react.js 是作为前端渲染的js库（注意：不是框架）。react.js用JSX开发来描述DOM结构，通过编译成virtual dom的在浏览器中进行view渲染和动态交互处理。更多了解可查阅GitHubhttps://facebook.github.io/react/
由于react.js开发过程用JSX编程，无法直接在浏览器中运行，需要编译成浏览器可识别运行的virtual dom。从JSX开发到运行，需要有一个编译的过程。目前最常用的方案是用webpack + babel进行编译打包。
demos/project/static/
.
├── build # 编译的webpack脚本
│ ├── webpack.base.config.js
│ ├── webpack.dev.config.js
│ └── webpack.prod.config.js
├── output # 输出文件
│ ├── asset
│ ├── dist # react.js编译后的文件目录
│ └── ...
└── src
├── apps # 页面react.js应用
│ ├── admin.jsx
│ ├── error.jsx
│ ├── index.jsx
│ └── work.jsx
├── components # jsx 模块、组件
│ ├── footer-common.jsx
│ ├── form-group.jsx
│ ├── header-nav.jsx
│ ├── sign-in-form.jsx
│ └── sign-up-form.jsx
└── pages # react.js 执行render文件目录
├── admin.js
├── error.js
├── index.js
└── work.js
...static/src/apps/index.jsx 文件
import React from 'react'
import ReactDOM from 'react-dom'
import { Layout, Menu, Breadcrumb } from 'antd'
import HeadeNav from './../components/header-nav.jsx'
import FooterCommon from './../components/footer-common.jsx'
import 'antd/lib/layout/style/css'
const { Header, Content, Footer } = Layout
class App extends React.Component {
render() {
return (
<Layout className="layout">
<HeadeNav/>
<Content style={{ padding: '0 50px' }}>
<Breadcrumb style={{ margin: '12px 0' }}>
<Breadcrumb.Item>Home</Breadcrumb.Item>
</Breadcrumb>
<div style={{ background: '#fff', padding: 24, minHeight: 280 }}>
<p>index</p>
</div>
</Content>
<FooterCommon />
</Layout>
)
}
}
export default Appstatic/src/pages/index.js 文件
import React from 'react'
import ReactDOM from 'react-dom'
import App from './../apps/index.jsx'
ReactDOM.render( <App />,
document.getElementById("app"))<!DOCTYPE html>
<html>
<head>
<title><%= title %></title>
<link rel="stylesheet" href="/output/dist/css/index.css">
</head>
<body>
<div id="app"></div>
<script src="/output/dist/js/vendor.js"></script>
<script src="/output/dist/js/index.js"></script>
</body>
</html>