Redux中间件Redux-thunk的配置

当做固定写法吧

 截图里少一个括号，已代码为主

import {createStore,applyMiddleware,compose} from 'redux'
import thunk from 'redux-thunk'
import reducer from './reducer'

const composeEnhancers = window.__REDUX_DEVTOOLS_EXTENSION_COMPOSE__?
      window.__REDUX_DEVTOOLS_EXTENSION_COMPOSE__({}):compose

const enhancer = composeEnhancers(applyMiddleware(thunk))      
// const store = createStore(reducer, window.__REDUX_DEVTOOLS_EXTENSION__ && window.__REDUX_DEVTOOLS_EXTENSION__())
const store = createStore(reducer, enhancer)
export default store