//store/index.js
/**
 * Created by zhaohuan on 2017/7/13.
 */
import Vue from 'vue'
import Vuex from 'vuex';


Vue.use(Vuex);

const store = new Vuex.Store({
 state: {
  msg: '原始数据'
 },
 actions: {
  fun: function ({commit},date) {
   commit('saveAdminInfo', {list: date});
  },
 },
 mutations: {
  saveAdminInfo(state, adminInfo){
   state.msg = adminInfo.list;
  }
 }
});


export default store;

new Vue({

 el: '#app',
 router,
 store,
 template: '<App/>',
 components: { App }
});

//test1.vue
<template>
 <div>
 msg:{{msg}}

  <input type="text" v-model="checkedNames" style="border: 1px solid red">
  <button @click="fun">提交</button>
 </div>


</template>

<script>
 import {mapState,mapActions} from 'vuex';
 export default{
  data(){
    return{
     checkedNames:''
    }
  } ,
  computed: {...mapState(['msg'])},
  methods: {
//    ...mapActions(['fun'])；
//如果需要向actions里面传值就手动调用
fun(){
     this.$store.dispatch('fun',this.checkedNames);
   }
 //...mapActions(['fun']）==   this.$store.dispatch('fun');
  }
 }
</script>

<template>
 <div>
  msg:{{msg}}
 </div>
</template>

<script>
 import {mapState} from 'vuex';
 export default{
  computed: {...mapState(['msg'])}, //对应getters.技术中的msg
//  methods: {...mapActions(['fun'])}
 }
</script>