[{"data":1,"prerenderedAt":4423},["ShallowReactive",2],{"navigation":3,"/document/express/guide/restful-api":1519,"/document/express/guide/restful-api-surround":4418},[4],{"title":5,"path":6,"stem":7,"children":8,"page":50},"Document","/document","document",[9,51,118,150,207,263,307,343,363,403,447,479,518,558,585,609,633,665,700,731,762,794,831,863,899,929,964,1000,1036,1075,1110,1149,1181,1212,1243,1271,1307,1346,1378,1418,1455,1487],{"title":10,"path":11,"stem":12,"children":13,"page":50},"Html5","/document/html5","document/01.html5",[14,42],{"title":15,"path":16,"stem":17,"children":18,"icon":41},"指南","/document/html5/guide","document/01.html5/01.guide/01.index",[19,21,25,29,33,37],{"title":20,"path":16,"stem":17},"HTML 入门教程",{"title":22,"path":23,"stem":24},"常用标签详解","/document/html5/guide/tag","document/01.html5/01.guide/02.tag",{"title":26,"path":27,"stem":28},"布局与语义标签","/document/html5/guide/layout","document/01.html5/01.guide/03.layout",{"title":30,"path":31,"stem":32},"表单设计与用户输入","/document/html5/guide/form","document/01.html5/01.guide/04.form",{"title":34,"path":35,"stem":36},"多媒体与 HTML5 新特性","/document/html5/guide/html5","document/01.html5/01.guide/05.html5",{"title":38,"path":39,"stem":40},"Web 标准与 HTML 编写规范","/document/html5/guide/web","document/01.html5/01.guide/06.web","i-lucide-code",{"title":43,"path":44,"stem":45,"children":46,"icon":49},"考核","/document/html5/examine","document/01.html5/02.examine/01.index",[47],{"title":48,"path":44,"stem":45},"接下来对你进行考核","i-lucide-clipboard-check",false,{"title":52,"path":53,"stem":54,"children":55,"page":50},"Css","/document/css","document/02.css",[56,75,100,113],{"title":57,"path":58,"stem":59,"children":60,"icon":50},"启航","/document/css/guide","document/02.css/01.guide/01.index",[61,63,67,71],{"title":62,"path":58,"stem":59},"CSS 基础入门教程",{"title":64,"path":65,"stem":66},"文本与盒子样式详解","/document/css/guide/styles","document/02.css/01.guide/02.styles",{"title":68,"path":69,"stem":70},"选择器与权重机制","/document/css/guide/selected","document/02.css/01.guide/03.selected",{"title":72,"path":73,"stem":74},"盒模型详解","/document/css/guide/box","document/02.css/01.guide/04.box",{"title":76,"icon":50,"path":77,"stem":78,"children":79,"page":50},"布局","/document/css/layout","document/02.css/02.layout",[80,84,88,92,96],{"title":81,"path":82,"stem":83},"网页布局三剑客详解","/document/css/layout/policy","document/02.css/02.layout/01.policy",{"title":85,"path":86,"stem":87},"Position 定位详解","/document/css/layout/position","document/02.css/02.layout/02.position",{"title":89,"path":90,"stem":91},"Flexbox 布局入门指南","/document/css/layout/flex","document/02.css/02.layout/03.flex",{"title":93,"path":94,"stem":95},"Grid 布局入门指南","/document/css/layout/grid","document/02.css/02.layout/04.grid",{"title":97,"path":98,"stem":99},"响应式设计指南","/document/css/layout/relative","document/02.css/02.layout/05.relative",{"title":101,"icon":50,"path":102,"stem":103,"children":104,"page":50},"使用技巧","/document/css/skill","document/02.css/03.skill",[105,109],{"title":106,"path":107,"stem":108},"CSS 动画全解析","/document/css/skill/animation","document/02.css/03.skill/01.animation",{"title":110,"path":111,"stem":112},"CSS 使用技巧全攻略","/document/css/skill/skill","document/02.css/03.skill/02.skill",{"title":43,"path":114,"stem":115,"children":116,"icon":49},"/document/css/examine","document/02.css/04.examine/01.index",[117],{"title":48,"path":114,"stem":115},{"title":119,"path":120,"stem":121,"children":122,"page":50},"Git","/document/git","document/03.git",[123,145],{"title":57,"path":124,"stem":125,"children":126,"icon":50},"/document/git/guide","document/03.git/01.guide/01.index",[127,129,133,137,141],{"title":128,"path":124,"stem":125},"Git 入门指南",{"title":130,"path":131,"stem":132},"Git 安装与初体验","/document/git/guide/install","document/03.git/01.guide/02.install",{"title":134,"path":135,"stem":136},"常用 Git 命令详解","/document/git/guide/command","document/03.git/01.guide/03.command",{"title":138,"path":139,"stem":140},"Git 分支管理全解析","/document/git/guide/branch","document/03.git/01.guide/04.branch",{"title":142,"path":143,"stem":144},"使用 GitHub 轻松托管和管理代码","/document/git/guide/github","document/03.git/01.guide/05.github",{"title":43,"path":146,"stem":147,"children":148,"icon":49},"/document/git/examine","document/03.git/02.examine/01.index",[149],{"title":48,"path":146,"stem":147},{"title":151,"path":152,"stem":153,"children":154,"page":50},"Js Base","/document/js-base","document/04.js-base",[155,185,202],{"title":15,"path":156,"stem":157,"children":158,"icon":41},"/document/js-base/guide","document/04.js-base/01.guide/01.index",[159,161,165,169,173,177,181],{"title":160,"path":156,"stem":157},"JavaScript 基础快速入门",{"title":162,"path":163,"stem":164},"搞懂变量与数据类型","/document/js-base/guide/variable","document/04.js-base/01.guide/02.variable",{"title":166,"path":167,"stem":168},"JavaScript 运算符详解","/document/js-base/guide/operator","document/04.js-base/01.guide/03.operator",{"title":170,"path":171,"stem":172},"条件判断与循环语句","/document/js-base/guide/flow","document/04.js-base/01.guide/04.flow",{"title":174,"path":175,"stem":176},"深入理解 JavaScript 函数","/document/js-base/guide/function","document/04.js-base/01.guide/05.function",{"title":178,"path":179,"stem":180},"对象数组的创建与操作","/document/js-base/guide/object","document/04.js-base/01.guide/06.object",{"title":182,"path":183,"stem":184},"Math 和 Date 用法详解","/document/js-base/guide/math","document/04.js-base/01.guide/07.math",{"title":186,"icon":41,"path":187,"stem":188,"children":189,"page":50},"浏览器","/document/js-base/browser","document/04.js-base/02.browser",[190,194,198],{"title":191,"path":192,"stem":193},"DOM 操作入门与实战","/document/js-base/browser/dom","document/04.js-base/02.browser/01.dom",{"title":195,"path":196,"stem":197},"浏览器 BOM 基础知识","/document/js-base/browser/bom","document/04.js-base/02.browser/02.bom",{"title":199,"path":200,"stem":201},"JavaScript 事件处理机制","/document/js-base/browser/event","document/04.js-base/02.browser/03.event",{"title":43,"path":203,"stem":204,"children":205,"icon":49},"/document/js-base/examine","document/04.js-base/03.examine/01.index",[206],{"title":48,"path":203,"stem":204},{"title":208,"path":209,"stem":210,"children":211,"page":50},"Js Advanced","/document/js-advanced","document/05.js-advanced",[212,231,249],{"title":213,"path":214,"stem":215,"children":216,"icon":41},"JavaScript 原理","/document/js-advanced/guide","document/05.js-advanced/01.guide/01.index",[217,219,223,227],{"title":218,"path":214,"stem":215},"JavaScript 是怎么运行的？",{"title":220,"path":221,"stem":222},"深入理解函数和作用域","/document/js-advanced/guide/function","document/05.js-advanced/01.guide/02.function",{"title":224,"path":225,"stem":226},"深入理解 this 指向","/document/js-advanced/guide/this","document/05.js-advanced/01.guide/03.this",{"title":228,"path":229,"stem":230},"浅拷贝与深拷贝详解","/document/js-advanced/guide/copy","document/05.js-advanced/01.guide/04.copy",{"title":232,"icon":233,"path":234,"stem":235,"children":236,"page":50},"编程范式","i-lucide-shapes","/document/js-advanced/program","document/05.js-advanced/02.program",[237,241,245],{"title":238,"path":239,"stem":240},"面向对象编程（OOP）","/document/js-advanced/program/object","document/05.js-advanced/02.program/01.object",{"title":242,"path":243,"stem":244},"函数式编程入门","/document/js-advanced/program/fp","document/05.js-advanced/02.program/02.fp",{"title":246,"path":247,"stem":248},"防抖和节流详解","/document/js-advanced/program/debounce","document/05.js-advanced/02.program/03.debounce",{"title":250,"icon":251,"path":252,"stem":253,"children":254,"page":50},"浏览器相关特性","i-lucide-monitor","/document/js-advanced/browser","document/05.js-advanced/03.browser",[255,259],{"title":256,"path":257,"stem":258},"浏览器缓存入门指南","/document/js-advanced/browser/cache","document/05.js-advanced/03.browser/01.cache",{"title":260,"path":261,"stem":262},"Web 存储机制深度剖析","/document/js-advanced/browser/storage","document/05.js-advanced/03.browser/02.storage",{"title":264,"path":265,"stem":266,"children":267,"page":50},"Es6","/document/es6","document/06.es6",[268,302],{"title":213,"path":269,"stem":270,"children":271,"icon":41},"/document/es6/guide","document/06.es6/01.guide/01.index",[272,274,278,282,286,290,294,298],{"title":273,"path":269,"stem":270},"ES6 入门指南",{"title":275,"path":276,"stem":277},"变量声明：let 与 const","/document/es6/guide/const","document/06.es6/01.guide/02.const",{"title":279,"path":280,"stem":281},"箭头函数的用法与特点","/document/es6/guide/arrow","document/06.es6/01.guide/03.arrow",{"title":283,"path":284,"stem":285},"字符串、对象与数组的新特性","/document/es6/guide/enhance","document/06.es6/01.guide/04.enhance",{"title":287,"path":288,"stem":289},"Map 和 Set 的使用方式","/document/es6/guide/set","document/06.es6/01.guide/05.set",{"title":291,"path":292,"stem":293},"Promise 实现异步流程控制","/document/es6/guide/promise","document/06.es6/01.guide/06.promise",{"title":295,"path":296,"stem":297},"ESM 模块化语法解析","/document/es6/guide/esm","document/06.es6/01.guide/07.esm",{"title":299,"path":300,"stem":301},"Class 的定义与继承机制","/document/es6/guide/class","document/06.es6/01.guide/08.class",{"title":43,"path":303,"stem":304,"children":305,"icon":49},"/document/es6/examine","document/06.es6/02.examine/01.index",[306],{"title":48,"path":303,"stem":304},{"title":308,"path":309,"stem":310,"children":311,"page":50},"Js Algorithms","/document/js-algorithms","document/07.js-algorithms",[312,338],{"title":15,"path":313,"stem":314,"children":315,"icon":41},"/document/js-algorithms/guide","document/07.js-algorithms/01.guide/01.index",[316,318,322,326,330,334],{"title":317,"path":313,"stem":314},"什么是数据结构和算法？",{"title":319,"path":320,"stem":321},"时间和空间复杂度","/document/js-algorithms/guide/complexity","document/07.js-algorithms/01.guide/02.complexity",{"title":323,"path":324,"stem":325},"数据结构","/document/js-algorithms/guide/structure","document/07.js-algorithms/01.guide/03.structure",{"title":327,"path":328,"stem":329},"算法","/document/js-algorithms/guide/algorithms","document/07.js-algorithms/01.guide/04.algorithms",{"title":331,"path":332,"stem":333},"算法思想","/document/js-algorithms/guide/heuristic","document/07.js-algorithms/01.guide/05.heuristic",{"title":335,"path":336,"stem":337},"深度优先与广度优先搜索","/document/js-algorithms/guide/search","document/07.js-algorithms/01.guide/06.search",{"title":43,"path":339,"stem":340,"children":341,"icon":49},"/document/js-algorithms/examine","document/07.js-algorithms/02.examine/01.index",[342],{"title":48,"path":339,"stem":340},{"title":344,"path":345,"stem":346,"children":347,"page":50},"Automation","/document/automation","document/08.automation",[348,358],{"title":15,"path":349,"stem":350,"children":351,"icon":41},"/document/automation/guide","document/08.automation/01.guide/01.index",[352,354],{"title":353,"path":349,"stem":350},"什么是前端工程化？",{"title":355,"path":356,"stem":357},"开始搭建工程化项目","/document/automation/guide/start","document/08.automation/01.guide/02.start",{"title":43,"path":359,"stem":360,"children":361,"icon":49},"/document/automation/examine","document/08.automation/02.examine/01.index",[362],{"title":48,"path":359,"stem":360},{"title":364,"path":365,"stem":366,"children":367,"page":50},"Webpack","/document/webpack","document/09.webpack",[368,398],{"title":15,"path":369,"stem":370,"children":371,"icon":41},"/document/webpack/guide","document/09.webpack/01.guide/01.index",[372,374,378,382,386,390,394],{"title":373,"path":369,"stem":370},"Webpack 初识",{"title":375,"path":376,"stem":377},"搭建 Webpack 项目","/document/webpack/guide/start","document/09.webpack/01.guide/02.start",{"title":379,"path":380,"stem":381},"Loader 加载器","/document/webpack/guide/loader","document/09.webpack/01.guide/03.loader",{"title":383,"path":384,"stem":385},"Plugin 插件","/document/webpack/guide/plugin","document/09.webpack/01.guide/04.plugin",{"title":387,"path":388,"stem":389},"HMR 热更新与开发模式","/document/webpack/guide/dev","document/09.webpack/01.guide/05.dev",{"title":391,"path":392,"stem":393},"性能优化配置","/document/webpack/guide/optimize","document/09.webpack/01.guide/06.optimize",{"title":395,"path":396,"stem":397},"webpack 生产环境构建全攻略","/document/webpack/guide/production","document/09.webpack/01.guide/07.production",{"title":43,"path":399,"stem":400,"children":401,"icon":49},"/document/webpack/examine","document/09.webpack/02.examine/01.index",[402],{"title":48,"path":399,"stem":400},{"title":404,"path":405,"stem":406,"children":407,"page":50},"Scss","/document/scss","document/10.scss",[408,442],{"title":15,"path":409,"stem":410,"children":411,"icon":41},"/document/scss/guide","document/10.scss/01.guide/01.index",[412,414,418,422,426,430,434,438],{"title":413,"path":409,"stem":410},"什么是 SCSS？",{"title":415,"path":416,"stem":417},"SCSS 入门语法基础","/document/scss/guide/syntax","document/10.scss/01.guide/02.syntax",{"title":419,"path":420,"stem":421},"开始编写 Scss 项目","/document/scss/guide/start","document/10.scss/01.guide/03.start",{"title":423,"path":424,"stem":425},"Scss 模块导入方式","/document/scss/guide/import","document/10.scss/01.guide/04.import",{"title":427,"path":428,"stem":429},"Mixin 与函数详解","/document/scss/guide/mixin","document/10.scss/01.guide/05.mixin",{"title":431,"path":432,"stem":433},"Scss 