vue 缓存界面

1.配置路由

meta: {

　keepAlive: true

}

 

2.配置App.vue

<keep-alive>

  <router-view v-if="$route.meta.keepAlive"></router-view>

</keep-alive>

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

 

3.加载时执行

activated() {}

 

4.后台时执行

deactivated() {}