vue—缓存

 {
    path: '/',
    name: 'Home',
    component: Home,
	meta : {keep : true}
  },

<keep-alive>
	<router-view class="page" v-if="$route.meta.keep"></router-view>
</keep-alive>
	<router-view class="page" v-if="!$route.meta.keep"></router-view>