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<!doctype html><html lang="zh-CN"><head><meta charset="utf-8" /><meta name="viewport" content="width=device-width,initial-scale=1" /><meta name="generator" content="VuePress 2.0.0-rc.28" /><meta name="theme" content="VuePress Theme Plume 1.0.0-rc.195" /><script id="check-mac-os">document.documentElement.classList.toggle('mac', /Mac|iPhone|iPod|iPad/i.test(navigator.platform))</script><script id="check-dark-mode">;(function () {const um= localStorage.getItem('vuepress-theme-appearance') || 'auto';const sm = window.matchMedia && window.matchMedia('(prefers-color-scheme: dark)').matches;const isDark = um === 'dark' || (um !== 'light' && sm);document.documentElement.dataset.theme = isDark ? 'dark' : 'light';})();</script><script type="application/ld+json">{"@context":"https://schema.org","@type":"Article","headline":"如何使用 frontmatter","image":[""],"dateModified":"2026-03-05T07:34:11.000Z","author":[]}</script><meta property="og:url" content="https://theme-plume.vuejs.press/article/ecxnxxd0/"><meta property="og:site_name" content="Plume 主题"><meta property="og:title" content="如何使用 frontmatter"><meta property="og:description" content="说明 本文 翻译 Introduction to YAML 的部分内容。 用于简单说明如何在 markdown 文件中使用 frontmatter。 如果您具有良好的英语阅读基础，为避免翻译可能存在的内容失真，建议您阅读原文。 原文地址： https://dev.to/paulasantamaria/introduction-to-yaml-125f 。"><meta property="og:type" content="article"><meta property="og:locale" content="zh-CN"><meta property="og:locale:alternate" content="en-US"><meta property="og:updated_time" content="2026-03-05T07:34:11.000Z"><meta property="article:modified_time" content="2026-03-05T07:34:11.000Z"><link rel="alternate" hreflang="en-us" href="https://theme-plume.vuejs.press/en/article/ecxnxxd0/"><link rel="icon" type="image/png" sizes="32x32" href="/favicon-32x32.png"><link rel="icon" type="image/png" sizes="16x16" href="/favicon-16x16.png"><meta name="google-site-verification" content="AaTP7bapCAcoO9ZGE67ilpy99GL6tYqtD30tRHjO9Ps"><title>如何使用 frontmatter | 博客 | Plume 主题</title><meta name="description" content="说明 本文 翻译 Introduction to YAML 的部分内容。 用于简单说明如何在 markdown 文件中使用 frontmatter。 如果您具有良好的英语阅读基础，为避免翻译可能存在的内容失真，建议您阅读原文。 原文地址： https://dev.to/paulasantamaria/introduction-to-yaml-125f 。"><link rel="preload" href="/assets/style-DnsiUdcZ.css" as="style"><link rel="stylesheet" href="/assets/style-DnsiUdcZ.css"><link rel="modulepreload" href="/assets/app-B2DsuqVi.js"><link rel="modulepreload" href="/assets/plugin-vue_export-helper-CxTVcLa7.js"><link rel="modulepreload" href="/assets/chunk-DseTPa7n.js"><link rel="modulepreload" href="/assets/preload-helper-ca-nBW7U.js"><link rel="modulepreload" href="/assets/composables-DsGBjQEX.js"><link rel="modulepreload" href="/assets/VPHomeHero-D17FBc21.js"><link rel="modulepreload" href="/assets/composables-3J5ZwNFM.js"><link rel="modulepreload" href="/assets/client-C5e5tgZO.js"><link rel="modulepreload" href="/assets/theme-colors-bZHGy5AR.js"><link rel="modulepreload" href="/assets/VPButton-CjpnmuwG.js"><link rel="modulepreload" href="/assets/runtime-core.esm-bundler-CZvn3YaB.js"><link rel="modulepreload" href="/assets/runtime-dom.esm-bundler-DTRCDnrc.js"><link rel="modulepreload" href="/assets/dist-CMy7OcvW.js"><link rel="modulepreload" href="/assets/codeRepl-BV_0qCs3.js"><link rel="modulepreload" href="/assets/VPCopyright-DQT4wCul.js"><link rel="modulepreload" href="/assets/frontmatter-BZLf4IK_.js"></head><body><div id="app"><!--[--><!--[--><div class="theme-plume vp-layout" vp-container data-v-a5aadcf6><!--[--><!--[--><!--]--><!--[--><span tabindex="-1" data-v-26bc9d93></span><a href="#VPContent" class="vp-skip-link visually-hidden" data-v-26bc9d93> Skip to content </a><!--]--><!----><header class="vp-nav" data-v-a5aadcf6 data-v-f81e37e9><div class="vp-navbar" vp-navbar data-v-f81e37e9 data-v-b90976a4><div class="wrapper" data-v-b90976a4><div class="container" data-v-b90976a4><div class="title" data-v-b90976a4><div class="vp-navbar-title" data-v-b90976a4 data-v-f77fe1b1><a class="vp-link link no-icon title" href="/" data-v-f77fe1b1><!--[--><!--[--><!--]--><!--[--><!--[--><!--[--><img class="vp-image dark logo" style="" src="/plume.png" alt data-v-414baac9><!--]--><!--[--><img class="vp-image light logo" style="" src="/plume.png" alt data-v-414baac9><!--]--><!--]--><!--]--><span data-v-f77fe1b1>Plume 主题</span><!--[--><!--]--><!--]--><!--[--><!--]--><!----></a></div></div><div class="content" data-v-b90976a4><div class="content-body" data-v-b90976a4><!--[--><!--]--><div class="vp-navbar-search search" data-v-b90976a4><div class="search-wrapper" data-v-62419745><!----><div id="local-search" data-v-62419745><button type="button" class="mini-search mini-search-button" aria-label="搜索文档" data-v-62419745><span class="mini-search-button-container"><span class="mini-search-search-icon vpi-mini-search" aria-label="search icon"></span><span class="mini-search-button-placeholder">搜索文档</span></span><span class="mini-search-button-keys"><kbd class="mini-search-button-key"></kbd><kbd class="mini-search-button-key">K</kbd></span></button></div></div></div><!--[--><!--]--><nav aria-labelledby="main-nav-aria-label" class="vp-navbar-menu menu" data-v-b90976a4 data-v-b42927e7><span id="main-nav-aria-label" class="visually-hidden" data-v-b42927e7>Main Navigation</span><!--[--><!--[--><a class="vp-link link navbar-menu-link" href="/guide/intro/" tabindex="0" data-v-b42927e7 data-v-29cf8989><!--[--><span class="vp-icon vpi-icon-park-outline-guide-board" style="" aria-hidden data-provider="iconify" data-v-29cf8989></span><span data-v-29cf8989>指南</span><!----><!--]--><!--[--><!--]--><!----></a><!--]--><!--[--><a class="vp-link link navbar-menu-link" href="/config/intro/" tabindex="0" data-v-b42927e7 data-v-29cf8989><!--[--><span class="vp-icon vpi-icon-park-outline-setting-two" style="" aria-hidden data-provider="iconify" data-v-29cf8989></span><span data-v-29cf8989>配置</span><!----><!--]--><!--[--><!--]--><!----></a><!--]--><!--[--><a class="vp-link link navbar-menu-link active" href="/blog/" tabindex="0" data-v-b42927e7 data-v-29cf8989><!--[--><span class="vp-icon vpi-material-symbols-article-outline" style="" aria-hidden data-provider="iconify" data-v-29cf8989></span><span data-v-29cf8989>博客</span><!----><!--]--><!--[--><!--]--><!----></a><!--]--><!--[--><a class="vp-link link navbar-menu-link" href="/demos/" tabindex="0" data-v-b42927e7 data-v-29cf8989><!--[--><span class="vp-icon vpi-map-wind-surfing" style="" aria-hidden data-provider="iconify" data-v-29cf8989></span><span data-v-29cf8989>案例</span><!----><!--]--><!--[--><!--]--><!----></a><!--]--><!--[--><div class="vp-flyout vp-navbar-menu-group" data-v-b42927e7 data-v-15bfbb59><button type="button" class="button" aria-haspopup="true" aria-expanded="false" data-v-15bfbb59><span class="text" data-v-15bfbb59><span class="vp-icon vpi-icon-park-outline-more-three" style="" aria-hidden data-provider="iconify" data-v-15bfbb59></span><!----><span data-v-15bfbb59>更多</span><!----><span class="vpi-chevron-down text-icon" data-v-15bfbb59></span></span></button><div class="menu" data-v-15bfbb59><div class="vp-menu" data-v-15bfbb59 data-v-f3964f32><div class="items" data-v-f3964f32><!--[--><!--[--><div class="vp-menu-link" data-v-f3964f32 data-v-e06ddb34><a class="vp-link link" href="/faq/" data-v-e06ddb34><!--[--><span class="vp-icon vpi-wpf-faq" style="" aria-hidden data-provider="iconify" data-v-e06ddb34></span> 常见问题 <!----><!--]--><!--[--><!--]--><!----></a></div><!--]--><!--[--><div class="vp-menu-link" data-v-f3964f32 data-v-e06ddb34><a class="vp-link link" href="/sponsor/" data-v-e06ddb34><!--[--><span class="vp-icon vpi-line-md-coffee-loop" style="" aria-hidden data-provider="iconify" data-v-e06ddb34></span> 喝杯奶茶 <!----><!--]--><!--[--><!--]--><!----></a></div><!--]--><!--[--><div class="vp-menu-link" data-v-f3964f32 data-v-e06ddb34><a class="vp-link link" href="/tools/" data-v-e06ddb34><!--[--><span class="vp-icon vpi-jam-tools" style="" aria-hidden data-provider="iconify" data-v-e06ddb34></span> 主题工具 <!----><!--]--><!--[--><!--]--><!