继承、占位符技巧","/document/scss/guide/extend","document/10.scss/01.guide/06.extend",{"title":435,"path":436,"stem":437},"SCSS 流程控制与逻辑语法","/document/scss/guide/flow","document/10.scss/01.guide/07.flow",{"title":439,"path":440,"stem":441},"SCSS 内置函数","/document/scss/guide/function","document/10.scss/01.guide/08.function",{"title":43,"path":443,"stem":444,"children":445,"icon":49},"/document/scss/examine","document/10.scss/02.examine/01.index",[446],{"title":48,"path":443,"stem":444},{"title":448,"path":449,"stem":450,"children":451,"page":50},"Eslint","/document/eslint","document/11.eslint",[452,474],{"title":15,"path":453,"stem":454,"children":455,"icon":41},"/document/eslint/guide","document/11.eslint/01.guide/01.index",[456,458,462,466,470],{"title":457,"path":453,"stem":454},"ESLint 是什么？",{"title":459,"path":460,"stem":461},"ESLint 安装与运行详解","/document/eslint/guide/install","document/11.eslint/01.guide/02.install",{"title":463,"path":464,"stem":465},"ESLint  规则介绍","/document/eslint/guide/rule","document/11.eslint/01.guide/03.rule",{"title":467,"path":468,"stem":469},"集成 ESLint 到 Webpack","/document/eslint/guide/webpack","document/11.eslint/01.guide/04.webpack",{"title":471,"path":472,"stem":473},"Plugins 和 Extends 使用","/document/eslint/guide/plugins","document/11.eslint/01.guide/05.plugins",{"title":43,"path":475,"stem":476,"children":477,"icon":49},"/document/eslint/examine","document/11.eslint/02.examine/01.index",[478],{"title":48,"path":475,"stem":476},{"title":480,"path":481,"stem":482,"children":483,"page":50},"Axios","/document/axios","document/12.axios",[484,494,513],{"title":15,"path":485,"stem":486,"children":487,"icon":41},"/document/axios/guide","document/12.axios/01.guide/01.index",[488,490],{"title":489,"path":485,"stem":486},"HTTP 协议与网络请求",{"title":491,"path":492,"stem":493},"使用 JavaScript 发起请求","/document/axios/guide/get","document/12.axios/01.guide/02.get",{"title":495,"path":496,"stem":497,"children":498,"icon":41},"axios 插件","/document/axios/axios","document/12.axios/02.axios/01.index",[499,501,505,509],{"title":500,"path":496,"stem":497},"Axios 入门",{"title":502,"path":503,"stem":504},"Axios 请求基础全面讲解","/document/axios/axios/start","document/12.axios/02.axios/02.start",{"title":506,"path":507,"stem":508},"Axios 高级使用技巧","/document/axios/axios/advenced","document/12.axios/02.axios/03.advenced",{"title":510,"path":511,"stem":512},"CORS 跨域解决方案","/document/axios/axios/cors","document/12.axios/02.axios/04.cors",{"title":43,"path":514,"stem":515,"children":516,"icon":49},"/document/axios/examine","document/12.axios/03.examine/01.index",[517],{"title":48,"path":514,"stem":515},{"title":519,"path":520,"stem":521,"children":522,"page":50},"Typescript","/document/typescript","document/13.typescript",[523,553],{"title":15,"path":524,"stem":525,"children":526,"icon":41},"/document/typescript/guide","document/13.typescript/01.guide/01.index",[527,529,533,537,541,545,549],{"title":528,"path":524,"stem":525},"TypeScript 简介与入门",{"title":530,"path":531,"stem":532},"类型系统基础","/document/typescript/guide/base","document/13.typescript/01.guide/02.base",{"title":534,"path":535,"stem":536},"类型组合与类型保护","/document/typescript/guide/compose","document/13.typescript/01.guide/03.compose",{"title":538,"path":539,"stem":540},"类与面向对象编程","/document/typescript/guide/class","document/13.typescript/01.guide/04.class",{"title":542,"path":543,"stem":544},"泛型与类型复用","/document/typescript/guide/generic","document/13.typescript/01.guide/05.generic",{"title":546,"path":547,"stem":548},"项目进阶与配置实战","/document/typescript/guide/config","document/13.typescript/01.guide/06.config",{"title":550,"path":551,"stem":552},"第三方库类型支持与声明","/document/typescript/guide/declare","document/13.typescript/01.guide/07.declare",{"title":43,"path":554,"stem":555,"children":556,"icon":49},"/document/typescript/examine","document/13.typescript/02.examine/01.index",[557],{"title":48,"path":554,"stem":555},{"title":559,"path":560,"stem":561,"children":562,"page":50},"Vue2","/document/vue2","document/14.vue2",[563],{"title":15,"path":564,"stem":565,"children":566,"icon":41},"/document/vue2/guide","document/14.vue2/01.guide/01.index",[567,569,573,577,581],{"title":568,"path":564,"stem":565},"Vue 2 入门与安装",{"title":570,"path":571,"stem":572},"模板语法与指令详解","/document/vue2/guide/directive","document/14.vue2/01.guide/02.directive",{"title":574,"path":575,"stem":576},"组件化开发基础","/document/vue2/guide/component","document/14.vue2/01.guide/03.component",{"title":578,"path":579,"stem":580},"计算属性与监听器","/document/vue2/guide/reactive","document/14.vue2/01.guide/04.reactive",{"title":582,"path":583,"stem":584},"生命周期钩子解析","/document/vue2/guide/hooks","document/14.vue2/01.guide/05.hooks",{"title":586,"path":587,"stem":588,"children":589,"page":50},"Router","/document/router","document/15.router",[590],{"title":591,"path":592,"stem":593,"children":594,"icon":41},"Vue Router 路由","/document/router/guide","document/15.router/01.guide/01.index",[595,597,601,605],{"title":596,"path":592,"stem":593},"Vue Router 入门",{"title":598,"path":599,"stem":600},"路由核心功能详解","/document/router/guide/routing","document/15.router/01.guide/02.routing",{"title":602,"path":603,"stem":604},"路由守卫钩子和元信息","/document/router/guide/hook","document/15.router/01.guide/03.hook",{"title":606,"path":607,"stem":608},"路由优化与懒加载","/document/router/guide/optimize","document/15.router/01.guide/04.optimize",{"title":610,"path":611,"stem":612,"children":613,"page":50},"Vuex","/document/vuex","document/16.vuex",[614],{"title":615,"path":616,"stem":617,"children":618,"icon":41},"Vuex 状态管理器","/document/vuex/guide","document/16.vuex/01.guide/01.index",[619,621,625,629],{"title":620,"path":616,"stem":617},"为什么要使用 Vuex？",{"title":622,"path":623,"stem":624},"快速上手 Vuex","/document/vuex/guide/start","document/16.vuex/01.guide/02.start",{"title":626,"path":627,"stem":628},"深入理解 Vuex 核心功能","/document/vuex/guide/core","document/16.vuex/01.guide/03.core",{"title":630,"path":631,"stem":632},"模块化与进阶用法","/document/vuex/guide/module","document/16.vuex/01.guide/04.module",{"title":634,"path":635,"stem":636,"children":637,"page":50},"Element Ui","/document/element-ui","document/17.element-ui",[638],{"title":639,"path":640,"stem":641,"children":642,"icon":41},"Element UI 组件库","/document/element-ui/guide","document/17.element-ui/01.guide/01.index",[643,645,649,653,657,661],{"title":644,"path":640,"stem":641},"Element UI 初体验",{"title":646,"path":647,"stem":648},"常用组件快速上手","/document/element-ui/guide/quickstart","document/17.element-ui/01.guide/02.quickstart",{"title":650,"path":651,"stem":652},"布局与结构类组件","/document/element-ui/guide/layout","document/17.element-ui/01.guide/03.layout",{"title":654,"path":655,"stem":656},"自定义组件样式","/document/element-ui/guide/style","document/17.element-ui/01.guide/04.style",{"title":658,"path":659,"stem":660},"组件封装与复用","/document/element-ui/guide/component","document/17.element-ui/01.guide/05.component",{"title":662,"path":663,"stem":664},"自定义主题色与深色模式","/document/element-ui/guide/theme","document/17.element-ui/01.guide/06.theme",{"title":666,"path":667,"stem":668,"children":669,"page":50},"Vue3","/document/vue3","document/18.vue3",[670],{"title":666,"path":671,"stem":672,"children":673,"icon":41},"/document/vue3/guide","document/18.vue3/01.guide/01.index",[674,676,680,684,688,692,696],{"title":675,"path":671,"stem":672},"Vue 3 概览与生态升级",{"title":677,"path":678,"stem":679},"组合式 API 入门指南","/document/vue3/guide/composition","document/18.vue3/01.guide/02.composition",{"title":681,"path":682,"stem":683},"组合式 API 逻辑抽离","/document/vue3/guide/composable","document/18.vue3/01.guide/03.composable",{"title":685,"path":686,"stem":687},"模板语法及新特性","/document/vue3/guide/features","document/18.vue3/01.guide/04.features",{"title":689,"path":690,"stem":691},"TypeScript 开发支持","/document/vue3/guide/typescript","document/18.vue3/01.guide/05.typescript",{"title":693,"path":694,"stem":695},"响应式系统原理与进阶 API","/document/vue3/guide/reactive","document/18.vue3/01.guide/06.reactive",{"title":697,"path":698,"stem":699},"Vue Router 4 路由实战","/document/vue3/guide/vue-router","document/18.vue3/01.guide/07.vue-router",{"title":701,"path":702,"stem":703,"children":704,"page":50},"Pinia","/document/pinia","document/19.pinia",[705],{"title":701,"path":706,"stem":707,"children":708,"icon":41},"/document/pinia/guide","document/19.pinia/01.guide/01.index",[709,711,715,719,723,727],{"title":710,"path":706,"stem":707},"Pinia 简介与安装",{"title":712,"path":713,"stem":714},"Store 三大核心","/document/pinia/guide/store","document/19.pinia/01.guide/02.store",{"title":716,"path":717,"stem":718},"在组件中使用 Store","/document/pinia/guide/usage","document/19.pinia/01.guide/03.usage",{"title":720,"path":721,"stem":722},"State 修改与响应式细节","/document/pinia/guide/state","document/19.pinia/01.guide/04.state",{"title":724,"path":725,"stem":726},"Action 与异步操作","/document/pinia/guide/action","document/19.pinia/01.guide/05.action",{"title":728,"path":729,"stem":730},"组合、TypeScript 与插件","/document/pinia/guide/advanced","document/19.pinia/01.guide/06.advanced",{"title":732,"path":733,"stem":734,"children":735,"page":50},"Vite","/document/vite","document/20.vite",[736],{"title":732,"path":737,"stem":738,"children":739,"icon":41},"/document/vite/guide","document/20.vite/01.guide/01.index",[740,742,746,750,754,758],{"title":741,"path":737,"stem":738},"Vite 简介与安装",{"title":743,"path":744,"stem":745},"基础配置","/document/vite/guide/config","document/20.vite/01.guide/02.config",{"title":747,"path":748,"stem":749},"常用插件","/document/vite/guide/plugins","document/20.vite/01.guide/03.plugins",{"title":751,"path":752,"stem":753},"环境变量与模式","/document/vite/guide/env","document/20.vite/01.guide/04.env",{"title":755,"path":756,"stem":757},"依赖预构建","/document/vite/guide/optimize-deps","document/20.vite/01.guide/05.optimize-deps",{"title":759,"path":760,"stem":761},"构建与部署","/document/vite/guide/build-deploy","document/20.vite/01.guide/06.build-deploy",{"title":763,"path":764,"stem":765,"children":766,"page":50},"Nuxt","/document/nuxt","document/21.nuxt",[767],{"title":768,"path":769,"stem":770,"children":771,"icon":41},"Nuxt.js","/document/nuxt/guide","document/21.nuxt/01.guide/01.index",[772,774,778,782,786,790],{"title":773,"path":769,"stem":770},"Nuxt.js 简介与安装",{"title":775,"path":776,"stem":777},"目录约定与自动导入","/document/nuxt/guide/directory-and-auto-imports","document/21.nuxt/01.guide/02.directory-and-auto-imports",{"title":779,"path":780,"stem":781},"文件路由与导航","/document/nuxt/guide/routing","document/21.nuxt/01.guide/03.routing",{"title":783,"path":784,"stem":785},"数据获取","/document/nuxt/guide/data-fetching","document/21.nuxt/01.guide/04.data-fetching",{"title":787,"path":788,"stem":789},"状态管理","/document/nuxt/guide/state-management","document/21.nuxt/01.guide/05.state-management",{"title":791,"path":792,"stem":793},"配置与部署","/document/nuxt/guide/config-and-deploy","document/21.nuxt/01.guide/06.config-and-deploy",{"title":795,"path":796,"stem":797,"children":798,"page":50},"Npm","/document/npm","document/22.npm",[799],{"title":800,"path":801,"stem":802,"children":803,"icon":830},"NPM","/document/npm/guide","document/22.npm/01.guide/01.index",[804,806,810,814,818,822,826],{"title":805,"path":801,"stem":802},"NPM 入门",{"title":807,"path":808,"stem":809},"package.json 详解","/document/npm/guide/package-json","document/22.npm/01.guide/02.package-json",{"title":811,"path":812,"stem":813},"安装命令与版本","/document/npm/guide/install-commands","document/22.npm/01.guide/03.install-commands",{"title":815,"path":816,"stem":817},"scripts 与 npx","/document/npm/guide/scripts-and-npx","document/22.npm/01.guide/04.scripts-and-npx",{"title":819,"path":820,"stem":821},"发布包与镜像源","/document/npm/guide/publish-and-registry","document/22.npm/01.guide/05.publish-and-registry",{"title":823,"path":824,"stem":825},"lock 文件与清理","/document/npm/guide/lock-and-clean","document/22.npm/01.guide/06.lock-and-clean",{"title":827,"path":828,"stem":829},"Yarn 与 pnpm","/document/npm/guide/yarn-and-pnpm","document/22.npm/01.guide/07.yarn-and-pnpm","i-simple-icons-npm",{"title":832,"icon":833,"path":834,"stem":835,"children":836,"page":50},"Handlebars","i-simple-icons-handlebarsdotjs","/document/handlebars","document/23.handlebars",[837],{"title":838,"path":839,"stem":840,"children":841},"Handlebars 简介","/document/handlebars/guide","document/23.handlebars/01.guide/01.index",[842,843,847,851,855,859],{"title":838,"path":839,"stem":840},{"title":844,"path":845,"stem":846},"基本语法","/document/handlebars/guide/syntax","document/23.handlebars/01.guide/02.syntax",{"title":848,"path":849,"stem":850},"内置辅助函数","/document/handlebars/guide/builtins","document/23.handlebars/01.guide/03.builtins",{"title":852,"path":853,"stem":854},"模板复用","/document/handlebars/guide/partials","document/23.handlebars/01.guide/04.partials",{"title":856,"path":857,"stem":858},"自定义 Helpers","/document/handlebars/guide/helpers","document/23.handlebars/01.guide/05.helpers",{"title":860,"path":861,"stem":862},"预编译与运行时","/document/handlebars/guide/runtime","document/23.handlebars/01.guide/06.runtime",{"title":864,"icon":865,"path":866,"stem":867,"children":868,"page":50},"Plop","i-simple-icons-nodedotjs","/document/plop","document/24.plop",[869],{"title":870,"path":871,"stem":872,"children":873},"Plop 