vue中用到keep-alive部分页面缓存,怎么和transition综合使用?

不用部分缓存时是这样的:

<transition  :name="direction" mode="out-in">
    <keep-alive>
          <router-view></router-view>
    </keep-alive>
</transition>

现在变成如下这样,那么transition怎么加上去,不会有问题?求指教大神!

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

http://www.jb51.net/article/122575.htm
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