span> <span class=\"token keyword\">default<\/span> router<span class=\"token punctuation\">;<\/span><\/p>\n<p>\u8def\u7531\u61d2\u52a0\u8f7d&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u8def\u7531\u7ea7\u4ee3\u7801\u5206\u5272&#xff0c;\u6309\u9700\u52a0\u8f7d<\/span><br \/>\n<span class=\"token keyword\">const<\/span> routes <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><br \/>\n  <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token literal-property property\">path<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;\/about&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token function-variable function\">component<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token keyword\">import<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;&#064;\/views\/About.vue&#039;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token comment\">\/\/ \u61d2\u52a0\u8f7d<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h4>9.4 Vue Router 4 \u5e38\u89c1\u95ee\u9898<\/h4>\n<table>\n<tr>#\u95ee\u9898\u89e3\u51b3\u65b9\u6848<\/tr>\n<tbody>\n<tr>\n<td>1<\/td>\n<td>\u8def\u7531\u5b88\u536b\u4e0d\u751f\u6548<\/td>\n<td>\u68c0\u67e5\u5b88\u536b\u6ce8\u518c\u4f4d\u7f6e\u548c next() \u8c03\u7528<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>\u8def\u7531\u53c2\u6570\u4e0d\u54cd\u5e94<\/td>\n<td>\u7528 watch(() &#061;&gt; route.params.id) \u76d1\u542c<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>\u52a8\u6001\u8def\u7531\u4e0d\u66f4\u65b0<\/td>\n<td>\u7ed9 router-view \u52a0 :key&#061;&#034;$route.fullPath&#034;<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>\u8def\u7531\u8df3\u8f6c\u6b7b\u5faa\u73af<\/td>\n<td>\u68c0\u67e5\u5b88\u536b\u6761\u4ef6&#xff0c;\u907f\u514d\u65e0\u9650\u91cd\u5b9a\u5411<\/td>\n<\/tr>\n<tr>\n<td>5<\/td>\n<td>404 \u9875\u9762\u4e0d\u751f\u6548<\/td>\n<td>\u914d\u7f6e path: &#039;\/:pathMatch(.*)*&#039; \u901a\u914d\u8def\u7531<\/td>\n<\/tr>\n<tr>\n<td>6<\/td>\n<td>\u8def\u7531\u5143\u4fe1\u606f\u4e0d\u751f\u6548<\/td>\n<td>\u68c0\u67e5 meta \u914d\u7f6e\u548c\u7c7b\u578b\u58f0\u660e<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u6700\u4f73\u5b9e\u8df5&#xff1a;<\/p>\n<p>&lt;script setup&gt;<br \/>\nimport { useRoute } from &#039;vue-router&#039;;<\/p>\n<p>const route &#061; useRoute();<\/p>\n<p>\/\/ \u76d1\u542c\u8def\u7531\u53c2\u6570\u53d8\u5316<br \/>\nwatch(() &#061;&gt; route.params.id, (newId) &#061;&gt; {<br \/>\n  \/\/ \u6839\u636e\u65b0 id \u91cd\u65b0\u52a0\u8f7d\u6570\u636e<br \/>\n  loadData(newId);<br \/>\n});<br \/>\n&lt;\/script&gt;<\/p>\n<h4>9.5 Vue Router \u7684\u61d2\u52a0\u8f7d\u4e0e\u4ee3\u7801\u5206\u5272<\/h4>\n<p>\u8def\u7531\u61d2\u52a0\u8f7d\u662f\u4f18\u5316\u9996\u5c4f\u52a0\u8f7d\u7684\u5173\u952e\u624b\u6bb5&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ 1. \u8def\u7531\u7ea7\u61d2\u52a0\u8f7d<\/span><br \/>\n<span class=\"token keyword\">const<\/span> routes <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><br \/>\n  <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token literal-property property\">path<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;\/dashboard&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token function-variable function\">component<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token keyword\">import<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;&#064;\/views\/Dashboard.vue&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ 2. \u6309\u7ec4\u5206\u5305<\/span><br \/>\n<span class=\"token keyword\">const<\/span> routes <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><br \/>\n  <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token literal-property property\">path<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;\/admin&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token function-variable function\">component<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token keyword\">import<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;&#064;\/layouts\/AdminLayout.vue&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token literal-property property\">children<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">[<\/span><br \/>\n      <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token literal-property property\">path<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;users&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token function-variable function\">component<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token keyword\">import<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;&#064;\/views\/admin\/Users.vue&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n      <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token literal-property property\">path<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;settings&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token function-variable function\">component<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token keyword\">import<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;&#064;\/views\/admin\/Settings.vue&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n      <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">]<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ 3. \u9884\u52a0\u8f7d&#xff08;prefetch&#xff09;<\/span><br \/>\n<span class=\"token keyword\">const<\/span> Dashboard <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">defineAsyncComponent<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token function-variable function\">loader<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token keyword\">import<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;&#064;\/views\/Dashboard.vue&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  <span class=\"token literal-property property\">loadingComponent<\/span><span class=\"token operator\">:<\/span> LoadingSpinner<span class=\"token punctuation\">,<\/span><br \/>\n  <span class=\"token literal-property property\">delay<\/span><span class=\"token operator\">:<\/span> <span class=\"token number\">200<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token comment\">\/\/ 200ms \u540e\u663e\u793a loading<\/span><br \/>\n  <span class=\"token literal-property property\">timeout<\/span><span class=\"token operator\">:<\/span> <span class=\"token number\">3000<\/span> <span class=\"token comment\">\/\/ 3s \u8d85\u65f6<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u4ee3\u7801\u5206\u5272\u6700\u4f73\u5b9e\u8df5&#xff1a;<\/p>\n<table>\n<tr>\u5b9e\u8df5\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>\u8def\u7531\u7ea7\u61d2\u52a0\u8f7d<\/td>\n<td>\u6bcf\u4e2a\u8def\u7531\u4e00\u4e2a chunk<\/td>\n<\/tr>\n<tr>\n<td>\u6309\u7ec4\u5206\u5305<\/td>\n<td>\u76f8\u5173\u8def\u7531\u653e\u4e00\u4e2a chunk<\/td>\n<\/tr>\n<tr>\n<td>\u5927\u7ec4\u4ef6\u61d2\u52a0\u8f7d<\/td>\n<td>\u5f39\u7a97\u3001\u8868\u683c\u7b49\u5927\u7ec4\u4ef6\u61d2\u52a0\u8f7d<\/td>\n<\/tr>\n<tr>\n<td>\u7b2c\u4e09\u65b9\u5e93\u5206\u5305<\/td>\n<td>vendor \u5305\u5355\u72ec\u6253\u5305<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h3>10. Nuxt 3 SSR\/\u5143\u6846\u67b6<\/h3>\n<h4>10.1 \u4ec0\u4e48\u662f Nuxt<\/h4>\n<p>Nuxt \u662f\u57fa\u4e8e Vue3 \u7684\u5143\u6846\u67b6&#xff08;Meta-framework&#xff09;\u2014\u2014\u5b83\u63d0\u4f9b SSR&#xff08;\u670d\u52a1\u7aef\u6e32\u67d3&#xff09;\u3001SSG&#xff08;\u9759\u6001\u7ad9\u70b9\u751f\u6210&#xff09;\u3001\u6587\u4ef6\u8def\u7531\u7b49\u80fd\u529b&#xff1a;<\/p>\n<table>\n<tr>\u7279\u6027\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>SSR<\/td>\n<td>\u670d\u52a1\u7aef\u6e32\u67d3&#xff0c;\u9996\u5c4f\u66f4\u5feb<\/td>\n<\/tr>\n<tr>\n<td>SSG<\/td>\n<td>\u9759\u6001\u7ad9\u70b9\u751f\u6210&#xff0c;SEO \u53cb\u597d<\/td>\n<\/tr>\n<tr>\n<td>\u6587\u4ef6\u8def\u7531<\/td>\n<td>\u6587\u4ef6\u5373\u8def\u7531&#xff0c;\u65e0\u9700\u914d\u7f6e<\/td>\n<\/tr>\n<tr>\n<td>\u81ea\u52a8\u5bfc\u5165<\/td>\n<td>\u7ec4\u4ef6\u3001composables \u81ea\u52a8\u5bfc\u5165<\/td>\n<\/tr>\n<tr>\n<td>\u5e03\u5c40\u7cfb\u7edf<\/td>\n<td>\u53ef\u590d\u7528\u7684\u5e03\u5c40\u7ec4\u4ef6<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>10.2 Nuxt 3 \u7684\u6838\u5fc3\u4f18\u52bf<\/h4>\n<p>  #mermaid-svg-moR14p6xOPQC7yBq{font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;font-size:16px;fill:#333;}@keyframes edge-animation-frame{from{stroke-dashoffset:0;}}@keyframes dash{to{stroke-dashoffset:0;}}#mermaid-svg-moR14p6xOPQC7yBq .edge-animation-slow{stroke-dasharray:9,5!important;stroke-dashoffset:900;animation:dash 50s linear infinite;stroke-linecap:round;}#mermaid-svg-moR14p6xOPQC7yBq .edge-animation-fast{stroke-dasharray:9,5!important;stroke-dashoffset:900;animation:dash 20s linear infinite;stroke-linecap:round;}#mermaid-svg-moR14p6xOPQC7yBq .error-icon{fill:#552222;}#mermaid-svg-moR14p6xOPQC7yBq .error-text{fill:#552222;stroke:#552222;}#mermaid-svg-moR14p6xOPQC7yBq .edge-thickness-normal{stroke-width:1px;}#mermaid-svg-moR14p6xOPQC7yBq .edge-thickness-thick{stroke-width:3.5px;}#mermaid-svg-moR14p6xOPQC7yBq .edge-pattern-solid{stroke-dasharray:0;}#mermaid-svg-moR14p6xOPQC7yBq .edge-thickness-invisible{stroke-width:0;fill:none;}#mermaid-svg-moR14p6xOPQC7yBq .edge-pattern-dashed{stroke-dasharray:3;}#mermaid-svg-moR14p6xOPQC7yBq .edge-pattern-dotted{stroke-dasharray:2;}#mermaid-svg-moR14p6xOPQC7yBq .marker{fill:#333333;stroke:#333333;}#mermaid-svg-moR14p6xOPQC7yBq .marker.cross{stroke:#333333;}#mermaid-svg-moR14p6xOPQC7yBq svg{font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;font-size:16px;}#mermaid-svg-moR14p6xOPQC7yBq p{margin:0;}#mermaid-svg-moR14p6xOPQC7yBq .label{font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;color:#333;}#mermaid-svg-moR14p6xOPQC7yBq .cluster-label text{fill:#333;}#mermaid-svg-moR14p6xOPQC7yBq .cluster-label span{color:#333;}#mermaid-svg-moR14p6xOPQC7yBq .cluster-label span p{background-color:transparent;}#mermaid-svg-moR14p6xOPQC7yBq .label text,#mermaid-svg-moR14p6xOPQC7yBq span{fill:#333;color:#333;}#mermaid-svg-moR14p6xOPQC7yBq .node rect,#mermaid-svg-moR14p6xOPQC7yBq .node circle,#mermaid-svg-moR14p6xOPQC7yBq .node ellipse,#mermaid-svg-moR14p6xOPQC7yBq .node polygon,#mermaid-svg-moR14p6xOPQC7yBq .node path{fill:#ECECFF;stroke:#9370DB;stroke-width:1px;}#mermaid-svg-moR14p6xOPQC7yBq .rough-node .label text,#mermaid-svg-moR14p6xOPQC7yBq .node .label text,#mermaid-svg-moR14p6xOPQC7yBq .image-shape .label,#mermaid-svg-moR14p6xOPQC7yBq .icon-shape .label{text-anchor:middle;}#mermaid-svg-moR14p6xOPQC7yBq .node .katex path{fill:#000;stroke:#000;stroke-width:1px;}#mermaid-svg-moR14p6xOPQC7yBq .rough-node .label,#mermaid-svg-moR14p6xOPQC7yBq .node .label,#mermaid-svg-moR14p6xOPQC7yBq .image-shape .label,#mermaid-svg-moR14p6xOPQC7yBq .icon-shape .label{text-align:center;}#mermaid-svg-moR14p6xOPQC7yBq .node.clickable{cursor:pointer;}#mermaid-svg-moR14p6xOPQC7yBq .root .anchor path{fill:#333333!important;stroke-width:0;stroke:#333333;}#mermaid-svg-moR14p6xOPQC7yBq .arrowheadPath{fill:#333333;}#mermaid-svg-moR14p6xOPQC7yBq .edgePath .path{stroke:#333333;stroke-width:2.0px;}#mermaid-svg-moR14p6xOPQC7yBq .flowchart-link{stroke:#333333;fill:none;}#mermaid-svg-moR14p6xOPQC7yBq .edgeLabel{background-color:rgba(232,232,232, 0.8);text-align:center;}#mermaid-svg-moR14p6xOPQC7yBq .edgeLabel p{background-color:rgba(232,232,232, 0.8);}#mermaid-svg-moR14p6xOPQC7yBq .edgeLabel rect{opacity:0.5;background-color:rgba(232,232,232, 0.8);fill:rgba(232,232,232, 0.8);}#mermaid-svg-moR14p6xOPQC7yBq .labelBkg{background-color:rgba(232, 232, 232, 0.5);}#mermaid-svg-moR14p6xOPQC7yBq .cluster rect{fill:#ffffde;stroke:#aaaa33;stroke-width:1px;}#mermaid-svg-moR14p6xOPQC7yBq .cluster text{fill:#333;}#mermaid-svg-moR14p6xOPQC7yBq .cluster span{color:#333;}#mermaid-svg-moR14p6xOPQC7yBq div.mermaidTooltip{position:absolute;text-align:center;max-width:200px;padding:2px;font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;font-size:12px;background:hsl(80, 100%, 96.2745098039%);border:1px solid #aaaa33;border-radius:2px;pointer-events:none;z-index:100;}#mermaid-svg-moR14p6xOPQC7yBq .flowchartTitleText{text-anchor:middle;font-size:18px;fill:#333;}#mermaid-svg-moR14p6xOPQC7yBq rect.text{fill:none;stroke-width:0;}#mermaid-svg-moR14p6xOPQC7yBq .icon-shape,#mermaid-svg-moR14p6xOPQC7yBq .image-shape{background-color:rgba(232,232,232, 0.8);text-align:center;}#mermaid-svg-moR14p6xOPQC7yBq .icon-shape p,#mermaid-svg-moR14p6xOPQC7yBq .image-shape p{background-color:rgba(232,232,232, 0.8);padding:2px;}#mermaid-svg-moR14p6xOPQC7yBq .icon-shape .label rect,#mermaid-svg-moR14p6xOPQC7yBq .image-shape .label rect{opacity:0.5;background-color:rgba(232,232,232, 0.8);fill:rgba(232,232,232, 0.8);}#mermaid-svg-moR14p6xOPQC7yBq .label-icon{display:inline-block;height:1em;overflow:visible;vertical-align:-0.125em;}#mermaid-svg-moR14p6xOPQC7yBq .node .label-icon path{fill:currentColor;stroke:revert;stroke-width:revert;}#mermaid-svg-moR14p6xOPQC7yBq :root{&#8211;mermaid-font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;}<\/p>\n<p>           <span class=\"nodeLabel\"><\/p>\n<p>Nuxt SSR<\/p>\n<p><\/span><\/p>\n<p>           <span class=\"edgeLabel\"><\/span><\/p>\n<p>           <span class=\"edgeLabel\"><\/span><\/p>\n<p>           <span class=\"edgeLabel\"><\/span><\/p>\n<p>           <span class=\"nodeLabel\"><\/p>\n<p>\u6d4f\u89c8\u5668\u8bf7\u6c42<\/p>\n<p><\/span><\/p>\n<p>           <span class=\"nodeLabel\"><\/p>\n<p>\u670d\u52a1\u7aef\u6e32\u67d3 HTML<\/p>\n<p><\/span><\/p>\n<p>           <span class=\"nodeLabel\"><\/p>\n<p>\u76f4\u63a5\u8fd4\u56de\u5b8c\u6574 HTML<\/p>\n<p><\/span><\/p>\n<p>           <span class=\"nodeLabel\"><\/p>\n<p>\u9996\u5c4f\u5feb &#043; SEO \u597d<\/p>\n<p><\/span><\/p>\n<p>           <span class=\"nodeLabel\"><\/p>\n<p>\u4f20\u7edf SPA<\/p>\n<p><\/span><\/p>\n<p>           <span class=\"edgeLabel\"><\/span><\/p>\n<p>           <span class=\"edgeLabel\"><\/span><\/p>\n<p>           <span class=\"edgeLabel\"><\/span><\/p>\n<p>           <span class=\"nodeLabel\"><\/p>\n<p>\u6d4f\u89c8\u5668\u8bf7\u6c42 HTML<\/p>\n<p><\/span><\/p>\n<p>           <span class=\"nodeLabel\"><\/p>\n<p>\u4e0b\u8f7d JS Bundle<\/p>\n<p><\/span><\/p>\n<p>           <span class=\"nodeLabel\"><\/p>\n<p>\u6d4f\u89c8\u5668\u6e32\u67d3<\/p>\n<p><\/span><\/p>\n<p>           <span class=\"nodeLabel\"><\/p>\n<p>\u9996\u5c4f\u6162 &#043; SEO \u5dee<\/p>\n<p><\/span><\/p>\n<p>\u9002\u7528\u573a\u666f&#xff1a;<\/p>\n<ul>\n<li>\u5185\u5bb9\u578b\u7f51\u7ad9&#xff08;\u535a\u5ba2\u3001\u6587\u6863\u3001\u8425\u9500\u9875&#xff09;&#xff1a;SSG \u9759\u6001\u751f\u6210&#xff1b;<\/li>\n<li>\u7535\u5546\/\u95e8\u6237&#xff1a;SSR \u670d\u52a1\u7aef\u6e32\u67d3&#xff0c;\u9996\u5c4f\u5feb&#xff1b;<\/li>\n<li>\u5927\u578b\u5e94\u7528&#xff1a;Nuxt \u7684\u6587\u4ef6\u8def\u7531\u548c\u81ea\u52a8\u5bfc\u5165\u63d0\u5347\u5f00\u53d1\u6548\u7387\u3002<\/li>\n<\/ul>\n<h4>10.3 Nuxt 3 \u5b9e\u6218&#xff1a;\u76ee\u5f55\u7ed3\u6784<\/h4>\n<p>my-nuxt-app\/<br \/>\n\u251c\u2500\u2500 assets\/          # \u672a\u7f16\u8bd1\u7684\u8d44\u6e90&#xff08;\u6837\u5f0f\u3001\u56fe\u7247&#xff09;<br \/>\n\u251c\u2500\u2500 components\/     # \u7ec4\u4ef6&#xff08;\u81ea\u52a8\u5bfc\u5165&#xff09;<br \/>\n\u251c\u2500\u2500 composables\/    # composable \u51fd\u6570&#xff08;\u81ea\u52a8\u5bfc\u5165&#xff09;<br \/>\n\u251c\u2500\u2500 layouts\/        # \u5e03\u5c40\u7ec4\u4ef6<br \/>\n\u251c\u2500\u2500 middleware\/      # \u8def\u7531\u4e2d\u95f4\u4ef6<br \/>\n\u251c\u2500\u2500 pages\/          # \u9875\u9762&#xff08;\u6587\u4ef6\u8def\u7531&#xff09;<br \/>\n\u251c\u2500\u2500 plugins\/        # \u63d2\u4ef6<br \/>\n\u251c\u2500\u2500 public\/         # \u9759\u6001\u6587\u4ef6<br \/>\n\u251c\u2500\u2500 server\/         # \u670d\u52a1\u7aef API<br \/>\n\u2514\u2500\u2500 nuxt.config.ts  # Nuxt \u914d\u7f6e<\/p>\n<p>\u6587\u4ef6\u8def\u7531\u793a\u4f8b&#xff1a;<\/p>\n<p>pages\/<br \/>\n\u251c\u2500\u2500 index.vue          # \u2192 \/<br \/>\n\u251c\u2500\u2500 about.vue          # \u2192 \/about<br \/>\n\u251c\u2500\u2500 products\/<br \/>\n\u2502   \u251c\u2500\u2500 index.vue      # \u2192 \/products<br \/>\n\u2502   \u2514\u2500\u2500 [id].vue      # \u2192 \/products\/:id<br \/>\n\u2514\u2500\u2500 blog\/<br \/>\n    \u2514\u2500\u2500 [slug].vue     # \u2192 \/blog\/:slug<\/p>\n<p>\u81ea\u52a8\u5bfc\u5165&#xff1a;<\/p>\n<p>&lt;script setup&gt;<br \/>\n\/\/ \u4e0d\u9700\u8981 import&#xff0c;Nuxt \u81ea\u52a8\u5bfc\u5165<br \/>\nconst products &#061; ref([]);<\/p>\n<p>\/\/ useFetch \u662f Nuxt \u5185\u7f6e\u7684 composable<br \/>\nconst { data: posts } &#061; await useFetch(&#039;\/api\/posts&#039;);<br \/>\n&lt;\/script&gt;<\/p>\n<h4>10.4 Nuxt 3 \u5e38\u89c1\u95ee\u9898<\/h4>\n<table>\n<tr>#\u95ee\u9898\u89e3\u51b3\u65b9\u6848<\/tr>\n<tbody>\n<tr>\n<td>1<\/td>\n<td>\u670d\u52a1\u7aef\/\u5ba2\u6237\u7aef\u4e0d\u517c\u5bb9<\/td>\n<td>\u7528 process.server \u6216 client-only \u7ec4\u4ef6<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>SSR hydration \u5931\u8d25<\/td>\n<td>\u68c0\u67e5\u6a21\u677f\u4e0d\u4e00\u81f4&#xff0c;\u907f\u514d\u670d\u52a1\u7aef\u6e32\u67d3\u65f6\u8bbf\u95ee window<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>API \u8bf7\u6c42\u91cd\u590d\u6267\u884c<\/td>\n<td>\u7528 useFetch \u7684\u7f13\u5b58\u7b56\u7565<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>\u8def\u7531\u5b88\u536b\u4e0d\u751f\u6548<\/td>\n<td>\u7528 middleware\/ \u76ee\u5f55\u7684\u4e2d\u95f4\u4ef6<\/td>\n<\/tr>\n<tr>\n<td>5<\/td>\n<td>\u9759\u6001\u751f\u6210\u5931\u8d25<\/td>\n<td>\u68c0\u67e5 nuxt generate \u9519\u8bef\u65e5\u5fd7<\/td>\n<\/tr>\n<tr>\n<td>6<\/td>\n<td>SEO \u4e0d\u53cb\u597d<\/td>\n<td>\u7528 useHead \u8bbe\u7f6e meta \u6807\u7b7e<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u6700\u4f73\u5b9e\u8df5&#xff1a;<\/p>\n<p>&lt;script setup&gt;<br \/>\n\/\/ SSR \u517c\u5bb9&#xff1a;\u53ea\u5728\u5ba2\u6237\u7aef\u6267\u884c<br \/>\nonMounted(() &#061;&gt; {<br \/>\n  \/\/ \u8fd9\u91cc\u7684\u4ee3\u7801\u53ea\u5728\u5ba2\u6237\u7aef\u6267\u884c<br \/>\n  initChart();<br \/>\n});<\/p>\n<p>\/\/ SEO&#xff1a;\u8bbe\u7f6e\u9875\u9762\u6807\u9898\u548c meta<br \/>\nuseHead({<br \/>\n  title: &#039;\u9996\u9875 &#8211; My App&#039;,<br \/>\n  meta: [<br \/>\n    { name: &#039;description&#039;, content: &#039;\u8fd9\u662f\u6211\u7684 Nuxt 3 \u5e94\u7528&#039; }<br \/>\n  ]<br \/>\n});<br \/>\n&lt;\/script&gt;<\/p>\n<h4>10.5 Nuxt 3 \u7684\u90e8\u7f72\u65b9\u6848<\/h4>\n<table>\n<tr>\u90e8\u7f72\u65b9\u5f0f\u8bf4\u660e\u9002\u7528\u573a\u666f<\/tr>\n<tbody>\n<tr>\n<td>Node.js \u670d\u52a1\u5668<\/td>\n<td>\u8fd0\u884c node .output\/server\/index.mjs<\/td>\n<td>SSR \u5e94\u7528<\/td>\n<\/tr>\n<tr>\n<td>Vercel\/Netlify<\/td>\n<td>\u81ea\u52a8\u90e8\u7f72<\/td>\n<td>\u9759\u6001\u7ad9\u70b9\/SSR<\/td>\n<\/tr>\n<tr>\n<td>Docker<\/td>\n<td>\u5bb9\u5668\u5316\u90e8\u7f72<\/td>\n<td>\u4f01\u4e1a\u7ea7\u90e8\u7f72<\/td>\n<\/tr>\n<tr>\n<td>\u9759\u6001\u751f\u6210<\/td>\n<td>nuxt generate \u751f\u6210\u9759\u6001\u6587\u4ef6<\/td>\n<td>\u535a\u5ba2\/\u6587\u6863<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u90e8\u7f72\u793a\u4f8b&#xff1a;<\/p>\n<p><span class=\"token comment\"># 1. \u6784\u5efa\u751f\u4ea7\u7248\u672c<\/span><br \/>\n<span