store.js

import Vue from 'vue';
import Vuex from 'vuex';
Vue.use(Vuex);
//创建VueX对象
const store = new Vuex.Store({
    state: {
        //用户信息
        vx_userInfo: {}
    },
    getters: {
        vx_userInfo: (state) => state.vx_userInfo
    },
    mutations: {
        vx_userInfo(state, userInfo) {
            // 变更状态
            state.userInfo = userInfo;
        }
    }
});

export default store;