npm install vuex --save-dev

import store from './store/index'

new Vue({
 el: '#app',
 router,
 store,
 template: '<App/>',
 render: (createElement) => createElement(App)
})

import axios from 'axios'

export function fetch(url, params) {
  return new Promise((resolve, reject) => {
    axios.post(url, params)
      .then(response => {
         alert('Api--ok');
        resolve(response.data);
      })
      .catch((error) => {
       console.log(error)
        reject(error)
      })
  })
}

export default {
 // 获取我的页面的后台数据
 mineBaseMsgApi() {
   alert('进入api.js')
  return fetch('/api/getBoardList');
 }
}

import Vue from 'vue'
import Vuex from 'vuex'

import mine from './modules/mine';

Vue.use(Vuex);

export default new Vuex.Store({
 modules: {
  mine
 }
});

created() {
  this.$store.dispatch('getMineBaseApi');
 }

import api from './../../fetch/api';
import * as types from './../types.js';

const state = {
 getMineBaseMsg: {
  errno: 1,
  msg: {}
 }
}

const actions = {
 getMineBaseApi({commit}) {
  alert('进入action');
  api.mineBaseMsgApi()
  .then(res => {
    alert('action中调用封装后的axios成功');
    console.log('action中调用封装后的axios成功')
    commit(types.GET_BASE_API, res)
  })
 }
}

const getters = {
 getMineBaseMsg: state => state.getMineBaseMsg
}

const mutations = {
 [types.GET_BASE_API](state, res) {
  alert('进入mutation');
  state.getMineBaseMsg = { ...state.getMineBaseMsg, msg: res.data.msg }
  alert('进入mutations修改state成功');
 }
}

export default {
 state,
 actions,
 getters,
 mutations
}

import { mapGetters } from 'vuex';

export default {
 ．．．
 computed: {
  ...mapGetters([
   'getMineBaseMsg'
  ])
 }，
 ．．．   
｝