vuex的初始化

创建store文件夹

1.功能：放异步操作

文件：actions.js

内容：

2.功能：获取state里数据

文件：getters.js

内容：

export const singer = state => state.singer

3.功能：放置方法名

文件：mutation-types.js

内容：

export const SET_SINGER = 'SET_SINGER'

4.功能：操作state数据

文件：mutations.js

内容：

import * as types from './mutation-types'

const mutation = {

[types.SET_SINGER](state,singer){

state.singer = singer

}

}

export default mutations

5.功能：数据

文件：state.js

内容：

const state = {

singer:{}

}

export default state

6.功能：入口

文件：index.js

内容：

import Vue from 'vue'

import Vuex from 'vuex'

import * as actions from './actions'

import * as getter from './getters'

import mutations from './mutations'

import state from './state'

import createLogger from 'vuex/dist/logger'

Vue.use(Vuex)

//  开发环境时，跟踪每次state的修改

const debug = process.env.NODE_ENV !== 'production'

export default new Vuex.Store({

actions,

getters,

mutations,

state,

strict: debug,

plugin: debug ? [createLogger()] : []

})