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浅谈vuex的基本用法和mapaction传值问题

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ÓÃÒ»¸ö¼òµ¥µÄÀý×ÓÀ´ÃèÊöһϻù±¾µÄÓ÷¨:

µÚÒ»²½£ºnpm install vuex ¨Csave-dev

µÚ¶þ²½£ºÔÚĿ¼Öд´½¨storeĿ¼ÅäÖùÜÀí״̬

//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: 'ԭʼÊý¾Ý'
 },
 actions: {
  fun: function ({commit},date) {
   commit('saveAdminInfo', {list: date});
  },
 },
 mutations: {
  saveAdminInfo(state, adminInfo){
   state.msg = adminInfo.list;
  }
 }
});


export default store;

µÚÈý²½£ºÔÚmain.jsÖÐÒýÈëstore

new Vue({

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

µÚËIJ¿£º±àд·ÓÉÒ³Ãæ

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

  <input type="text" v-model="checkedNames" style="border: 1px solid red">
  <button @click="fun">Ìá½»</button>
 </div>


</template>

<script>
 import {mapState,mapActions} from 'vuex';
 export default{
  data(){
    return{
     checkedNames:''
    }
  } ,
  computed: {...mapState(['msg'])},
  methods: {
//    ...mapActions(['fun'])£»
//Èç¹ûÐèÒªÏòactionsÀïÃæ´«Öµ¾ÍÊÖ¶¯µ÷ÓÃ
fun(){
     this.$store.dispatch('fun',this.checkedNames);
   }
 //...mapActions(['fun']£©==   this.$store.dispatch('fun');
  }
 }
</script>

test2.vue

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

<script>
 import {mapState} from 'vuex';
 export default{
  computed: {...mapState(['msg'])}, //¶ÔÓ¦getters.¼¼ÊõÖеÄmsg
//  methods: {...mapActions(['fun'])}
 }
</script>

ÐÞ¸Ä֮ǰ£º

test1

test2

ÒÔÉÏÕâƪdz̸vuexµÄ»ù±¾Ó÷¨ºÍmapaction´«ÖµÎÊÌâ¾ÍÊÇС±à·ÖÏí¸ø´ó¼ÒµÄÈ«²¿ÄÚÈÝÁË£¬Ï£ÍûÄܸø´ó¼ÒÒ»¸ö²Î¿¼£¬Ò²Ï£Íû´ó¼Ò¶à¶àÖ§³Ö½Å±¾Ö®¼Ò¡£

.....

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