----></a></div><!--]--><!--[--><div class="vp-menu-link" data-v-f3964f32 data-v-e06ddb34><a class="vp-link link" href="/friends/" data-v-e06ddb34><!--[--><span class="vp-icon vpi-carbon-friendship" style="" aria-hidden data-provider="iconify" data-v-e06ddb34></span> 友情链接 <!----><!--]--><!--[--><!--]--><!----></a></div><!--]--><!--[--><div class="vp-menu-group" data-v-f3964f32 data-v-6c770283><p class="title" data-v-6c770283><span class="vp-icon vpi-logos-vue bg" style="" aria-hidden data-provider="iconify" data-v-6c770283></span><span data-v-6c770283>Vuepress</span></p><!--[--><!--[--><div class="vp-menu-link" data-v-6c770283 data-v-e06ddb34><a class="vp-link link vp-external-link-icon" href="https://v2.vuepress.vuejs.org" target="_blank" rel="noopener noreferrer" data-v-e06ddb34><!--[--><span class="vp-icon vpi-logos-vue bg" style="" aria-hidden data-provider="iconify" data-v-e06ddb34></span> 官方文档 <!----><!--]--><!--[--><!--]--><span class="visually-hidden">（在新窗口打开）</span></a></div><!--]--><!--[--><div class="vp-menu-link" data-v-6c770283 data-v-e06ddb34><a class="vp-link link vp-external-link-icon" href="https://ecosystem.vuejs.press/" target="_blank" rel="noopener noreferrer" data-v-e06ddb34><!--[--><span class="vp-icon vpi-logos-vue bg" style="" aria-hidden data-provider="iconify" data-v-e06ddb34></span> 生态系统 <!----><!--]--><!--[--><!--]--><span class="visually-hidden">（在新窗口打开）</span></a></div><!--]--><!--]--></div><!--]--><!--]--></div><!--[--><!--]--></div></div></div><!--]--><!--[--><div class="vp-flyout vp-navbar-menu-group" data-v-b42927e7 data-v-15bfbb59><button type="button" class="button" aria-haspopup="true" aria-expanded="false" data-v-15bfbb59><span class="text" data-v-15bfbb59><span class="vp-icon vpi-codicon-versions" style="" aria-hidden data-provider="iconify" data-v-15bfbb59></span><!----><span data-v-15bfbb59>1.0.0-rc.195</span><span class="vp-badge tip vp-menu-badge" style="" data-v-15bfbb59 data-v-52c8341f><!--[-->新<!--]--></span><span class="vpi-chevron-down text-icon" data-v-15bfbb59></span></span></button><div class="menu" data-v-15bfbb59><div class="vp-menu" data-v-15bfbb59 data-v-f3964f32><div class="items" data-v-f3964f32><!--[--><!--[--><div class="vp-menu-link" data-v-f3964f32 data-v-e06ddb34><a class="vp-link link" href="/changelog/" data-v-e06ddb34><!--[--><!----> 更新日志 <!----><!--]--><!--[--><!--]--><!----></a></div><!--]--><!--[--><div class="vp-menu-link" data-v-f3964f32 data-v-e06ddb34><a class="vp-link link" href="/contributing/" data-v-e06ddb34><!--[--><!----> 参与贡献 <!----><!--]--><!--[--><!--]--><!----></a></div><!--]--><!--]--></div><!--[--><!--]--></div></div></div><!--]--><!--]--></nav><!--[--><!--]--><div class="vp-flyout vp-navbar-translations translations" data-v-b90976a4 data-v-e0a18246 data-v-15bfbb59><button type="button" class="button" aria-haspopup="true" aria-expanded="false" aria-label="选择语言" data-v-15bfbb59><span class="text" data-v-15bfbb59><!----><span class="vpi-languages option-icon" data-v-15bfbb59></span><!----><!----><span class="vpi-chevron-down text-icon" data-v-15bfbb59></span></span></button><div class="menu" data-v-15bfbb59><div class="vp-menu" data-v-15bfbb59 data-v-f3964f32><!----><!--[--><!--[--><div class="items" data-v-e0a18246><p class="title" data-v-e0a18246>简体中文</p><!--[--><div class="vp-menu-link" data-v-e0a18246 data-v-e06ddb34><a class="vp-link link" href="/en/article/ecxnxxd0/" data-v-e06ddb34><!--[--><!----> English <!----><!--]--><!--[--><!--]--><!----></a></div><!--]--></div><!--]--><!--]--></div></div></div><div class="vp-navbar-appearance appearance" data-v-b90976a4 data-v-17780d44><button class="vp-switch vp-switch-appearance" type="button" role="switch" aria-checked="false" title data-v-17780d44 data-v-cbe77d87 data-v-36bbbf22><span class="check" data-v-36bbbf22><span class="icon" data-v-36bbbf22><!--[--><span class="vpi-sun sun" data-v-cbe77d87></span><span class="vpi-moon moon" data-v-cbe77d87></span><!--]--></span></span></button></div><div class="vp-social-links vp-navbar-social-links social-links" data-v-b90976a4 data-v-ba70645a data-v-5dc0805d><!--[--><a class="vp-social-link no-icon" href="https://github.com/pengzhanbo/vuepress-theme-plume" aria-label="github" title="github" target="_blank" rel="noopener" data-v-5dc0805d data-v-c5bc2a09><span class="vp-icon vpi-simple-icons-github" style="" aria-hidden data-provider="iconify" data-v-c5bc2a09></span></a><a class="vp-social-link no-icon" href="https://qm.qq.com/q/FbPPoOIscE" aria-label="qq" title="qq" target="_blank" rel="noopener" data-v-5dc0805d data-v-c5bc2a09><span class="vp-icon vpi-simple-icons-qq" style="" aria-hidden data-provider="iconify" data-v-c5bc2a09></span></a><!--]--></div><div class="vp-flyout vp-navbar-extra extra" data-v-b90976a4 data-v-7e94ae84 data-v-15bfbb59><button type="button" class="button" aria-haspopup="true" aria-expanded="false" aria-label="extra navigation" data-v-15bfbb59><span class="vpi-more-horizontal icon" data-v-15bfbb59></span></button><div class="menu" data-v-15bfbb59><div class="vp-menu" data-v-15bfbb59 data-v-f3964f32><!----><!--[--><!--[--><div class="group translations" data-v-7e94ae84><p class="trans-title" data-v-7e94ae84>简体中文</p><!--[--><div class="vp-menu-link" data-v-7e94ae84 data-v-e06ddb34><a class="vp-link link" href="/en/article/ecxnxxd0/" data-v-e06ddb34><!--[--><!----> English <!----><!--]--><!--[--><!--]--><!----></a></div><!--]--></div><div class="group appearance" data-v-7e94ae84><div class="item appearance" data-v-7e94ae84><p class="label" data-v-7e94ae84>外观</p><div class="appearance-action" data-v-7e94ae84><button class="vp-switch vp-switch-appearance" type="button" role="switch" aria-checked="false" title data-v-7e94ae84 data-v-cbe77d87 data-v-36bbbf22><span class="check" data-v-36bbbf22><span class="icon" data-v-36bbbf22><!--[--><span class="vpi-sun sun" data-v-cbe77d87></span><span class="vpi-moon moon" data-v-cbe77d87></span><!--]--></span></span></button></div></div></div><div class="group social" data-v-7e94ae84><div class="item social-links" data-v-7e94ae84><div class="vp-social-links social-links-list" data-v-7e94ae84 data-v-5dc0805d><!--[--><a class="vp-social-link no-icon" href="https://github.com/pengzhanbo/vuepress-theme-plume" aria-label="github" title="github" target="_blank" rel="noopener" data-v-5dc0805d data-v-c5bc2a09><span class="vp-icon vpi-simple-icons-github" style="" aria-hidden data-provider="iconify" data-v-c5bc2a09></span></a><a class="vp-social-link no-icon" href="https://qm.qq.com/q/FbPPoOIscE" aria-label="qq" title="qq" target="_blank" rel="noopener" data-v-5dc0805d data-v-c5bc2a09><span class="vp-icon vpi-simple-icons-qq" style="" aria-hidden data-provider="iconify" data-v-c5bc2a09></span></a><!--]--></div></div></div><!--]--><!--]--></div></div></div><!--[--><!--]--><button type="button" class="vp-navbar-hamburger hamburger" aria-label="mobile navigation" aria-expanded="false" aria-controls="nav-screen" data-v-b90976a4 data-v-2122c19e><span class="container" data-v-2122c19e><span class="top" data-v-2122c19e></span><span class="middle" data-v-2122c19e></span><span class="bottom" data-v-2122c19e></span></span></button></div></div></div></div><div class="divider" data-v-b90976a4><div class="divider-line" data-v-b90976a4></div></div></div><!----></header><!----><!--[--><!----><!----><!--]--><!--[--><div id="VPContent" vp-content class="vp-content" data-v-a5aadcf6 data-v-d3283ff2><div class="vp-doc-container is-posts" data-v-d3283ff2 data-v-c2acd915><!--[--><!--]--><div class="container" data-v-c2acd915><!----><div class="content" data-v-c2acd915><div class="content-container" data-v-c2acd915><!--[--><!--]--><main class="main" data-v-c2acd915><nav class="vp-breadcrumb" data-v-c2acd915 data-v-68dbda29><ol vocab="https://schema.org/" typeof="BreadcrumbList" data-v-68dbda29><!--[--><li property="itemListElement" typeof="ListItem" data-v-68dbda29><a class="vp-link link no-icon breadcrumb" href="/" property="item" typeof="WebPage" data-v-68dbda29><!--[-->首页<!--]--><!--[--><!--]--><!