#單個組件路由import a from '../components/a'export default { path: '/a', name: 'a', component: a}import arouter from 'xxx'export default new Router({ routes: [   arouter ]})#多個組件路由import a from '../components/a'import b from '../components/b'export default [{ path: '/a', name: 'a', component: a}, { path: '/b', name: 'b', component: b}]#arouter.jsexport default new Router({ routes: [  ...arouter//擴展運算符 ]})