Next.js搭建前端环境
<h3><code>(1)create-next-app</code>就是<code>Next.js</code>的脚手架工具,</h3><p> <span style="font-size: 16px">有了它可以直接一句命令就建立好项目目录和基本结构,省去了我们很多的麻烦。</span></p>
<p><span style="font-size: 16px"> 如果你没有使用过<code>create-next-app</code>,可以先进行全局安装,安装如下:</span></p>
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<pre>npm install -g create-next-app</pre>
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<h3>(2)安装好脚手架create-next-app后,创建我们的项目:</h3>
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<pre>create-next-app 文件名</pre>
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<h3>(3)脚手架会给我们创建好项目目录和基本结构,npm run dev启动项目。看到如下图,启动成功。</h3>
<p><img src="https://img2018.cnblogs.com/i-beta/986339/201911/986339-20191129152258967-1403970363.png"></p>
<p> </p>
<h3>(4)使<code>Next</code>支持CSS文件</h3>
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<pre>npm install --save @zeit/next-css</pre>
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<p>安装好以后,在文件根目录下,新建一个<code>next.config.js</code>文件</p>
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<pre>const withCss = require('@zeit/next-css'<span style="color: rgba(0, 0, 0, 1)">)
</span><span style="color: rgba(0, 0, 255, 1)">if</span>(<span style="color: rgba(0, 0, 255, 1)">typeof</span> require !== 'undefined'<span style="color: rgba(0, 0, 0, 1)">){
require.extensions[</span>'.css']=file=><span style="color: rgba(0, 0, 0, 1)">{}
}
module.exports </span>= withCss({})</pre>
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<h3>(5)按需加载<code>Ant Design</code></h3>
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<pre>npm install --save babel-plugin-import</pre>
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<p>安装好之后,在文件根目录下,新建一个.babelrc的文件,配置代码如下:</p>
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<pre><span style="color: rgba(0, 0, 0, 1)">{
</span>"presets":["next/babel"],<span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">Next.js的总配置文件,相当于继承了它本身的所有配置</span>
"plugins":[ <span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">增加新的插件,这个插件就是让antd可以按需引入,包括CSS</span>
<span style="color: rgba(0, 0, 0, 1)"> [
</span>"import"<span style="color: rgba(0, 0, 0, 1)">,
{
</span>"libraryName":"antd"<span style="color: rgba(0, 0, 0, 1)">
}
]
]
}</span></pre>
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<p>在文件的pages目录下,新建一个<code>_app.js</code>文件,然后把CSS进行全局引入.:</p>
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<pre>import App from 'next/app'<span style="color: rgba(0, 0, 0, 1)">
import </span>'antd/dist/antd.css'<span style="color: rgba(0, 0, 0, 1)">
export </span><span style="color: rgba(0, 0, 255, 1)">default</span> App</pre>
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<p>这样就可以在其他文件里,按需引入Ant Design 的组件了,例如:</p>
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<pre><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)"> index.js </span>
import React from 'react'<span style="color: rgba(0, 0, 0, 1)">
import Head from </span>'next/head'<span style="color: rgba(0, 0, 0, 1)">
import {Button} from </span>'antd'<span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)"> 按需引入了button按钮</span>
const Home = () =><span style="color: rgba(0, 0, 0, 1)"> (
</span><div>
<Head>
<title>Home</title>
<link rel="icon" href="/favicon.ico" />
</Head>
<Button>按钮</Button>
</div>
<span style="color: rgba(0, 0, 0, 1)">)
export </span><span style="color: rgba(0, 0, 255, 1)">default</span> Home</pre>
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<p> </p><br><br>
来源:https://www.cnblogs.com/linjiu0505/p/11958095.html
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