----></a><span class="vpi-chevron-right" data-v-68dbda29></span><meta property="name" content="首页" data-v-68dbda29><meta property="position" content="1" data-v-68dbda29></li><li property="itemListElement" typeof="ListItem" data-v-68dbda29><a class="vp-link link no-icon breadcrumb" href="/blog/" property="item" typeof="WebPage" data-v-68dbda29><!--[-->博客<!--]--><!--[--><!--]--><!----></a><span class="vpi-chevron-right" data-v-68dbda29></span><meta property="name" content="博客" data-v-68dbda29><meta property="position" content="2" data-v-68dbda29></li><li property="itemListElement" typeof="ListItem" data-v-68dbda29><a class="vp-link link no-icon breadcrumb" href="/blog/categories/?id=65f30c" property="item" typeof="WebPage" data-v-68dbda29><!--[-->教程<!--]--><!--[--><!--]--><!----></a><span class="vpi-chevron-right" data-v-68dbda29></span><meta property="name" content="教程" data-v-68dbda29><meta property="position" content="3" data-v-68dbda29></li><li property="itemListElement" typeof="ListItem" data-v-68dbda29><a class="vp-link link no-icon breadcrumb current" href="/article/ecxnxxd0/" property="item" typeof="WebPage" data-v-68dbda29><!--[-->如何使用 frontmatter<!--]--><!--[--><!--]--><!----></a><!----><meta property="name" content="如何使用 frontmatter" data-v-68dbda29><meta property="position" content="4" data-v-68dbda29></li><!--]--></ol></nav><!--[--><!--]--><!--[--><div class="vp-doc-title" data-v-42fa9e7c><!--[--><!--]--><h1 class="page-title" data-v-42fa9e7c><!----> 如何使用 frontmatter <!----></h1><!--[--><!--[--><!--[--><!--[--><div class="vp-page-context-menu" data-v-a5aadcf6 data-v-b0188d12><div class="page-context-button" type="button" data-v-b0188d12><span class="page-context-copy" data-v-b0188d12><span class="vpi-copy" data-v-b0188d12></span><span class="text" data-v-b0188d12>复制页面</span></span><span class="page-context-toggle" data-v-b0188d12><span class="vpi-chevron-down" data-v-b0188d12></span></span></div><ul class="page-context-menu" style="display:none;" data-v-b0188d12><li data-v-b0188d12><a href="javascript:void(0)" data-v-b0188d12><span class="vpi-copy" data-v-b0188d12></span><span data-v-b0188d12>复制页面 <small data-v-b0188d12>将页面以 Markdown 格式复制供 LLMs 使用</small></span></a></li><!--[--><li data-v-b0188d12><a href="/article/ecxnxxd0/index.md" target="_blank" rel="noopener noreferrer" aria-label="以 Markdown 格式查看" type="text/markdown" data-allow-mismatch data-v-b0188d12><span class="vpi-markdown" data-v-b0188d12></span><span data-v-b0188d12>以 Markdown 格式查看 <span class="vpi-external-link" data-v-b0188d12></span><small data-v-b0188d12>以纯文本查看此页面</small></span></a></li><li data-v-b0188d12><a href="https://chat.openai.com/?prompt=" target="_blank" rel="noopener noreferrer" aria-label="在 ChatGPT 中打开" data-allow-mismatch data-v-b0188d12><span class="vpi-chatgpt" data-v-b0188d12></span><span data-v-b0188d12>在 ChatGPT 中打开 <span class="vpi-external-link" data-v-b0188d12></span><small data-v-b0188d12>向 ChatGPT 提问有关此页面</small></span></a></li><li data-v-b0188d12><a href="https://claude.ai/new?q=" target="_blank" rel="noopener noreferrer" aria-label="在 Claude 中打开" data-allow-mismatch data-v-b0188d12><span class="vpi-claude" data-v-b0188d12></span><span data-v-b0188d12>在 Claude 中打开 <span class="vpi-external-link" data-v-b0188d12></span><small data-v-b0188d12>向 Claude 提问有关此页面</small></span></a></li><li data-v-b0188d12><a href="https://perplexity.ai/?q=" target="_blank" rel="noopener noreferrer" aria-label="在 Perplexity 中打开" data-allow-mismatch data-v-b0188d12><span class="vpi-perplexity" data-v-b0188d12></span><span data-v-b0188d12>在 Perplexity 中打开 <span class="vpi-external-link" data-v-b0188d12></span><small data-v-b0188d12>向 Perplexity 提问有关此页面</small></span></a></li><!--]--></ul></div><!--]--><!--]--><!--]--><!--]--></div><div class="vp-doc-meta" data-v-42fa9e7c><!--[--><!--]--><p class="reading-time" data-v-42fa9e7c><span class="vpi-books icon" data-v-42fa9e7c></span><span data-v-42fa9e7c>约 1393 字</span><span data-v-42fa9e7c>大约 5 分钟</span></p><!----><!--[--><!--]--><p class="create-time" data-v-42fa9e7c><span class="vpi-clock icon" data-v-42fa9e7c></span><span data-v-42fa9e7c>2024-09-18</span></p></div><!--]--><!--[--><!--]--><!--[--><div class="_article_ecxnxxd0_ external-link-icon-enabled vp-doc plume-content" vp-content data-v-c2acd915><!--[--><!--]--><div data-v-c2acd915><div class="hint-container info"><p class="hint-container-title">说明</p><p>本文 翻译 <a href="https://dev.to/paulasantamaria/introduction-to-yaml-125f" target="_blank" rel="noopener noreferrer">Introduction to YAML</a> 的部分内容。 用于简单说明如何在 markdown 文件中使用 frontmatter。</p><p>如果您具有良好的英语阅读基础，为避免翻译可能存在的内容失真，建议您阅读原文。</p><p>原文地址： <a href="https://dev.to/paulasantamaria/introduction-to-yaml-125f" target="_blank" rel="noopener noreferrer">https://dev.to/paulasantamaria/introduction-to-yaml-125f</a> 。</p></div><h2 id="介绍" tabindex="-1"><a class="header-anchor" href="#介绍"><span>介绍</span></a></h2><p>YAML 是一种数据序列化语言，通常用于配置文件，例如 <a href="https://github.com/OAI/OpenAPI-Specification/blob/master/examples/v2.0/yaml/api-with-examples.yaml" target="_blank" rel="noopener noreferrer">Open API 规范</a> 或 <a href="https://docs.gitlab.com/ee/ci/yaml/" target="_blank" rel="noopener noreferrer">CI/CD 管道</a>。</p><div class="hint-container note"><p class="hint-container-title">有趣的事实！🤓</p><p>根据 <a href="https://yaml.org/spec/history/2001-05-26.html" target="_blank" rel="noopener noreferrer">YAML 1.0 规范文档 （2001-05-26）</a> 首字母缩略词 “YAML” 代表 “Yet Another Markup Language”， 但后来在 <a href="https://yaml.org/spec/history/2002-04-07.html" target="_blank" rel="noopener noreferrer">2002-04-07 规范</a> 中更改为递归首字母缩略词“YAML Ain&#39;t Markup Language”。</p></div><p>正如最新规范中所述，<strong>YAML</strong> 旨在 <strong>对处理数据的人友好</strong>，并通过 <strong>最大限度地减少结构字符的使用来实现“独特的干净度”</strong>， 允许数据以自然和有意义的方式显示。</p><p>最新规范还指出，YAML <em>1.2 作为官方子集符合 JSON</em> ，这意味着大多数 JSON 文档都可以解析为 YAML。</p><p>YAML 通过使用基于缩进的范围界定（类似于 Python）轻松检查数据结构。</p><div class="hint-container note"><p class="hint-container-title">另一个有趣的事实！🤓</p><p>DEV.to 文章使用 YAML 来定义自定义变量，如标题、描述、标签等。</p></div><h2 id="基本语法" tabindex="-1"><a class="header-anchor" href="#基本语法"><span>基本语法</span></a></h2><p>YAML 文档基本上是 <strong>键值对的集合</strong>，其中值可以像字符串一样简单，也可以像树一样复杂。</p><p>以下是有关 YAML 语法的一些说明：</p><ul><li><strong>缩进用于表示结构</strong>。不允许使用制表符，只要子节点的缩进量比父节点大，空格的数量就无关紧要。</li><li>允许使用 UTF-8、UTF-16 和 UTF-32 编码。</li></ul><h3 id="字符串" tabindex="-1"><a class="header-anchor" href="#字符串"><span>字符串</span></a></h3><div class="language-md line-numbers-mode" data-highlighter="shiki" data-ext="md" style="--shiki-light:#393a34;--shiki-dark:#dbd7caee;--shiki-light-bg:#ffffff;--shiki-dark-bg:#121212;"><pre class="shiki shiki-themes vitesse-light vitesse-dark vp-code"><code class="language-md"><span class="line"><span style="--shiki-light:#999999;--shiki-dark:#666666;">---</span></span>
<span class="line"><span style="--shiki-light:#A0ADA0;--shiki-dark:#758575DD;"># 字符串不需要引号：</span></span>
<span class="line"><span style="--shiki-light:#998418;--shiki-dark:#B8A965;">title</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#B56959;--shiki-dark:#C98A7D;"> Introduction to YAML</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#A0ADA0;--shiki-dark:#758575DD;"># 但你仍可使用它们：</span></span>
<span class="line"><span style="--shiki-light:#998418;--shiki-dark:#B8A965;">title-w-quotes</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#B5695977;--shiki-dark:#C98A7D77;"> &#39;</span><span style="--shiki-light:#B56959;--shiki-dark:#C98A7D;">Introduction to YAML</span><span style="--shiki-light:#B5695977;--shiki-dark:#C98A7D77;">&#39;</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#A0ADA0;--shiki-dark:#758575DD;"># 多行字符串以 | 开头</span></span>
<span class="line"><span style="--shiki-light:#998418;--shiki-dark:#B8A965;">execute</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#1E754F;--shiki-dark:#4D9375;"> |</span></span>
<span class="line"><span style="--shiki-light:#B56959;--shiki-dark:#C98A7D;"> npm ci</span></span>
<span class="line"><span style="--shiki-light:#B56959;--shiki-dark:#C98A7D;"> npm build</span></span>
<span class="line"><span style="--shiki-light:#B56959;--shiki-dark:#C98A7D;"> npm test</span></span>
