index.js

/**
 * Reducer 数据处理
 */

import { type } from './../action'
const initialState = {
  menuName: '首页'
}


export default (state = initialState, action) => {
  switch (action) {
    case type.SWITCCH_MENU:
      return {
        ...state,
        menuName:action.menuName
      } 
    default:
      return state
  }
}