class=\"token function\">npm<\/span> run build<\/p>\n<p><span class=\"token comment\"># 2. \u542f\u52a8\u751f\u4ea7\u670d\u52a1\u5668<\/span><br \/>\n<span class=\"token function\">node<\/span> .output\/server\/index.mjs<\/p>\n<p><span class=\"token comment\"># 3. \u9759\u6001\u751f\u6210<\/span><br \/>\n<span class=\"token function\">npm<\/span> run generate<br \/>\n<span class=\"token comment\"># \u8f93\u51fa\u5230 .output\/public\/<\/span><\/p>\n<p>\u90e8\u7f72\u6ce8\u610f\u4e8b\u9879&#xff1a;<\/p>\n<ul>\n<li>\u73af\u5883\u53d8\u91cf\u8981\u6b63\u786e\u914d\u7f6e&#xff1b;<\/li>\n<li>\u670d\u52a1\u7aef\u548c\u5ba2\u6237\u7aef\u7684 API \u5730\u5740\u8981\u533a\u5206&#xff1b;<\/li>\n<li>\u9759\u6001\u8d44\u6e90\u8def\u5f84\u8981\u6b63\u786e\u914d\u7f6e&#xff1b;<\/li>\n<li>SSR \u5e94\u7528\u9700\u8981 Node.js \u8fd0\u884c\u73af\u5883\u3002<\/li>\n<\/ul>\n<hr \/>\n<h3>11. \u65b0\u7279\u6027&#xff1a;Teleport\/Suspense\/Fragment<\/h3>\n<h4>11.1 Teleport&#xff1a;\u4f20\u9001\u95e8<\/h4>\n<p>Teleport \u8ba9\u4f60\u628a\u7ec4\u4ef6\u6e32\u67d3\u5230 DOM \u7684\u5176\u4ed6\u4f4d\u7f6e\u2014\u2014\u5e38\u7528\u4e8e\u6a21\u6001\u6846\u3001\u901a\u77e5&#xff1a;<\/p>\n<p>&lt;template&gt;<br \/>\n  &lt;button &#064;click&#061;&#034;showModal &#061; true&#034;&gt;\u6253\u5f00\u6a21\u6001\u6846&lt;\/button&gt;<\/p>\n<p>  &lt;!&#8211; \u6a21\u6001\u6846\u6e32\u67d3\u5230 body \u4e0b&#xff0c;\u800c\u4e0d\u662f\u7ec4\u4ef6\u5185\u90e8 &#8211;&gt;<br \/>\n  &lt;Teleport to&#061;&#034;body&#034;&gt;<br \/>\n    &lt;div v-if&#061;&#034;showModal&#034; class&#061;&#034;modal&#034;&gt;<br \/>\n      \u6a21\u6001\u6846\u5185\u5bb9<br \/>\n      &lt;button &#064;click&#061;&#034;showModal &#061; false&#034;&gt;\u5173\u95ed&lt;\/button&gt;<br \/>\n    &lt;\/div&gt;<br \/>\n  &lt;\/Teleport&gt;<br \/>\n&lt;\/template&gt;<\/p>\n<h4>11.2 Suspense&#xff1a;\u5f02\u6b65\u7ec4\u4ef6<\/h4>\n<p>Suspense \u8ba9\u4f60\u5904\u7406\u5f02\u6b65\u7ec4\u4ef6\u7684\u52a0\u8f7d\u72b6\u6001&#xff1a;<\/p>\n<p>&lt;template&gt;<br \/>\n  &lt;Suspense&gt;<br \/>\n    &lt;!&#8211; \u5f02\u6b65\u7ec4\u4ef6 &#8211;&gt;<br \/>\n    &lt;template #default&gt;<br \/>\n      &lt;AsyncComponent \/&gt;<br \/>\n    &lt;\/template&gt;<br \/>\n    &lt;!&#8211; \u52a0\u8f7d\u4e2d\u663e\u793a &#8211;&gt;<br \/>\n    &lt;template #fallback&gt;<br \/>\n      &lt;div&gt;\u52a0\u8f7d\u4e2d&#8230;&lt;\/div&gt;<br \/>\n    &lt;\/template&gt;<br \/>\n  &lt;\/Suspense&gt;<br \/>\n&lt;\/template&gt;<\/p>\n<h4>11.3 Fragment&#xff1a;\u591a\u6839\u8282\u70b9<\/h4>\n<p>Vue3 \u652f\u6301\u7ec4\u4ef6\u6a21\u677f\u6709\u591a\u4e2a\u6839\u8282\u70b9\u2014\u2014\u4e0d\u518d\u9700\u8981\u5305\u88f9\u4e00\u5c42 &lt;div&gt;&#xff1a;<\/p>\n<p>&lt;!&#8211; Vue2&#xff1a;\u5fc5\u987b\u5355\u6839 &#8211;&gt;<br \/>\n&lt;template&gt;<br \/>\n  &lt;div&gt;<br \/>\n    &lt;header&gt;&#8230;&lt;\/header&gt;<br \/>\n    &lt;main&gt;&#8230;&lt;\/main&gt;<br \/>\n    &lt;footer&gt;&#8230;&lt;\/footer&gt;<br \/>\n  &lt;\/div&gt;<br \/>\n&lt;\/template&gt;<\/p>\n<p>&lt;!&#8211; Vue3&#xff1a;\u591a\u6839\u8282\u70b9&#xff08;Fragment&#xff09; &#8211;&gt;<br \/>\n&lt;template&gt;<br \/>\n  &lt;header&gt;&#8230;&lt;\/header&gt;<br \/>\n  &lt;main&gt;&#8230;&lt;\/main&gt;<br \/>\n  &lt;footer&gt;&#8230;&lt;\/footer&gt;<br \/>\n&lt;\/template&gt;<\/p>\n<h4>11.4 v-model \u591a\u53c2\u6570\u4e0e\u65b0\u7279\u6027<\/h4>\n<p>Vue3 \u7684 v-model \u652f\u6301\u591a\u53c2\u6570\u2014\u2014\u4e00\u4e2a\u7ec4\u4ef6\u53ef\u4ee5\u6709\u591a\u4e2a v-model&#xff1a;<\/p>\n<p>&lt;!&#8211; \u5b50\u7ec4\u4ef6 &#8211;&gt;<br \/>\n&lt;script setup&gt;<br \/>\nconst modelValue &#061; defineModel(); \/\/ \u9ed8\u8ba4 v-model<br \/>\nconst title &#061; defineModel(&#039;title&#039;); \/\/ v-model:title<br \/>\n&lt;\/script&gt;<\/p>\n<p>&lt;template&gt;<br \/>\n  &lt;input v-model&#061;&#034;modelValue&#034; \/&gt;<br \/>\n  &lt;input v-model&#061;&#034;title&#034; \/&gt;<br \/>\n&lt;\/template&gt;<\/p>\n<p>&lt;!&#8211; \u7236\u7ec4\u4ef6 &#8211;&gt;<br \/>\n&lt;ChildComponent v-model&#061;&#034;content&#034; v-model:title&#061;&#034;pageTitle&#034; \/&gt;<\/p>\n<p>\u5176\u4ed6\u65b0\u7279\u6027&#xff1a;<\/p>\n<table>\n<tr>\u7279\u6027\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>defineModel()<\/td>\n<td>\u7b80\u5316 v-model \u58f0\u660e<\/td>\n<\/tr>\n<tr>\n<td>defineSlots()<\/td>\n<td>\u7c7b\u578b\u5316\u63d2\u69fd<\/td>\n<\/tr>\n<tr>\n<td>defineExpose()<\/td>\n<td>\u66b4\u9732\u7ec4\u4ef6\u5185\u90e8\u65b9\u6cd5<\/td>\n<\/tr>\n<tr>\n<td>useTemplateRef()<\/td>\n<td>\u83b7\u53d6\u6a21\u677f\u5f15\u7528&#xff08;Vue 3.5&#043;&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>onEffectCleanup()<\/td>\n<td>\u526f\u4f5c\u7528\u6e05\u7406&#xff08;Vue 3.5&#043;&#xff09;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h3>12. Vue3 \u6027\u80fd\u4f18\u5316<\/h3>\n<h4>12.1 \u7f16\u8bd1\u65f6\u4f18\u5316<\/h4>\n<p>Vue3 \u7684\u7f16\u8bd1\u5668\u505a\u4e86\u5927\u91cf\u4f18\u5316&#xff1a;<\/p>\n<table>\n<tr>\u4f18\u5316\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>\u9759\u6001\u63d0\u5347<\/td>\n<td>\u9759\u6001\u8282\u70b9\u63d0\u5347\u5230\u6e32\u67d3\u51fd\u6570\u5916&#xff0c;\u907f\u514d\u91cd\u590d\u521b\u5efa<\/td>\n<\/tr>\n<tr>\n<td>Patch Flag<\/td>\n<td>\u52a8\u6001\u8282\u70b9\u6807\u8bb0&#xff0c;\u53ea\u66f4\u65b0\u53d8\u5316\u7684\u90e8\u5206<\/td>\n<\/tr>\n<tr>\n<td>Block Tree<\/td>\n<td>\u6811\u72b6\u7ed3\u6784&#xff0c;\u8df3\u8fc7\u9759\u6001\u5b50\u6811<\/td>\n<\/tr>\n<tr>\n<td>\u7f13\u5b58\u4e8b\u4ef6<\/td>\n<td>\u4e8b\u4ef6\u5904\u7406\u51fd\u6570\u7f13\u5b58&#xff0c;\u907f\u514d\u91cd\u590d\u7ed1\u5b9a<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>12.2 \u54cd\u5e94\u5f0f\u4f18\u5316<\/h4>\n<table>\n<tr>\u4f18\u5316\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>shallowRef\/shallowReactive<\/td>\n<td>\u6d45\u5c42\u54cd\u5e94\u5f0f&#xff0c;\u53ea\u76d1\u542c\u9876\u5c42<\/td>\n<\/tr>\n<tr>\n<td>markRaw<\/td>\n<td>\u6807\u8bb0\u5bf9\u8c61\u4e3a&#034;\u4e0d\u54cd\u5e94\u5f0f&#034;<\/td>\n<\/tr>\n<tr>\n<td>computed \u7f13\u5b58<\/td>\n<td>\u8ba1\u7b97\u5c5e\u6027\u81ea\u52a8\u7f13\u5b58&#xff0c;\u4f9d\u8d56\u4e0d\u53d8\u4e0d\u91cd\u65b0\u8ba1\u7b97<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>12.3 \u8fd0\u884c\u65f6\u4f18\u5316<\/h4>\n<table>\n<tr>\u4f18\u5316\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>v-once<\/td>\n<td>\u53ea\u6e32\u67d3\u4e00\u6b21&#xff0c;\u540e\u7eed\u4e0d\u66f4\u65b0<\/td>\n<\/tr>\n<tr>\n<td>v-memo<\/td>\n<td>\u8bb0\u5fc6\u7ec4\u4ef6&#xff0c;\u4f9d\u8d56\u4e0d\u53d8\u4e0d\u91cd\u65b0\u6e32\u67d3<\/td>\n<\/tr>\n<tr>\n<td>\u5f02\u6b65\u7ec4\u4ef6<\/td>\n<td>\u8def\u7531\u7ea7\u4ee3\u7801\u5206\u5272<\/td>\n<\/tr>\n<tr>\n<td>\u61d2\u52a0\u8f7d<\/td>\n<td>\u7ec4\u4ef6\u6309\u9700\u52a0\u8f7d<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>12.4 \u6027\u80fd\u4f18\u5316\u5b9e\u6218\u6848\u4f8b<\/h4>\n<p>\u6848\u4f8b 1&#xff1a;\u5927\u578b\u5217\u8868\u6e32\u67d3\u4f18\u5316<\/p>\n<p>&lt;!