数据持久化

cnpm i redux-persist -S

<Provider store={store}>
    <PersistGate loading={null} persistor={persistStore(store)}>
      <Router />
    </PersistGate>
  </Provider>

import {createStore, compose, combineReducers,applyMiddleware} from 'redux'
import promise from 'redux-promise'
import thunk from 'redux-thunk'
import {persistReducer} from 'redux-persist' // 合并 reduce
import storage from 'redux-persist/lib/storage' // 创建 store
// 多层对象 做数据持久化
import autoMergeLevel2 from 'redux-persist/lib/stateReconciler/autoMergeLevel2'
import home from '@/reducer/home'

const rootPersistConfig = {
  key: 'root',
  storage,
  stateReconciler: autoMergeLevel2,
  // 白名单 [reducer 目录内的 reduce 文件名]
  whitelist: ['home'],  
}

const composeEnhancers = window.__REDUX_DEVTOOLS_EXTENSION_COMPOSE__ || compose// 时时观察 redux
 
const myPersistReducer = persistReducer(
  rootPersistConfig,
  combineReducers({home,}
))

// 创建 store createStore(reduce)
const store = createStore(
  myPersistReducer,
  composeEnhancers(applyMiddleware(promise,thunk))
);

export {store}