TraceabilityAPP/store/index.js

import {
	createStore
} from 'vuex'
const store = createStore({
	state: {
		userInfo: uni.getStorageSync("SY_USER") || null,
		tabbrIndex: 0

	},

	mutations: {
		saveUserInfo(state, info) {
			state.userInfo = info
			uni.setStorageSync("SY_USER", info)
		},
		changeTabbar(state, index) {
			state.tabbrIndex = index
		}
	},
	actions: {
		saveUserInfo({
			commit
		}, info) {

			commit('saveUserInfo', info)

		},
		changeTabbar({
			commit
		}, info) {
			commit('changeTabbar', info)

		}
	}
})
export default store