参考vuex文档：State | Vuex

npm  i  vuex@4.1.0  vuex-persistedstate@4.1.0  mp-storage@1.0.3

/store/userInfo.js

const initState = {
	token: '',
}

export default {
	namespaced: true,
	state: {
		...initState,
		apptype: "H5",
	},
	mutations: {
		setToken(state, token) {
			state.token = token;
		},
		setApptype(state, apptype) {
			state.apptype = apptype;
		},
		resetStates(state) {
			Object.assign(state, initState)
		},
	},
	actions: {
        // 恢复state的原始值
		resetStates: function(context) {
			context.commit('resetStates');
		}
	},
	getters: {
		token: state => state.token,
	}
}

/store/index.js

paths：指定的模块存储在本地

import createPersistedState from 'vuex-persistedstate'
import {
	localStorage
} from 'mp-storage'

import userInfo from './userInfo'
import {
	createStore
} from 'vuex'
export default createStore({
	...userInfo,
	plugins: [createPersistedState({
		storage: localStorage,
		paths: ['token', ]
	})]
})

main.js

import store from '@/store'

export function createApp() {
	const app = createSSRApp(App)
	app.use(store).use(uviewPlus).use(i18n).mixin(tools).mixin(share)

	return {
		app
	}
}

页面代码

onLoad() {
    this.$store.commit("setToken", "123")
},

 效果图