1、首先需要装vuex
npm install vuex -d
2、新建store文件夹,新建index.js, 并引入vue、vuex,代码如下:
import Vue from 'vue' import Vuex from 'vuex' Vue.use(Vuex) const key = 'user' const store = new Vuex.Store({ state () { return { user: null } }, getters: { getStorage: function (state) { if (!state.user) { state.user = JSON.parse(localStorage.getItem(key)) } return state.user } }, mutations: { $_setStorage (state, value) { state.user = value localStorage.setItem(key, JSON.stringify(value)) }, $_removeStorage (state) { state.user = null localStorage.removeItem(key) } } }) export default store
3、在main.js中引入store,
import store from './store/index' new Vue({ el: '#app', router, store, // 引入store components: { App }, template: '<App/>' })
4、在登录组件中,如代码所示:
this.$message({ message: '登录成功', type: 'success' }) this.$store.commit('$_setStorage', {user: this.loginForm.username}) this.$router.push({name: 'Home'})
5、储存其他状态类信息,方式相同。
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