简介","/document/plop/guide","document/24.plop/01.guide/01.index",[874,875,879,883,887,891,895],{"title":870,"path":871,"stem":872},{"title":876,"path":877,"stem":878},"第一个生成器","/document/plop/guide/plopfile","document/24.plop/01.guide/02.plopfile",{"title":880,"path":881,"stem":882},"交互式询问","/document/plop/guide/prompts","document/24.plop/01.guide/03.prompts",{"title":884,"path":885,"stem":886},"核心动作","/document/plop/guide/actions","document/24.plop/01.guide/04.actions",{"title":888,"path":889,"stem":890},"模板文件组织","/document/plop/guide/templates","document/24.plop/01.guide/05.templates",{"title":892,"path":893,"stem":894},"Helper 扩展","/document/plop/guide/helpers","document/24.plop/01.guide/06.helpers",{"title":896,"path":897,"stem":898},"组件生成实战","/document/plop/guide/practice","document/24.plop/01.guide/07.practice",{"title":900,"icon":901,"path":902,"stem":903,"children":904,"page":50},"Rollup","i-simple-icons-rollupdotjs","/document/rollup","document/25.rollup",[905],{"title":906,"path":907,"stem":908,"children":909},"Rollup 简介","/document/rollup/guide","document/25.rollup/01.guide/01.index",[910,911,914,918,921,925],{"title":906,"path":907,"stem":908},{"title":743,"path":912,"stem":913},"/document/rollup/guide/config","document/25.rollup/01.guide/02.config",{"title":915,"path":916,"stem":917},"输出格式","/document/rollup/guide/formats","document/25.rollup/01.guide/03.formats",{"title":747,"path":919,"stem":920},"/document/rollup/guide/plugins","document/25.rollup/01.guide/04.plugins",{"title":922,"path":923,"stem":924},"Tree Shaking","/document/rollup/guide/tree-shaking","document/25.rollup/01.guide/05.tree-shaking",{"title":926,"path":927,"stem":928},"打包工具库实战","/document/rollup/guide/library","document/25.rollup/01.guide/06.library",{"title":930,"icon":865,"path":931,"stem":932,"children":933,"page":50},"Snabbdom","/document/snabbdom","document/26.snabbdom",[934],{"title":935,"path":936,"stem":937,"children":938},"Snabbdom 简介","/document/snabbdom/guide","document/26.snabbdom/01.guide/01.index",[939,940,944,948,952,956,960],{"title":935,"path":936,"stem":937},{"title":941,"path":942,"stem":943},"h 函数","/document/snabbdom/guide/h","document/26.snabbdom/01.guide/02.h",{"title":945,"path":946,"stem":947},"模块机制","/document/snabbdom/guide/modules","document/26.snabbdom/01.guide/03.modules",{"title":949,"path":950,"stem":951},"patch 渲染与更新","/document/snabbdom/guide/patch","document/26.snabbdom/01.guide/04.patch",{"title":953,"path":954,"stem":955},"key 的作用","/document/snabbdom/guide/key","document/26.snabbdom/01.guide/05.key",{"title":957,"path":958,"stem":959},"Diff 原理","/document/snabbdom/guide/diff","document/26.snabbdom/01.guide/06.diff",{"title":961,"path":962,"stem":963},"手写迷你虚拟 DOM","/document/snabbdom/guide/practice","document/26.snabbdom/01.guide/07.practice",{"title":965,"icon":966,"path":967,"stem":968,"children":969,"page":50},"Vercel","i-simple-icons-vercel","/document/vercel","document/27.vercel",[970],{"title":971,"path":972,"stem":973,"children":974},"Vercel 简介","/document/vercel/guide","document/27.vercel/01.guide/01.index",[975,976,980,984,988,992,996],{"title":971,"path":972,"stem":973},{"title":977,"path":978,"stem":979},"Vercel CLI","/document/vercel/guide/cli","document/27.vercel/01.guide/02.cli",{"title":981,"path":982,"stem":983},"项目设置与环境变量","/document/vercel/guide/settings","document/27.vercel/01.guide/03.settings",{"title":985,"path":986,"stem":987},"预览部署与回滚","/document/vercel/guide/preview","document/27.vercel/01.guide/04.preview",{"title":989,"path":990,"stem":991},"自定义域名","/document/vercel/guide/domain","document/27.vercel/01.guide/05.domain",{"title":993,"path":994,"stem":995},"vercel.json 配置","/document/vercel/guide/vercel-json","document/27.vercel/01.guide/06.vercel-json",{"title":997,"path":998,"stem":999},"Serverless Functions","/document/vercel/guide/serverless","document/27.vercel/01.guide/07.serverless",{"title":1001,"icon":1002,"path":1003,"stem":1004,"children":1005,"page":50},"ECharts","i-simple-icons-apacheecharts","/document/echarts","document/28.echarts",[1006],{"title":1007,"path":1008,"stem":1009,"children":1010},"ECharts 简介","/document/echarts/guide","document/28.echarts/01.guide/01.index",[1011,1012,1016,1020,1024,1028,1032],{"title":1007,"path":1008,"stem":1009},{"title":1013,"path":1014,"stem":1015},"核心配置项","/document/echarts/guide/option","document/28.echarts/01.guide/02.option",{"title":1017,"path":1018,"stem":1019},"常用图表类型","/document/echarts/guide/charts","document/28.echarts/01.guide/03.charts",{"title":1021,"path":1022,"stem":1023},"样式与主题","/document/echarts/guide/style","document/28.echarts/01.guide/04.style",{"title":1025,"path":1026,"stem":1027},"交互与事件","/document/echarts/guide/interaction","document/28.echarts/01.guide/05.interaction",{"title":1029,"path":1030,"stem":1031},"动态数据","/document/echarts/guide/data","document/28.echarts/01.guide/06.data",{"title":1033,"path":1034,"stem":1035},"Vue3 实战","/document/echarts/guide/vue","document/28.echarts/01.guide/07.vue",{"title":1037,"icon":1038,"path":1039,"stem":1040,"children":1041,"page":50},"D3","i-simple-icons-d3dotjs","/document/d3","document/29.d3",[1042],{"title":1043,"path":1044,"stem":1045,"children":1046},"D3 简介","/document/d3/guide","document/29.d3/01.guide/01.index",[1047,1048,1052,1056,1060,1064,1068,1072],{"title":1043,"path":1044,"stem":1045},{"title":1049,"path":1050,"stem":1051},"选择集与数据绑定","/document/d3/guide/selection","document/29.d3/01.guide/02.selection",{"title":1053,"path":1054,"stem":1055},"比例尺","/document/d3/guide/scale","document/29.d3/01.guide/03.scale",{"title":1057,"path":1058,"stem":1059},"坐标轴","/document/d3/guide/axis","document/29.d3/01.guide/04.axis",{"title":1061,"path":1062,"stem":1063},"图形生成器","/document/d3/guide/shape","document/29.d3/01.guide/05.shape",{"title":1065,"path":1066,"stem":1067},"过渡动画","/document/d3/guide/transition","document/29.d3/01.guide/06.transition",{"title":1069,"path":1070,"stem":1071},"交互与缩放","/document/d3/guide/interaction","document/29.d3/01.guide/07.interaction",{"title":1033,"path":1073,"stem":1074},"/document/d3/guide/vue","document/29.d3/01.guide/08.vue",{"title":1076,"icon":1077,"path":1078,"stem":1079,"children":1080,"page":50},"Three.js","i-simple-icons-threedotjs","/document/threejs","document/30.threejs",[1081],{"title":1082,"path":1083,"stem":1084,"children":1085},"Three.js 简介","/document/threejs/guide","document/30.threejs/01.guide/01.index",[1086,1087,1091,1095,1099,1103,1107],{"title":1082,"path":1083,"stem":1084},{"title":1088,"path":1089,"stem":1090},"几何体与材质","/document/threejs/guide/geometry","document/30.threejs/01.guide/02.geometry",{"title":1092,"path":1093,"stem":1094},"灯光与阴影","/document/threejs/guide/light","document/30.threejs/01.guide/03.light",{"title":1096,"path":1097,"stem":1098},"相机与坐标系","/document/threejs/guide/camera","document/30.threejs/01.guide/04.camera",{"title":1100,"path":1101,"stem":1102},"动画与渲染循环","/document/threejs/guide/animation","document/30.threejs/01.guide/05.animation",{"title":1104,"path":1105,"stem":1106},"轨道控制器","/document/threejs/guide/control","document/30.threejs/01.guide/06.control",{"title":1033,"path":1108,"stem":1109},"/document/threejs/guide/vue","document/30.threejs/01.guide/07.vue",{"title":1111,"icon":865,"path":1112,"stem":1113,"children":1114,"page":50},"Node.js","/document/nodejs","document/32.nodejs",[1115],{"title":1116,"path":1117,"stem":1118,"children":1119},"Node.js 简介","/document/nodejs/guide","document/32.nodejs/01.guide/01.index",[1120,1121,1125,1129,1133,1137,1141,1145],{"title":1116,"path":1117,"stem":1118},{"title":1122,"path":1123,"stem":1124},"模块化","/document/nodejs/guide/module","document/32.nodejs/01.guide/02.module",{"title":1126,"path":1127,"stem":1128},"fs 文件系统","/document/nodejs/guide/fs","document/32.nodejs/01.guide/03.fs",{"title":1130,"path":1131,"stem":1132},"path 路径模块","/document/nodejs/guide/path","document/32.nodejs/01.guide/04.path",{"title":1134,"path":1135,"stem":1136},"http 搭建服务器","/document/nodejs/guide/http","document/32.nodejs/01.guide/05.http",{"title":1138,"path":1139,"stem":1140},"事件循环","/document/nodejs/guide/event-loop","document/32.nodejs/01.guide/06.event-loop",{"title":1142,"path":1143,"stem":1144},"process 与环境变量","/document/nodejs/guide/process","document/32.nodejs/01.guide/07.process",{"title":1146,"path":1147,"stem":1148},"events 事件模块","/document/nodejs/guide/events","document/32.nodejs/01.guide/08.events",{"title":1150,"icon":1151,"path":1152,"stem":1153,"children":1154,"page":50},"Express","i-simple-icons-express","/document/express","document/33.express",[1155],{"title":1156,"path":1157,"stem":1158,"children":1159},"Express 简介","/document/express/guide","document/33.express/01.guide/01.index",[1160,1161,1165,1169,1173,1177],{"title":1156,"path":1157,"stem":1158},{"title":1162,"path":1163,"stem":1164},"路由","/document/express/guide/routing","document/33.express/01.guide/02.routing",{"title":1166,"path":1167,"stem":1168},"中间件","/document/express/guide/middleware","document/33.express/01.guide/03.middleware",{"title":1170,"path":1171,"stem":1172},"请求与响应","/document/express/guide/request-response","document/33.express/01.guide/04.request-response",{"title":1174,"path":1175,"stem":1176},"错误处理","/document/express/guide/error-handling","document/33.express/01.guide/05.error-handling",{"title":1178,"path":1179,"stem":1180},"RESTful 实战","/document/express/guide/restful-api","document/33.express/01.guide/06.restful-api",{"title":1182,"icon":1183,"path":1184,"stem":1185,"children":1186,"page":50},"Koa","i-simple-icons-koa","/document/koa","document/34.koa",[1187],{"title":1188,"path":1189,"stem":1190,"children":1191},"Koa 简介","/document/koa/guide","document/34.koa/01.guide/01.index",[1192,1193,1197,1201,1204,1208],{"title":1188,"path":1189,"stem":1190},{"title":1194,"path":1195,"stem":1196},"Context 上下文","/document/koa/guide/context","document/34.koa/01.guide/02.context",{"title":1198,"path":1199,"stem":1200},"中间件与洋葱模型","/document/koa/guide/middleware","document/34.koa/01.guide/03.middleware",{"title":1162,"path":1202,"stem":1203},"/document/koa/guide/routing","document/34.koa/01.guide/04.routing",{"title":1205,"path":1206,"stem":1207},"请求体与错误处理","/document/koa/guide/body-and-error","document/34.koa/01.guide/05.body-and-error",{"title":1209,"path":1210,"stem":1211},"RESTful 接口实战","/document/koa/guide/restful-api","document/34.koa/01.guide/06.restful-api",{"title":1213,"icon":1214,"path":1215,"stem":1216,"children":1217,"page":50},"Egg.js","i-lucide-egg","/document/egg","document/35.egg",[1218],{"title":1219,"path":1220,"stem":1221,"children":1222},"Egg.js 简介","/document/egg/guide","document/35.egg/01.guide/01.index",[1223,1224,1228,1232,1236,1240],{"title":1219,"path":1220,"stem":1221},{"title":1225,"path":1226,"stem":1227},"路由与 Controller","/document/egg/guide/router-controller","document/35.egg/01.guide/02.router-controller",{"title":1229,"path":1230,"stem":1231},"Service 业务逻辑","/document/egg/guide/service","document/35.egg/01.guide/03.service",{"title":1233,"path":1234,"stem":1235},"配置与中间件","/document/egg/guide/config-middleware","document/35.egg/01.guide/04.config-middleware",{"title":1237,"path":1238,"stem":1239},"插件与扩展","/document/egg/guide/plugin-extend","document/35.egg/01.guide/05.plugin-extend",{"title":1209,"path":1241,"stem":1242},"/document/egg/guide/restful-api","document/35.egg/01.guide/06.restful-api",{"title":1244,"icon":1245,"path":1246,"stem":1247,"children":1248,"page":50},"Docker","i-simple-icons-docker","/document/docker","document/36.docker",[1249],{"title":1250,"path":1251,"stem":1252,"children":1253},"Docker 简介","/document/docker/guide","document/36.docker/01.guide/01.index",[1254,1255,1259,1263,1267],{"title":1250,"path":1251,"stem":1252},{"title":1256,"path":1257,"stem":1258},"镜像与容器","/document/docker/guide/image-container","document/36.docker/01.guide/02.image-container",{"title":1260,"path":1261,"stem":1262},"数据卷","/document/docker/guide/volume","document/36.docker/01.guide/03.volume",{"title":1264,"path":1265,"stem":1266},"Dockerfile","/document/docker/guide/dockerfile","document/36.docker/01.guide/04.dockerfile",{"title":1268,"path":1269,"stem":1270},"Docker Compose","/document/docker/guide/docker-compose","document/36.docker/01.guide/05.docker-compose",{"title":1272,"icon":1273,"path":1274,"stem":1275,"children":1276,"page":50},"MySQL","i-simple-icons-mysql","/document/mysql","document/37.mysql",[1277],{"title":1278,"path":1279,"stem":1280,"children":1281},"MySQL 简介","/document/mysql/guide","document/37.mysql/01.guide/01.index",[1282,1283,1287,1291,1295,1299,1303],{"title":1278,"path":1279,"stem":1280},{"title":1284,"path":1285,"stem":1286},"增删改查","/document/mysql/guide/crud","document/37.mysql/01.guide/02.crud",{"title":1288,"path":1289,"stem":1290},"条件查询与分页","/document/mysql/guide/query","document/37.mysql/01.guide/03.query",{"title":1292,"path":1293,"stem":1294},"数据类型与约束","/document/mysql/guide/data-type","document/37.mysql/01.guide/04.data-type",{"title":1296,"path":1297,"stem":1298},"多表关联查询","/document/mysql/guide/join","document/37.mysql/01.guide/05.join",{"title":1300,"path":1301,"stem":1302},"Node.js 