<span class="line"><span style="--shiki-light:#999999;--shiki-dark:#666666;">---</span></span></code></pre><div class="line-numbers" aria-hidden="true" style="counter-reset:line-number 0;"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>上面的代码将转换为 JSON 为：</p><div class="language-json" data-highlighter="shiki" data-ext="json" style="--shiki-light:#393a34;--shiki-dark:#dbd7caee;--shiki-light-bg:#ffffff;--shiki-dark-bg:#121212;"><pre class="shiki shiki-themes vitesse-light vitesse-dark vp-code"><code class="language-json"><span class="line"><span style="--shiki-light:#999999;--shiki-dark:#666666;">{</span></span>
<span class="line"><span style="--shiki-light:#99841877;--shiki-dark:#B8A96577;"> &quot;</span><span style="--shiki-light:#998418;--shiki-dark:#B8A965;">title</span><span style="--shiki-light:#99841877;--shiki-dark:#B8A96577;">&quot;</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#B5695977;--shiki-dark:#C98A7D77;"> &quot;</span><span style="--shiki-light:#B56959;--shiki-dark:#C98A7D;">Introduction to YAML</span><span style="--shiki-light:#B5695977;--shiki-dark:#C98A7D77;">&quot;</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">,</span></span>
<span class="line"><span style="--shiki-light:#99841877;--shiki-dark:#B8A96577;"> &quot;</span><span style="--shiki-light:#998418;--shiki-dark:#B8A965;">title-w-quotes</span><span style="--shiki-light:#99841877;--shiki-dark:#B8A96577;">&quot;</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#B5695977;--shiki-dark:#C98A7D77;"> &quot;</span><span style="--shiki-light:#B56959;--shiki-dark:#C98A7D;">Introduction to YAML</span><span style="--shiki-light:#B5695977;--shiki-dark:#C98A7D77;">&quot;</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">,</span></span>
<span class="line"><span style="--shiki-light:#99841877;--shiki-dark:#B8A96577;"> &quot;</span><span style="--shiki-light:#998418;--shiki-dark:#B8A965;">execute</span><span style="--shiki-light:#99841877;--shiki-dark:#B8A96577;">&quot;</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#B5695977;--shiki-dark:#C98A7D77;"> &quot;</span><span style="--shiki-light:#B56959;--shiki-dark:#C98A7D;">npm ci</span><span style="--shiki-light:#A65E2B;--shiki-dark:#C99076;">\n</span><span style="--shiki-light:#B56959;--shiki-dark:#C98A7D;">npm build</span><span style="--shiki-light:#A65E2B;--shiki-dark:#C99076;">\n</span><span style="--shiki-light:#B56959;--shiki-dark:#C98A7D;">npm test</span><span style="--shiki-light:#A65E2B;--shiki-dark:#C99076;">\n</span><span style="--shiki-light:#B5695977;--shiki-dark:#C98A7D77;">&quot;</span></span>
<span class="line"><span style="--shiki-light:#999999;--shiki-dark:#666666;">}</span></span></code></pre></div><h3 id="数字" tabindex="-1"><a class="header-anchor" href="#数字"><span>数字</span></a></h3><div class="language-md line-numbers-mode" data-highlighter="shiki" data-ext="md" style="--shiki-light:#393a34;--shiki-dark:#dbd7caee;--shiki-light-bg:#ffffff;--shiki-dark-bg:#121212;"><pre class="shiki shiki-themes vitesse-light vitesse-dark vp-code"><code class="language-md"><span class="line"><span style="--shiki-light:#999999;--shiki-dark:#666666;">---</span></span>
<span class="line"><span style="--shiki-light:#A0ADA0;--shiki-dark:#758575DD;"># 整数：</span></span>
<span class="line"><span style="--shiki-light:#998418;--shiki-dark:#B8A965;">age</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#2F798A;--shiki-dark:#4C9A91;"> 29</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#A0ADA0;--shiki-dark:#758575DD;"># 浮点数：</span></span>
<span class="line"><span style="--shiki-light:#998418;--shiki-dark:#B8A965;">price</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#2F798A;--shiki-dark:#4C9A91;"> 15.99</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#A0ADA0;--shiki-dark:#758575DD;"># 科学计数法：</span></span>
<span class="line"><span style="--shiki-light:#998418;--shiki-dark:#B8A965;">population</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#2F798A;--shiki-dark:#4C9A91;"> 2.89e+6</span></span>
<span class="line"><span style="--shiki-light:#999999;--shiki-dark:#666666;">---</span></span></code></pre><div class="line-numbers" aria-hidden="true" style="counter-reset:line-number 0;"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>上面的代码将转换为 JSON 为：</p><div class="language-json" data-highlighter="shiki" data-ext="json" style="--shiki-light:#393a34;--shiki-dark:#dbd7caee;--shiki-light-bg:#ffffff;--shiki-dark-bg:#121212;"><pre class="shiki shiki-themes vitesse-light vitesse-dark vp-code"><code class="language-json"><span class="line"><span style="--shiki-light:#999999;--shiki-dark:#666666;">{</span></span>
<span class="line"><span style="--shiki-light:#99841877;--shiki-dark:#B8A96577;"> &quot;</span><span style="--shiki-light:#998418;--shiki-dark:#B8A965;">age</span><span style="--shiki-light:#99841877;--shiki-dark:#B8A96577;">&quot;</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#2F798A;--shiki-dark:#4C9A91;"> 29</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">,</span></span>
<span class="line"><span style="--shiki-light:#99841877;--shiki-dark:#B8A96577;"> &quot;</span><span style="--shiki-light:#998418;--shiki-dark:#B8A965;">price</span><span style="--shiki-light:#99841877;--shiki-dark:#B8A96577;">&quot;</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#2F798A;--shiki-dark:#4C9A91;"> 15.99</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">,</span></span>
<span class="line"><span style="--shiki-light:#99841877;--shiki-dark:#B8A96577;"> &quot;</span><span style="--shiki-light:#998418;--shiki-dark:#B8A965;">population</span><span style="--shiki-light:#99841877;--shiki-dark:#B8A96577;">&quot;</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#2F798A;--shiki-dark:#4C9A91;"> 2890000</span></span>
<span class="line"><span style="--shiki-light:#999999;--shiki-dark:#666666;">}</span></span></code></pre></div><h3 id="布尔值" tabindex="-1"><a class="header-anchor" href="#布尔值"><span>布尔值</span></a></h3><div class="language-md" data-highlighter="shiki" data-ext="md" style="--shiki-light:#393a34;--shiki-dark:#dbd7caee;--shiki-light-bg:#ffffff;--shiki-dark-bg:#121212;"><pre class="shiki shiki-themes vitesse-light vitesse-dark vp-code"><code class="language-md"><span class="line"><span style="--shiki-light:#999999;--shiki-dark:#666666;">---</span></span>
<span class="line"><span style="--shiki-light:#A0ADA0;--shiki-dark:#758575DD;"># 布尔值可以有不同的表示方式：</span></span>
<span class="line"><span style="--shiki-light:#998418;--shiki-dark:#B8A965;">published</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#1E754F;--shiki-dark:#4D9375;"> false</span></span>
<span class="line"><span style="--shiki-light:#998418;--shiki-dark:#B8A965;">published</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#1E754F;--shiki-dark:#4D9375;"> False</span></span>
<span class="line"><span style="--shiki-light:#998418;--shiki-dark:#B8A965;">published</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#1E754F;--shiki-dark:#4D9375;"> FALSE</span></span>
<span class="line"><span style="--shiki-light:#999999;--shiki-dark:#666666;">---</span></span></code></pre></div><p>以上所有内容都将转换为 JSON，如下所示：</p><div class="language-json" data-highlighter="shiki" data-ext="json" style="--shiki-light:#393a34;--shiki-dark:#dbd7caee;--shiki-light-bg:#ffffff;--shiki-dark-bg:#121212;"><pre class="shiki shiki-themes vitesse-light vitesse-dark vp-code"><code class="language-json"><span class="line"><span style="--shiki-light:#999999;--shiki-dark:#666666;">{</span></span>
<span class="line"><span style="--shiki-light:#99841877;--shiki-dark:#B8A96577;"> &quot;</span><span style="--shiki-light:#998418;--shiki-dark:#B8A965;">published</span><span style="--shiki-light:#99841877;--shiki-dark:#B8A96577;">&quot;</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#1E754F;--shiki-dark:#4D9375;"> false</span></span>
