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---
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title: 开始使用
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toc: true
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---
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<h1 id="introduce" lay-toc="{title: '简介'}">开始使用</h1>
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> Layui 是一套免费的开源 Web UI 组件库，采用自身轻量级模块化规范，遵循原生态的 HTML/CSS/JavaScript 开发模式，极易上手，拿来即用。其风格简约轻盈，而内在雅致丰盈，甚至包括文档在内的每一处细节都经过精心雕琢，非常适合网页界面的快速构建。Layui 区别于一众主流的前端框架，却并非逆道而行，而是信奉返璞归真之道。确切地说，它更多是面向于追求简单的务实主义者，即无需涉足各类构建工具，只需面向浏览器本身，便可将页面所需呈现的元素与交互信手拈来。
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<p style="font-size: 68px; text-align: center; color: #16baaa;">
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Layui
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</p>
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<table class="layui-table">
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<tbody>
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<tr>
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<td>谐音：类 UI</td>
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<td>用途：用于更简单快速地构建网页界面</td>
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</tr>
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<tr>
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<td>环境：全部主流 Web 浏览器（IE8 以下除外）</td>
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<td>特性：原生态开发 / 轻量级模块化 / 外简内丰 / 开箱即用</td>
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</tr>
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</tbody>
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</table>
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<h2 id="install" lay-toc="">下载引用</h2>
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您可以通过以下任意一种方式获得 Layui :
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### 🌕 官网下载
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您可以在 [官网首页](/) 或 [更新日志](./versions.html) 页面下载到 Layui，它经过了自动化构建，更适合用于生产环境。目录结构如下：
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```
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layui/
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├─css
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│ └─layui.css # 核心样式库
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└─layui.js # 核心模块库
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```
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### 🌕 Git 下载
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> 您也可以通过 [GitHub](https://github.com/layui/layui/releases) 或 [Gitee](https://gitee.com/layui/layui/releases) 的 releases 列表下载，或直接下载整个仓库。
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<p>
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<iframe src="//ghbtns.com/github-btn.html?user=layui&repo=layui&type=watch&count=true&size=large" allowtransparency="true" frameborder="0" scrolling="0" width="156px" height="30px"></iframe>
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<iframe src="//ghbtns.com/github-btn.html?user=layui&repo=layui&type=fork&count=true&size=large" allowtransparency="true" frameborder="0" scrolling="0" width="156px" height="30px"></iframe>
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</p>
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<div class="layui-btn-container">
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<a class="layui-btn layui-btn-normal" href="https://github.com/layui/layui/" target="_blank" rel="nofollow" style="background-color: #24292E; color: #fff;">GitHub</a>
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<a class="layui-btn layui-btn-normal" href="https://gitee.com/layui/layui/" target="_blank" rel="nofollow" style="background-color: #C71D23; color: #fff;">Gitee</a>
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</div>
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### 🌕 npm 下载
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```
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npm i layui
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```
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### 🌕 第三方 CDN 方式引入：
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> 以下均为知名第三方免费开放的公共资源 CDN，每期版本通过 NPM / GitHub 自动同步。
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<div class="layui-btn-container">
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<a class="layui-btn layui-btn-primary layui-border-black" href="https://unpkg.com/browse/layui/dist/" target="_blank" rel="nofollow">UNPKG</a>
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<a class="layui-btn layui-btn-primary" style="border-color: #FF6934; color: #FF6934;" href="https://cdnjs.com/libraries/layui" target="_blank" rel="nofollow">CDNJS</a>
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<a class="layui-btn layui-btn-primary" style="border-color: #E64E3D; color: #E64E3D;" href="https://www.jsdelivr.com/package/npm/layui" target="_blank" rel="nofollow">JSDELIVR</a>
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</div>
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```
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<!-- 引入 layui.css -->
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<link href="//unpkg.com/layui@{{= d.layui[2].v }}/dist/css/layui.css" rel="stylesheet">
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```
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```
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<!-- 引入 layui.js -->
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<script src="//unpkg.com/layui@{{= d.layui[2].v }}/dist/layui.js"></script>
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```
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<h2 id="quickstart" lay-toc="{}">快速上手</h2>
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现在，让我们以一个最简单的示例开始入门：
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<pre class="layui-code" lay-options="{preview: 'iframe', previewStyle: 'height: 210px;', copy: true, tools: []}">
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<textarea>
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<title>Quick Start - Layui</title>
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<link href="{{= d.layui[2].cdn.css }}" rel="stylesheet">
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</head>
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<body>
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<!-- HTML Content -->
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<script src="{{= d.layui[2].cdn.js }}"></script>
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<script>
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// Usage
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layui.use(function(){
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var layer = layui.layer;
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// Welcome
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layer.msg('Hello World', {icon: 6});
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});
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</script>
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</body>
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</html>
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</textarea>
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</pre>
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点击上方 `Preview` 标签可进行效果预览。
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<h3 id="help">其他帮助</h3>
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- <a href="https://layui.dev/playground/2/">在线测试</a>
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- <a href="https://github.com/Sight-wcg/layui-theme-dark" rel="nofollow" target="_blank">深色主题</a> (社区贡献)
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## 初识寄语
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> 愿 Layui 从此成为您得心应手的 Web 界面解决方案，化作您方寸屏幕前的亿万字节！
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