操作 MySQL","/document/mysql/guide/nodejs","document/37.mysql/01.guide/06.nodejs",{"title":1304,"path":1305,"stem":1306},"索引与优化","/document/mysql/guide/optimize","document/37.mysql/01.guide/07.optimize",{"title":1308,"icon":1309,"path":1310,"stem":1311,"children":1312,"page":50},"MongoDB","i-simple-icons-mongodb","/document/mongodb","document/38.mongodb",[1313],{"title":1314,"path":1315,"stem":1316,"children":1317},"MongoDB 简介","/document/mongodb/guide","document/38.mongodb/01.guide/01.index",[1318,1319,1322,1326,1330,1334,1338,1342],{"title":1314,"path":1315,"stem":1316},{"title":1284,"path":1320,"stem":1321},"/document/mongodb/guide/crud","document/38.mongodb/01.guide/02.crud",{"title":1323,"path":1324,"stem":1325},"条件查询","/document/mongodb/guide/query","document/38.mongodb/01.guide/03.query",{"title":1327,"path":1328,"stem":1329},"文档与数据类型","/document/mongodb/guide/document","document/38.mongodb/01.guide/04.document",{"title":1331,"path":1332,"stem":1333},"Node.js 操作 MongoDB","/document/mongodb/guide/nodejs","document/38.mongodb/01.guide/05.nodejs",{"title":1335,"path":1336,"stem":1337},"Mongoose","/document/mongodb/guide/mongoose","document/38.mongodb/01.guide/06.mongoose",{"title":1339,"path":1340,"stem":1341},"索引","/document/mongodb/guide/optimize","document/38.mongodb/01.guide/07.optimize",{"title":1343,"path":1344,"stem":1345},"聚合管道","/document/mongodb/guide/aggregate","document/38.mongodb/01.guide/08.aggregate",{"title":1347,"icon":1348,"path":1349,"stem":1350,"children":1351,"page":50},"GraphQL","i-simple-icons-graphql","/document/graphql","document/39.graphql",[1352],{"title":1353,"path":1354,"stem":1355,"children":1356},"GraphQL 简介","/document/graphql/guide","document/39.graphql/01.guide/01.index",[1357,1358,1362,1366,1370,1374],{"title":1353,"path":1354,"stem":1355},{"title":1359,"path":1360,"stem":1361},"类型系统","/document/graphql/guide/schema","document/39.graphql/01.guide/02.schema",{"title":1363,"path":1364,"stem":1365},"查询进阶","/document/graphql/guide/query","document/39.graphql/01.guide/03.query",{"title":1367,"path":1368,"stem":1369},"Mutation 增删改","/document/graphql/guide/mutation","document/39.graphql/01.guide/04.mutation",{"title":1371,"path":1372,"stem":1373},"Express 集成","/document/graphql/guide/express","document/39.graphql/01.guide/05.express",{"title":1375,"path":1376,"stem":1377},"前端调用","/document/graphql/guide/client","document/39.graphql/01.guide/06.client",{"title":1379,"icon":1380,"path":1381,"stem":1382,"children":1383,"page":50},"Vue2 源码","i-simple-icons-vuedotjs","/document/source-vue2","document/40.source-vue2",[1384],{"title":1385,"path":1386,"stem":1387,"children":1388},"Vue2 源码简介","/document/source-vue2/guide","document/40.source-vue2/01.guide/01.index",[1389,1390,1394,1398,1402,1406,1410,1414],{"title":1385,"path":1386,"stem":1387},{"title":1391,"path":1392,"stem":1393},"初始化流程","/document/source-vue2/guide/init","document/40.source-vue2/01.guide/02.init",{"title":1395,"path":1396,"stem":1397},"响应式原理","/document/source-vue2/guide/reactive","document/40.source-vue2/01.guide/03.reactive",{"title":1399,"path":1400,"stem":1401},"Dep 与 Watcher","/document/source-vue2/guide/dep-watcher","document/40.source-vue2/01.guide/04.dep-watcher",{"title":1403,"path":1404,"stem":1405},"异步更新与 nextTick","/document/source-vue2/guide/nexttick","document/40.source-vue2/01.guide/05.nexttick",{"title":1407,"path":1408,"stem":1409},"虚拟 DOM 与 patch","/document/source-vue2/guide/vnode-patch","document/40.source-vue2/01.guide/06.vnode-patch",{"title":1411,"path":1412,"stem":1413},"模板编译","/document/source-vue2/guide/compile","document/40.source-vue2/01.guide/07.compile",{"title":1415,"path":1416,"stem":1417},"computed 与 watch 原理","/document/source-vue2/guide/computed-watch","document/40.source-vue2/01.guide/08.computed-watch",{"title":1419,"icon":1380,"path":1420,"stem":1421,"children":1422,"page":50},"Vue3 源码","/document/source-vue3","document/41.source-vue3",[1423],{"title":1424,"path":1425,"stem":1426,"children":1427},"Vue3 源码简介","/document/source-vue3/guide","document/41.source-vue3/01.guide/01.index",[1428,1429,1433,1437,1441,1445,1449,1452],{"title":1424,"path":1425,"stem":1426},{"title":1430,"path":1431,"stem":1432},"创建与挂载","/document/source-vue3/guide/create-app","document/41.source-vue3/01.guide/02.create-app",{"title":1434,"path":1435,"stem":1436},"Proxy 响应式","/document/source-vue3/guide/reactive","document/41.source-vue3/01.guide/03.reactive",{"title":1438,"path":1439,"stem":1440},"effect 与依赖收集","/document/source-vue3/guide/effect","document/41.source-vue3/01.guide/04.effect",{"title":1442,"path":1443,"stem":1444},"ref 与 computed","/document/source-vue3/guide/ref-computed","document/41.source-vue3/01.guide/05.ref-computed",{"title":1446,"path":1447,"stem":1448},"调度器与 nextTick","/document/source-vue3/guide/scheduler-nexttick","document/41.source-vue3/01.guide/06.scheduler-nexttick",{"title":1407,"path":1450,"stem":1451},"/document/source-vue3/guide/vnode-patch","document/41.source-vue3/01.guide/07.vnode-patch",{"title":1411,"path":1453,"stem":1454},"/document/source-vue3/guide/compile","document/41.source-vue3/01.guide/08.compile",{"title":1456,"icon":1457,"path":1458,"stem":1459,"children":1460,"page":50},"性能优化","i-lucide-zap","/document/performance","document/42.performance",[1461],{"title":1462,"path":1463,"stem":1464,"children":1465},"性能优化简介","/document/performance/guide","document/42.performance/01.guide/01.index",[1466,1467,1471,1475,1479,1483],{"title":1462,"path":1463,"stem":1464},{"title":1468,"path":1469,"stem":1470},"加载优化","/document/performance/guide/loading","document/42.performance/01.guide/02.loading",{"title":1472,"path":1473,"stem":1474},"渲染优化","/document/performance/guide/rendering","document/42.performance/01.guide/03.rendering",{"title":1476,"path":1477,"stem":1478},"缓存策略","/document/performance/guide/cache","document/42.performance/01.guide/04.cache",{"title":1480,"path":1481,"stem":1482},"构建产物优化","/document/performance/guide/build","document/42.performance/01.guide/05.build",{"title":1484,"path":1485,"stem":1486},"性能指标与工具","/document/performance/guide/metrics","document/42.performance/01.guide/06.metrics",{"title":1488,"icon":1489,"path":1490,"stem":1491,"children":1492,"page":50},"前端监控","i-lucide-activity","/document/monitor","document/43.monitor",[1493],{"title":1494,"path":1495,"stem":1496,"children":1497},"前端监控简介","/document/monitor/guide","document/43.monitor/01.guide/01.index",[1498,1499,1503,1507,1511,1515],{"title":1494,"path":1495,"stem":1496},{"title":1500,"path":1501,"stem":1502},"错误采集","/document/monitor/guide/error","document/43.monitor/01.guide/02.error",{"title":1504,"path":1505,"stem":1506},"埋点与上报","/document/monitor/guide/tracking","document/43.monitor/01.guide/03.tracking",{"title":1508,"path":1509,"stem":1510},"性能数据上报","/document/monitor/guide/performance-data","document/43.monitor/01.guide/04.performance-data",{"title":1512,"path":1513,"stem":1514},"Sentry 实践","/document/monitor/guide/sentry","document/43.monitor/01.guide/05.sentry",{"title":1516,"path":1517,"stem":1518},"日志与告警","/document/monitor/guide/logging","document/43.monitor/01.guide/06.logging",{"id":1520,"title":1521,"body":1522,"description":4411,"extension":4412,"links":4413,"meta":4414,"navigation":4415,"path":1179,"seo":4416,"stem":1180,"__hash__":4417},"docs/document/33.express/01.guide/06.restful-api.md","RESTful 接口实战：用户增删改查",{"type":1523,"value":1524,"toc":4397},"minimal",[1525,1530,1534,1537,1541,1548,1619,1626,1632,1634,1638,1641,1705,1712,1908,1910,1914,1917,2266,2277,2279,2283,2286,2571,2573,2577,2580,3150,3152,3156,3163,3565,3572,3728,3730,3734,3745,3760,3765,3776,3792,3953,3960,3962,3966,3973,4191,4201,4203,4207,4229,4231,4235,4240,4243,4248,4255,4260,4270,4275,4278,4280,4284,4313,4379,4388,4390,4393],[1526,1527,1529],"h2",{"id":1528},"引言","🎯 引言",[1531,1532,1533],"p",{},"这篇是课程的综合实战。学完这篇文章，你能把前面学过的路由、Router、中间件、错误处理全部串起来，从零搭出一套规范的用户增删改查接口，还能解决前端请求时的跨域问题，让前后端真正联动起来。",[1535,1536],"hr",{},[1526,1538,1540],{"id":1539},"什么是-restful","🧱 什么是 RESTful",[1531,1542,1543,1547],{},[1544,1545,1546],"strong",{},"RESTful 是一种接口设计风格","，核心思想是：用 URL 表示资源，用请求方法表示操作。以“用户”这个资源为例：",[1549,1550,1551,1564],"table",{},[1552,1553,1554],"thead",{},[1555,1556,1557,1561],"tr",{},[1558,1559,1560],"th",{},"请求方法与地址",[1558,1562,1563],{},"含义",[1565,1566,1567,1579,1589,1599,1609],"tbody",{},[1555,1568,1569,1576],{},[1570,1571,1572],"td",{},[1573,1574,1575],"code",{},"GET /users",[1570,1577,1578],{},"获取用户列表",[1555,1580,1581,1586],{},[1570,1582,1583],{},[1573,1584,1585],{},"GET /users/1",[1570,1587,1588],{},"获取 1 号用户详情",[1555,1590,1591,1596],{},[1570,1592,1593],{},[1573,1594,1595],{},"POST /users",[1570,1597,1598],{},"新增一个用户",[1555,1600,1601,1606],{},[1570,1602,1603],{},[1573,1604,1605],{},"PUT /users/1",[1570,1607,1608],{},"更新 1 号用户",[1555,1610,1611,1616],{},[1570,1612,1613],{},[1573,1614,1615],{},"DELETE /users/1",[1570,1617,1618],{},"删除 1 号用户",[1531,1620,1621,1622,1625],{},"地址统一是 ",[1573,1623,1624],{},"/users","，操作语义全在请求方法上。接口一多，这种风格的好处就出来了：看一眼地址和方法，就知道这个接口是干什么的。",[1627,1628,1629],"tip",{},[1531,1630,1631],{},"真实项目里数据存在数据库中。本篇先用内存数组代替，重点掌握接口的完整结构，之后学了数据库，把数组操作换成数据库操作即可。",[1535,1633],{},[1526,1635,1637],{"id":1636},"搭建项目骨架","🛠 搭建项目骨架",[1531,1639,1640],{},"在上一篇的项目基础上继续。先规划目录结构：",[1642,1643,1648],"pre",{"className":1644,"code":1645,"language":1646,"meta":1647,"style":1647},"language-bash shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","express-demo\n├── app.js            # 入口：挂载中间件和路由\n├── routes\n│   └── user.js       # 用户模块的所有接口\n└── package.json\n","bash","",[1573,1649,1650,1659,1673,1681,1696],{"__ignoreMap":1647},[1651,1652,1655],"span",{"class":1653,"line":1654},"line",1,[1651,1656,1658],{"class":1657},"sYGMc","express-demo\n",[1651,1660,1662,1665,1669],{"class":1653,"line":1661},2,[1651,1663,1664],{"class":1657},"├──",[1651,1666,1668],{"class":1667},"sIEYB"," app.js",[1651,1670,1672],{"class":1671},"syuKq","            # 入口：挂载中间件和路由\n",[1651,1674,1676,1678],{"class":1653,"line":1675},3,[1651,1677,1664],{"class":1657},[1651,1679,1680],{"class":1667}," routes\n",[1651,1682,1684,1687,1690,1693],{"class":1653,"line":1683},4,[1651,1685,1686],{"class":1657},"│",[1651,1688,1689],{"class":1667},"   └──",[1651,1691,1692],{"class":1667}," user.js",[1651,1694,1695],{"class":1671},"       # 用户模块的所有接口\n",[1651,1697,1699,1702],{"class":1653,"line":1698},5,[1651,1700,1701],{"class":1657},"└──",[1651,1703,1704],{"class":1667}," package.json\n",[1531,1706,1707,1708,1711],{},"用 Router 把用户接口拆到 ",[1573,1709,1710],{},"routes/user.js","，数据用一个内存数组模拟：",[1642,1713,1717],{"className":1714,"code":1715,"filename":1710,"language":1716,"meta":1647,"style":1647},"language-js shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","import { Router } from 'express';\n\nconst router = Router();\n\n// 模拟数据库：内存数组\nlet users = [\n    { id: 1, name: '小明', age: 18 },\n    { id: 2, name: '小红', age: 20 },\n];\n\nexport default router;\n","js",[1573,1718,1719,1751,1757,1777,1781,1786,1800,1845,1881,1889,1894],{"__ignoreMap":1647},[1651,1720,1721,1725,1729,1733,1736,1739,1742,1745,1748],{"class":1653,"line":1654},[1651,1722,1724],{"class":1723},"s8pZq","import",[1651,1726,1728],{"class":1727},"s86vT"," {",[1651,1730,1732],{"class":1731},"sndM8"," Router",[1651,1734,1735],{"class":1727}," }",[1651,1737,1738],{"class":1723}," from",[1651,1740,1741],{"class":1727}," '",[1651,1743,1744],{"class":1667},"express",[1651,1746,1747],{"class":1727},"'",[1651,1749,1750],{"class":1727},";\n",[1651,1752,1753],{"class":1653,"line":1661},[1651,1754,1756],{"emptyLinePlaceholder":1755},true,"\n",[1651,1758,1759,1763,1766,1769,1772,1775],{"class":1653,"line":1675},[1651,1760,1762],{"class":1761},"s50WR","const",[1651,1764,1765],{"class":1731}," router ",[1651,1767,1768],{"class":1727},"=",[1651,1770,1732],{"class":1771},"swgpB",[1651,1773,1774],{"class":1731},"()",[1651,1776,1750],{"class":1727},[1651,1778,1779],{"class":1653,"line":1683},[1651,1780,1756],{"emptyLinePlaceholder":1755},[1651,1782,1783],{"class":1653,"line":1698},[1651,1784,1785],{"class":1671},"// 模拟数据库：内存数组\n",[1651,1787,1789,1792,1795,1797],{"class":1653,"line":1788},6,[1651,1790,1791],{"class":1761},"let",[1651,1793,1794],{"class":1731}," users ",[1651,1796,1768],{"class":1727},[1651,1798,1799],{"class":1731}," [\n",[1651,1801,1803,1806,1810,1813,1817,1820,1823,1825,1827,1830,1832,1834,1837,1839,1842],{"class":1653,"line":1802},7,[1651,1804,1805],{"class":1727},"    {",[1651,1807,1809],{"class":1808},"sd2Uz"," id",[1651,1811,1812],{"class":1727},":",[1651,1814,1816],{"class":1815},"smPcV"," 1",[1651,1818,1819],{"class":1727},",",[1651,1821,1822],{"class":1808}," name",[1651,1824,1812],{"class":1727},[1651,1826,1741],{"class":1727},[1651,1828,1829],{"class":1667},"小明",[1651,1831,1747],{"class":1727},[1651,1833,1819],{"class":1727},[1651,1835,1836],{"class":1808}," age",[1651,1838,1812],{"class":1727},[1651,1840,1841],{"class":1815}," 18",[1651,1843,1844],{"class":1727}," },\n",[1651,1846,1848,1850,1852,1854,1857,1859,1861,1863,1865,1868,1870,1872,1874,1876,1879],{"class":1653,"line":1847},8,[1651,1849,1805],{"class":1727},[1651,1851,1809],{"class":1808},[1651,1853,1812],{"class":1727},[1651,1855,1856],{"class":1815}," 