<span class="line"><span style="--shiki-light:#999999;--shiki-dark:#666666;">}</span></span></code></pre></div><h3 id="null-值" tabindex="-1"><a class="header-anchor" href="#null-值"><span>Null 值</span></a></h3><div class="language-md" data-highlighter="shiki" data-ext="md" style="--shiki-light:#393a34;--shiki-dark:#dbd7caee;--shiki-light-bg:#ffffff;--shiki-dark-bg:#121212;"><pre class="shiki shiki-themes vitesse-light vitesse-dark vp-code"><code class="language-md"><span class="line"><span style="--shiki-light:#999999;--shiki-dark:#666666;">---</span></span>
<span class="line"><span style="--shiki-light:#A0ADA0;--shiki-dark:#758575DD;"># Null 值可以通过不设置值来表示：</span></span>
<span class="line"><span style="--shiki-light:#998418;--shiki-dark:#B8A965;">null-value</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#A0ADA0;--shiki-dark:#758575DD;"># 或者更明确地说：</span></span>
<span class="line"><span style="--shiki-light:#998418;--shiki-dark:#B8A965;">null-value</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#AB5959;--shiki-dark:#CB7676;"> null</span></span>
<span class="line"><span style="--shiki-light:#998418;--shiki-dark:#B8A965;">null-value</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#AB5959;--shiki-dark:#CB7676;"> NULL</span></span>
<span class="line"><span style="--shiki-light:#998418;--shiki-dark:#B8A965;">null-value</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#AB5959;--shiki-dark:#CB7676;"> Null</span></span>
<span class="line"><span style="--shiki-light:#999999;--shiki-dark:#666666;">---</span></span></code></pre></div><p>以上所有内容都将转换为 JSON，如下所示：</p><div class="language-json" data-highlighter="shiki" data-ext="json" style="--shiki-light:#393a34;--shiki-dark:#dbd7caee;--shiki-light-bg:#ffffff;--shiki-dark-bg:#121212;"><pre class="shiki shiki-themes vitesse-light vitesse-dark vp-code"><code class="language-json"><span class="line"><span style="--shiki-light:#999999;--shiki-dark:#666666;">{</span></span>
<span class="line"><span style="--shiki-light:#99841877;--shiki-dark:#B8A96577;"> &quot;</span><span style="--shiki-light:#998418;--shiki-dark:#B8A965;">null-value</span><span style="--shiki-light:#99841877;--shiki-dark:#B8A96577;">&quot;</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#1E754F;--shiki-dark:#4D9375;"> null</span></span>
<span class="line"><span style="--shiki-light:#999999;--shiki-dark:#666666;">}</span></span></code></pre></div><h3 id="日期和时间戳" tabindex="-1"><a class="header-anchor" href="#日期和时间戳"><span>日期和时间戳</span></a></h3><p>可以使用 ISO 格式的日期，如下所示：</p><div class="language-md" data-highlighter="shiki" data-ext="md" style="--shiki-light:#393a34;--shiki-dark:#dbd7caee;--shiki-light-bg:#ffffff;--shiki-dark-bg:#121212;"><pre class="shiki shiki-themes vitesse-light vitesse-dark vp-code"><code class="language-md"><span class="line"><span style="--shiki-light:#999999;--shiki-dark:#666666;">---</span></span>
<span class="line"><span style="--shiki-light:#998418;--shiki-dark:#B8A965;">date</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#A65E2B;--shiki-dark:#C99076;"> 2002-12-14</span></span>
<span class="line"><span style="--shiki-light:#998418;--shiki-dark:#B8A965;">canonical</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#A65E2B;--shiki-dark:#C99076;"> 2001-12-15T02:59:43.1Z</span></span>
<span class="line"><span style="--shiki-light:#998418;--shiki-dark:#B8A965;">iso8601</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#A65E2B;--shiki-dark:#C99076;"> 2001-12-14t21:59:43.10-05:00</span></span>
<span class="line"><span style="--shiki-light:#998418;--shiki-dark:#B8A965;">spaced</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#B56959;--shiki-dark:#C98A7D;"> 2001-12-14 21:59:43.10 -5</span></span>
<span class="line"><span style="--shiki-light:#999999;--shiki-dark:#666666;">---</span></span></code></pre></div><h3 id="sequences-序列" tabindex="-1"><a class="header-anchor" href="#sequences-序列"><span>Sequences 序列</span></a></h3><p>序列允许我们在 YAML 中定义列表：</p><div class="language-md line-numbers-mode" data-highlighter="shiki" data-ext="md" style="--shiki-light:#393a34;--shiki-dark:#dbd7caee;--shiki-light-bg:#ffffff;--shiki-dark-bg:#121212;"><pre class="shiki shiki-themes vitesse-light vitesse-dark vp-code"><code class="language-md"><span class="line"><span style="--shiki-light:#999999;--shiki-dark:#666666;">---</span></span>
<span class="line"><span style="--shiki-light:#A0ADA0;--shiki-dark:#758575DD;"># 使用连字符的数字列表：</span></span>
<span class="line"><span style="--shiki-light:#998418;--shiki-dark:#B8A965;">numbers</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span></span>
<span class="line"><span style="--shiki-light:#999999;--shiki-dark:#666666;"> -</span><span style="--shiki-light:#B56959;--shiki-dark:#C98A7D;"> one</span></span>
<span class="line"><span style="--shiki-light:#999999;--shiki-dark:#666666;"> -</span><span style="--shiki-light:#B56959;--shiki-dark:#C98A7D;"> two</span></span>
<span class="line"><span style="--shiki-light:#999999;--shiki-dark:#666666;"> -</span><span style="--shiki-light:#B56959;--shiki-dark:#C98A7D;"> three</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#A0ADA0;--shiki-dark:#758575DD;"># 内联版本：</span></span>
<span class="line"><span style="--shiki-light:#998418;--shiki-dark:#B8A965;">numbers</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#999999;--shiki-dark:#666666;"> [</span><span style="--shiki-light:#B56959;--shiki-dark:#C98A7D;"> one</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">,</span><span style="--shiki-light:#B56959;--shiki-dark:#C98A7D;"> two</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">,</span><span style="--shiki-light:#B56959;--shiki-dark:#C98A7D;"> three</span><span style="--shiki-light:#999999;--shiki-dark:#666666;"> ]</span></span>
<span class="line"><span style="--shiki-light:#999999;--shiki-dark:#666666;">---</span></span></code></pre><div class="line-numbers" aria-hidden="true" style="counter-reset:line-number 0;"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>上述两个序列都将解析为 JSON，如下所示：</p><div class="language-json" data-highlighter="shiki" data-ext="json" style="--shiki-light:#393a34;--shiki-dark:#dbd7caee;--shiki-light-bg:#ffffff;--shiki-dark-bg:#121212;"><pre class="shiki shiki-themes vitesse-light vitesse-dark vp-code"><code class="language-json"><span class="line"><span style="--shiki-light:#999999;--shiki-dark:#666666;">{</span></span>
<span class="line"><span style="--shiki-light:#99841877;--shiki-dark:#B8A96577;"> &quot;</span><span style="--shiki-light:#998418;--shiki-dark:#B8A965;">numbers</span><span style="--shiki-light:#99841877;--shiki-dark:#B8A96577;">&quot;</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#999999;--shiki-dark:#666666;"> [</span></span>
<span class="line"><span style="--shiki-light:#B5695977;--shiki-dark:#C98A7D77;"> &quot;</span><span style="--shiki-light:#B56959;--shiki-dark:#C98A7D;">one</span><span style="--shiki-light:#B5695977;--shiki-dark:#C98A7D77;">&quot;</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">,</span></span>
<span class="line"><span style="--shiki-light:#B5695977;--shiki-dark:#C98A7D77;"> &quot;</span><span style="--shiki-light:#B56959;--shiki-dark:#C98A7D;">two</span><span style="--shiki-light:#B5695977;--shiki-dark:#C98A7D77;">&quot;</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">,</span></span>
<span class="line"><span style="--shiki-light:#B5695977;--shiki-dark:#C98A7D77;"> &quot;</span><span style="--shiki-light:#B56959;--shiki-dark:#C98A7D;">three</span><span style="--shiki-light:#B5695977;--shiki-dark:#C98A7D77;">&quot;</span></span>
<span class="line"><span style="--shiki-light:#999999;--shiki-dark:#666666;"> ]</span></span>
<span class="line"><span style="--shiki-light:#999999;--shiki-dark:#666666;">}</span></span></code></pre></div><h3 id="嵌套值" tabindex="-1"><a class="header-anchor" href="#嵌套值"><span>嵌套值</span></a></h3><p>我们可以使用上述所有类型来创建具有嵌套值的对象，如下所示：</p><div class="language-md line-numbers-mode" data-highlighter="shiki" data-ext="md" style="--shiki-light:#393a34;--shiki-dark:#dbd7caee;--shiki-light-bg:#ffffff;--shiki-dark-bg:#121212;"><pre class="shiki shiki-themes vitesse-light vitesse-dark vp-code"><code class="language-md"><span class="line"><span style="--shiki-light:#999999;--shiki-dark:#666666;">---</span></span>
