页面跳转时保存当前页面的状态

app.vue页

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

router.js

{
  path: '/',
  name: 'xxx',
  component: ()=>import('../src/views/xxx.vue'),
  meta:{
    keepAlive: true // 需要被缓存
  }
},