2",[1651,1858,1819],{"class":1727},[1651,1860,1822],{"class":1808},[1651,1862,1812],{"class":1727},[1651,1864,1741],{"class":1727},[1651,1866,1867],{"class":1667},"小红",[1651,1869,1747],{"class":1727},[1651,1871,1819],{"class":1727},[1651,1873,1836],{"class":1808},[1651,1875,1812],{"class":1727},[1651,1877,1878],{"class":1815}," 20",[1651,1880,1844],{"class":1727},[1651,1882,1884,1887],{"class":1653,"line":1883},9,[1651,1885,1886],{"class":1731},"]",[1651,1888,1750],{"class":1727},[1651,1890,1892],{"class":1653,"line":1891},10,[1651,1893,1756],{"emptyLinePlaceholder":1755},[1651,1895,1897,1900,1903,1906],{"class":1653,"line":1896},11,[1651,1898,1899],{"class":1723},"export",[1651,1901,1902],{"class":1723}," default",[1651,1904,1905],{"class":1731}," router",[1651,1907,1750],{"class":1727},[1535,1909],{},[1526,1911,1913],{"id":1912},"查询接口列表与详情","🛠 查询接口：列表与详情",[1531,1915,1916],{},"两个 GET 接口：列表返回整个数组，详情用路径参数找指定用户，找不到就返回 404：",[1642,1918,1920],{"className":1714,"code":1919,"filename":1710,"language":1716,"meta":1647,"style":1647},"// GET /users：用户列表\nrouter.get('/', (req, res) => {\n    res.json({ code: 0, data: users });\n});\n\n// GET /users/:id：用户详情\nrouter.get('/:id', (req, res) => {\n    const id = Number(req.params.id);\n    const user = users.find((item) => item.id === id);\n\n    if (!user) {\n        return res.status(404).json({ code: 404, message: '用户不存在' });\n    }\n\n    res.json({ code: 0, data: user });\n});\n",[1573,1921,1922,1927,1971,2010,2019,2023,2028,2061,2092,2135,2139,2158,2213,2219,2224,2257],{"__ignoreMap":1647},[1651,1923,1924],{"class":1653,"line":1654},[1651,1925,1926],{"class":1671},"// GET /users：用户列表\n",[1651,1928,1929,1932,1935,1938,1941,1943,1946,1948,1950,1953,1957,1959,1962,1965,1968],{"class":1653,"line":1661},[1651,1930,1931],{"class":1731},"router",[1651,1933,1934],{"class":1727},".",[1651,1936,1937],{"class":1771},"get",[1651,1939,1940],{"class":1731},"(",[1651,1942,1747],{"class":1727},[1651,1944,1945],{"class":1667},"/",[1651,1947,1747],{"class":1727},[1651,1949,1819],{"class":1727},[1651,1951,1952],{"class":1727}," (",[1651,1954,1956],{"class":1955},"sK9QF","req",[1651,1958,1819],{"class":1727},[1651,1960,1961],{"class":1955}," res",[1651,1963,1964],{"class":1727},")",[1651,1966,1967],{"class":1761}," =>",[1651,1969,1970],{"class":1727}," {\n",[1651,1972,1973,1976,1978,1981,1983,1986,1989,1991,1994,1996,1999,2001,2004,2006,2008],{"class":1653,"line":1675},[1651,1974,1975],{"class":1731},"    res",[1651,1977,1934],{"class":1727},[1651,1979,1980],{"class":1771},"json",[1651,1982,1940],{"class":1808},[1651,1984,1985],{"class":1727},"{",[1651,1987,1988],{"class":1808}," code",[1651,1990,1812],{"class":1727},[1651,1992,1993],{"class":1815}," 0",[1651,1995,1819],{"class":1727},[1651,1997,1998],{"class":1808}," data",[1651,2000,1812],{"class":1727},[1651,2002,2003],{"class":1731}," users",[1651,2005,1735],{"class":1727},[1651,2007,1964],{"class":1808},[1651,2009,1750],{"class":1727},[1651,2011,2012,2015,2017],{"class":1653,"line":1683},[1651,2013,2014],{"class":1727},"}",[1651,2016,1964],{"class":1731},[1651,2018,1750],{"class":1727},[1651,2020,2021],{"class":1653,"line":1698},[1651,2022,1756],{"emptyLinePlaceholder":1755},[1651,2024,2025],{"class":1653,"line":1788},[1651,2026,2027],{"class":1671},"// GET /users/:id：用户详情\n",[1651,2029,2030,2032,2034,2036,2038,2040,2043,2045,2047,2049,2051,2053,2055,2057,2059],{"class":1653,"line":1802},[1651,2031,1931],{"class":1731},[1651,2033,1934],{"class":1727},[1651,2035,1937],{"class":1771},[1651,2037,1940],{"class":1731},[1651,2039,1747],{"class":1727},[1651,2041,2042],{"class":1667},"/:id",[1651,2044,1747],{"class":1727},[1651,2046,1819],{"class":1727},[1651,2048,1952],{"class":1727},[1651,2050,1956],{"class":1955},[1651,2052,1819],{"class":1727},[1651,2054,1961],{"class":1955},[1651,2056,1964],{"class":1727},[1651,2058,1967],{"class":1761},[1651,2060,1970],{"class":1727},[1651,2062,2063,2066,2068,2071,2074,2076,2078,2080,2083,2085,2088,2090],{"class":1653,"line":1847},[1651,2064,2065],{"class":1761},"    const",[1651,2067,1809],{"class":1731},[1651,2069,2070],{"class":1727}," =",[1651,2072,2073],{"class":1771}," Number",[1651,2075,1940],{"class":1808},[1651,2077,1956],{"class":1731},[1651,2079,1934],{"class":1727},[1651,2081,2082],{"class":1731},"params",[1651,2084,1934],{"class":1727},[1651,2086,2087],{"class":1731},"id",[1651,2089,1964],{"class":1808},[1651,2091,1750],{"class":1727},[1651,2093,2094,2096,2099,2101,2103,2105,2108,2110,2112,2115,2117,2119,2122,2124,2126,2129,2131,2133],{"class":1653,"line":1883},[1651,2095,2065],{"class":1761},[1651,2097,2098],{"class":1731}," user",[1651,2100,2070],{"class":1727},[1651,2102,2003],{"class":1731},[1651,2104,1934],{"class":1727},[1651,2106,2107],{"class":1771},"find",[1651,2109,1940],{"class":1808},[1651,2111,1940],{"class":1727},[1651,2113,2114],{"class":1955},"item",[1651,2116,1964],{"class":1727},[1651,2118,1967],{"class":1761},[1651,2120,2121],{"class":1731}," item",[1651,2123,1934],{"class":1727},[1651,2125,2087],{"class":1731},[1651,2127,2128],{"class":1727}," ===",[1651,2130,1809],{"class":1731},[1651,2132,1964],{"class":1808},[1651,2134,1750],{"class":1727},[1651,2136,2137],{"class":1653,"line":1891},[1651,2138,1756],{"emptyLinePlaceholder":1755},[1651,2140,2141,2144,2146,2149,2152,2155],{"class":1653,"line":1896},[1651,2142,2143],{"class":1723},"    if",[1651,2145,1952],{"class":1808},[1651,2147,2148],{"class":1727},"!",[1651,2150,2151],{"class":1731},"user",[1651,2153,2154],{"class":1808},") ",[1651,2156,2157],{"class":1727},"{\n",[1651,2159,2161,2164,2166,2168,2171,2173,2176,2178,2180,2182,2184,2186,2188,2190,2193,2195,2198,2200,2202,2205,2207,2209,2211],{"class":1653,"line":2160},12,[1651,2162,2163],{"class":1723},"        return",[1651,2165,1961],{"class":1731},[1651,2167,1934],{"class":1727},[1651,2169,2170],{"class":1771},"status",[1651,2172,1940],{"class":1808},[1651,2174,2175],{"class":1815},"404",[1651,2177,1964],{"class":1808},[1651,2179,1934],{"class":1727},[1651,2181,1980],{"class":1771},[1651,2183,1940],{"class":1808},[1651,2185,1985],{"class":1727},[1651,2187,1988],{"class":1808},[1651,2189,1812],{"class":1727},[1651,2191,2192],{"class":1815}," 404",[1651,2194,1819],{"class":1727},[1651,2196,2197],{"class":1808}," message",[1651,2199,1812],{"class":1727},[1651,2201,1741],{"class":1727},[1651,2203,2204],{"class":1667},"用户不存在",[1651,2206,1747],{"class":1727},[1651,2208,1735],{"class":1727},[1651,2210,1964],{"class":1808},[1651,2212,1750],{"class":1727},[1651,2214,2216],{"class":1653,"line":2215},13,[1651,2217,2218],{"class":1727},"    }\n",[1651,2220,2222],{"class":1653,"line":2221},14,[1651,2223,1756],{"emptyLinePlaceholder":1755},[1651,2225,2227,2229,2231,2233,2235,2237,2239,2241,2243,2245,2247,2249,2251,2253,2255],{"class":1653,"line":2226},15,[1651,2228,1975],{"class":1731},[1651,2230,1934],{"class":1727},[1651,2232,1980],{"class":1771},[1651,2234,1940],{"class":1808},[1651,2236,1985],{"class":1727},[1651,2238,1988],{"class":1808},[1651,2240,1812],{"class":1727},[1651,2242,1993],{"class":1815},[1651,2244,1819],{"class":1727},[1651,2246,1998],{"class":1808},[1651,2248,1812],{"class":1727},[1651,2250,2098],{"class":1731},[1651,2252,1735],{"class":1727},[1651,2254,1964],{"class":1808},[1651,2256,1750],{"class":1727},[1651,2258,2260,2262,2264],{"class":1653,"line":2259},16,[1651,2261,2014],{"class":1727},[1651,2263,1964],{"class":1731},[1651,2265,1750],{"class":1727},[1531,2267,2268,2269,2272,2273,2276],{},"注意 ",[1573,2270,2271],{},"req.params.id"," 是字符串，要用 ",[1573,2274,2275],{},"Number()"," 转成数字再比较。",[1535,2278],{},[1526,2280,2282],{"id":2281},"新增接口post","🛠 新增接口：POST",[1531,2284,2285],{},"客户端把新用户数据放在请求体里提交，服务器解析后生成 id 加入数组：",[1642,2287,2289],{"className":1714,"code":2288,"filename":1710,"language":1716,"meta":1647,"style":1647},"// POST /users：新增用户\nrouter.post('/', (req, res) => {\n    const { name, age } = req.body;\n\n    if (!name) {\n        return res.status(400).json({ code: 400, message: 'name 不能为空' });\n    }\n\n    const newUser = {\n        id: users.length + 1,\n        name,\n        age,\n    };\n\n    users.push(newUser);\n\n    // 创建成功，按 REST 规范返回 201\n    res.status(201).json({ code: 0, data: newUser });\n});\n",[1573,2290,2291,2296,2329,2355,2359,2374,2425,2429,2433,2444,2466,2473,2480,2485,2489,2508,2512,2518,2562],{"__ignoreMap":1647},[1651,2292,2293],{"class":1653,"line":1654},[1651,2294,2295],{"class":1671},"// POST /users：新增用户\n",[1651,2297,2298,2300,2302,2305,2307,2309,2311,2313,2315,2317,2319,2321,2323,2325,2327],{"class":1653,"line":1661},[1651,2299,1931],{"class":1731},[1651,2301,1934],{"class":1727},[1651,2303,2304],{"class":1771},"post",[1651,2306,1940],{"class":1731},[1651,2308,1747],{"class":1727},[1651,2310,1945],{"class":1667},[1651,2312,1747],{"class":1727},[1651,2314,1819],{"class":1727},[1651,2316,1952],{"class":1727},[1651,2318,1956],{"class":1955},[1651,2320,1819],{"class":1727},[1651,2322,1961],{"class":1955},[1651,2324,1964],{"class":1727},[1651,2326,1967],{"class":1761},[1651,2328,1970],{"class":1727},[1651,2330,2331,2333,2335,2337,2339,2341,2343,2345,2348,2350,2353],{"class":1653,"line":1675},[1651,2332,2065],{"class":1761},[1651,2334,1728],{"class":1727},[1651,2336,1822],{"class":1731},[1651,2338,1819],{"class":1727},[1651,2340,1836],{"class":1731},[1651,2342,1735],{"class":1727},[1651,2344,2070],{"class":1727},[1651,2346,2347],{"class":1731}," req",[1651,2349,1934],{"class":1727},[1651,2351,2352],{"class":1731},"body",[1651,2354,1750],{"class":1727},[1651,2356,2357],{"class":1653,"line":1683},[1651,2358,1756],{"emptyLinePlaceholder":1755},[1651,2360,2361,2363,2365,2367,2370,2372],{"class":1653,"line":1698},[1651,2362,2143],{"class":1723},[1651,2364,1952],{"class":1808},[1651,2366,2148],{"class":1727},[1651,2368,2369],{"class":1731},"name",[1651,2371,2154],{"class":1808},[1651,2373,2157],{"class":1727},[1651,2375,2376,2378,2380,2382,2384,2386,2389,2391,2393,2395,2397,2399,2401,2403,2406,2408,2410,2412,2414,2417,2419,2421,2423],{"class":1653,"line":1788},[1651,2377,2163],{"class":1723},[1651,2379,1961],{"class":1731},[1651,2381,1934],{"class":1727},[1651,2383,2170],{"class":1771},[1651,2385,1940],{"class":1808},[1651,2387,2388],{"class":1815},"400",[1651,2390,1964],{"class":1808},[1651,2392,1934],{"class":1727},[1651,2394,1980],{"class":1771},[1651,2396,1940],{"class":1808},[1651,2398,1985],{"class":1727},[1651,2400,1988],{"class":1808},[1651,2402,1812],{"class":1727},[1651,2404,2405],{"class":1815}," 400",[1651,2407,1819],{"class":1727},[1651,2409,2197],{"class":1808},[1651,2411,1812],{"class":1727},[1651,2413,1741],{"class":1727},[1651,2415,2416],{"class":1667},"name 不能为空",[1651,2418,1747],{"class":1727},[1651,2420,1735],{"class":1727},[1651,2422,1964],{"class":1808},[1651,2424,1750],{"class":1727},[1651,2426,2427],{"class":1653,"line":1802},[1651,2428,2218],{"class":1727},[1651,2430,2431],{"class":1653,"line":1847},[1651,2432,1756],{"emptyLinePlaceholder":1755},[1651,2434,2435,2437,2440,2442],{"class":1653,"line":1883},[1651,2436,2065],{"class":1761},[1651,2438,2439],{"class":1731}," newUser",[1651,2441,2070],{"class":1727},[1651,2443,1970],{"class":1727},[1651,2445,2446,2449,2451,2453,2455,2458,2461,2463],{"class":1653,"line":1891},[1651,2447,2448],{"class":1808},"        id",[1651,2450,1812],{"class":1727},[1651,2452,2003],{"class":1731},[1651,2454,1934],{"class":1727},[1651,2456,2457],{"class":1731},"length",[1651,2459,2460],{"class":1727}," +",[1651,2462,1816],{"class":1815},[1651,2464,2465],{"class":1727},",\n",[1651,2467,2468,2471],{"class":1653,"line":1896},[1651,2469,2470],{"class":1731},"        name",[1651,2472,2465],{"class":1727},[1651,2474,2475,2478],{"class":1653,"line":2160},[1651,2476,2477],{"class":1731},"        age",[1651,2479,2465],{"class":1727},[1651,2481,2482],{"class":1653,"line":2215},[1651,2483,2484],{"class":1727},"    };\n",[1651,2486,2487],{"class":1653,"line":2221},[1651,2488,1756],{"emptyLinePlaceholder":1755},[1651,2490,2491,2494,2496,2499,2501,2504,2506],{"class":1653,"line":2226},[1651,2492,2493],{"class":1731},"    users",[1651,2495,1934],{"class":1727},[1651,2497,2498],{"class":1771},"push",[1651,2500,1940],{"class":1808},[1651,2502,2503],{"class":1731},"newUser",[1651,2505,1964],{"class":1808},[1651,2507,1750],{"class":1727},[1651,2509,2510],{"class":1653,"line":2259},[1651,2511,1756],{"emptyLinePlaceholder":1755},[1651,2513,2515],{"class":1653,"line":2514},17,[1651,2516,2517],{"class":1671},"    // 创建成功，按 REST 规范返回 201\n",[1651,2519,2521,2523,2525,2527,2529,2532,2534,2536,2538,2540,2542,2544,2546,2548,2550,2552,2554,2556,2558,2560],{"class":1653,"line":2520},18,[1651,2522,1975],{"class":1731},[1651,2524,1934],{"class":1727},[1651,2526,2170],{"class":1771},[1651,2528,1940],{"class":1808},[1651,2530,2531],{"class":1815},"201",[1651,2533,1964],{"class":1808},[1651,2535,1934],{"class":1727},[1651,2537,1980],{"class":1771},[1651,2539,1940],{"class":1808},[1651,2541,1985],{"class":1727},[1651,2543,1988],{"class":1808},[1651,2545,1812],{"class":1727},[1651,2547,1993],{"class":1815},[1651,2549,1819],{"class":1727},[1651,2551,1998],{"class":1808},[1651,2553,1812],{"class":1727},[1651,2555,2439],{"class":1731},[1651,2557,1735],{"class":1727},[1651,2559,1964],{"class":1808},[1651,2561,1750],{"class":1727},[1651,2563,2565,2567,2569],{"class":1653,"line":2564},19,[1651,2566,2014],{"class":1727},[1651,2568,1964],{"class":1731},[1651,2570,1750],{"class":1727},[1535,2572],{},[1526,2574,2576],{"id":2575},"更新与删除接口putdelete","🛠 