<span class="line"><span style="--shiki-light:#A0ADA0;--shiki-dark:#758575DD;"># 一九八四小说数据。</span></span>
<span class="line"><span style="--shiki-light:#998418;--shiki-dark:#B8A965;">nineteen-eighty-four</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span></span>
<span class="line"><span style="--shiki-light:#998418;--shiki-dark:#B8A965;"> author</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#B56959;--shiki-dark:#C98A7D;"> George Orwell</span></span>
<span class="line"><span style="--shiki-light:#998418;--shiki-dark:#B8A965;"> published-at</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#A65E2B;--shiki-dark:#C99076;"> 1949-06-08</span></span>
<span class="line"><span style="--shiki-light:#998418;--shiki-dark:#B8A965;"> page-count</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#2F798A;--shiki-dark:#4C9A91;"> 328</span></span>
<span class="line"><span style="--shiki-light:#998418;--shiki-dark:#B8A965;"> description</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#1E754F;--shiki-dark:#4D9375;"> |</span></span>
<span class="line"><span style="--shiki-light:#B56959;--shiki-dark:#C98A7D;"> A Novel, often published as 1984, is a dystopian novel by English novelist George Orwell.</span></span>
<span class="line"><span style="--shiki-light:#B56959;--shiki-dark:#C98A7D;"> It was published in June 1949 by Secker &amp; Warburg as Orwell&#39;s ninth and final book.</span></span>
<span class="line"><span style="--shiki-light:#999999;--shiki-dark:#666666;">---</span></span></code></pre><div class="line-numbers" aria-hidden="true" style="counter-reset:line-number 0;"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>这将转换为 JSON ：</p><div class="language-json" data-highlighter="shiki" data-ext="json" style="--shiki-light:#393a34;--shiki-dark:#dbd7caee;--shiki-light-bg:#ffffff;--shiki-dark-bg:#121212;"><pre class="shiki shiki-themes vitesse-light vitesse-dark vp-code"><code class="language-json"><span class="line"><span style="--shiki-light:#999999;--shiki-dark:#666666;">{</span></span>
<span class="line"><span style="--shiki-light:#99841877;--shiki-dark:#B8A96577;"> &quot;</span><span style="--shiki-light:#998418;--shiki-dark:#B8A965;">nineteen-eighty-four</span><span style="--shiki-light:#99841877;--shiki-dark:#B8A96577;">&quot;</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#999999;--shiki-dark:#666666;"> {</span></span>
<span class="line"><span style="--shiki-light:#99841877;--shiki-dark:#B8A96577;"> &quot;</span><span style="--shiki-light:#998418;--shiki-dark:#B8A965;">author</span><span style="--shiki-light:#99841877;--shiki-dark:#B8A96577;">&quot;</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#B5695977;--shiki-dark:#C98A7D77;"> &quot;</span><span style="--shiki-light:#B56959;--shiki-dark:#C98A7D;">George Orwell</span><span style="--shiki-light:#B5695977;--shiki-dark:#C98A7D77;">&quot;</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">,</span></span>
<span class="line"><span style="--shiki-light:#99841877;--shiki-dark:#B8A96577;"> &quot;</span><span style="--shiki-light:#998418;--shiki-dark:#B8A965;">published-at</span><span style="--shiki-light:#99841877;--shiki-dark:#B8A96577;">&quot;</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#B5695977;--shiki-dark:#C98A7D77;"> &quot;</span><span style="--shiki-light:#B56959;--shiki-dark:#C98A7D;">1949-06-08T00:00:00.000Z</span><span style="--shiki-light:#B5695977;--shiki-dark:#C98A7D77;">&quot;</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">,</span></span>
<span class="line"><span style="--shiki-light:#99841877;--shiki-dark:#B8A96577;"> &quot;</span><span style="--shiki-light:#998418;--shiki-dark:#B8A965;">page-count</span><span style="--shiki-light:#99841877;--shiki-dark:#B8A96577;">&quot;</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#2F798A;--shiki-dark:#4C9A91;"> 328</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">,</span></span>
<span class="line"><span style="--shiki-light:#99841877;--shiki-dark:#B8A96577;"> &quot;</span><span style="--shiki-light:#998418;--shiki-dark:#B8A965;">description</span><span style="--shiki-light:#99841877;--shiki-dark:#B8A96577;">&quot;</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#B5695977;--shiki-dark:#C98A7D77;"> &quot;</span><span style="--shiki-light:#B56959;--shiki-dark:#C98A7D;">A Novel, often published as 1984, is a dystopian novel by English novelist George Orwell.</span><span style="--shiki-light:#A65E2B;--shiki-dark:#C99076;">\n</span><span style="--shiki-light:#B56959;--shiki-dark:#C98A7D;">It was published in June 1949 by Secker &amp; Warburg as Orwell&#39;s ninth and final book.</span><span style="--shiki-light:#A65E2B;--shiki-dark:#C99076;">\n</span><span style="--shiki-light:#B5695977;--shiki-dark:#C98A7D77;">&quot;</span></span>
<span class="line"><span style="--shiki-light:#999999;--shiki-dark:#666666;"> }</span></span>
<span class="line"><span style="--shiki-light:#999999;--shiki-dark:#666666;">}</span></span></code></pre></div><h3 id="对象列表" tabindex="-1"><a class="header-anchor" href="#对象列表"><span>对象列表</span></a></h3><p>将序列和嵌套值组合在一起，我们可以创建一个对象列表。</p><div class="language-md line-numbers-mode" data-highlighter="shiki" data-ext="md" style="--shiki-light:#393a34;--shiki-dark:#dbd7caee;--shiki-light-bg:#ffffff;--shiki-dark-bg:#121212;"><pre class="shiki shiki-themes vitesse-light vitesse-dark vp-code"><code class="language-md"><span class="line"><span style="--shiki-light:#999999;--shiki-dark:#666666;">---</span></span>
<span class="line"><span style="--shiki-light:#A0ADA0;--shiki-dark:#758575DD;"># Let&#39;s list books:</span></span>
<span class="line"><span style="--shiki-light:#999999;--shiki-dark:#666666;">-</span><span style="--shiki-light:#998418;--shiki-dark:#B8A965;"> nineteen-eighty-four</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span></span>
<span class="line"><span style="--shiki-light:#998418;--shiki-dark:#B8A965;"> author</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#B56959;--shiki-dark:#C98A7D;"> George Orwell</span></span>
<span class="line"><span style="--shiki-light:#998418;--shiki-dark:#B8A965;"> published-at</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#A65E2B;--shiki-dark:#C99076;"> 1949-06-08</span></span>
<span class="line"><span style="--shiki-light:#998418;--shiki-dark:#B8A965;"> page-count</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#2F798A;--shiki-dark:#4C9A91;"> 328</span></span>
<span class="line"><span style="--shiki-light:#998418;--shiki-dark:#B8A965;"> description</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#1E754F;--shiki-dark:#4D9375;"> |</span></span>
<span class="line"><span style="--shiki-light:#B56959;--shiki-dark:#C98A7D;"> A Novel, often published as 1984, is a dystopian novel by English novelist George Orwell.</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#999999;--shiki-dark:#666666;">-</span><span style="--shiki-light:#998418;--shiki-dark:#B8A965;"> the-hobbit</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span></span>
<span class="line"><span style="--shiki-light:#998418;--shiki-dark:#B8A965;"> author</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#B56959;--shiki-dark:#C98A7D;"> J. R. R. Tolkien</span></span>
<span class="line"><span style="--shiki-light:#998418;--shiki-dark:#B8A965;"> published-at</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#A65E2B;--shiki-dark:#C99076;"> 1937-09-21</span></span>
<span class="line"><span style="--shiki-light:#998418;--shiki-dark:#B8A965;"> page-count</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#2F798A;--shiki-dark:#4C9A91;"> 310</span></span>
<span class="line"><span style="--shiki-light:#998418;--shiki-dark:#B8A965;"> description</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#1E754F;--shiki-dark:#4D9375;"> |</span></span>
<span class="line"><span style="--shiki-light:#B56959;--shiki-dark:#C98A7D;"> The Hobbit, or There and Back Again is a children&#39;s fantasy novel by English author J. R. R. Tolkien.</span></span>
