Vue實現組件信息的緩存

<keep-alive>
    <router-view></router-view>
</keep-alive>

<!-- 這里是需要keepalive的 -->
<keep-alive>
    <router-view v-if="$route.meta.keepAlive"></router-view>
</keep-alive>

<!-- 這里不會被keepalive -->
<router-view v-if="!$route.meta.keepAlive"></router-view>

{
  path: '',
  name: '',
  component: ,
  meta: {keepAlive: true} // 這個是需要keepalive的
},
{
  path: '',
  name: '',
  component: ,
  meta: {keepAlive: false} // 這是不會被keepalive的
}

如果緩存的組件想要清空數據或者執行初始化方法，在加載組件的時候調用activated鈎子函數，如下：

activated: function () {
    this.data = '';
}