更新与删除接口：PUT、DELETE",[1531,2578,2579],{},"更新和删除都要先按 id 找到目标用户，找不到返回 404：",[1642,2581,2583],{"className":1714,"code":2582,"filename":1710,"language":1716,"meta":1647,"style":1647},"// PUT /users/:id：更新用户\nrouter.put('/:id', (req, res) => {\n    const id = Number(req.params.id);\n    const user = users.find((item) => item.id === id);\n\n    if (!user) {\n        return res.status(404).json({ code: 404, message: '用户不存在' });\n    }\n\n    const { name, age } = req.body;\n\n    user.name = name ?? user.name;\n    user.age = age ?? user.age;\n\n    res.json({ code: 0, data: user });\n});\n\n// DELETE /users/:id：删除用户\nrouter.delete('/:id', (req, res) => {\n    const id = Number(req.params.id);\n    const index = users.findIndex((item) => item.id === id);\n\n    if (index === -1) {\n        return res.status(404).json({ code: 404, message: '用户不存在' });\n    }\n\n    users.splice(index, 1);\n\n    res.json({ code: 0, message: '删除成功' });\n});\n",[1573,2584,2585,2590,2623,2649,2687,2691,2705,2753,2757,2761,2785,2789,2813,2836,2840,2872,2880,2884,2889,2922,2949,2990,2995,3017,3066,3071,3076,3098,3103,3141],{"__ignoreMap":1647},[1651,2586,2587],{"class":1653,"line":1654},[1651,2588,2589],{"class":1671},"// PUT /users/:id：更新用户\n",[1651,2591,2592,2594,2596,2599,2601,2603,2605,2607,2609,2611,2613,2615,2617,2619,2621],{"class":1653,"line":1661},[1651,2593,1931],{"class":1731},[1651,2595,1934],{"class":1727},[1651,2597,2598],{"class":1771},"put",[1651,2600,1940],{"class":1731},[1651,2602,1747],{"class":1727},[1651,2604,2042],{"class":1667},[1651,2606,1747],{"class":1727},[1651,2608,1819],{"class":1727},[1651,2610,1952],{"class":1727},[1651,2612,1956],{"class":1955},[1651,2614,1819],{"class":1727},[1651,2616,1961],{"class":1955},[1651,2618,1964],{"class":1727},[1651,2620,1967],{"class":1761},[1651,2622,1970],{"class":1727},[1651,2624,2625,2627,2629,2631,2633,2635,2637,2639,2641,2643,2645,2647],{"class":1653,"line":1675},[1651,2626,2065],{"class":1761},[1651,2628,1809],{"class":1731},[1651,2630,2070],{"class":1727},[1651,2632,2073],{"class":1771},[1651,2634,1940],{"class":1808},[1651,2636,1956],{"class":1731},[1651,2638,1934],{"class":1727},[1651,2640,2082],{"class":1731},[1651,2642,1934],{"class":1727},[1651,2644,2087],{"class":1731},[1651,2646,1964],{"class":1808},[1651,2648,1750],{"class":1727},[1651,2650,2651,2653,2655,2657,2659,2661,2663,2665,2667,2669,2671,2673,2675,2677,2679,2681,2683,2685],{"class":1653,"line":1683},[1651,2652,2065],{"class":1761},[1651,2654,2098],{"class":1731},[1651,2656,2070],{"class":1727},[1651,2658,2003],{"class":1731},[1651,2660,1934],{"class":1727},[1651,2662,2107],{"class":1771},[1651,2664,1940],{"class":1808},[1651,2666,1940],{"class":1727},[1651,2668,2114],{"class":1955},[1651,2670,1964],{"class":1727},[1651,2672,1967],{"class":1761},[1651,2674,2121],{"class":1731},[1651,2676,1934],{"class":1727},[1651,2678,2087],{"class":1731},[1651,2680,2128],{"class":1727},[1651,2682,1809],{"class":1731},[1651,2684,1964],{"class":1808},[1651,2686,1750],{"class":1727},[1651,2688,2689],{"class":1653,"line":1698},[1651,2690,1756],{"emptyLinePlaceholder":1755},[1651,2692,2693,2695,2697,2699,2701,2703],{"class":1653,"line":1788},[1651,2694,2143],{"class":1723},[1651,2696,1952],{"class":1808},[1651,2698,2148],{"class":1727},[1651,2700,2151],{"class":1731},[1651,2702,2154],{"class":1808},[1651,2704,2157],{"class":1727},[1651,2706,2707,2709,2711,2713,2715,2717,2719,2721,2723,2725,2727,2729,2731,2733,2735,2737,2739,2741,2743,2745,2747,2749,2751],{"class":1653,"line":1802},[1651,2708,2163],{"class":1723},[1651,2710,1961],{"class":1731},[1651,2712,1934],{"class":1727},[1651,2714,2170],{"class":1771},[1651,2716,1940],{"class":1808},[1651,2718,2175],{"class":1815},[1651,2720,1964],{"class":1808},[1651,2722,1934],{"class":1727},[1651,2724,1980],{"class":1771},[1651,2726,1940],{"class":1808},[1651,2728,1985],{"class":1727},[1651,2730,1988],{"class":1808},[1651,2732,1812],{"class":1727},[1651,2734,2192],{"class":1815},[1651,2736,1819],{"class":1727},[1651,2738,2197],{"class":1808},[1651,2740,1812],{"class":1727},[1651,2742,1741],{"class":1727},[1651,2744,2204],{"class":1667},[1651,2746,1747],{"class":1727},[1651,2748,1735],{"class":1727},[1651,2750,1964],{"class":1808},[1651,2752,1750],{"class":1727},[1651,2754,2755],{"class":1653,"line":1847},[1651,2756,2218],{"class":1727},[1651,2758,2759],{"class":1653,"line":1883},[1651,2760,1756],{"emptyLinePlaceholder":1755},[1651,2762,2763,2765,2767,2769,2771,2773,2775,2777,2779,2781,2783],{"class":1653,"line":1891},[1651,2764,2065],{"class":1761},[1651,2766,1728],{"class":1727},[1651,2768,1822],{"class":1731},[1651,2770,1819],{"class":1727},[1651,2772,1836],{"class":1731},[1651,2774,1735],{"class":1727},[1651,2776,2070],{"class":1727},[1651,2778,2347],{"class":1731},[1651,2780,1934],{"class":1727},[1651,2782,2352],{"class":1731},[1651,2784,1750],{"class":1727},[1651,2786,2787],{"class":1653,"line":1896},[1651,2788,1756],{"emptyLinePlaceholder":1755},[1651,2790,2791,2794,2796,2798,2800,2802,2805,2807,2809,2811],{"class":1653,"line":2160},[1651,2792,2793],{"class":1731},"    user",[1651,2795,1934],{"class":1727},[1651,2797,2369],{"class":1731},[1651,2799,2070],{"class":1727},[1651,2801,1822],{"class":1731},[1651,2803,2804],{"class":1727}," ??",[1651,2806,2098],{"class":1731},[1651,2808,1934],{"class":1727},[1651,2810,2369],{"class":1731},[1651,2812,1750],{"class":1727},[1651,2814,2815,2817,2819,2822,2824,2826,2828,2830,2832,2834],{"class":1653,"line":2215},[1651,2816,2793],{"class":1731},[1651,2818,1934],{"class":1727},[1651,2820,2821],{"class":1731},"age",[1651,2823,2070],{"class":1727},[1651,2825,1836],{"class":1731},[1651,2827,2804],{"class":1727},[1651,2829,2098],{"class":1731},[1651,2831,1934],{"class":1727},[1651,2833,2821],{"class":1731},[1651,2835,1750],{"class":1727},[1651,2837,2838],{"class":1653,"line":2221},[1651,2839,1756],{"emptyLinePlaceholder":1755},[1651,2841,2842,2844,2846,2848,2850,2852,2854,2856,2858,2860,2862,2864,2866,2868,2870],{"class":1653,"line":2226},[1651,2843,1975],{"class":1731},[1651,2845,1934],{"class":1727},[1651,2847,1980],{"class":1771},[1651,2849,1940],{"class":1808},[1651,2851,1985],{"class":1727},[1651,2853,1988],{"class":1808},[1651,2855,1812],{"class":1727},[1651,2857,1993],{"class":1815},[1651,2859,1819],{"class":1727},[1651,2861,1998],{"class":1808},[1651,2863,1812],{"class":1727},[1651,2865,2098],{"class":1731},[1651,2867,1735],{"class":1727},[1651,2869,1964],{"class":1808},[1651,2871,1750],{"class":1727},[1651,2873,2874,2876,2878],{"class":1653,"line":2259},[1651,2875,2014],{"class":1727},[1651,2877,1964],{"class":1731},[1651,2879,1750],{"class":1727},[1651,2881,2882],{"class":1653,"line":2514},[1651,2883,1756],{"emptyLinePlaceholder":1755},[1651,2885,2886],{"class":1653,"line":2520},[1651,2887,2888],{"class":1671},"// DELETE /users/:id：删除用户\n",[1651,2890,2891,2893,2895,2898,2900,2902,2904,2906,2908,2910,2912,2914,2916,2918,2920],{"class":1653,"line":2564},[1651,2892,1931],{"class":1731},[1651,2894,1934],{"class":1727},[1651,2896,2897],{"class":1771},"delete",[1651,2899,1940],{"class":1731},[1651,2901,1747],{"class":1727},[1651,2903,2042],{"class":1667},[1651,2905,1747],{"class":1727},[1651,2907,1819],{"class":1727},[1651,2909,1952],{"class":1727},[1651,2911,1956],{"class":1955},[1651,2913,1819],{"class":1727},[1651,2915,1961],{"class":1955},[1651,2917,1964],{"class":1727},[1651,2919,1967],{"class":1761},[1651,2921,1970],{"class":1727},[1651,2923,2925,2927,2929,2931,2933,2935,2937,2939,2941,2943,2945,2947],{"class":1653,"line":2924},20,[1651,2926,2065],{"class":1761},[1651,2928,1809],{"class":1731},[1651,2930,2070],{"class":1727},[1651,2932,2073],{"class":1771},[1651,2934,1940],{"class":1808},[1651,2936,1956],{"class":1731},[1651,2938,1934],{"class":1727},[1651,2940,2082],{"class":1731},[1651,2942,1934],{"class":1727},[1651,2944,2087],{"class":1731},[1651,2946,1964],{"class":1808},[1651,2948,1750],{"class":1727},[1651,2950,2952,2954,2957,2959,2961,2963,2966,2968,2970,2972,2974,2976,2978,2980,2982,2984,2986,2988],{"class":1653,"line":2951},21,[1651,2953,2065],{"class":1761},[1651,2955,2956],{"class":1731}," index",[1651,2958,2070],{"class":1727},[1651,2960,2003],{"class":1731},[1651,2962,1934],{"class":1727},[1651,2964,2965],{"class":1771},"findIndex",[1651,2967,1940],{"class":1808},[1651,2969,1940],{"class":1727},[1651,2971,2114],{"class":1955},[1651,2973,1964],{"class":1727},[1651,2975,1967],{"class":1761},[1651,2977,2121],{"class":1731},[1651,2979,1934],{"class":1727},[1651,2981,2087],{"class":1731},[1651,2983,2128],{"class":1727},[1651,2985,1809],{"class":1731},[1651,2987,1964],{"class":1808},[1651,2989,1750],{"class":1727},[1651,2991,2993],{"class":1653,"line":2992},22,[1651,2994,1756],{"emptyLinePlaceholder":1755},[1651,2996,2998,3000,3002,3005,3007,3010,3013,3015],{"class":1653,"line":2997},23,[1651,2999,2143],{"class":1723},[1651,3001,1952],{"class":1808},[1651,3003,3004],{"class":1731},"index",[1651,3006,2128],{"class":1727},[1651,3008,3009],{"class":1727}," -",[1651,3011,3012],{"class":1815},"1",[1651,3014,2154],{"class":1808},[1651,3016,2157],{"class":1727},[1651,3018,3020,3022,3024,3026,3028,3030,3032,3034,3036,3038,3040,3042,3044,3046,3048,3050,3052,3054,3056,3058,3060,3062,3064],{"class":1653,"line":3019},24,[1651,3021,2163],{"class":1723},[1651,3023,1961],{"class":1731},[1651,3025,1934],{"class":1727},[1651,3027,2170],{"class":1771},[1651,3029,1940],{"class":1808},[1651,3031,2175],{"class":1815},[1651,3033,1964],{"class":1808},[1651,3035,1934],{"class":1727},[1651,3037,1980],{"class":1771},[1651,3039,1940],{"class":1808},[1651,3041,1985],{"class":1727},[1651,3043,1988],{"class":1808},[1651,3045,1812],{"class":1727},[1651,3047,2192],{"class":1815},[1651,3049,1819],{"class":1727},[1651,3051,2197],{"class":1808},[1651,3053,1812],{"class":1727},[1651,3055,1741],{"class":1727},[1651,3057,2204],{"class":1667},[1651,3059,1747],{"class":1727},[1651,3061,1735],{"class":1727},[1651,3063,1964],{"class":1808},[1651,3065,1750],{"class":1727},[1651,3067,3069],{"class":1653,"line":3068},25,[1651,3070,2218],{"class":1727},[1651,3072,3074],{"class":1653,"line":3073},26,[1651,3075,1756],{"emptyLinePlaceholder":1755},[1651,3077,3079,3081,3083,3086,3088,3090,3092,3094,3096],{"class":1653,"line":3078},27,[1651,3080,2493],{"class":1731},[1651,3082,1934],{"class":1727},[1651,3084,3085],{"class":1771},"splice",[1651,3087,1940],{"class":1808},[1651,3089,3004],{"class":1731},[1651,3091,1819],{"class":1727},[1651,3093,1816],{"class":1815},[1651,3095,1964],{"class":1808},[1651,3097,1750],{"class":1727},[1651,3099,3101],{"class":1653,"line":3100},28,[1651,3102,1756],{"emptyLinePlaceholder":1755},[1651,3104,3106,3108,3110,3112,3114,3116,3118,3120,3122,3124,3126,3128,3130,3133,3135,3137,3139],{"class":1653,"line":3105},29,[1651,3107,1975],{"class":1731},[1651,3109,1934],{"class":1727},[1651,3111,1980],{"class":1771},[1651,3113,1940],{"class":1808},[1651,3115,1985],{"class":1727},[1651,3117,1988],{"class":1808},[1651,3119,1812],{"class":1727},[1651,3121,1993],{"class":1815},[1651,3123,1819],{"class":1727},[1651,3125,2197],{"class":1808},[1651,3127,1812],{"class":1727},[1651,3129,1741],{"class":1727},[1651,3131,3132],{"class":1667},"删除成功",[1651,3134,1747],{"class":1727},[1651,3136,1735],{"class":1727},[1651,3138,1964],{"class":1808},[1651,3140,1750],{"class":1727},[1651,3142,3144,3146,3148],{"class":1653,"line":3143},30,[1651,3145,2014],{"class":1727},[1651,3147,1964],{"class":1731},[1651,3149,1750],{"class":1727},[1535,3151],{},[1526,3153,3155],{"id":3154},"入口文件组装一切","🛠 入口文件：组装一切",[1531,3157,3158,3159,3162],{},"入口 ",[1573,3160,3161],{},"app.js"," 负责挂载中间件和路由，并配上 404 兜底和错误处理：",[1642,3164,3166],{"className":1714,"code":3165,"filename":3161,"language":1716,"meta":1647,"style":1647},"import express from 'express';\nimport userRouter from './routes/user.js';\n\nconst app = express();\n\n// 解析 JSON 请求体\napp.use(express.json());\n\n// 挂载用户路由\napp.use('/users', userRouter);\n\n// 404 兜底\napp.use((req, res) => {\n    res.status(404).json({ code: 404, message: '接口不存在' });\n});\n\n// 统一错误处理\napp.use((err, req, res, next) => {\n    console.error('出错了：', err.message);\n    res.status(500).json({ code: 500, message: '服务器开小差了，请稍后再试' });\n});\n\napp.listen(3000, () => {\n    console.log('服务器已启动：http://localhost:3000');\n});\n",[1573,3167,3168,3186,3204,3208,3224,3228,3233,3255,3259,3264,3287,3291,3296,3320,3367,3375,3379,3384,3418,3451,3500,3508,3512,3535,3557],{"__ignoreMap":1647},[1651,3169,3170,3172,3175,3178,3180,3182,3184],{"class":1653,"line":1654},[1651,3171,1724],{"class":1723},[1651,3173,3174],{"class":1731}," express ",[1651,3176,3177],{"class":1723},"from",[1651,3179,1741],{"class":1727},[1651,3181,1744],{"class":1667},[1651,3183,1747],{"class":1727},[1651,3185,1750],{"class":1727},[1651,3187,3188,3190,3193,3195,3197,3200,3202],{"class":1653,"line":1661},[1651,3189,1724],{"class":1723},[1651,3191,3192],{"class":1731}," userRouter ",[1651,3194,3177],{"class":1723},[1651,3196,1741],{"class":1727},[1651,3198,3199],{"class":1667},"./routes/user.js",[1651,3201,1747],{"class":1727},[1651,3203,1750],{"class":1727},[1651,3205,3206],{"class":1653,"line":1675},[1651,3207,1756],{"emptyLinePlaceholder":1755},[1651,3209,3210,3212,3215,3217,3220,3222],{"class":1653,"line":1683},[1651,3211,1762],{"class":1761},[1651,3213,3214],{"class":1731}," app ",[1651,3216,1768],{"class":1727},[1651,3218,3219],{"class":1771}," express",[1651,3221,1774],{"class":1731},[1651,3223,1750],{"class":1727},[1651,3225,3226],{"class":1653,"line":1698},[1651,3227,1756],{"emptyLinePlaceholder":1755},[1651,3229,3230],{"class":1653,"line":1788},[1651,3231,3232],{"class":1671},"// 解析 JSON 请求体\n",[1651,3234,3235,3238,3240,3243,3246,3248,3250,3253],{"class":1653,"line":1802},[1651,3236,3237],{"class":1731},"app",[1651,3239,1934],{"class":1727},[1651,3241,3242],{"class":1771},"use",[1651,3244,3245],{"class":1731},"(express",[1651,3247,1934],{"class":1727},[1651,3249,1980],{"class":1771},[1651,3251,3252],{"class":1731},"())",[1651,3254,1750],{"class":1727},[1651,3256,3257],{"class":1653,"line":1847},[1651,3258,1756],{"emptyLinePlaceholder":1755},[1651,3260,3261],{"class":1653,"line":1883},[1651,3262,3263],{"class":1671},"// 挂载用户路由\n",[1651,3265,3266,3268,3270,3272,3274,3276,3278,3280,3282,3285],{"class":1653,"line":1891},[1651,3267,3237],{"class":1731},[1651,3269,1934],{"class":1727},[1651,3271,3242],{"class":1771},[1651,3273,1940],{"class":1731},[1651,3275,1747],{"class":1727},[1651,3277,1624],{"class":1667},[1651,3279,1747],{"class":1727},[1651,3281,1819],{"class":1727},[1651,3283,3284],{"class":1731}," userRouter)",[1651,3286,1750],{"class":1727},[1651,3288,3289],{"class":1653,"line":1896},[1651,3290,1756],{"emptyLinePlaceholder":1755},[1651,3292,3293],{"class":1653,"line":2160},[1651,3294,3295],{"class":1671},"// 404 兜底\n",[1651,3297,3298,3300,3302,3304,3306,3308,3310,3312,3314,3316,3318],{"class":1653,"line":2215},[1651,3299,3237],{"class":1731},[1651,3301,1934],{"class":1727},[1651,3303,3242],{"class":1771},[1651,3305,1940],{"class":1731},[1651,3307,1940],{"class":1727},[1651,3309,1956],{"class":1955},[1651,3311,1819],{"class":1727},[1651,3313,1961],{"class":1955},[1651,3315,1964],{"class":1727},[1651,3317,1967],{"class":1761},[1651,3319,1970],{"class":1727},[1651,3321,3322,3324,3326,3328,3330,3332,3334,3336,3338,3340,3342,3344,3346,3348,3350,3352,3354,3356,3359,3361,3363,3365],{"class":1653,"line":2221},[1651,3323,1975],{"class":1731},[1651,3325,1934],{"class":1727},[1651,3327,2170],{"class":1771},[1651,3329,1940],{"class":1808},[1651,3331,2175],{"class":1815},[1651,3333,1964],{"class":1808},[1651,3335,1934],{"class":1727},[1651,3337,1980],{"class":1771},[1651,3339,1940],{"class":1808},[1651,3341,1985],{"class":1727},[1651,3343,1988],{"class":1808},[1651,3345,1812],{"class":1727},[1651,3347,2192],{"class":1815},[1651,3349,1819],{"class":1727},[1651,3351,2197],{"class":1808},[1651,3353,1812],{"class":1727},[1651,3355,1741],{"class":1727},[1651,3357,3358],{"class":1667},"接口不存在",[1651,3360,1747],{"class":1727},[1651,3362,1735],{"class":1727},[1651,3364,1964],{"class":1808},[1651,3366,1750],{"class":1727},[1651,3368,3369,3371,3373],{"class":1653,"line":2226},[1651,3370,2014],{"class":1727},[1651,3372,1964],{"class":1731},[1651,3374,1750],{"class":1727},[1651,3376,3377],{"class":1653,"line":2259},[1651,3378,1756],{"emptyLinePlaceholder":1755},[1651,3380,3381],{"class":1653,"line":2514},[1651,3382,3383],{"class":1671},"// 统一错误处理\n",[1651,3385,3386,3388,3390,3392,3394,3396,3399,3401,3403,3405,3407,3409,3412,3414,3416],{"class":1653,"line":2520},[1651,3387,3237],{"class":1731},[1651,3389,1934],{"class":1727},[1651,3391,3242],{"class":1771},[1651,3393,1940],{"class":1731},[1651,3395,1940],{"class":1727},[1651,3397,3398],{"class":1955},"err",[1651,3400,1819],{"class":1727},[1651,3402,2347],{"class":1955},[1651,3404,1819],{"class":1727},[1651,3406,1961],{"class":1955},[1651,3408,1819],{"class":1727},[1651,3410,3411],{"class":1955}," next",[1651,3413,1964],{"class":1727},[1651,3415,1967],{"class":1761},[1651,3417,1970],{"class":1727},[1651,3419,3420,3423,3425,3428,3430,3432,3435,3437,3439,3442,3444,3447,3449],{"class":1653,"line":2564},[1651,3421,3422],{"class":1731},"    console",[1651,3424,1934],{"class":1727},[1651,3426,3427],{"class":1771},"error",[1651,3429,1940],{"class":1808},[1651,3431,1747],{"class":1727},[1651,3433,3434],{"class":1667},"出错了：",[1651,3436,1747],{"class":1727},[1651,3438,1819],{"class":1727},[1651,3440,3441],{"class":1731}," err",[1651,3443,1934],{"class":1727},[1651,3445,3446],{"class":1731},"message",[1651,3448,1964],{"class":1808},[1651,3450,1750],{"class":1727},[1651,3452,3453,3455,3457,3459,3461,3464,3466,3468,3470,3472,3474,3476,3478,3481,3483,3485,3487,3489,3492,3494,3496,3498],{"class":1653,"line":2924},[1651,3454,1975],{"class":1731},[1651,3456,1934],{"class":1727},[1651,3458,2170],{"class":1771},[1651,3460,1940],{"class":1808},[1651,3462,3463],{"class":1815},"500",[1651,3465,1964],{"class":1808},[1651,3467,1934],{"class":1727},[1651,3469,1980],{"class":1771},[1651,3471,1940],{"class":1808},[1651,3473,1985],{"class":1727},[1651,3475,1988],{"class":1808},[1651,3477,1812],{"class":1727},[1651,3479,3480],{"class":1815}," 500",[1651,3482,1819],{"class":1727},[1651,3484,2197],{"class":1808},[1651,3486,1812],{"class":1727},[1651,3488,1741],{"class":1727},[1651,3490,3491],{"class":1667},"服务器开小差了，请稍后再试",[1651,3493,1747],{"class":1727},[1651,3495,1735],{"class":1727},[1651,3497,1964],{"class":1808},[1651,3499,1750],{"class":1727},[1651,3501,3502,3504,3506],{"class":1653,"line":2951},[1651,3503,2014],{"class":1727},[1651,3505,1964],{"class":1731},[1651,3507,1750],{"class":1727},[1651,3509,3510],{"class":1653,"line":2992},[1651,3511,1756],{"emptyLinePlaceholder":1755},[1651,3513,3514,3516,3518,3521,3523,3526,3528,3531,3533],{"class":1653,"line":2997},[1651,3515,3237],{"class":1731},[1651,3517,1934],{"class":1727},[1651,3519,3520],{"class":1771},"listen",[1651,3522,1940],{"class":1731},[1651,3524,3525],{"class":1815},"3000",[1651,3527,1819],{"class":1727},[1651,3529,3530],{"class":1727}," ()",[1651,3532,1967],{"class":1761},[1651,3534,1970],{"class":1727},[1651,3536,3537,3539,3541,3544,3546,3548,3551,3553,3555],{"class":1653,"line":3019},[1651,3538,3422],{"class":1731},[1651,3540,1934],{"class":1727},[1651,3542,3543],{"class":1771},"log",[1651,3545,1940],{"class":1808},[1651,3547,1747],{"class":1727},[1651,3549,3550],{"class":1667},"服务器已启动：http://localhost:3000",[1651,3552,1747],{"class":1727},[1651,3554,1964],{"class":1808},[1651,3556,1750],{"class":1727},[1651,3558,3559,3561,3563],{"class":1653,"line":3068},[1651,3560,2014],{"class":1727},[1651,3562,1964],{"class":1731},[1651,3564,1750],{"class":1727},[1531,3566,3567,3568,3571],{},"用 ",[1573,3569,3570],{},"node --watch app.js"," 启动，然后逐个验证：",[1642,3573,3575],{"className":1644,"code":3574,"language":1646,"meta":1647,"style":1647},"# 用户列表\ncurl http://localhost:3000/users\n\n# 新增用户\ncurl -X POST http://localhost:3000/users -H \"Content-Type: application/json\" -d \"{\\\"name\\\":\\\"小华\\\",\\\"age\\\":22}\"\n\n# 更新用户\ncurl -X PUT http://localhost:3000/users/1 -H \"Content-Type: application/json\" -d \"{\\\"age\\\":19}\"\n\n# 删除用户\ncurl -X DELETE http://localhost:3000/users/2\n",[1573,3576,3577,3582,3590,3594,3599,3661,3665,3670,3707,3711,3716],{"__ignoreMap":1647},[1651,3578,3579],{"class":1653,"line":1654},[1651,3580,3581],{"class":1671},"# 用户列表\n",[1651,3583,3584,3587],{"class":1653,"line":1661},[1651,3585,3586],{"class":1657},"curl",[1651,3588,3589],{"class":1667}," http://localhost:3000/users\n",[1651,3591,3592],{"class":1653,"line":1675},[1651,3593,1756],{"emptyLinePlaceholder":1755},[1651,3595,3596],{"class":1653,"line":1683},[1651,3597,3598],{"class":1671},"# 新增用户\n",[1651,3600,3601,3603,3606,3609,3612,3615,3618,3621,3624,3627,3629,3631,3634,3636,3638,3640,3642,3645,3647,3649,3651,3653,3655,3658],{"class":1653,"line":1698},[1651,3602,3586],{"class":1657},[1651,3604,3605],{"class":1667}," -X",[1651,3607,3608],{"class":1667}," POST",[1651,3610,3611],{"class":1667}," http://localhost:3000/users",[1651,3613,3614],{"class":1667}," -H",[1651,3616,3617],{"class":1727}," \"",[1651,3619,3620],{"class":1667},"Content-Type: application/json",[1651,3622,3623],{"class":1727},"\"",[1651,3625,3626],{"class":1667}," -d",[1651,3628,3617],{"class":1727},[1651,3630,1985],{"class":1667},[1651,3632,3633],{"class":1731},"\\\"",[1651,3635,2369],{"class":1667},[1651,3637,3633],{"class":1731},[1651,3639,1812],{"class":1667},[1651,3641,3633],{"class":1731},[1651,3643,3644],{"class":1667},"小华",[1651,3646,3633],{"class":1731},[1651,3648,1819],{"class":1667},[1651,3650,3633],{"class":1731},[1651,3652,2821],{"class":1667},[1651,3654,3633],{"class":1731},[1651,3656,3657],{"class":1667},":22}",[1651,3659,3660],{"class":1727},"\"\n",[1651,3662,3663],{"class":1653,"line":1788},[1651,3664,1756],{"emptyLinePlaceholder":1755},[1651,3666,3667],{"class":1653,"line":1802},[1651,3668,3669],{"class":1671},"# 更新用户\n",[1651,3671,3672,3674,3676,3679,3682,3684,3686,3688,3690,3692,3694,3696,3698,3700,3702,3705],{"class":1653,"line":1847},[1651,3673,3586],{"class":1657},[1651,3675,3605],{"class":1667},[1651,3677,3678],{"class":1667}," PUT",[1651,3680,3681],{"class":1667}," http://localhost:3000/users/1",[1651,3683,3614],{"class":1667},[1651,3685,3617],{"class":1727},[1651,3687,3620],{"class":1667},[1651,3689,3623],{"class":1727},[1651,3691,3626],{"class":1667},[1651,3693,3617],{"class":1727},[1651,3695,1985],{"class":1667},[1651,3697,3633],{"class":1731},[1651,3699,2821],{"class":1667},[1651,3701,3633],{"class":1731},[1651,3703,3704],{"class":1667},":19}",[1651,3706,3660],{"class":1727},[1651,3708,3709],{"class":1653,"line":1883},[1651,3710,1756],{"emptyLinePlaceholder":1755},[1651,3712,3713],{"class":1653,"line":1891},[1651,3714,3715],{"class":1671},"# 删除用户\n",[1651,3717,3718,3720,3722,3725],{"class":1653,"line":1896},[1651,3719,3586],{"class":1657},[1651,3721,3605],{"class":1667},[1651,3723,3724],{"class":1667}," DELETE",[1651,3726,3727],{"class":1667}," http://localhost:3000/users/2\n",[1535,3729],{},[1526,3731,3733],{"id":3732},"跨域问题与-cors","🪤 跨域问题与 cors",[1531,3735,3736,3737,3740,3741,3744],{},"接口写好了，前端一请求却报错了。打开浏览器控制台，会看到类似 ",[1573,3738,3739],{},"Access-Control-Allow-Origin"," 的报错，这就是",[1544,3742,3743],{},"跨域","。",[1531,3746,3747,3748,3751,3752,3755,3756,3759],{},"浏览器有",[1544,3749,3750],{},"同源策略","：只有协议、域名、端口完全相同的地址才能互相请求。你的前端项目跑在 ",[1573,3753,3754],{},"http://localhost:5173","，接口在 ",[1573,3757,3758],{},"http://localhost:3000","，端口不同就算跨域，浏览器会把响应拦下来。",[1627,3761,3762],{},[1531,3763,3764],{},"同源策略是浏览器为了保护用户设的安全限制，服务器本身是正常返回了数据的。所以用 curl 请求没问题，浏览器里却报错。",[1531,3766,3767,3768,3771,3772,3775],{},"后端最常用的解决方案是加 CORS 响应头，告诉浏览器“我允许跨域访问”。手动设置响应头比较繁琐，直接用 ",[1573,3769,3770],{},"cors"," 中间件（本课程使用 ",[1544,3773,3774],{},"cors 2.8.6","，配合 Node.js v22 和 Express 5.2.1 验证）：",[1642,3777,3779],{"className":1644,"code":3778,"language":1646,"meta":1647,"style":1647},"npm install cors\n",[1573,3780,3781],{"__ignoreMap":1647},[1651,3782,3783,3786,3789],{"class":1653,"line":1654},[1651,3784,3785],{"class":1657},"npm",[1651,3787,3788],{"class":1667}," install",[1651,3790,3791],{"class":1667}," cors\n",[1642,3793,3795],{"className":1714,"code":3794,"filename":3161,"language":1716,"meta":1647,"style":1647},"import express from 'express';\nimport cors from 'cors';\nimport userRouter from './routes/user.js';\n\nconst app = express();\n\n// 允许跨域请求，放在路由之前\napp.use(cors());\n\napp.use(express.json());\napp.use('/users', userRouter);\n\napp.listen(3000);\n",[1573,3796,3797,3813,3830,3846,3850,3864,3868,3873,3889,3893,3911,3933,3937],{"__ignoreMap":1647},[1651,3798,3799,3801,3803,3805,3807,3809,3811],{"class":1653,"line":1654},[1651,3800,1724],{"class":1723},[1651,3802,3174],{"class":1731},[1651,3804,3177],{"class":1723},[1651,3806,1741],{"class":1727},[1651,3808,1744],{"class":1667},[1651,3810,1747],{"class":1727},[1651,3812,1750],{"class":1727},[1651,3814,3815,3817,3820,3822,3824,3826,3828],{"class":1653,"line":1661},[1651,3816,1724],{"class":1723},[1651,3818,3819],{"class":1731}," cors ",[1651,3821,3177],{"class":1723},[1651,3823,1741],{"class":1727},[1651,3825,3770],{"class":1667},[1651,3827,1747],{"class":1727},[1651,3829,1750],{"class":1727},[1651,3831,3832,3834,3836,3838,3840,3842,3844],{"class":1653,"line":1675},[1651,3833,1724],{"class":1723},[1651,3835,3192],{"class":1731},[1651,3837,3177],{"class":1723},[1651,3839,1741],{"class":1727},[1651,3841,3199],{"class":1667},[1651,3843,1747],{"class":1727},[1651,3845,1750],{"class":1727},[1651,3847,3848],{"class":1653,"line":1683},[1651,3849,1756],{"emptyLinePlaceholder":1755},[1651,3851,3852,3854,3856,3858,3860,3862],{"class":1653,"line":1698},[1651,3853,1762],{"class":1761},[1651,3855,3214],{"class":1731},[1651,3857,1768],{"class":1727},[1651,3859,3219],{"class":1771},[1651,3861,1774],{"class":1731},[1651,3863,1750],{"class":1727},[1651,3865,3866],{"class":1653,"line":1788},[1651,3867,1756],{"emptyLinePlaceholder":1755},[1651,3869,3870],{"class":1653,"line":1802},[1651,3871,3872],{"class":1671},"// 