vue 页面缓存 keep-alive

<section class='app-main'>
    <transition mode='out-in' name='fade-transform'>
//错误示范，会有问题
      <!--      <keep-alive :include='$store.state.KeepAliveIncludeArr'>-->
      <!--        <router-view />-->
      <!--      </keep-alive>-->
      <!--      <keep-alive :exclude='excludeArr'>-->
      <!--        <router-view />-->
      <!--      </keep-alive>-->
//正确如下
      <keep-alive>
        <router-view v-if='$route.meta.keepAlive' />
        <router-view v-if='!$route.meta.keepAlive' :key="'time'+new Date().getTime()" />
      </keep-alive>

    </transition>
  </section>