<span class="line"><span style="--shiki-light:#999999;--shiki-dark:#666666;">---</span></span></code></pre><div class="line-numbers" aria-hidden="true" style="counter-reset:line-number 0;"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><h2 id="独特特性" tabindex="-1"><a class="header-anchor" href="#独特特性"><span>独特特性</span></a></h2><p>以下是一些引起我注意的 <strong>更复杂的功能</strong> ，它们也使 YAML 与 JSON 区分开来。</p><h3 id="注释" tabindex="-1"><a class="header-anchor" href="#注释"><span>注释</span></a></h3><p>你可能已经在我前面的示例中注意到，YAML 允许以 <code>#</code> 开头的注释。</p><div class="language-md" data-highlighter="shiki" data-ext="md" style="--shiki-light:#393a34;--shiki-dark:#dbd7caee;--shiki-light-bg:#ffffff;--shiki-dark-bg:#121212;"><pre class="shiki shiki-themes vitesse-light vitesse-dark vp-code"><code class="language-md"><span class="line"><span style="--shiki-light:#999999;--shiki-dark:#666666;">---</span></span>
<span class="line"><span style="--shiki-light:#A0ADA0;--shiki-dark:#758575DD;"># 这是一个非常有用的注释。</span></span>
<span class="line"><span style="--shiki-light:#999999;--shiki-dark:#666666;">---</span></span></code></pre></div><h3 id="锚点的可重用性" tabindex="-1"><a class="header-anchor" href="#锚点的可重用性"><span>锚点的可重用性</span></a></h3><p>节点锚点用于 <strong>标记一个节点</strong> 以供将来引用，从而允许我们重复使用该节点。 要标记一个节点，我们使用 <code>&amp;</code> 字符，要引用它，我们使用 <code>*</code> ：</p><p>在下面的示例中，我们将定义一个书籍列表并重用作者数据，因此我们只需要定义一次：</p><div class="language-md line-numbers-mode" data-highlighter="shiki" data-ext="md" style="--shiki-light:#393a34;--shiki-dark:#dbd7caee;--shiki-light-bg:#ffffff;--shiki-dark-bg:#121212;"><pre class="shiki shiki-themes vitesse-light vitesse-dark vp-code"><code class="language-md"><span class="line"><span style="--shiki-light:#999999;--shiki-dark:#666666;">---</span></span>
<span class="line"><span style="--shiki-light:#A0ADA0;--shiki-dark:#758575DD;"># 作者数据：</span></span>
<span class="line"><span style="--shiki-light:#998418;--shiki-dark:#B8A965;">author</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#999999;--shiki-dark:#666666;"> &amp;</span><span style="--shiki-light:#2E8F82;--shiki-dark:#5DA994;">gOrwell</span></span>
<span class="line"><span style="--shiki-light:#998418;--shiki-dark:#B8A965;"> name</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#B56959;--shiki-dark:#C98A7D;"> George</span></span>
<span class="line"><span style="--shiki-light:#998418;--shiki-dark:#B8A965;"> last-name</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#B56959;--shiki-dark:#C98A7D;"> Orwell</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#A0ADA0;--shiki-dark:#758575DD;"># 一些书籍：</span></span>
<span class="line"><span style="--shiki-light:#998418;--shiki-dark:#B8A965;">books</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span></span>
<span class="line"><span style="--shiki-light:#999999;--shiki-dark:#666666;"> -</span><span style="--shiki-light:#2F798A;--shiki-dark:#4C9A91;"> 1984</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span></span>
<span class="line"><span style="--shiki-light:#998418;--shiki-dark:#B8A965;"> author</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#999999;--shiki-dark:#666666;"> *</span><span style="--shiki-light:#B07D48;--shiki-dark:#BD976A;">gOrwell</span></span>
<span class="line"><span style="--shiki-light:#999999;--shiki-dark:#666666;"> -</span><span style="--shiki-light:#998418;--shiki-dark:#B8A965;"> animal-farm</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span></span>
<span class="line"><span style="--shiki-light:#B56959;--shiki-dark:#C98A7D;"> author:*gOrwell</span></span>
<span class="line"><span style="--shiki-light:#999999;--shiki-dark:#666666;">---</span></span></code></pre><div class="line-numbers" aria-hidden="true" style="counter-reset:line-number 0;"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>解析为 JSON 后，上面的代码将如下所示：</p><div class="language-json line-numbers-mode" data-highlighter="shiki" data-ext="json" style="--shiki-light:#393a34;--shiki-dark:#dbd7caee;--shiki-light-bg:#ffffff;--shiki-dark-bg:#121212;"><pre class="shiki shiki-themes vitesse-light vitesse-dark vp-code"><code class="language-json"><span class="line"><span style="--shiki-light:#999999;--shiki-dark:#666666;">{</span></span>
<span class="line"><span style="--shiki-light:#99841877;--shiki-dark:#B8A96577;"> &quot;</span><span style="--shiki-light:#998418;--shiki-dark:#B8A965;">author</span><span style="--shiki-light:#99841877;--shiki-dark:#B8A96577;">&quot;</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#999999;--shiki-dark:#666666;"> {</span></span>
<span class="line"><span style="--shiki-light:#99841877;--shiki-dark:#B8A96577;"> &quot;</span><span style="--shiki-light:#998418;--shiki-dark:#B8A965;">name</span><span style="--shiki-light:#99841877;--shiki-dark:#B8A96577;">&quot;</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#B5695977;--shiki-dark:#C98A7D77;"> &quot;</span><span style="--shiki-light:#B56959;--shiki-dark:#C98A7D;">George</span><span style="--shiki-light:#B5695977;--shiki-dark:#C98A7D77;">&quot;</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">,</span></span>
<span class="line"><span style="--shiki-light:#99841877;--shiki-dark:#B8A96577;"> &quot;</span><span style="--shiki-light:#998418;--shiki-dark:#B8A965;">last-name</span><span style="--shiki-light:#99841877;--shiki-dark:#B8A96577;">&quot;</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#B5695977;--shiki-dark:#C98A7D77;"> &quot;</span><span style="--shiki-light:#B56959;--shiki-dark:#C98A7D;">Orwell</span><span style="--shiki-light:#B5695977;--shiki-dark:#C98A7D77;">&quot;</span></span>
<span class="line"><span style="--shiki-light:#999999;--shiki-dark:#666666;"> },</span></span>
<span class="line"><span style="--shiki-light:#99841877;--shiki-dark:#B8A96577;"> &quot;</span><span style="--shiki-light:#998418;--shiki-dark:#B8A965;">books</span><span style="--shiki-light:#99841877;--shiki-dark:#B8A96577;">&quot;</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#999999;--shiki-dark:#666666;"> [</span></span>
<span class="line"><span style="--shiki-light:#999999;--shiki-dark:#666666;"> {</span></span>
<span class="line"><span style="--shiki-light:#99841877;--shiki-dark:#B8A96577;"> &quot;</span><span style="--shiki-light:#998418;--shiki-dark:#B8A965;">1984</span><span style="--shiki-light:#99841877;--shiki-dark:#B8A96577;">&quot;</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#999999;--shiki-dark:#666666;"> {</span></span>
<span class="line"><span style="--shiki-light:#99841877;--shiki-dark:#B8A96577;"> &quot;</span><span style="--shiki-light:#998418;--shiki-dark:#B8A965;">author</span><span style="--shiki-light:#99841877;--shiki-dark:#B8A96577;">&quot;</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#999999;--shiki-dark:#666666;"> {</span></span>
<span class="line"><span style="--shiki-light:#99841877;--shiki-dark:#B8A96577;"> &quot;</span><span style="--shiki-light:#998418;--shiki-dark:#B8A965;">name</span><span style="--shiki-light:#99841877;--shiki-dark:#B8A96577;">&quot;</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#B5695977;--shiki-dark:#C98A7D77;"> &quot;</span><span style="--shiki-light:#B56959;--shiki-dark:#C98A7D;">George</span><span style="--shiki-light:#B5695977;--shiki-dark:#C98A7D77;">&quot;</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">,</span></span>
<span class="line"><span style="--shiki-light:#99841877;--shiki-dark:#B8A96577;"> &quot;</span><span style="--shiki-light:#998418;--shiki-dark:#B8A965;">last-name</span><span style="--shiki-light:#99841877;--shiki-dark:#B8A96577;">&quot;</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#B5695977;--shiki-dark:#C98A7D77;"> &quot;</span><span style="--shiki-light:#B56959;--shiki-dark:#C98A7D;">Orwell</span><span style="--shiki-light:#B5695977;--shiki-dark:#C98A7D77;">&quot;</span></span>
<span class="line"><span style="--shiki-light:#999999;--shiki-dark:#666666;"> }</span></span>
<span class="line"><span style="--shiki-light:#999999;--shiki-dark:#666666;"> }</span></span>
<span class="line"><span style="--shiki-light:#999999;--shiki-dark:#666666;"> },</span></span>