允许跨域请求，放在路由之前\n",[1651,3874,3875,3877,3879,3881,3883,3885,3887],{"class":1653,"line":1847},[1651,3876,3237],{"class":1731},[1651,3878,1934],{"class":1727},[1651,3880,3242],{"class":1771},[1651,3882,1940],{"class":1731},[1651,3884,3770],{"class":1771},[1651,3886,3252],{"class":1731},[1651,3888,1750],{"class":1727},[1651,3890,3891],{"class":1653,"line":1883},[1651,3892,1756],{"emptyLinePlaceholder":1755},[1651,3894,3895,3897,3899,3901,3903,3905,3907,3909],{"class":1653,"line":1891},[1651,3896,3237],{"class":1731},[1651,3898,1934],{"class":1727},[1651,3900,3242],{"class":1771},[1651,3902,3245],{"class":1731},[1651,3904,1934],{"class":1727},[1651,3906,1980],{"class":1771},[1651,3908,3252],{"class":1731},[1651,3910,1750],{"class":1727},[1651,3912,3913,3915,3917,3919,3921,3923,3925,3927,3929,3931],{"class":1653,"line":1896},[1651,3914,3237],{"class":1731},[1651,3916,1934],{"class":1727},[1651,3918,3242],{"class":1771},[1651,3920,1940],{"class":1731},[1651,3922,1747],{"class":1727},[1651,3924,1624],{"class":1667},[1651,3926,1747],{"class":1727},[1651,3928,1819],{"class":1727},[1651,3930,3284],{"class":1731},[1651,3932,1750],{"class":1727},[1651,3934,3935],{"class":1653,"line":2160},[1651,3936,1756],{"emptyLinePlaceholder":1755},[1651,3938,3939,3941,3943,3945,3947,3949,3951],{"class":1653,"line":2215},[1651,3940,3237],{"class":1731},[1651,3942,1934],{"class":1727},[1651,3944,3520],{"class":1771},[1651,3946,1940],{"class":1731},[1651,3948,3525],{"class":1815},[1651,3950,1964],{"class":1731},[1651,3952,1750],{"class":1727},[1531,3954,3955,3956,3959],{},"一行 ",[1573,3957,3958],{},"app.use(cors())"," 就为所有接口加上了跨域响应头，前端再请求就不会被浏览器拦截了。",[1535,3961],{},[1526,3963,3965],{"id":3964},"前端调用示例","💡 前端调用示例",[1531,3967,3968,3969,3972],{},"前端用 ",[1573,3970,3971],{},"fetch"," 就能请求这套接口，写法和你平时调后端接口一样：",[1642,3974,3977],{"className":1714,"code":3975,"filename":3976,"language":1716,"meta":1647,"style":1647},"// 获取用户列表\nconst res = await fetch('http://localhost:3000/users');\nconst result = await res.json();\n\nconsole.log(result.data); // 用户数组\n\n// 新增用户\nawait fetch('http://localhost:3000/users', {\n    method: 'POST',\n    headers: {\n        'Content-Type': 'application/json',\n    },\n    body: JSON.stringify({ name: '小华', age: 22 }),\n});\n","api.js",[1573,3978,3979,3984,4012,4033,4037,4060,4064,4069,4088,4104,4113,4134,4139,4183],{"__ignoreMap":1647},[1651,3980,3981],{"class":1653,"line":1654},[1651,3982,3983],{"class":1671},"// 获取用户列表\n",[1651,3985,3986,3988,3991,3993,3996,3999,4001,4003,4006,4008,4010],{"class":1653,"line":1661},[1651,3987,1762],{"class":1761},[1651,3989,3990],{"class":1731}," res ",[1651,3992,1768],{"class":1727},[1651,3994,3995],{"class":1723}," await",[1651,3997,3998],{"class":1771}," fetch",[1651,4000,1940],{"class":1731},[1651,4002,1747],{"class":1727},[1651,4004,4005],{"class":1667},"http://localhost:3000/users",[1651,4007,1747],{"class":1727},[1651,4009,1964],{"class":1731},[1651,4011,1750],{"class":1727},[1651,4013,4014,4016,4019,4021,4023,4025,4027,4029,4031],{"class":1653,"line":1675},[1651,4015,1762],{"class":1761},[1651,4017,4018],{"class":1731}," result ",[1651,4020,1768],{"class":1727},[1651,4022,3995],{"class":1723},[1651,4024,1961],{"class":1731},[1651,4026,1934],{"class":1727},[1651,4028,1980],{"class":1771},[1651,4030,1774],{"class":1731},[1651,4032,1750],{"class":1727},[1651,4034,4035],{"class":1653,"line":1683},[1651,4036,1756],{"emptyLinePlaceholder":1755},[1651,4038,4039,4042,4044,4046,4049,4051,4054,4057],{"class":1653,"line":1698},[1651,4040,4041],{"class":1731},"console",[1651,4043,1934],{"class":1727},[1651,4045,3543],{"class":1771},[1651,4047,4048],{"class":1731},"(result",[1651,4050,1934],{"class":1727},[1651,4052,4053],{"class":1731},"data)",[1651,4055,4056],{"class":1727},";",[1651,4058,4059],{"class":1671}," // 用户数组\n",[1651,4061,4062],{"class":1653,"line":1788},[1651,4063,1756],{"emptyLinePlaceholder":1755},[1651,4065,4066],{"class":1653,"line":1802},[1651,4067,4068],{"class":1671},"// 新增用户\n",[1651,4070,4071,4074,4076,4078,4080,4082,4084,4086],{"class":1653,"line":1847},[1651,4072,4073],{"class":1723},"await",[1651,4075,3998],{"class":1771},[1651,4077,1940],{"class":1731},[1651,4079,1747],{"class":1727},[1651,4081,4005],{"class":1667},[1651,4083,1747],{"class":1727},[1651,4085,1819],{"class":1727},[1651,4087,1970],{"class":1727},[1651,4089,4090,4093,4095,4097,4100,4102],{"class":1653,"line":1883},[1651,4091,4092],{"class":1808},"    method",[1651,4094,1812],{"class":1727},[1651,4096,1741],{"class":1727},[1651,4098,4099],{"class":1667},"POST",[1651,4101,1747],{"class":1727},[1651,4103,2465],{"class":1727},[1651,4105,4106,4109,4111],{"class":1653,"line":1891},[1651,4107,4108],{"class":1808},"    headers",[1651,4110,1812],{"class":1727},[1651,4112,1970],{"class":1727},[1651,4114,4115,4118,4121,4123,4125,4127,4130,4132],{"class":1653,"line":1896},[1651,4116,4117],{"class":1727},"        '",[1651,4119,4120],{"class":1808},"Content-Type",[1651,4122,1747],{"class":1727},[1651,4124,1812],{"class":1727},[1651,4126,1741],{"class":1727},[1651,4128,4129],{"class":1667},"application/json",[1651,4131,1747],{"class":1727},[1651,4133,2465],{"class":1727},[1651,4135,4136],{"class":1653,"line":2160},[1651,4137,4138],{"class":1727},"    },\n",[1651,4140,4141,4144,4146,4149,4151,4154,4156,4158,4160,4162,4164,4166,4168,4170,4172,4174,4177,4179,4181],{"class":1653,"line":2215},[1651,4142,4143],{"class":1808},"    body",[1651,4145,1812],{"class":1727},[1651,4147,4148],{"class":1731}," JSON",[1651,4150,1934],{"class":1727},[1651,4152,4153],{"class":1771},"stringify",[1651,4155,1940],{"class":1731},[1651,4157,1985],{"class":1727},[1651,4159,1822],{"class":1808},[1651,4161,1812],{"class":1727},[1651,4163,1741],{"class":1727},[1651,4165,3644],{"class":1667},[1651,4167,1747],{"class":1727},[1651,4169,1819],{"class":1727},[1651,4171,1836],{"class":1808},[1651,4173,1812],{"class":1727},[1651,4175,4176],{"class":1815}," 22",[1651,4178,1735],{"class":1727},[1651,4180,1964],{"class":1731},[1651,4182,2465],{"class":1727},[1651,4184,4185,4187,4189],{"class":1653,"line":2221},[1651,4186,2014],{"class":1727},[1651,4188,1964],{"class":1731},[1651,4190,1750],{"class":1727},[1531,4192,4193,4194,4197,4198,4200],{},"用 Axios 也一样，把 ",[1573,4195,4196],{},"url"," 指向 ",[1573,4199,4005],{}," 即可。至此，从写接口到前端调通的完整链路就打通了。",[1535,4202],{},[1526,4204,4206],{"id":4205},"小节总结","🧾 小节总结",[4208,4209,4210,4214,4217,4220,4226],"ul",{},[4211,4212,4213],"li",{},"RESTful 风格用 URL 表示资源、请求方法表示操作，增删改查对应 GET、POST、PUT、DELETE。",[4211,4215,4216],{},"用 Router 把一类接口拆到独立文件，入口文件只负责挂载中间件和路由。",[4211,4218,4219],{},"内存数组可以模拟数据库练习接口结构，之后换成数据库操作即可。",[4211,4221,4222,4223,4225],{},"同源策略导致前端跨端口请求被浏览器拦截，用 ",[1573,4224,3770],{}," 中间件一行代码解决。",[4211,4227,4228],{},"404 兜底和错误处理中间件放在所有路由之后，保证任何意外都有统一响应。",[1535,4230],{},[1526,4232,4234],{"id":4233},"知识问答","❓ 知识问答",[1531,4236,4237],{},[1544,4238,4239],{},"Q1：为什么刷新一下数据就没了？",[1531,4241,4242],{},"数据存在内存数组里，进程重启就清空了。这是练习用的临时方案，真实项目要接数据库来持久化数据。",[1531,4244,4245],{},[1544,4246,4247],{},"Q2：PUT 和 POST 有什么区别？",[1531,4249,4250,4251,4254],{},"POST 用于新增资源，PUT 用于更新已有资源。PUT 的地址要带 id（如 ",[1573,4252,4253],{},"/users/1","），明确更新的是哪一条；POST 一般不带 id，由服务器生成。",[1531,4256,4257],{},[1544,4258,4259],{},"Q3：cors() 不加参数是允许所有来源吗？",[1531,4261,4262,4263,4265,4266,4269],{},"是的，",[1573,4264,3958],{}," 允许任何来源跨域访问，本地开发这样用很方便。生产环境建议配置 ",[1573,4267,4268],{},"origin"," 白名单，只允许自己的前端域名访问。",[1531,4271,4272],{},[1544,4273,4274],{},"Q4：新增用户时 id 用 users.length + 1 可靠吗？",[1531,4276,4277],{},"练习场景够用，但删除中间一条数据后会产生重复 id。真实项目中 id 由数据库自增或使用 UUID 生成，不依赖数组长度。",[1535,4279],{},[1526,4281,4283],{"id":4282},"小练习","🧪 小练习",[1531,4285,4286,4287,4290,4291,4294,4295,4298,4299,4302,4303,4305,4306,4309,4310,4312],{},"仿照用户模块，实现一个图书模块 ",[1573,4288,4289],{},"routes/book.js","：包含 ",[1573,4292,4293],{},"GET /books","（列表）、",[1573,4296,4297],{},"GET /books/:id","（详情）、",[1573,4300,4301],{},"POST /books","（新增）三个接口，图书有 ",[1573,4304,2087],{}," 和 ",[1573,4307,4308],{},"title"," 两个字段，并在 ",[1573,4311,3161],{}," 中挂载。",[1642,4314,4316],{"className":1714,"code":4315,"filename":4289,"language":1716,"meta":1647,"style":1647},"import { Router } from 'express';\n\nconst router = Router();\n\n// 请在这里编写代码\n\nexport default router;\n",[1573,4317,4318,4338,4342,4356,4360,4365,4369],{"__ignoreMap":1647},[1651,4319,4320,4322,4324,4326,4328,4330,4332,4334,4336],{"class":1653,"line":1654},[1651,4321,1724],{"class":1723},[1651,4323,1728],{"class":1727},[1651,4325,1732],{"class":1731},[1651,4327,1735],{"class":1727},[1651,4329,1738],{"class":1723},[1651,4331,1741],{"class":1727},[1651,4333,1744],{"class":1667},[1651,4335,1747],{"class":1727},[1651,4337,1750],{"class":1727},[1651,4339,4340],{"class":1653,"line":1661},[1651,4341,1756],{"emptyLinePlaceholder":1755},[1651,4343,4344,4346,4348,4350,4352,4354],{"class":1653,"line":1675},[1651,4345,1762],{"class":1761},[1651,4347,1765],{"class":1731},[1651,4349,1768],{"class":1727},[1651,4351,1732],{"class":1771},[1651,4353,1774],{"class":1731},[1651,4355,1750],{"class":1727},[1651,4357,4358],{"class":1653,"line":1683},[1651,4359,1756],{"emptyLinePlaceholder":1755},[1651,4361,4362],{"class":1653,"line":1698},[1651,4363,4364],{"class":1671},"// 请在这里编写代码\n",[1651,4366,4367],{"class":1653,"line":1788},[1651,4368,1756],{"emptyLinePlaceholder":1755},[1651,4370,4371,4373,4375,4377],{"class":1653,"line":1802},[1651,4372,1899],{"class":1723},[1651,4374,1902],{"class":1723},[1651,4376,1905],{"class":1731},[1651,4378,1750],{"class":1727},[1642,4380,4382],{"className":1714,"code":4381,"filename":3161,"language":1716,"meta":1647,"style":1647},"// 请在这里编写代码：挂载图书路由到 /books\n",[1573,4383,4384],{"__ignoreMap":1647},[1651,4385,4386],{"class":1653,"line":1654},[1651,4387,4381],{"class":1671},[1535,4389],{},[1531,4391,4392],{},"🎉 恭喜你已经完成了 Express 课程的全部学习！从跑通第一个服务器，到路由、中间件、错误处理，再到亲手搭出一套 RESTful 接口，你已经具备了用 Node.js 独立开发后端接口的能力。接下来可以学习数据库（如 MySQL、MongoDB），把内存数组换成真正的持久化存储，继续加油！",[4394,4395,4396],"style",{},"html pre.shiki code .sYGMc, html code.shiki .sYGMc{--shiki-light:#E2931D;--shiki-default:#FFCB6B;--shiki-dark:#FFCB6B}html pre.shiki code .sIEYB, html code.shiki .sIEYB{--shiki-light:#91B859;--shiki-default:#C3E88D;--shiki-dark:#C3E88D}html pre.shiki code .syuKq, html code.shiki .syuKq{--shiki-light:#90A4AE;--shiki-light-font-style:italic;--shiki-default:#546E7A;--shiki-default-font-style:italic;--shiki-dark:#676E95;--shiki-dark-font-style:italic}html .light .shiki span {color: var(--shiki-light);background: var(--shiki-light-bg);font-style: var(--shiki-light-font-style);font-weight: var(--shiki-light-font-weight);text-decoration: var(--shiki-light-text-decoration);}html.light .shiki span {color: var(--shiki-light);background: var(--shiki-light-bg);font-style: var(--shiki-light-font-style);font-weight: var(--shiki-light-font-weight);text-decoration: var(--shiki-light-text-decoration);}html .default .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}html.dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}html pre.shiki code .s8pZq, html code.shiki .s8pZq{--shiki-light:#39ADB5;--shiki-light-font-style:italic;--shiki-default:#89DDFF;--shiki-default-font-style:italic;--shiki-dark:#89DDFF;--shiki-dark-font-style:italic}html pre.shiki code .s86vT, html code.shiki .s86vT{--shiki-light:#39ADB5;--shiki-default:#89DDFF;--shiki-dark:#89DDFF}html pre.shiki code .sndM8, html code.shiki .sndM8{--shiki-light:#90A4AE;--shiki-default:#EEFFFF;--shiki-dark:#BABED8}html pre.shiki code .s50WR, html code.shiki .s50WR{--shiki-light:#9C3EDA;--shiki-default:#C792EA;--shiki-dark:#C792EA}html pre.shiki code .swgpB, html code.shiki .swgpB{--shiki-light:#6182B8;--shiki-default:#82AAFF;--shiki-dark:#82AAFF}html pre.shiki code .sd2Uz, html code.shiki .sd2Uz{--shiki-light:#E53935;--shiki-default:#F07178;--shiki-dark:#F07178}html pre.shiki code .smPcV, html code.shiki .smPcV{--shiki-light:#F76D47;--shiki-default:#F78C6C;--shiki-dark:#F78C6C}html pre.shiki code .sK9QF, html code.shiki .sK9QF{--shiki-light:#90A4AE;--shiki-light-font-style:italic;--shiki-default:#EEFFFF;--shiki-default-font-style:italic;--shiki-dark:#BABED8;--shiki-dark-font-style:italic}",{"title":1647,"searchDepth":1661,"depth":1661,"links":4398},[4399,4400,4401,4402,4403,4404,4405,4406,4407,4408,4409,4410],{"id":1528,"depth":1661,"text":1529},{"id":1539,"depth":1661,"text":1540},{"id":1636,"depth":1661,"text":1637},{"id":1912,"depth":1661,"text":1913},{"id":2281,"depth":1661,"text":2282},{"id":2575,"depth":1661,"text":2576},{"id":3154,"depth":1661,"text":3155},{"id":3732,"depth":1661,"text":3733},{"id":3964,"depth":1661,"text":3965},{"id":4205,"depth":1661,"text":4206},{"id":4233,"depth":1661,"text":4234},{"id":4282,"depth":1661,"text":4283},"综合运用路由、中间件、错误处理知识，实现一套完整的用户增删改查 RESTful 接口并解决跨域问题。","md",null,{},{"title":1178},{"title":1521,"description":4411},"7I0B8pxXc3",[4419,4421],{"title":1174,"path":1175,"stem":1176,"description":4420,"children":-1},"掌握 Express 的 404 处理、错误处理中间件和统一错误响应格式，理解 Express 5 的异步错误自动捕获。",{"title":1188,"path":1189,"stem":1190,"description":4422,"children":-1},"了解 Koa 是什么、和 Express 的区别，学会初始化项目并写出第一个 Koa 应用。",1784715110378]