Vue中全局导入和按需导入的区别

export {router} //按需导出
import {router} from './router' //按需导入路由模块

export default //全局导出store模块
store 
import store from './store/store' //全局导入Vuex模块

一：按需导入和按需导出

 二：全局导出Vuex模块，和全局导入Vuex模块