&#8211; \u4f18\u5316\u524d&#xff1a;\u6bcf\u6b21\u6eda\u52a8\u90fd\u91cd\u65b0\u6e32\u67d3 &#8211;&gt;<br \/>\n&lt;template&gt;<br \/>\n  &lt;div v-for&#061;&#034;item in largeList&#034; :key&#061;&#034;item.id&#034;&gt;<br \/>\n    {{ item.name }}<br \/>\n  &lt;\/div&gt;<br \/>\n&lt;\/template&gt;<\/p>\n<p>&lt;!&#8211; \u4f18\u5316\u540e&#xff1a;\u865a\u62df\u6eda\u52a8&#xff0c;\u53ea\u6e32\u67d3\u53ef\u89c6\u533a\u57df &#8211;&gt;<br \/>\n&lt;template&gt;<br \/>\n  &lt;RecycleScroller<br \/>\n    :items&#061;&#034;largeList&#034;<br \/>\n    :item-size&#061;&#034;50&#034;<br \/>\n    key-field&#061;&#034;id&#034;<br \/>\n    v-slot&#061;&#034;{ item }&#034;<br \/>\n  &gt;<br \/>\n    &lt;div&gt;{{ item.name }}&lt;\/div&gt;<br \/>\n  &lt;\/RecycleScroller&gt;<br \/>\n&lt;\/template&gt;<\/p>\n<p>\u6848\u4f8b 2&#xff1a;\u56fe\u7247\u61d2\u52a0\u8f7d<\/p>\n<p>&lt;script setup&gt;<br \/>\n\/\/ \u4f7f\u7528 Intersection Observer \u5b9e\u73b0\u56fe\u7247\u61d2\u52a0\u8f7d<br \/>\nconst imgRef &#061; ref(null);<\/p>\n<p>onMounted(() &#061;&gt; {<br \/>\n  const observer &#061; new IntersectionObserver((entries) &#061;&gt; {<br \/>\n    entries.forEach(entry &#061;&gt; {<br \/>\n      if (entry.isIntersecting) {<br \/>\n        const img &#061; entry.target;<br \/>\n        img.src &#061; img.dataset.src;<br \/>\n        observer.unobserve(img);<br \/>\n      }<br \/>\n    });<br \/>\n  });<br \/>\n  observer.observe(imgRef.value);<br \/>\n});<br \/>\n&lt;\/script&gt;<\/p>\n<p>&lt;template&gt;<br \/>\n  &lt;img ref&#061;&#034;imgRef&#034; data-src&#061;&#034;\/large-image.jpg&#034; alt&#061;&#034;&#8230;&#034; \/&gt;<br \/>\n&lt;\/template&gt;<\/p>\n<p>\u6027\u80fd\u4f18\u5316\u68c0\u67e5\u6e05\u5355&#xff1a;<\/p>\n<table>\n<tr>#\u4f18\u5316\u9879\u4f18\u5148\u7ea7<\/tr>\n<tbody>\n<tr>\n<td>1<\/td>\n<td>\u8def\u7531\u61d2\u52a0\u8f7d<\/td>\n<td>\u2b50\u2b50\u2b50\u2b50\u2b50<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>\u7ec4\u4ef6\u61d2\u52a0\u8f7d<\/td>\n<td>\u2b50\u2b50\u2b50\u2b50<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>\u865a\u62df\u6eda\u52a8&#xff08;\u957f\u5217\u8868&#xff09;<\/td>\n<td>\u2b50\u2b50\u2b50\u2b50<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>\u56fe\u7247\u61d2\u52a0\u8f7d<\/td>\n<td>\u2b50\u2b50\u2b50\u2b50<\/td>\n<\/tr>\n<tr>\n<td>5<\/td>\n<td>v-memo \u4f18\u5316\u5927\u5217\u8868<\/td>\n<td>\u2b50\u2b50\u2b50<\/td>\n<\/tr>\n<tr>\n<td>6<\/td>\n<td>shallowRef\/shallowReactive<\/td>\n<td>\u2b50\u2b50\u2b50<\/td>\n<\/tr>\n<tr>\n<td>7<\/td>\n<td>markRaw \u8df3\u8fc7\u54cd\u5e94\u5f0f<\/td>\n<td>\u2b50\u2b50<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>12.5 \u6027\u80fd\u76d1\u63a7\u4e0e\u5206\u6790<\/h4>\n<p>\u6027\u80fd\u6307\u6807&#xff1a;<\/p>\n<table>\n<tr>\u6307\u6807\u8bf4\u660e\u76ee\u6807<\/tr>\n<tbody>\n<tr>\n<td>FCP&#xff08;First Contentful Paint&#xff09;<\/td>\n<td>\u9996\u6b21\u5185\u5bb9\u7ed8\u5236<\/td>\n<td>&lt; 1.8s<\/td>\n<\/tr>\n<tr>\n<td>LCP&#xff08;Largest Contentful Paint&#xff09;<\/td>\n<td>\u6700\u5927\u5185\u5bb9\u7ed8\u5236<\/td>\n<td>&lt; 2.5s<\/td>\n<\/tr>\n<tr>\n<td>FID&#xff08;First Input Delay&#xff09;<\/td>\n<td>\u9996\u6b21\u8f93\u5165\u5ef6\u8fdf<\/td>\n<td>&lt; 100ms<\/td>\n<\/tr>\n<tr>\n<td>CLS&#xff08;Cumulative Layout Shift&#xff09;<\/td>\n<td>\u7d2f\u79ef\u5e03\u5c40\u504f\u79fb<\/td>\n<td>&lt; 0.1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u6027\u80fd\u5206\u6790\u5de5\u5177&#xff1a;<\/p>\n<table>\n<tr>\u5de5\u5177\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>Chrome DevTools Performance<\/td>\n<td>\u5206\u6790\u6e32\u67d3\u6027\u80fd<\/td>\n<\/tr>\n<tr>\n<td>Vue DevTools<\/td>\n<td>\u5206\u6790\u7ec4\u4ef6\u6e32\u67d3\u6b21\u6570<\/td>\n<\/tr>\n<tr>\n<td>Lighthouse<\/td>\n<td>\u7efc\u5408\u6027\u80fd\u8bc4\u5206<\/td>\n<\/tr>\n<tr>\n<td>Web Vitals<\/td>\n<td>\u76d1\u63a7\u6838\u5fc3\u6307\u6807<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u6027\u80fd\u4f18\u5316\u6d41\u7a0b&#xff1a;<\/p>\n<li>\u6d4b\u91cf&#xff1a;\u7528 Lighthouse \u8dd1\u4e00\u904d\u6027\u80fd\u8bc4\u5206&#xff1b;<\/li>\n<li>\u5206\u6790&#xff1a;\u7528 Performance \u9762\u677f\u770b\u6e32\u67d3\u74f6\u9888&#xff1b;<\/li>\n<li>\u4f18\u5316&#xff1a;\u9488\u5bf9\u74f6\u9888\u505a\u4f18\u5316&#xff1b;<\/li>\n<li>\u9a8c\u8bc1&#xff1a;\u518d\u8dd1\u4e00\u904d Lighthouse \u770b\u63d0\u5347\u3002<\/li>\n<h4>12.6 \u5e38\u89c1\u6027\u80fd\u95ee\u9898\u4e0e\u89e3\u51b3\u65b9\u6848<\/h4>\n<table>\n<tr>#\u95ee\u9898\u89e3\u51b3\u65b9\u6848<\/tr>\n<tbody>\n<tr>\n<td>1<\/td>\n<td>\u9996\u5c4f\u52a0\u8f7d\u6162<\/td>\n<td>\u8def\u7531\u61d2\u52a0\u8f7d\u3001\u4ee3\u7801\u5206\u5272\u3001\u9759\u6001\u751f\u6210<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>\u5217\u8868\u6e32\u67d3\u6162<\/td>\n<td>\u865a\u62df\u6eda\u52a8\u3001v-memo\u3001shallowRef<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>\u54cd\u5e94\u5f0f\u66f4\u65b0\u6162<\/td>\n<td>shallowReactive\u3001markRaw\u3001\u51cf\u5c11\u6df1\u5c42\u54cd\u5e94\u5f0f<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>\u6253\u5305\u4f53\u79ef\u5927<\/td>\n<td>manualChunks\u3001\u6309\u9700\u52a0\u8f7d\u3001Tree-shaking<\/td>\n<\/tr>\n<tr>\n<td>5<\/td>\n<td>\u5185\u5b58\u6cc4\u6f0f<\/td>\n<td>\u6e05\u7406\u5b9a\u65f6\u5668\u3001\u6e05\u7406\u4e8b\u4ef6\u76d1\u542c\u3001onUnmounted<\/td>\n<\/tr>\n<tr>\n<td>6<\/td>\n<td>\u9891\u7e41\u91cd\u6e32\u67d3<\/td>\n<td>computed \u7f13\u5b58\u3001v-memo\u3001\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u54cd\u5e94\u5f0f<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u6027\u80fd\u4f18\u5316\u53e3\u8bc0&#xff1a;<\/p>\n<p>\u5148\u6d4b\u91cf&#xff0c;\u518d\u4f18\u5316&#xff1b;\u5148\u627e\u74f6\u9888&#xff0c;\u518d\u52a8\u624b&#xff1b;\u5148\u505a\u9ad8\u6536\u76ca&#xff0c;\u518d\u505a\u4f4e\u6536\u76ca\u3002<\/p>\n<hr \/>\n<h3>13. \u8fc1\u79fb&#xff1a;\u4ece Vue2 \u5230 Vue3<\/h3>\n<h4>13.1 \u8fc1\u79fb\u8def\u7ebf\u56fe<\/h4>\n<p>  #mermaid-svg-AwV1T9CrwcqLTyrp{font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;font-size:16px;fill:#333;}@keyframes edge-animation-frame{from{stroke-dashoffset:0;}}@keyframes dash{to{stroke-dashoffset:0;}}#mermaid-svg-AwV1T9CrwcqLTyrp .edge-animation-slow{stroke-dasharray:9,5!important;stroke-dashoffset:900;animation:dash 50s linear infinite;stroke-linecap:round;}#mermaid-svg-AwV1T9CrwcqLTyrp .edge-animation-fast{stroke-dasharray:9,5!important;stroke-dashoffset:900;animation:dash 20s linear infinite;stroke-linecap:round;}#mermaid-svg-AwV1T9CrwcqLTyrp .error-icon{fill:#552222;}#mermaid-svg-AwV1T9CrwcqLTyrp .error-text{fill:#552222;stroke:#552222;}#mermaid-svg-AwV1T9CrwcqLTyrp .edge-thickness-normal{stroke-width:1px;}#mermaid-svg-AwV1T9CrwcqLTyrp .edge-thickness-thick{stroke-width:3.5px;}#mermaid-svg-AwV1T9CrwcqLTyrp .edge-pattern-solid{stroke-dasharray:0;}#mermaid-svg-AwV1T9CrwcqLTyrp .edge-thickness-invisible{stroke-width:0;fill:none;}#mermaid-svg-AwV1T9CrwcqLTyrp .edge-pattern-dashed{stroke-dasharray:3;}#mermaid-svg-AwV1T9CrwcqLTyrp .edge-pattern-dotted{stroke-dasharray:2;}#mermaid-svg-AwV1T9CrwcqLTyrp .marker{fill:#333333;stroke:#333333;}#mermaid-svg-AwV1T9CrwcqLTyrp .marker.cross{stroke:#333333;}#mermaid-svg-AwV1T9CrwcqLTyrp svg{font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;font-size:16px;}#mermaid-svg-AwV1T9CrwcqLTyrp p{margin:0;}#mermaid-svg-AwV1T9CrwcqLTyrp .label{font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;color:#333;}#mermaid-svg-AwV1T9CrwcqLTyrp .cluster-label text{fill:#333;}#mermaid-svg-AwV1T9CrwcqLTyrp .cluster-label span{color:#333;}#mermaid-svg-AwV1T9CrwcqLTyrp .cluster-label span p{background-color:transparent;}#mermaid-svg-AwV1T9CrwcqLTyrp .label text,#mermaid-svg-AwV1T9CrwcqLTyrp span{fill:#333;color:#333;}#mermaid-svg-AwV1T9CrwcqLTyrp .node rect,#mermaid-svg-AwV1T9CrwcqLTyrp .node circle,#mermaid-svg-AwV1T9CrwcqLTyrp .node ellipse,#mermaid-svg-AwV1T9CrwcqLTyrp .node polygon,#mermaid-svg-AwV1T9CrwcqLTyrp .node path{fill:#ECECFF;stroke:#9370DB;stroke-width:1px;}#mermaid-svg-AwV1T9CrwcqLTyrp .rough-node .label text,#mermaid-svg-AwV1T9CrwcqLTyrp .node .label text,#mermaid-svg-AwV1T9CrwcqLTyrp .image-shape .label,#mermaid-svg-AwV1T9CrwcqLTyrp .icon-shape .label{text-anchor:middle;}#mermaid-svg-AwV1T9CrwcqLTyrp .node .katex path{fill:#000;stroke:#000;stroke-width:1px;}#mermaid-svg-AwV1T9CrwcqLTyrp .rough-node .label,#mermaid-svg-AwV1T9CrwcqLTyrp .node .label,#mermaid-svg-AwV1T9CrwcqLTyrp .image-shape .label,#mermaid-svg-AwV1T9CrwcqLTyrp .icon-shape .label{text-align:center;}#mermaid-svg-AwV1T9CrwcqLTyrp .node.clickable{cursor:pointer;}#mermaid-svg-AwV1T9CrwcqLTyrp .root .anchor path{fill:#333333!important;stroke-width:0;stroke:#333333;}#mermaid-svg-AwV1T9CrwcqLTyrp .arrowheadPath{fill:#333333;}#mermaid-svg-AwV1T9CrwcqLTyrp .edgePath .path{stroke:#333333;stroke-width:2.0px;}#mermaid-svg-AwV1T9CrwcqLTyrp .flowchart-link{stroke:#333333;fill:none;}#mermaid-svg-AwV1T9CrwcqLTyrp .edgeLabel{background-color:rgba(232,232,232, 0.8);text-align:center;}#mermaid-svg-AwV1T9CrwcqLTyrp .edgeLabel p{background-color:rgba(232,232,232, 0.8);}#mermaid-svg-AwV1T9CrwcqLTyrp .edgeLabel rect{opacity:0.5;background-color:rgba(232,232,232, 0.8);fill:rgba(232,232,232, 0.8);}#mermaid-svg-AwV1T9CrwcqLTyrp .labelBkg{background-color:rgba(232, 232, 232, 0.5);}#mermaid-svg-AwV1T9CrwcqLTyrp .cluster rect{fill:#ffffde;stroke:#aaaa33;stroke-width:1px;}#mermaid-svg-AwV1T9CrwcqLTyrp .cluster text{fill:#333;}#mermaid-svg-AwV1T9CrwcqLTyrp .cluster span{color:#333;}#mermaid-svg-AwV1T9CrwcqLTyrp div.mermaidTooltip{position:absolute;text-align:center;max-width:200px;padding:2px;font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;font-size:12px;background:hsl(80, 100%, 96.2745098039%);border:1px solid #aaaa33;border-radius:2px;pointer-events:none;z-index:100;}#mermaid-svg-AwV1T9CrwcqLTyrp .flowchartTitleText{text-anchor:middle;font-size:18px;fill:#333;}#mermaid-svg-AwV1T9CrwcqLTyrp rect.text{fill:none;stroke-width:0;}#mermaid-svg-AwV1T9CrwcqLTyrp .icon-shape,#mermaid-svg-AwV1T9CrwcqLTyrp .image-shape{background-color:rgba(232,232,232, 0.8);text-align:center;}#mermaid-svg-AwV1T9CrwcqLTyrp .icon-shape p,#mermaid-svg-AwV1T9CrwcqLTyrp .image-shape p{background-color:rgba(232,232,232, 0.8);padding:2px;}#mermaid-svg-AwV1T9CrwcqLTyrp .icon-shape .label rect,#mermaid-svg-AwV1T9CrwcqLTyrp .image-shape .label rect{opacity:0.5;background-color:rgba(232,232,232, 0.8);fill:rgba(232,232,232, 0.8);}#mermaid-svg-AwV1T9CrwcqLTyrp .label-icon{display:inline-block;height:1em;overflow:visible;vertical-align:-0.125em;}#mermaid-svg-AwV1T9CrwcqLTyrp .node .label-icon path{fill:currentColor;stroke:revert;stroke-width:revert;}#mermaid-svg-AwV1T9CrwcqLTyrp :root{&#8211;mermaid-font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;}<\/p>\n<p>         <span class=\"edgeLabel\"><\/span><\/p>\n<p>         <span class=\"edgeLabel\"><\/span><\/p>\n<p>         <span class=\"edgeLabel\"><\/span><\/p>\n<p>         <span class=\"edgeLabel\"><\/span><\/p>\n<p>         <span class=\"edgeLabel\"><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>1 \u4f9d\u8d56\u5347\u7ea7Vue2.7 &#043; Vite<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>2 \u54cd\u5e94\u5f0f\u8fc1\u79fbdefineProperty \u2192 Proxy<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>3 API \u8fc1\u79fbOptions \u2192 Composition<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>4 \u751f\u6001\u8fc1\u79fbVuex \u2192 Pinia &#043; Router 4<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>5 \u65b0\u7279\u6027\u91c7\u7528Teleport\/Suspense<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>6 \u6027\u80fd\u4f18\u5316\u7f16\u8bd1\u65f6 &#043; \u54cd\u5e94\u5f0f<\/p>\n<p><\/span><\/p>\n<h4>13.2 \u5e38\u89c1\u8fc1\u79fb\u5751<\/h4>\n<table>\n<tr>#\u5751\u5bf9\u7b56<\/tr>\n<tbody>\n<tr>\n<td>1<\/td>\n<td>this.