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Tailwind CSS

Tailwind CSS 是一个实用程序优先的 CSS 框架，与 Next.js 配合得非常好。

¥Tailwind CSS is a utility-first CSS framework that works exceptionally well with Next.js.

安装 Tailwind​

¥Installing Tailwind

安装 Tailwind CSS 包并运行 init 命令以生成 tailwind.config.js 和 postcss.config.js 文件：

¥Install the Tailwind CSS packages and run the init command to generate both the tailwind.config.js and postcss.config.js files:

npm install -D tailwindcss postcss autoprefixer
npx tailwindcss init -p

配置 Tailwind​

¥Configuring Tailwind

在 tailwind.config.js 内，添加将使用 Tailwind CSS 类名的文件的路径：

¥Inside tailwind.config.js, add paths to the files that will use Tailwind CSS class names:

/** @type {import('tailwindcss').Config} */
module.exports = {
  content: [
    './app/**/*.{js,ts,jsx,tsx,mdx}', // Note the addition of the `app` directory.
    './pages/**/*.{js,ts,jsx,tsx,mdx}',
    './components/**/*.{js,ts,jsx,tsx,mdx}',

    // Or if using `src` directory:
    './src/**/*.{js,ts,jsx,tsx,mdx}',
  ],
  theme: {
    extend: {},
  },
  plugins: [],
}

你不需要修改 postcss.config.js。

¥You do not need to modify postcss.config.js.

导入样式​

¥Importing Styles

添加 Tailwind 将用来将其生成的样式注入到应用中的 全局样式表 的 Tailwind CSS 指令，例如：

¥Add the Tailwind CSS directives that Tailwind will use to inject its generated styles to a Global Stylesheet in your application, for example:

@tailwind base;
@tailwind components;
@tailwind utilities;

在 根布局 (app/layout.tsx) 内，导入 globals.css 样式表以将样式应用到应用中的每个路由。

¥Inside the root layout (app/layout.tsx), import the globals.css stylesheet to apply the styles to every route in your application.

import type { Metadata } from 'next'

// These styles apply to every route in the application
import './globals.css'

export const metadata: Metadata = {
  title: 'Create Next App',
  description: 'Generated by create next app',
}

export default function RootLayout({
  children,
}: {
  children: React.ReactNode
}) {
  return (
    <html lang="en">
      <body>{children}</body>
    </html>
  )
}
// These styles apply to every route in the application
import './globals.css'

export const metadata = {
  title: 'Create Next App',
  description: 'Generated by create next app',
}

export default function RootLayout({ children }) {
  return (
    <html lang="en">
      <body>{children}</body>
    </html>
  )
}

使用类​

¥Using Classes

安装 Tailwind CSS 并添加全局样式后，你可以在应用中使用 Tailwind 的实用程序类。

¥After installing Tailwind CSS and adding the global styles, you can use Tailwind's utility classes in your application.

export default function Page() {
  return <h1 className="text-3xl font-bold underline">Hello, Next.js!</h1>
}
export default function Page() {
  return <h1 className="text-3xl font-bold underline">Hello, Next.js!</h1>
}

与 Turbopack 一起使用​

¥Usage with Turbopack

从 Next.js 13.1 开始，Turbopack 支持 Tailwind CSS 和 PostCSS。

¥As of Next.js 13.1, Tailwind CSS and PostCSS are supported with Turbopack.