<span class="line"><span style="--shiki-light:#999999;--shiki-dark:#666666;"> {</span></span>
<span class="line"><span style="--shiki-light:#99841877;--shiki-dark:#B8A96577;"> &quot;</span><span style="--shiki-light:#998418;--shiki-dark:#B8A965;">animal-farm</span><span style="--shiki-light:#99841877;--shiki-dark:#B8A96577;">&quot;</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#999999;--shiki-dark:#666666;"> {</span></span>
<span class="line"><span style="--shiki-light:#99841877;--shiki-dark:#B8A96577;"> &quot;</span><span style="--shiki-light:#998418;--shiki-dark:#B8A965;">author</span><span style="--shiki-light:#99841877;--shiki-dark:#B8A96577;">&quot;</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#999999;--shiki-dark:#666666;"> {</span></span>
<span class="line"><span style="--shiki-light:#99841877;--shiki-dark:#B8A96577;"> &quot;</span><span style="--shiki-light:#998418;--shiki-dark:#B8A965;">name</span><span style="--shiki-light:#99841877;--shiki-dark:#B8A96577;">&quot;</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#B5695977;--shiki-dark:#C98A7D77;"> &quot;</span><span style="--shiki-light:#B56959;--shiki-dark:#C98A7D;">George</span><span style="--shiki-light:#B5695977;--shiki-dark:#C98A7D77;">&quot;</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">,</span></span>
<span class="line"><span style="--shiki-light:#99841877;--shiki-dark:#B8A96577;"> &quot;</span><span style="--shiki-light:#998418;--shiki-dark:#B8A965;">last-name</span><span style="--shiki-light:#99841877;--shiki-dark:#B8A96577;">&quot;</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#B5695977;--shiki-dark:#C98A7D77;"> &quot;</span><span style="--shiki-light:#B56959;--shiki-dark:#C98A7D;">Orwell</span><span style="--shiki-light:#B5695977;--shiki-dark:#C98A7D77;">&quot;</span></span>
<span class="line"><span style="--shiki-light:#999999;--shiki-dark:#666666;"> }</span></span>
<span class="line"><span style="--shiki-light:#999999;--shiki-dark:#666666;"> }</span></span>
<span class="line"><span style="--shiki-light:#999999;--shiki-dark:#666666;"> }</span></span>
<span class="line"><span style="--shiki-light:#999999;--shiki-dark:#666666;"> ]</span></span>
<span class="line"><span style="--shiki-light:#999999;--shiki-dark:#666666;">}</span></span></code></pre><div class="line-numbers" aria-hidden="true" style="counter-reset:line-number 0;"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><h3 id="带有标签的显式数据类型" tabindex="-1"><a class="header-anchor" href="#带有标签的显式数据类型"><span>带有标签的显式数据类型</span></a></h3><p>正如我们在之前的示例中所见，YAML 会自动检测我们值的类型，但我们也可以 <strong>指定所需的类型</strong> 。</p><p>我们通过在值前加上 <code>!!</code> 类型来指定它。</p><p>以下是一些示例：</p><div class="language-md line-numbers-mode" data-highlighter="shiki" data-ext="md" style="--shiki-light:#393a34;--shiki-dark:#dbd7caee;--shiki-light-bg:#ffffff;--shiki-dark-bg:#121212;"><pre class="shiki shiki-themes vitesse-light vitesse-dark vp-code"><code class="language-md"><span class="line"><span style="--shiki-light:#999999;--shiki-dark:#666666;">---</span></span>
<span class="line"><span style="--shiki-light:#A0ADA0;--shiki-dark:#758575DD;"># 以下值应为整数，无论何种情况：</span></span>
<span class="line"><span style="--shiki-light:#998418;--shiki-dark:#B8A965;">should-be-int</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#AB5959;--shiki-dark:#CB7676;"> !!int</span><span style="--shiki-light:#2F798A;--shiki-dark:#4C9A91;"> 3.2</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#A0ADA0;--shiki-dark:#758575DD;"># 解析任何值为字符串：</span></span>
<span class="line"><span style="--shiki-light:#998418;--shiki-dark:#B8A965;">should-be-string</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#AB5959;--shiki-dark:#CB7676;"> !!str</span><span style="--shiki-light:#2F798A;--shiki-dark:#4C9A91;"> 30.25</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#A0ADA0;--shiki-dark:#758575DD;"># 我需要下一个值为布尔类型：</span></span>
<span class="line"><span style="--shiki-light:#998418;--shiki-dark:#B8A965;">should-be-boolean</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#AB5959;--shiki-dark:#CB7676;"> !!bool</span><span style="--shiki-light:#1E754F;--shiki-dark:#4D9375;"> yes</span></span>
<span class="line"><span style="--shiki-light:#999999;--shiki-dark:#666666;">---</span></span></code></pre><div class="line-numbers" aria-hidden="true" style="counter-reset:line-number 0;"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>这将转换为 JSON：</p><div class="language-json" data-highlighter="shiki" data-ext="json" style="--shiki-light:#393a34;--shiki-dark:#dbd7caee;--shiki-light-bg:#ffffff;--shiki-dark-bg:#121212;"><pre class="shiki shiki-themes vitesse-light vitesse-dark vp-code"><code class="language-json"><span class="line"><span style="--shiki-light:#999999;--shiki-dark:#666666;">{</span></span>
<span class="line"><span style="--shiki-light:#99841877;--shiki-dark:#B8A96577;"> &quot;</span><span style="--shiki-light:#998418;--shiki-dark:#B8A965;">should-be-int</span><span style="--shiki-light:#99841877;--shiki-dark:#B8A96577;">&quot;</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#2F798A;--shiki-dark:#4C9A91;"> 3</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">,</span></span>
<span class="line"><span style="--shiki-light:#99841877;--shiki-dark:#B8A96577;"> &quot;</span><span style="--shiki-light:#998418;--shiki-dark:#B8A965;">should-be-string</span><span style="--shiki-light:#99841877;--shiki-dark:#B8A96577;">&quot;</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#B5695977;--shiki-dark:#C98A7D77;"> &quot;</span><span style="--shiki-light:#B56959;--shiki-dark:#C98A7D;">30.25</span><span style="--shiki-light:#B5695977;--shiki-dark:#C98A7D77;">&quot;</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">,</span></span>
<span class="line"><span style="--shiki-light:#99841877;--shiki-dark:#B8A96577;"> &quot;</span><span style="--shiki-light:#998418;--shiki-dark:#B8A965;">should-be-boolean</span><span style="--shiki-light:#99841877;--shiki-dark:#B8A96577;">&quot;</span><span style="--shiki-light:#999999;--shiki-dark:#666666;">:</span><span style="--shiki-light:#1E754F;--shiki-dark:#4D9375;"> true</span></span>
<span class="line"><span style="--shiki-light:#999999;--shiki-dark:#666666;">}</span></span></code></pre></div></div><!--[--><h2 id="doc-contributors" tabindex="-1"><a href="#doc-contributors" class="header-anchor"><span>贡献者</span></a></h2><div class="vp-contributors"><a href="https://github.com/pengzhanbo" target="_blank" rel="noreferrer" class="vp-contributor"><img src="https://avatars.githubusercontent.com/pengzhanbo?v=4" alt class="vp-contributor-avatar"><span class="vp-contributor-name">pengzhanbo</span></a></div><!--]--><!--[--><h2 id="doc-changelog" tabindex="-1"><a href="#doc-changelog" class="header-anchor"><span>更新日志</span></a></h2><div class="vp-changelog-wrapper"><div class="vp-changelog-header"><div class="vp-latest-updated"><span class="vp-changelog-icon"></span><span data-allow-mismatch>2026/3/5 07:34</span></div><div><span class="vp-changelog-menu-icon"></span><span>查看所有更新日志</span></div></div><ul class="vp-changelog-list"><!--[--><li class="vp-changelog-item-commit"><a class="vp-changelog-hash" href="https://github.com/pengzhanbo/vuepress-theme-plume/commit/9b9f8f3f77f8ec801e99e9aad8555bab2244dc63" target="_blank" rel="noreferrer"><code>9b9f8</code></a><span class="vp-changelog-divider">-</span><span class="vp-changelog-message">style: lint fix</span><span class="vp-changelog-date" data-allow-mismatch>于 <time datetime="2026-03-05T07:34:11.000Z">2026/3/5</time></span></li><li class="vp-changelog-item-commit"><a class="vp-changelog-hash" href="https://github.com/pengzhanbo/vuepress-theme-plume/commit/4d2361a7046214fe0f4e4af01831107fd00e38ad" target="_blank" rel="noreferrer"><code>4d236</code></a><span class="vp-changelog-divider">-</span><span class="vp-changelog-message">feat(theme)!: add collections support (<a href="https://github.com/pengzhanbo/vuepress-theme-plume/issues/704" target="_blank" rel="noopener noreferrer">#704</a>)</span><span class="vp-changelog-date" data-allow-mismatch>于 <time 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