$set \u8fd8\u5728\u7528<\/td>\n<td>Vue3 \u4e0d\u9700\u8981\u4e86&#xff0c;\u76f4\u63a5\u8d4b\u503c<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>Options API \u5168\u4fdd\u7559<\/td>\n<td>\u9010\u6b65\u8fc1\u79fb\u5230 Composition API<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>Vuex \u8fd8\u5728\u7528<\/td>\n<td>\u8fc1\u79fb\u5230 Pinia<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>Vue Router 3 \u8fd8\u5728\u7528<\/td>\n<td>\u8fc1\u79fb\u5230 Vue Router 4<\/td>\n<\/tr>\n<tr>\n<td>5<\/td>\n<td>webpack \u8fd8\u5728\u7528<\/td>\n<td>\u8fc1\u79fb\u5230 Vite<\/td>\n<\/tr>\n<tr>\n<td>6<\/td>\n<td>\u751f\u547d\u5468\u671f\u6539\u540d<\/td>\n<td>beforeDestroy \u2192 onBeforeUnmount<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>13.3 \u8fc1\u79fb\u68c0\u67e5\u6e05\u5355<\/h4>\n<p>\u7b2c\u4e00\u6b65&#xff1a;\u73af\u5883\u51c6\u5907<\/p>\n<ul>\n<li class=\"task-list-item\"> \u5347\u7ea7 Node.js \u5230 18&#043;<\/li>\n<li class=\"task-list-item\"> \u5347\u7ea7 npm\/pnpm\/yarn<\/li>\n<li class=\"task-list-item\"> \u5b89\u88c5 Vue 3 &#043; Vite<\/li>\n<\/ul>\n<p>\u7b2c\u4e8c\u6b65&#xff1a;\u4f9d\u8d56\u5347\u7ea7<\/p>\n<ul>\n<li class=\"task-list-item\"> Vue 2.x \u2192 Vue 3.x<\/li>\n<li class=\"task-list-item\"> Vue Router 3 \u2192 4<\/li>\n<li class=\"task-list-item\"> Vuex \u2192 Pinia<\/li>\n<li class=\"task-list-item\"> \u7ec4\u4ef6\u5e93\u5347\u7ea7\u5230 Vue3 \u7248\u672c&#xff08;Element Plus \/ Ant Design Vue \u7b49&#xff09;<\/li>\n<\/ul>\n<p>\u7b2c\u4e09\u6b65&#xff1a;\u4ee3\u7801\u8fc1\u79fb<\/p>\n<ul>\n<li class=\"task-list-item\"> \u751f\u547d\u5468\u671f\u6539\u540d&#xff08;beforeDestroy \u2192 onBeforeUnmount&#xff09;<\/li>\n<li class=\"task-list-item\"> \u79fb\u9664 Vue.set \/ Vue.delete<\/li>\n<li class=\"task-list-item\"> \u9010\u6b65\u8fc1\u79fb\u5230 Composition API<\/li>\n<li class=\"task-list-item\"> \u4fee\u590d v-model \u8bed\u6cd5\u53d8\u5316<\/li>\n<li class=\"task-list-item\"> \u4fee\u590d\u4e8b\u4ef6\u603b\u7ebf&#xff08;$on\/$off \u5df2\u79fb\u9664&#xff09;<\/li>\n<\/ul>\n<p>\u7b2c\u56db\u6b65&#xff1a;\u6d4b\u8bd5\u9a8c\u8bc1<\/p>\n<ul>\n<li class=\"task-list-item\"> \u5355\u5143\u6d4b\u8bd5\u8fc1\u79fb<\/li>\n<li class=\"task-list-item\"> E2E \u6d4b\u8bd5\u8fc1\u79fb<\/li>\n<li class=\"task-list-item\"> \u529f\u80fd\u56de\u5f52\u6d4b\u8bd5<\/li>\n<li class=\"task-list-item\"> \u6027\u80fd\u5bf9\u6bd4\u6d4b\u8bd5<\/li>\n<\/ul>\n<h4>13.4 \u8fc1\u79fb\u5b9e\u6218\u6848\u4f8b<\/h4>\n<p>\u6848\u4f8b&#xff1a;\u4e2d\u578b\u4f01\u4e1a\u7ba1\u7406\u7cfb\u7edf\u8fc1\u79fb<\/p>\n<table>\n<tr>\u9636\u6bb5\u5de5\u4f5c\u5185\u5bb9\u5468\u671f<\/tr>\n<tbody>\n<tr>\n<td>\u51c6\u5907<\/td>\n<td>\u5347\u7ea7 Node.js\u3001\u5b89\u88c5 Vue3 &#043; Vite<\/td>\n<td>1 \u5929<\/td>\n<\/tr>\n<tr>\n<td>\u4f9d\u8d56<\/td>\n<td>\u5347\u7ea7\u7ec4\u4ef6\u5e93&#xff08;Element Plus&#xff09;\u3001Pinia<\/td>\n<td>2 \u5929<\/td>\n<\/tr>\n<tr>\n<td>\u4ee3\u7801<\/td>\n<td>\u8fc1\u79fb 50 \u4e2a\u9875\u9762\u3001100 \u4e2a\u7ec4\u4ef6<\/td>\n<td>2 \u5468<\/td>\n<\/tr>\n<tr>\n<td>\u6d4b\u8bd5<\/td>\n<td>\u529f\u80fd\u56de\u5f52\u3001\u6027\u80fd\u5bf9\u6bd4<\/td>\n<td>1 \u5468<\/td>\n<\/tr>\n<tr>\n<td>\u4e0a\u7ebf<\/td>\n<td>\u7070\u5ea6\u53d1\u5e03\u3001\u76d1\u63a7<\/td>\n<td>3 \u5929<\/td>\n<\/tr>\n<tr>\n<td>\u603b\u8ba1<\/td>\n<td><\/td>\n<td>\u7ea6 4 \u5468<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u8fc1\u79fb\u4e2d\u7684\u5751&#xff1a;<\/p>\n<li>\u7ec4\u4ef6\u5e93\u4e0d\u517c\u5bb9&#xff1a;Element UI \u2192 Element Plus&#xff0c;API \u6709\u53d8\u5316&#xff1b;<\/li>\n<li>Vuex \u2192 Pinia&#xff1a;\u9700\u8981\u91cd\u5199\u72b6\u6001\u7ba1\u7406\u903b\u8f91&#xff1b;<\/li>\n<li>\u4e8b\u4ef6\u603b\u7ebf\u79fb\u9664&#xff1a;$on\/$off \u5df2\u79fb\u9664&#xff0c;\u9700\u8981\u7528 Pinia \u66ff\u4ee3&#xff1b;<\/li>\n<li>\u8fc7\u6ee4\u5668\u79fb\u9664&#xff1a;Vue3 \u79fb\u9664\u4e86\u8fc7\u6ee4\u5668&#xff0c;\u9700\u8981\u7528 computed \u6216\u65b9\u6cd5\u66ff\u4ee3\u3002<\/li>\n<h4>13.5 \u8fc1\u79fb\u540e\u7684\u4f18\u5316\u4e0e\u6539\u8fdb<\/h4>\n<p>\u8fc1\u79fb\u5230 Vue3 \u540e&#xff0c;\u53ef\u4ee5\u505a\u8fd9\u4e9b\u4f18\u5316&#xff1a;<\/p>\n<table>\n<tr>\u4f18\u5316\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>\u6027\u80fd\u4f18\u5316<\/td>\n<td>\u5229\u7528 Proxy \u54cd\u5e94\u5f0f\u548c\u7f16\u8bd1\u65f6\u4f18\u5316\u63d0\u5347\u6027\u80fd<\/td>\n<\/tr>\n<tr>\n<td>\u4ee3\u7801\u7ec4\u7ec7<\/td>\n<td>\u7528 Composition API \u91cd\u6784\u5927\u578b\u7ec4\u4ef6<\/td>\n<\/tr>\n<tr>\n<td>TypeScript<\/td>\n<td>\u9010\u6b65\u5f15\u5165 TypeScript&#xff0c;\u63d0\u5347\u7c7b\u578b\u5b89\u5168<\/td>\n<\/tr>\n<tr>\n<td>\u5f00\u53d1\u4f53\u9a8c<\/td>\n<td>\u7528 Vite \u63d0\u5347\u5f00\u53d1\u6548\u7387<\/td>\n<\/tr>\n<tr>\n<td>\u751f\u6001\u5347\u7ea7<\/td>\n<td>\u7528 Pinia \u66ff\u4ee3 Vuex&#xff0c;\u7528 Nuxt 3 \u505a SSR<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u8fc1\u79fb\u540e\u7684\u6536\u76ca&#xff1a;<\/p>\n<ul>\n<li>\u6027\u80fd\u63d0\u5347 1~2 \u500d&#xff1a;Proxy \u54cd\u5e94\u5f0f &#043; \u7f16\u8bd1\u65f6\u4f18\u5316&#xff1b;<\/li>\n<li>\u5f00\u53d1\u6548\u7387\u63d0\u5347&#xff1a;Vite \u6781\u5feb\u542f\u52a8 &#043; \u70ed\u66f4\u65b0&#xff1b;<\/li>\n<li>\u4ee3\u7801\u8d28\u91cf\u63d0\u5347&#xff1a;Composition API &#043; TypeScript&#xff1b;<\/li>\n<li>\u7ef4\u62a4\u6027\u63d0\u5347&#xff1a;Vue2 \u5df2 EOL&#xff0c;Vue3 \u6301\u7eed\u8fed\u4ee3\u3002<\/li>\n<\/ul>\n<hr \/>\n<h3>14. \u603b\u7ed3\u4e0e\u672a\u6765\u65b9\u5411<\/h3>\n<h4>14.1 Vue3 \u7684\u6838\u5fc3\u4ef7\u503c<\/h4>\n<table>\n<tr>\u7ef4\u5ea6\u4ef7\u503c<\/tr>\n<tbody>\n<tr>\n<td>\u6027\u80fd<\/td>\n<td>Proxy \u54cd\u5e94\u5f0f &#043; \u7f16\u8bd1\u65f6\u4f18\u5316<\/td>\n<\/tr>\n<tr>\n<td>\u4ee3\u7801\u7ec4\u7ec7<\/td>\n<td>Composition API \u89e3\u51b3\u5927\u578b\u5e94\u7528<\/td>\n<\/tr>\n<tr>\n<td>TypeScript<\/td>\n<td>\u539f\u751f\u652f\u6301<\/td>\n<\/tr>\n<tr>\n<td>\u751f\u6001<\/td>\n<td>Vite &#043; Pinia &#043; Nuxt3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>14.2 \u672a\u6765\u65b9\u5411<\/h4>\n<table>\n<tr>\u65b9\u5411\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>Vue 3.5&#043;<\/td>\n<td>\u6301\u7eed\u6539\u8fdb&#xff08;Reactive Props Destructure \u7b49&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>Vue Vapor Mode<\/td>\n<td>\u65e0\u865a\u62df DOM \u7684\u7f16\u8bd1\u65f6\u4f18\u5316<\/td>\n<\/tr>\n<tr>\n<td>Nuxt 3<\/td>\n<td>SSR\/SSG \u751f\u6001\u6210\u719f<\/td>\n<\/tr>\n<tr>\n<td>TypeScript<\/td>\n<td>\u6301\u7eed\u589e\u5f3a\u7c7b\u578b\u63a8\u5bfc<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>14.3 \u6700\u540e\u7684\u8bdd<\/h4>\n<p>Vue3 \u4e0d\u662f&#034;Vue2 \u7684\u5347\u7ea7\u7248&#034;&#xff0c;\u800c\u662f\u4ece\u5934\u91cd\u5199\u7684\u65b0\u4e00\u4ee3\u524d\u7aef\u6846\u67b6\u2014\u2014Proxy \u54cd\u5e94\u5f0f\u3001Composition API\u3001Vite\u3001Pinia\u3001Nuxt3&#xff0c;\u6bcf\u4e00\u5c42\u90fd\u662f\u4e00\u6b21\u6362\u4ee3\u3002Vue2 \u5df2 EOL&#xff0c;Vue3 \u662f\u4e8b\u5b9e\u4e0a\u7684\u6807\u51c6\u2014\u2014\u65b0\u9879\u76ee\u76f4\u63a5\u9009 Vue3&#xff0c;\u8001\u9879\u76ee\u6309\u8282\u594f\u8fc1\u79fb\u3002<\/p>\n<p>\u5347\u7ea7 Vue3 \u7684\u6700\u5927\u6536\u76ca\u4e0d\u662f&#034;\u6027\u80fd\u63d0\u5347&#034;&#xff0c;\u800c\u662f&#034;\u4ee3\u7801\u7ec4\u7ec7&#034;\u2014\u2014Composition API \u8ba9\u5927\u578b\u5e94\u7528\u7684\u4ee3\u7801\u4e0d\u518d\u6563\u843d\u5728\u56db\u4e2a\u9009\u9879\u91cc&#xff0c;\u800c\u662f\u96c6\u4e2d\u5728\u540c\u4e00\u529f\u80fd\u5757\u3002\u8fd9\u662f Vue3 \u6700\u88ab\u4f4e\u4f30\u3001\u4e5f\u662f\u6700\u6709\u4ef7\u503c\u7684\u6539\u8fdb\u3002<\/p>\n<h4>14.4 \u5b66\u4e60\u8def\u7ebf\u4e0e\u8d44\u6e90\u63a8\u8350<\/h4>\n<p>\u5b66\u4e60\u8def\u7ebf&#xff1a;<\/p>\n<table>\n<tr>\u9636\u6bb5\u5185\u5bb9\u5468\u671f<\/tr>\n<tbody>\n<tr>\n<td>\u5165\u95e8<\/td>\n<td>Vue3 \u57fa\u7840\u8bed\u6cd5 &#043; Composition API<\/td>\n<td>1~2 \u5468<\/td>\n<\/tr>\n<tr>\n<td>\u8fdb\u9636<\/td>\n<td>Pinia &#043; Vue Router &#043; Vite<\/td>\n<td>1~2 \u5468<\/td>\n<\/tr>\n<tr>\n<td>\u5b9e\u6218<\/td>\n<td>\u5b8c\u6574\u9879\u76ee\u5f00\u53d1<\/td>\n<td>2~4 \u5468<\/td>\n<\/tr>\n<tr>\n<td>\u6df1\u5165<\/td>\n<td>\u54cd\u5e94\u5f0f\u539f\u7406 &#043; \u6e90\u7801\u9605\u8bfb<\/td>\n<td>\u6301\u7eed<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u63a8\u8350\u8d44\u6e90&#xff1a;<\/p>\n<table>\n<tr>\u8d44\u6e90\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>Vue \u5b98\u65b9\u6587\u6863<\/td>\n<td>https:\/\/cn.vuejs.org \u2014 \u6700\u6743\u5a01\u7684\u6587\u6863<\/td>\n<\/tr>\n<tr>\n<td>Vue \u5b98\u65b9\u535a\u5ba2<\/td>\n<td>https:\/\/blog.vuejs.org \u2014 \u6700\u65b0\u7248\u672c\u52a8\u6001<\/td>\n<\/tr>\n<tr>\n<td>Vue Mastery<\/td>\n<td>\u4ed8\u8d39\u89c6\u9891\u8bfe\u7a0b&#xff0c;\u8d28\u91cf\u9ad8<\/td>\n<\/tr>\n<tr>\n<td>Vue School<\/td>\n<td>\u4ed8\u8d39\u89c6\u9891\u8bfe\u7a0b&#xff0c;\u5b9e\u6218\u5bfc\u5411<\/td>\n<\/tr>\n<tr>\n<td>GitHub awesome-vue<\/td>\n<td>\u751f\u6001\u8d44\u6e90\u5927\u5168<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u751f\u6001\u63a8\u8350&#xff1a;<\/p>\n<table>\n<tr>\u751f\u6001\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>UI \u7ec4\u4ef6\u5e93<\/td>\n<td>Element Plus \/ Ant Design Vue \/ Naive UI<\/td>\n<\/tr>\n<tr>\n<td>\u72b6\u6001\u7ba1\u7406<\/td>\n<td>Pinia&#xff08;\u5b98\u65b9\u63a8\u8350&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u8def\u7531<\/td>\n<td>Vue Router 4&#xff08;\u5b98\u65b9\u63a8\u8350&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u6784\u5efa\u5de5\u5177<\/td>\n<td>Vite&#xff08;\u5b98\u65b9\u63a8\u8350&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u5143\u6846\u67b6<\/td>\n<td>Nuxt 3&#xff08;SSR\/SSG&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u5de5\u5177\u5e93<\/td>\n<td>VueUse&#xff08;\u5b9e\u7528 composable \u96c6\u5408&#xff09;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>14.5 \u603b\u7ed3\u4e0e\u5c55\u671b<\/h4>\n<p>Vue3 \u7684\u6838\u5fc3\u4ef7\u503c&#xff1a;<\/p>\n<li>\u6027\u80fd\u63d0\u5347&#xff1a;Proxy \u54cd\u5e94\u5f0f &#043; \u7f16\u8bd1\u65f6\u4f18\u5316&#xff0c;\u6e32\u67d3\u6027\u80fd\u63d0\u5347 1~2 \u500d&#xff1b;<\/li>\n<li>\u4ee3\u7801\u7ec4\u7ec7&#xff1a;Composition API \u89e3\u51b3\u5927\u578b\u5e94\u7528\u7684\u903b\u8f91\u590d\u7528&#xff1b;<\/li>\n<li>TypeScript&#xff1a;\u539f\u751f TS \u652f\u6301&#xff0c;\u7c7b\u578b\u63a8\u5bfc\u66f4\u81ea\u7136&#xff1b;<\/li>\n<li>\u751f\u6001\u6210\u719f&#xff1a;Vite &#043; Pinia &#043; Nuxt3 \u7ec4\u6210\u65b0\u4e00\u4ee3\u751f\u6001\u3002<\/li>\n<p>\u672a\u6765\u5c55\u671b&#xff1a;<\/p>\n<table>\n<tr>\u65b9\u5411\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>Vue Vapor Mode<\/td>\n<td>\u65e0\u865a\u62df DOM \u7684\u7f16\u8bd1\u65f6\u4f18\u5316&#xff0c;\u6027\u80fd\u518d\u63d0\u5347<\/td>\n<\/tr>\n<tr>\n<td>Vue 3.6&#043;<\/td>\n<td>\u6301\u7eed\u6539\u8fdb&#xff0c;\u66f4\u591a\u65b0\u7279\u6027<\/td>\n<\/tr>\n<tr>\n<td>Nuxt 4<\/td>\n<td>Nuxt 4 \u5df2\u53d1\u5e03&#xff0c;\u57fa\u4e8e Vue 3<\/td>\n<\/tr>\n<tr>\n<td>AI \u96c6\u6210<\/td>\n<td>Vue DevTools \u96c6\u6210 AI \u8f85\u52a9\u5f00\u53d1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u6700\u540e\u7684\u5efa\u8bae&#xff1a;<\/p>\n<ul>\n<li>\u65b0\u9879\u76ee&#xff1a;\u76f4\u63a5\u7528 Vue3 &#043; &lt;script setup&gt; &#043; Pinia &#043; Vite&#xff1b;<\/li>\n<li>\u8001\u9879\u76ee&#xff1a;\u6309\u8282\u594f\u8fc1\u79fb&#xff0c;\u4e0d\u8981\u4e00\u6b21\u6027\u5927\u7206\u70b8&#xff1b;<\/li>\n<li>\u5b66\u4e60\u8def\u5f84&#xff1a;\u5148\u638c\u63e1\u57fa\u7840\u8bed\u6cd5&#xff0c;\u518d\u6df1\u5165\u539f\u7406\u548c\u6e90\u7801&#xff1b;<\/li>\n<li>\u751f\u6001\u9009\u62e9&#xff1a;\u4f18\u5148\u7528\u5b98\u65b9\u63a8\u8350\u7684\u751f\u6001&#xff08;Vite\/Pinia\/Nuxt&#xff09;\u3002<\/li>\n<\/ul>\n<p>Vue3 \u4e0d\u662f&#034;Vue2 \u7684\u5347\u7ea7\u7248&#034;&#xff0c;\u800c\u662f&#034;\u65b0\u4e00\u4ee3\u524d\u7aef\u6846\u67b6&#034;\u2014\u2014\u5b83\u4ece\u54cd\u5e94\u5f0f\u539f\u7406\u3001\u4ee3\u7801\u7ec4\u7ec7\u3001\u7c7b\u578b\u652f\u6301\u3001\u6784\u5efa\u5de5\u5177\u6bcf\u4e00\u5c42\u90fd\u505a\u4e86\u6362\u4ee3\u30022026 \u5e74\u7684\u4eca\u5929&#xff0c;Vue2 \u5df2 EOL&#xff0c;Vue3 \u662f\u4e8b\u5b9e\u4e0a\u7684\u6807\u51c6\u2014\u2014\u8fd9\u662f\u4f60\u7684\u4e0d\u4e8c\u4e4b\u9009\u3002<\/p>\n<h4>14.6 \u5e38\u89c1\u95ee\u9898 FAQ<\/h4>\n<table>\n<tr>#\u95ee\u9898\u89e3\u7b54<\/tr>\n<tbody>\n<tr>\n<td>1<\/td>\n<td>Vue3 \u5b66\u4e60\u66f2\u7ebf\u9661\u5417&#xff1f;<\/td>\n<td>\u5e73\u7f13&#xff0c;\u6a21\u677f\u8bed\u6cd5\u548c Vue2 \u7c7b\u4f3c&#xff0c;Composition API \u662f\u65b0\u4e1c\u897f\u4f46\u4e0d\u96be\u5b66<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>Vue2 \u7684\u9879\u76ee\u8981\u9a6c\u4e0a\u8fc1\u79fb\u5417&#xff1f;<\/td>\n<td>\u4e0d\u5f3a\u5236&#xff0c;\u4f46 Vue2 \u5df2 EOL&#xff0c;\u5efa\u8bae\u6309\u8282\u594f\u8fc1\u79fb<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>Vue3 \u6027\u80fd\u6bd4 Vue2 \u597d\u591a\u5c11&#xff1f;<\/td>\n<td>\u6e32\u67d3\u6027\u80fd\u63d0\u5347 1~2 \u500d&#xff0c;\u5185\u5b58\u5360\u7528\u66f4\u4f4e<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>Vue3 \u652f\u6301 TypeScript \u5417&#xff1f;<\/td>\n<td>\u539f\u751f\u652f\u6301&#xff0c;\u4ece\u8bbe\u8ba1\u4e4b\u521d\u5c31\u8003\u8651\u4e86\u7c7b\u578b\u63a8\u5bfc<\/td>\n<\/tr>\n<tr>\n<td>5<\/td>\n<td>Vue3 \u80fd\u7528 Element UI 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