index.js

import React from 'react';
import ReactDOM from 'react-dom';
import './style/index.scss';
import 'react-mdl/extra/material.css';
import 'react-mdl/extra/material.js';
import registerServiceWorker from './registerServiceWorker';

import App from './components/App';

import reducer from './reducers';
import { createStore } from 'redux';
import { Provider } from 'react-redux';

require('codemirror/lib/codemirror.css');
require('codemirror/addon/fold/foldgutter.css');
require('hypermd/hypermd/mode/hypermd.css');
require('hypermd/hypermd/theme/hypermd-light.css');
require('marked/marked.min.js');
/*全局状态绑定一个reducer，用来更新状态*/
const store = createStore(reducer);
ReactDOM.render(
  <Provider store={store}>
    <App />
  </Provider>,
  document.getElementById('root')
);

registerServiceWorker();